[Group.of.nepali.translators] [Bug 1758428] Re: Subprocesses of StartProgramInGuest fail when creating temporary files

[Launchpad Bug Tracker]

This bug was fixed in the package open-vm-tools - 2:10.2.0-3ubuntu3

---
open-vm-tools (2:10.2.0-3ubuntu3) bionic; urgency=medium

  * Disable PrivateTmp for the open-vm-tools.service as it triggers issues
when triggering processes that need tmp through VMOMI API (LP: #1758428)

 -- Christian Ehrhardt   Thu, 19 Apr
2018 11:23:58 +0200

** Changed in: open-vm-tools (Ubuntu Bionic)
   Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1758428

Title:
  Subprocesses of StartProgramInGuest fail when creating temporary files

Status in open-vm-tools package in Ubuntu:
  Fix Released
Status in open-vm-tools source package in Xenial:
  Triaged
Status in open-vm-tools source package in Bionic:
  Fix Released

Bug description:
  Using open-vm-tools/xenial,now 2:10.2.0-3ubuntu0.16.04.1~ppa6 amd64
  [installed], subprocesses started by vim.vm.guest.ProcessManager fail
  to create temporary files.

  Summary:
  * When running subprocesss through open-vm-tools 2:10.2.0-3ubuntu0.16.04.1 
(via vim.vm.guest.ProcessManager), subprocesses crash while trying to write 
temporary files.
  * Subprocesses run correctly when executed directly from the shell
  * Subprocesses execute correctly from open-vm-tools 
open-vm-tools-10.2.0-7253323, when compiled from source

  Steps to reproduce:
  1. Install open-vm-tools/xenial 2:10.2.0-3ubuntu0.16.04.1~ppa6 on a VMWare 
ESX 6.5 16.04 guest
  2. Using VMOMI API, start a child process that relies on temporary files (eg. 
`apt-get update`)
  3. Note the error code on the child process (eg. 100)
  4. Run process directly from guest shell (eg. `apt-get update`)
  5. Note the successful return code on the child process (1)

  Logs from vmtoolsd on guest:

  
  Mar 23 19:32:32 kcp vmtoolsd[660]: Hit:1 https://apt.dockerproject.org/repo 
ubuntu-xenial InRelease
  Mar 23 19:32:32 kcp vmtoolsd[660]: Couldn't create tempfiles for splitting up 
/var/lib/apt/lists/apt.dockerproject.org_repo_dists_ubuntu-xenial_InReleaseErr:1
 https://apt.dockerproject.org/repo ubuntu-xenial InRelease
  Mar 23 19:32:32 kcp vmtoolsd[660]:   Could not execute 'apt-key' to verify 
signature (is gnupg installed?)

  -

  Psuedo code using pyVMOMI API to start a child process:
  
  #!/usr/bin/python
  import re
  import time
  from pyVim import connect
  from pyVmomi import vim, vmodl

  service_instance = connect.SmartConnectNoSSL(host=,
  user=,
  pwd=,
  port=443)
  content = service_instance.RetrieveContent()

  vm = content.searchIndex.FindByIp(datacenter=None,
ip=,
vmSearch=True)

  creds = vim.vm.guest.NamePasswordAuthentication(
  username="root", password=
  )

  pm = content.guestOperationsManager.processManager
  ps = vim.vm.guest.ProcessManager.ProgramSpec(
 programPath="/usr/bin/apt-get",
 arguments="update"
  )
  res = pm.StartProgramInGuest(vm, creds, ps)
  pid_exitcode = pm.ListProcessesInGuest(vm, creds,
 [res]).pop().exitCode
  while re.match('[^0-9]+', str(pid_exitcode)):
  time.sleep(5)
  pid_exitcode = pm.ListProcessesInGuest(vm, creds,
 [res]).pop().exitCode
  if pid_exitcode == 0:
  print("Program %d completed with success" % res)
  break
  # Look for non-zero code to fail
  elif re.match('[1-9]+', str(pid_exitcode)):
  print("ERROR: Program apt-get completed with Failure %s" % 
pid_exitcode)

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[Group.of.nepali.translators] [Bug 1765499] [NEW] linux-hwe-edge: -proposed tracker

[Thadeu Lima de Souza Cascardo]

Public bug reported:

This bug is for tracking the  upload package. This
bug will contain status and testing results related to that upload.

For an explanation of the tasks and the associated workflow see: 
https://wiki.ubuntu.com/Kernel/kernel-sru-workflow
-- swm properties --
kernel-stable-master-bug: 1765490

** Affects: kernel-sru-workflow
 Importance: Medium
 Status: In Progress

** Affects: kernel-sru-workflow/automated-testing
 Importance: Medium
 Assignee: Canonical Kernel Team (canonical-kernel-team)
 Status: New

** Affects: kernel-sru-workflow/certification-testing
 Importance: Medium
 Assignee: Canonical Hardware Certification (canonical-hw-cert)
 Status: New

** Affects: kernel-sru-workflow/prepare-package
 Importance: Medium
 Assignee: Canonical Kernel Team (canonical-kernel-team)
 Status: New

** Affects: kernel-sru-workflow/prepare-package-meta
 Importance: Medium
 Assignee: Canonical Kernel Team (canonical-kernel-team)
 Status: New

** Affects: kernel-sru-workflow/prepare-package-signed
 Importance: Medium
 Assignee: Canonical Kernel Team (canonical-kernel-team)
 Status: New

** Affects: kernel-sru-workflow/promote-to-proposed
 Importance: Medium
 Assignee: Ubuntu Stable Release Updates Team (ubuntu-sru)
 Status: New

** Affects: kernel-sru-workflow/promote-to-security
 Importance: Medium
 Assignee: Ubuntu Stable Release Updates Team (ubuntu-sru)
 Status: New

** Affects: kernel-sru-workflow/promote-to-updates
 Importance: Medium
 Assignee: Ubuntu Stable Release Updates Team (ubuntu-sru)
 Status: New

** Affects: kernel-sru-workflow/regression-testing
 Importance: Medium
 Assignee: Canonical Kernel Team (canonical-kernel-team)
 Status: New

** Affects: kernel-sru-workflow/security-signoff
 Importance: Medium
 Assignee: Canonical Security Team (canonical-security)
 Status: New

** Affects: kernel-sru-workflow/upload-to-ppa
 Importance: Medium
 Assignee: Canonical Kernel Team (canonical-kernel-team)
 Status: New

** Affects: kernel-sru-workflow/verification-testing
 Importance: Medium
 Assignee: Canonical Kernel Team (canonical-kernel-team)
 Status: New

** Affects: linux-hwe-edge (Ubuntu)
 Importance: Undecided
 Status: Invalid

** Affects: linux-hwe-edge (Ubuntu Xenial)
 Importance: Medium
 Status: Confirmed


** Tags: kernel-release-tracking-bug kernel-release-tracking-bug-live 
kernel-sru-backport-of-1765490 kernel-sru-cycle-d2018-04-19 xenial

** Tags added: kernel-release-tracking-bug

** Tags added: kernel-release-tracking-bug-live

** Also affects: linux-hwe-edge (Ubuntu Xenial)
   Importance: Undecided
   Status: New

** Tags added: xenial

** Changed in: linux-hwe-edge (Ubuntu Xenial)
   Status: New => Confirmed

** Also affects: kernel-sru-workflow/automated-testing
   Importance: Undecided
   Status: New

** Also affects: kernel-sru-workflow/certification-testing
   Importance: Undecided
   Status: New

** Also affects: kernel-sru-workflow/prepare-package
   Importance: Undecided
   Status: New

** Also affects: kernel-sru-workflow/prepare-package-meta
   Importance: Undecided
   Status: New

** Also affects: kernel-sru-workflow/prepare-package-signed
   Importance: Undecided
   Status: New

** Also affects: kernel-sru-workflow/promote-to-proposed
   Importance: Undecided
   Status: New

** Also affects: kernel-sru-workflow/promote-to-security
   Importance: Undecided
   Status: New

** Also affects: kernel-sru-workflow/promote-to-updates
   Importance: Undecided
   Status: New

** Also affects: kernel-sru-workflow/regression-testing
   Importance: Undecided
   Status: New

** Also affects: kernel-sru-workflow/security-signoff
   Importance: Undecided
   Status: New

** Also affects: kernel-sru-workflow/upload-to-ppa
   Importance: Undecided
   Status: New

** Also affects: kernel-sru-workflow/verification-testing
   Importance: Undecided
   Status: New

** Changed in: kernel-sru-workflow/automated-testing
   Importance: Undecided => Medium

** Changed in: kernel-sru-workflow/automated-testing
 Assignee: (unassigned) => Canonical Kernel Team (canonical-kernel-team)

** Changed in: kernel-sru-workflow/certification-testing
   Importance: Undecided => Medium

** Changed in: kernel-sru-workflow/certification-testing
 Assignee: (unassigned) => Canonical Hardware Certification 
(canonical-hw-cert)

** Changed in: kernel-sru-workflow/prepare-package
   Importance: Undecided => Medium

** Changed in: kernel-sru-workflow/prepare-package
 Assignee: (unassigned) => Canonical Kernel Team (canonical-kernel-team)

** Changed in: kernel-sru-workflow/prepare-package-meta
   Importance: Undecided => Medium

** Changed in: kernel-sru-workflow/prepare-package-meta
 Assignee: (unassigned) => Canonical 

[Group.of.nepali.translators] [Bug 1763934] Re: [SRU] New stable micro release 2.41

[Launchpad Bug Tracker]

This bug was fixed in the package snapcraft - 2.41

---
snapcraft (2.41) xenial; urgency=medium

  [ Sergio Schvezov ]
  * package: ensure all relevant files are in for sdist (#2060)
  * errors: enable sending tracebacks to sentry (#1961)
  * errors: improve the UX for sending error data (#2024)
  * errors: remove stack data when sending to sentry (#2036)
  * errors: feature flag error reports (#2066)
  * packaging: simplify snapcraft.yaml (#2062)
  * many: update the yaml loading logic (#2065)
  * extractors: support for setup.py (#2070)
  * lifecycle: handle missing version correctly (#2072)
  * python plugin: do not invoke wheel install if empty (#2077)
  * patches: improve ctypes patch for python 3.5
  * ci: enable subset of integration tests on bionic
  * errors: skip the sentry test if raven is no installed (#2075)
  * New upstream release (LP: #1763934)

  [ Kyle Fazzari ]
  * many: add snapcraftctl command for scriptlets (#2002)
  * kernel plugin: add kmod as build-package (#2041)
  * cli: support exporting login to stdout (#2043)
  * many: add override-pull scriptlet (#2045)
  * pluginhandler: organize in build instead of stage (#2047)
  * tests: extract sources suite from general suite (#2054)
  * many: add override-stage scriptlet (#2049)
  * tests: extract lifecycle suite from general suite (#2057)
  * many: add override-prime scriptlet (#2052)
  * elf: use snapped strip (#2051)
  * storeapi: properly handle lacking permission for channel (#2050)
  * many: add snapcraftctl set-version (#2063)
  * storeapi: handle 500 error response when releasing snap (#2059)
  * states: track override scriptlets (#2068)
  * many: add snapcraftctl set-grade (#2067)
  * meta: validate extracted and scriptlet metadata (#2073)

  [ Christian Dywan ]
  * options: introduce Project and ProjectInfo (#1995)
  * lxd: friendly error with suggestions if network is broken (#1930)
  * lxd: merge existing image info contents when using containerbuilds (#1997)
  * lxd: specify arch in lxc image list command (#2046)
  * meta: implement passthrough of properties to snap.yaml (#2053)

  [ Guilhem Lettron ]
  * nodejs plugin: add option for setting npm flags (#2038)

  [ Bjorn Tillenius ]
  * python plugin: install python-distutils when run on bionic (#2058)

  [ Rakesh Singh ]
  * dotnet plugin: add support enable configurable runtime version for
.NET Core applications (#1911)

  [ Colin Watson ]
  * storeapi: fix formatting of some store errors (#2056)

 -- Sergio Schvezov   Sat, 14 Apr 2018
12:13:35 +

** Changed in: snapcraft (Ubuntu Xenial)
   Status: Fix Committed => Fix Released

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Title:
   [SRU] New stable micro release 2.41

Status in snapcraft package in Ubuntu:
  Fix Released
Status in snapcraft source package in Xenial:
  Fix Released
Status in snapcraft source package in Artful:
  Fix Released
Status in snapcraft source package in Bionic:
  Fix Released

Bug description:
  This is an SRU bug to release 2.41 of snapcraft which follows the
  guidelines defined in the wiki over at
  https://wiki.ubuntu.com/SnapcraftUpdates

  The list of bugs and features in the current release are defined at
  https://github.com/snapcore/snapcraft/milestone/18?closed=1

  The last release was 2.40, since this release also includes changes
  from 2.40.1 which can be seen on
  https://github.com/snapcore/snapcraft/milestone/17?closed=1

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/snapcraft/+bug/1763934/+subscriptions

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[Group.of.nepali.translators] [Bug 1763934] Re: [SRU] New stable micro release 2.41

[Launchpad Bug Tracker]

This bug was fixed in the package snapcraft - 2.41+17.10

---
snapcraft (2.41+17.10) artful; urgency=medium

  [ Sergio Schvezov ]
  * package: ensure all relevant files are in for sdist (#2060)
  * errors: enable sending tracebacks to sentry (#1961)
  * errors: improve the UX for sending error data (#2024)
  * errors: remove stack data when sending to sentry (#2036)
  * errors: feature flag error reports (#2066)
  * packaging: simplify snapcraft.yaml (#2062)
  * many: update the yaml loading logic (#2065)
  * extractors: support for setup.py (#2070)
  * lifecycle: handle missing version correctly (#2072)
  * python plugin: do not invoke wheel install if empty (#2077)
  * patches: improve ctypes patch for python 3.5
  * ci: enable subset of integration tests on bionic
  * errors: skip the sentry test if raven is no installed (#2075)
  * New upstream release (LP: #1763934)

  [ Kyle Fazzari ]
  * many: add snapcraftctl command for scriptlets (#2002)
  * kernel plugin: add kmod as build-package (#2041)
  * cli: support exporting login to stdout (#2043)
  * many: add override-pull scriptlet (#2045)
  * pluginhandler: organize in build instead of stage (#2047)
  * tests: extract sources suite from general suite (#2054)
  * many: add override-stage scriptlet (#2049)
  * tests: extract lifecycle suite from general suite (#2057)
  * many: add override-prime scriptlet (#2052)
  * elf: use snapped strip (#2051)
  * storeapi: properly handle lacking permission for channel (#2050)
  * many: add snapcraftctl set-version (#2063)
  * storeapi: handle 500 error response when releasing snap (#2059)
  * states: track override scriptlets (#2068)
  * many: add snapcraftctl set-grade (#2067)
  * meta: validate extracted and scriptlet metadata (#2073)

  [ Christian Dywan ]
  * options: introduce Project and ProjectInfo (#1995)
  * lxd: friendly error with suggestions if network is broken (#1930)
  * lxd: merge existing image info contents when using containerbuilds (#1997)
  * lxd: specify arch in lxc image list command (#2046)
  * meta: implement passthrough of properties to snap.yaml (#2053)

  [ Guilhem Lettron ]
  * nodejs plugin: add option for setting npm flags (#2038)

  [ Bjorn Tillenius ]
  * python plugin: install python-distutils when run on bionic (#2058)

  [ Rakesh Singh ]
  * dotnet plugin: add support enable configurable runtime version for
.NET Core applications (#1911)

  [ Colin Watson ]
  * storeapi: fix formatting of some store errors (#2056)

 -- Sergio Schvezov   Sat, 14 Apr 2018
12:13:35 +

** Changed in: snapcraft (Ubuntu Artful)
   Status: Fix Committed => Fix Released

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Title:
   [SRU] New stable micro release 2.41

Status in snapcraft package in Ubuntu:
  Fix Released
Status in snapcraft source package in Xenial:
  Fix Released
Status in snapcraft source package in Artful:
  Fix Released
Status in snapcraft source package in Bionic:
  Fix Released

Bug description:
  This is an SRU bug to release 2.41 of snapcraft which follows the
  guidelines defined in the wiki over at
  https://wiki.ubuntu.com/SnapcraftUpdates

  The list of bugs and features in the current release are defined at
  https://github.com/snapcore/snapcraft/milestone/18?closed=1

  The last release was 2.40, since this release also includes changes
  from 2.40.1 which can be seen on
  https://github.com/snapcore/snapcraft/milestone/17?closed=1

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/snapcraft/+bug/1763934/+subscriptions

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[Group.of.nepali.translators] [Bug 1761444] Re: linux-euclid: 4.4.0-9026.28 -proposed tracker

[Taihsiang Ho]

Hardware Certification have completed testing this -proposed kernel. No
regressions were observed, results are available here:
http://people.canonical.com/~hwcert/sru-testing/euclid/4.4.0-9026.28
/euclid-proposed-published.html

** Tags added: certification-testing-passed

** Changed in: kernel-sru-workflow/certification-testing
   Status: In Progress => Fix Released

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Title:
  linux-euclid: 4.4.0-9026.28 -proposed tracker

Status in Kernel SRU Workflow:
  In Progress
Status in Kernel SRU Workflow automated-testing series:
  Incomplete
Status in Kernel SRU Workflow certification-testing series:
  Fix Released
Status in Kernel SRU Workflow prepare-package series:
  Fix Released
Status in Kernel SRU Workflow prepare-package-meta series:
  Fix Released
Status in Kernel SRU Workflow promote-to-proposed series:
  Fix Released
Status in Kernel SRU Workflow promote-to-security series:
  New
Status in Kernel SRU Workflow promote-to-updates series:
  New
Status in Kernel SRU Workflow regression-testing series:
  Invalid
Status in Kernel SRU Workflow security-signoff series:
  Fix Released
Status in Kernel SRU Workflow upload-to-ppa series:
  New
Status in Kernel SRU Workflow verification-testing series:
  Fix Released
Status in linux-euclid package in Ubuntu:
  Invalid
Status in linux-euclid source package in Xenial:
  Confirmed

Bug description:
  This bug is for tracking the  upload package.
  This bug will contain status and testing results related to that
  upload.

  For an explanation of the tasks and the associated workflow see: 
https://wiki.ubuntu.com/Kernel/kernel-sru-workflow
  -- swm properties --
  boot-testing-requested: true
  kernel-stable-master-bug: 1763687
  phase: Promoted to proposed
  proposed-announcement-sent: true
  proposed-testing-requested: true

To manage notifications about this bug go to:
https://bugs.launchpad.net/kernel-sru-workflow/+bug/1761444/+subscriptions

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[Group.of.nepali.translators] [Bug 1763689] Re: linux-snapdragon: 4.4.0-1090.95 -proposed tracker

[Taihsiang Ho]

Hardware Certification have completed testing this -proposed kernel. No
regressions were observed, results are available here:
http://people.canonical.com/~hwcert/sru-
testing/snapdragon/4.4.0-1090.95/snapdragon-4.4-proposed-published.html

** Tags added: certification-testing-passed

** Changed in: kernel-sru-workflow/certification-testing
   Status: In Progress => Fix Released

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Title:
  linux-snapdragon: 4.4.0-1090.95 -proposed tracker

Status in Kernel SRU Workflow:
  In Progress
Status in Kernel SRU Workflow automated-testing series:
  Fix Released
Status in Kernel SRU Workflow certification-testing series:
  Fix Released
Status in Kernel SRU Workflow prepare-package series:
  Fix Released
Status in Kernel SRU Workflow prepare-package-meta series:
  Fix Released
Status in Kernel SRU Workflow promote-to-proposed series:
  Fix Released
Status in Kernel SRU Workflow promote-to-security series:
  New
Status in Kernel SRU Workflow promote-to-updates series:
  New
Status in Kernel SRU Workflow regression-testing series:
  Invalid
Status in Kernel SRU Workflow security-signoff series:
  Fix Released
Status in Kernel SRU Workflow snap-certification-testing series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-beta series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-candidate series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-edge series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-stable series:
  New
Status in Kernel SRU Workflow upload-to-ppa series:
  New
Status in Kernel SRU Workflow verification-testing series:
  Fix Released
Status in linux-snapdragon package in Ubuntu:
  Invalid
Status in linux-snapdragon source package in Xenial:
  Confirmed

Bug description:
  This bug is for tracking the  upload package.
  This bug will contain status and testing results related to that
  upload.

  For an explanation of the tasks and the associated workflow see: 
https://wiki.ubuntu.com/Kernel/kernel-sru-workflow
  -- swm properties --
  boot-testing-requested: true
  kernel-stable-master-bug: 1763687
  phase: Promoted to proposed
  proposed-announcement-sent: true
  proposed-testing-requested: true

To manage notifications about this bug go to:
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[Group.of.nepali.translators] [Bug 1750013] Re: systemd-logind: memory leaks on session's connections (trusty-only)

[Launchpad Bug Tracker]

This bug was fixed in the package systemd - 204-5ubuntu20.28

---
systemd (204-5ubuntu20.28) trusty; urgency=medium

  * logind: fix memleaks in session's free path and cgmanager glue code
(LP: #1750013)

 -- gpicc...@canonical.com (Guilherme G. Piccoli)  Tue, 03 Apr 2018
13:38:08 +

** Changed in: systemd (Ubuntu Trusty)
   Status: Fix Committed => Fix Released

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Title:
  systemd-logind: memory leaks on session's connections (trusty-only)

Status in systemd package in Ubuntu:
  Fix Released
Status in systemd source package in Trusty:
  Fix Released
Status in systemd source package in Xenial:
  Fix Released
Status in systemd source package in Artful:
  Fix Released
Status in systemd source package in Bionic:
  Fix Released

Bug description:
  Below the SRU request form. Please refer to the Original Description
  to a more comprehensive explanation of the problem observed.

  
  [Impact] 

   * systemd-logind tool is leaking memory at each session connected. The 
   issues happens in systemd from Trusty (14.04) only.

   * Three issues observed:
- systemd-logind is leaking entire sessions, i.e, the sessions are not 
  feeed after they're closed. In order to fix that, we proactively add 
  the sessions to systemd garbage collector (gc) when they are closed. 
  Also, part of the fix is to make cgmanager package a dependency. Refer 
  to comment #1 to a more thorough explanation of the issue and the fix.

- a small memory leak was observed in the session creation logic of 
  systemd-logind. The fix for that is the addition of an appropriate 
  free() call. Refer to comment #2 to more details on the issue and fix.

- another small memory leak was observed in the cgmanager glue code of 
  systemd-logind - this code is only present in this specific Ubuntu 
  release of the package, due to necessary compatibility layer with 
  upstart init system. The fix is to properly call free() in 2 
  functions. Refer to comment #3 to a deep exposition of the issue and 
  the fix.

  
  [Test Case]

   * The basic test-case is to run the following loop from a remote machine:
 while true; do ssh  "whoami"; done

   * It's possible to watch the increase in memory consumption from 
 "systemd-logind" process in the target machine. One can use the
 "ps uax" command to verify the RSS of the process, or count its 
 anonymous pages from /proc//smaps.

  
  [Regression Potential] 

   * Since the fixes are small and not intrusive, the potential for 
 regressions are low. More regression considerations on comments #1, #2 
 and #3 for each fix.

   * A potential small regressson is performance-wise, since now we add 
 sessions to garbage collector proactively.

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[Group.of.nepali.translators] [Bug 1763454] Re: bpf_map_lookup_elem: BUG: unable to handle kernel paging request

[Seth Forshee]

** Changed in: linux (Ubuntu Xenial)
   Importance: Medium => High

** Changed in: linux (Ubuntu)
   Status: Triaged => Invalid

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Title:
  bpf_map_lookup_elem: BUG: unable to handle kernel paging request

Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Xenial:
  Triaged

Bug description:
  SRU Justification

  Impact: Some unfortunate timing between the fix for CVE-2017-17862
  being backported and some updates from upstream stable resulted in us
  not having some hunks from the CVE patch. This is causing oopses (see
  below).

  Fix: Add in the missing hunks from the CVE patch.

  Test case: See test results in comment #4.

  Regression potential: This just updates the code to match the upstream
  patch, which has been upstream for months, so regression potential
  should be low.

  ---

  Hey,

  we are currently debugging an issue with Scope [1] where the
  initialization of the used tcptracer-bpf [2] leads to a kernel oops at
  the first call of `bpf_map_lookup_elem`. The OS is Ubuntu Xenial with
  kernel version `Ubuntu 4.4.0-119.143-generic 4.4.114`. `4.4.0-116.140`
  does not show the problem.

  Example:

  ```
  [   58.763045] BUG: unable to handle kernel paging request at 3c0c41a8
  [   58.846450] IP: [] bpf_map_lookup_elem+0x6/0x20
  [   58.909436] PGD 80003be04067 PUD 3bea1067 PMD 0
  [   58.914876] Oops:  [#1] SMP
  [   58.915581] Modules linked in: ipt_MASQUERADE nf_nat_masquerade_ipv4 
nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo iptable_nat 
nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter 
ip_tables xt_conntrack x_tables nf_nat nf_conntrack br_netfilter bridge stp llc 
overlay vboxsf isofs ppdev crct10dif_pclmul crc32_pclmul ghash_clmulni_intel 
vboxguest input_leds serio_raw parport_pc parport video ib_iser rdma_cm iw_cm 
ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi 
scsi_transport_iscsi autofs4 btrfs raid10 raid456 async_raid6_recov 
async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 
multipath linear mptspi aesni_intel scsi_transport_spi mptscsih aes_x86_64 
glue_helper lrw gf128mul ablk_helper cryptd mptbase psmouse e1000
  [   59.678145] CPU: 1 PID: 1810 Comm: scope Not tainted 4.4.0-119-generic 
#143-Ubuntu
  [   59.790501] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS 
VirtualBox 12/01/2006
  [   59.846405] task: 88003ae23800 ti: 880022c84000 task.ti: 
880022c84000
  [   60.000524] RIP: 0010:[]  [] 
bpf_map_lookup_elem+0x6/0x20
  [   60.178029] RSP: 0018:880022c87960  EFLAGS: 00010082
  [   60.257957] RAX: 8117cd70 RBX: c922f090 RCX: 

  [   60.350704] RDX:  RSI: 880022c87ba8 RDI: 
3c0c4180
  [   60.449182] RBP: 880022c87be8 R08:  R09: 
0800
  [   60.547638] R10: 88003ae23800 R11: 88003ca12e10 R12: 

  [   60.570757] R13: 88003c601200 R14: 88003fd10020 R15: 
880022c87d10
  [   60.678811] FS:  7f95ba372700() GS:88003fd0() 
knlGS:
  [   60.778636] CS:  0010 DS:  ES:  CR0: 80050033
  [   60.866380] CR2: 3c0c41a8 CR3: 3aeae000 CR4: 
00060670
  [   60.963736] DR0:  DR1:  DR2: 

  [   61.069195] DR3:  DR6: fffe0ff0 DR7: 
0400
  [   61.187006] Stack:
  [   61.189256]  880022c87be8 81177411  
0001
  [   61.253133]  3c0c4180 880022c87ba8  

  [   61.345334]   880022c87d10  
0001
  [   61.459069] Call Trace:
  [   61.505273]  [] ? __bpf_prog_run+0x7a1/0x1360
  [   61.625511]  [] ? update_curr+0x79/0x170
  [   61.741423]  [] ? update_cfs_shares+0xbc/0x100
  [   61.837892]  [] ? __schedule+0x30d/0x7f0
  [   61.941349]  [] ? __schedule+0x301/0x7f0
  [   62.073874]  [] ? __schedule+0x30d/0x7f0
  [   62.185260]  [] ? __schedule+0x301/0x7f0
  [   62.186239]  [] ? __schedule+0x30d/0x7f0
  [   62.305193]  [] ? __schedule+0x301/0x7f0
  [   62.399854]  [] ? __schedule+0x30d/0x7f0
  [   62.406219]  [] ? __schedule+0x301/0x7f0
  [   62.407994]  [] ? __schedule+0x30d/0x7f0
  [   62.410491]  [] ? __schedule+0x301/0x7f0
  [   62.431220]  [] ? __schedule+0x30d/0x7f0
  [   62.497078]  [] ? __schedule+0x30d/0x7f0
  [   62.559245]  [] ? __schedule+0x301/0x7f0
  [   62.661493]  [] ? __schedule+0x30d/0x7f0
  [   62.712927]  [] ? __schedule+0x301/0x7f0
  [   62.799216]  [] trace_call_bpf+0x37/0x50
  [   62.881570]  [] kprobe_perf_func+0x37/0x250
  [   62.977365]  [] ? finish_task_switch+0x76/0x230
  [   62.981405]  [] ? 

[Group.of.nepali.translators] [Bug 1761446] Re: linux-raspi2: 4.4.0-1087.95 -proposed tracker

[Taihsiang Ho]

Hardware Certification have completed testing this -proposed kernel. No
regressions were observed, results are available here:
http://people.canonical.com/~hwcert/sru-
testing/raspi2/4.4.0-1087.95/raspi2-4.4-proposed-published.html

** Tags added: certification-testing-passed

** Changed in: kernel-sru-workflow/certification-testing
   Status: In Progress => Fix Released

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Title:
  linux-raspi2: 4.4.0-1087.95 -proposed tracker

Status in Kernel SRU Workflow:
  In Progress
Status in Kernel SRU Workflow automated-testing series:
  Fix Released
Status in Kernel SRU Workflow certification-testing series:
  Fix Released
Status in Kernel SRU Workflow prepare-package series:
  Fix Released
Status in Kernel SRU Workflow prepare-package-meta series:
  Fix Released
Status in Kernel SRU Workflow promote-to-proposed series:
  Fix Released
Status in Kernel SRU Workflow promote-to-security series:
  New
Status in Kernel SRU Workflow promote-to-updates series:
  New
Status in Kernel SRU Workflow regression-testing series:
  Invalid
Status in Kernel SRU Workflow security-signoff series:
  Fix Released
Status in Kernel SRU Workflow snap-certification-testing series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-beta series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-candidate series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-edge series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-stable series:
  New
Status in Kernel SRU Workflow upload-to-ppa series:
  New
Status in Kernel SRU Workflow verification-testing series:
  Fix Released
Status in linux-raspi2 package in Ubuntu:
  Invalid
Status in linux-raspi2 source package in Xenial:
  Confirmed

Bug description:
  This bug is for tracking the  upload package.
  This bug will contain status and testing results related to that
  upload.

  For an explanation of the tasks and the associated workflow see: 
https://wiki.ubuntu.com/Kernel/kernel-sru-workflow
  -- swm properties --
  boot-testing-requested: true
  kernel-stable-master-bug: 1763687
  phase: Promoted to proposed
  proposed-announcement-sent: true
  proposed-testing-requested: true

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[Group.of.nepali.translators] [Bug 1761184] Re: linux-hwe-edge: 4.15.0-15.16~16.04.1 -proposed tracker

[Brad Figg]

** Changed in: kernel-sru-workflow/regression-testing
   Status: Confirmed => Fix Released

** Changed in: kernel-sru-workflow/promote-to-security
   Status: New => Confirmed

** Changed in: kernel-sru-workflow/promote-to-updates
   Status: New => Confirmed

** Tags removed: block-proposed-xenial

** Tags removed: block-proposed

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Title:
  linux-hwe-edge: 4.15.0-15.16~16.04.1 -proposed tracker

Status in Kernel SRU Workflow:
  In Progress
Status in Kernel SRU Workflow automated-testing series:
  Fix Released
Status in Kernel SRU Workflow certification-testing series:
  Invalid
Status in Kernel SRU Workflow prepare-package series:
  Fix Released
Status in Kernel SRU Workflow prepare-package-meta series:
  Fix Released
Status in Kernel SRU Workflow prepare-package-signed series:
  Fix Released
Status in Kernel SRU Workflow promote-to-proposed series:
  Fix Released
Status in Kernel SRU Workflow promote-to-security series:
  Confirmed
Status in Kernel SRU Workflow promote-to-updates series:
  Confirmed
Status in Kernel SRU Workflow regression-testing series:
  Fix Released
Status in Kernel SRU Workflow security-signoff series:
  Fix Released
Status in Kernel SRU Workflow upload-to-ppa series:
  New
Status in Kernel SRU Workflow verification-testing series:
  Invalid
Status in linux-hwe-edge package in Ubuntu:
  Invalid
Status in linux-hwe-edge source package in Xenial:
  Confirmed

Bug description:
  This bug is for tracking the  upload package.
  This bug will contain status and testing results related to that
  upload.

  For an explanation of the tasks and the associated workflow see: 
https://wiki.ubuntu.com/Kernel/kernel-sru-workflow
  -- swm properties --
  boot-testing-requested: true
  kernel-stable-master-bug: 1761177
  phase: Promoted to proposed
  proposed-announcement-sent: true
  proposed-testing-requested: true

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[Group.of.nepali.translators] [Bug 1756173] Re: [SRU] 2.32

[Michael Vogt]

*** This bug is a duplicate of bug 1765090 ***
https://bugs.launchpad.net/bugs/1765090

** This bug has been marked a duplicate of bug 1765090
   [SRU] 2.32.5

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Title:
  [SRU] 2.32

Status in snapd package in Ubuntu:
  Fix Released
Status in snapd source package in Trusty:
  Fix Committed
Status in snapd source package in Xenial:
  Fix Committed
Status in snapd source package in Artful:
  Fix Committed
Status in snapd source package in Bionic:
  Fix Released

Bug description:
  This is a new version of snapd. It supersedes the pending snapd releases
  in -proposed.

  The changelog is available here
  
https://github.com/snapcore/snapd/blob/2.33.3.1/packaging/ubuntu-16.04/changelog,
  the raw git changelog is available here:
  https://github.com/snapcore/snapd/commits/2.32.3.1 (note that the
  debian changelog is auto-generated from the merges of the git commits
  so there is usually no need to look at the raw git commits).

  The travis logs for 2.33.3.1 can be found here: https://travis-
  ci.org/snapcore/snapd/branches

  We currently have no autopkgtest logs before snapd hits -proposed
  because we got asked to disable our autopkgtest integration as it was
  using too many resources from the autopkgtest infrastructure.

  The snappy team released a new release that we want SRU into xenial.
  The new process described in https://wiki.ubuntu.com/SnapdUpdates was
  used and we have done integration-tests on the snappy images,
  autopkgtests on classic and unit tests.

  Related bugs:
   * bug 1628289: snapd does not work in containers without squashfuse

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[Group.of.nepali.translators] [Bug 1756173] Re: [SRU] 2.32

[Andy Whitcroft]

*** This bug is a duplicate of bug 1765090 ***
https://bugs.launchpad.net/bugs/1765090

** Changed in: snapd (Ubuntu Artful)
   Status: Fix Released => Fix Committed

** Changed in: snapd (Ubuntu Xenial)
   Status: Fix Released => Fix Committed

** Changed in: snapd (Ubuntu Trusty)
   Status: Fix Released => Fix Committed

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Title:
  [SRU] 2.32

Status in snapd package in Ubuntu:
  Fix Released
Status in snapd source package in Trusty:
  Fix Committed
Status in snapd source package in Xenial:
  Fix Committed
Status in snapd source package in Artful:
  Fix Committed
Status in snapd source package in Bionic:
  Fix Released

Bug description:
  This is a new version of snapd. It supersedes the pending snapd releases
  in -proposed.

  The changelog is available here
  
https://github.com/snapcore/snapd/blob/2.33.3.1/packaging/ubuntu-16.04/changelog,
  the raw git changelog is available here:
  https://github.com/snapcore/snapd/commits/2.32.3.1 (note that the
  debian changelog is auto-generated from the merges of the git commits
  so there is usually no need to look at the raw git commits).

  The travis logs for 2.33.3.1 can be found here: https://travis-
  ci.org/snapcore/snapd/branches

  We currently have no autopkgtest logs before snapd hits -proposed
  because we got asked to disable our autopkgtest integration as it was
  using too many resources from the autopkgtest infrastructure.

  The snappy team released a new release that we want SRU into xenial.
  The new process described in https://wiki.ubuntu.com/SnapdUpdates was
  used and we have done integration-tests on the snappy images,
  autopkgtests on classic and unit tests.

  Related bugs:
   * bug 1628289: snapd does not work in containers without squashfuse

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[Group.of.nepali.translators] [Bug 1765090] Please test proposed package

[Andy Whitcroft]

Hello Michael, or anyone else affected,

Accepted snapd into xenial-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/snapd/2.32.5 in a few
hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested and change the tag from
verification-needed-xenial to verification-done-xenial. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-failed-xenial. In either case, without details of
your testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: snapd (Ubuntu)
   Status: New => Fix Released

** Changed in: snapd (Ubuntu Trusty)
   Status: New => Fix Committed

** Tags added: verification-needed-trusty

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Title:
  [SRU] 2.32.5

Status in snapd package in Ubuntu:
  Fix Released
Status in snapd source package in Trusty:
  Fix Committed
Status in snapd source package in Xenial:
  Fix Committed
Status in snapd source package in Artful:
  Fix Committed

Bug description:
  This is a new version of snapd.

  The changelog is available here
  
https://github.com/snapcore/snapd/blob/2.32.5/packaging/ubuntu-16.04/changelog,
  the raw git changelog is available here:
  https://github.com/snapcore/snapd/commits/2.32.5 (note that the debian
  changelog is auto-generated from the merges of the git commits so
  there is usually no need to look at the raw git commits).

  The travis logs for 2.33.5 can be found here: https://travis-
  ci.org/snapcore/snapd/branches

  We currently have no autopkgtest logs before snapd hits -proposed
  because we got asked to disable our autopkgtest integration as it was
  using too many resources from the autopkgtest infrastructure.

  The snappy team released a new release that we want SRU into xenial.
  The new process described in https://wiki.ubuntu.com/SnapdUpdates was
  used and we have done integration-tests on the snappy images,
  autopkgtests on classic and unit tests.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/snapd/+bug/1765090/+subscriptions

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[Group.of.nepali.translators] [Bug 1761184] Re: linux-hwe-edge: 4.15.0-15.16~16.04.1 -proposed tracker

[Thadeu Lima de Souza Cascardo]

< taihsiang> cascardo: no, we don't cert test hwe-edge

** Changed in: kernel-sru-workflow/certification-testing
   Status: Confirmed => Invalid

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Title:
  linux-hwe-edge: 4.15.0-15.16~16.04.1 -proposed tracker

Status in Kernel SRU Workflow:
  In Progress
Status in Kernel SRU Workflow automated-testing series:
  Fix Released
Status in Kernel SRU Workflow certification-testing series:
  Invalid
Status in Kernel SRU Workflow prepare-package series:
  Fix Released
Status in Kernel SRU Workflow prepare-package-meta series:
  Fix Released
Status in Kernel SRU Workflow prepare-package-signed series:
  Fix Released
Status in Kernel SRU Workflow promote-to-proposed series:
  Fix Released
Status in Kernel SRU Workflow promote-to-security series:
  New
Status in Kernel SRU Workflow promote-to-updates series:
  New
Status in Kernel SRU Workflow regression-testing series:
  Confirmed
Status in Kernel SRU Workflow security-signoff series:
  Fix Released
Status in Kernel SRU Workflow upload-to-ppa series:
  New
Status in Kernel SRU Workflow verification-testing series:
  Invalid
Status in linux-hwe-edge package in Ubuntu:
  Invalid
Status in linux-hwe-edge source package in Xenial:
  Confirmed

Bug description:
  This bug is for tracking the  upload package.
  This bug will contain status and testing results related to that
  upload.

  For an explanation of the tasks and the associated workflow see: 
https://wiki.ubuntu.com/Kernel/kernel-sru-workflow
  -- swm properties --
  boot-testing-requested: true
  kernel-stable-master-bug: 1761177
  phase: Promoted to proposed
  proposed-announcement-sent: true
  proposed-testing-requested: true

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[Group.of.nepali.translators] [Bug 1761184] Re: linux-hwe-edge: 4.15.0-15.16~16.04.1 -proposed tracker

[Thadeu Lima de Souza Cascardo]

No verification test for hwe-edge, as it's the same as the bionic
kernel, so verification should have been done on the master kernel.

** Changed in: kernel-sru-workflow/verification-testing
   Status: Confirmed => Invalid

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Title:
  linux-hwe-edge: 4.15.0-15.16~16.04.1 -proposed tracker

Status in Kernel SRU Workflow:
  In Progress
Status in Kernel SRU Workflow automated-testing series:
  Fix Released
Status in Kernel SRU Workflow certification-testing series:
  Confirmed
Status in Kernel SRU Workflow prepare-package series:
  Fix Released
Status in Kernel SRU Workflow prepare-package-meta series:
  Fix Released
Status in Kernel SRU Workflow prepare-package-signed series:
  Fix Released
Status in Kernel SRU Workflow promote-to-proposed series:
  Fix Released
Status in Kernel SRU Workflow promote-to-security series:
  New
Status in Kernel SRU Workflow promote-to-updates series:
  New
Status in Kernel SRU Workflow regression-testing series:
  Confirmed
Status in Kernel SRU Workflow security-signoff series:
  Fix Released
Status in Kernel SRU Workflow upload-to-ppa series:
  New
Status in Kernel SRU Workflow verification-testing series:
  Invalid
Status in linux-hwe-edge package in Ubuntu:
  Invalid
Status in linux-hwe-edge source package in Xenial:
  Confirmed

Bug description:
  This bug is for tracking the  upload package.
  This bug will contain status and testing results related to that
  upload.

  For an explanation of the tasks and the associated workflow see: 
https://wiki.ubuntu.com/Kernel/kernel-sru-workflow
  -- swm properties --
  boot-testing-requested: true
  kernel-stable-master-bug: 1761177
  phase: Promoted to proposed
  proposed-announcement-sent: true
  proposed-testing-requested: true

To manage notifications about this bug go to:
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[Group.of.nepali.translators] [Bug 1761443] Re: linux-aws: 4.4.0-1055.64 -proposed tracker

[Brad Figg]

** Changed in: kernel-sru-workflow/verification-testing
   Status: Confirmed => Fix Released

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Title:
  linux-aws: 4.4.0-1055.64 -proposed tracker

Status in Kernel SRU Workflow:
  In Progress
Status in Kernel SRU Workflow automated-testing series:
  Fix Released
Status in Kernel SRU Workflow certification-testing series:
  Invalid
Status in Kernel SRU Workflow prepare-package series:
  Fix Released
Status in Kernel SRU Workflow prepare-package-meta series:
  Fix Released
Status in Kernel SRU Workflow promote-to-proposed series:
  Fix Released
Status in Kernel SRU Workflow promote-to-security series:
  New
Status in Kernel SRU Workflow promote-to-updates series:
  New
Status in Kernel SRU Workflow regression-testing series:
  Fix Released
Status in Kernel SRU Workflow security-signoff series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-beta series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-candidate series:
  Confirmed
Status in Kernel SRU Workflow snap-release-to-edge series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-stable series:
  Invalid
Status in Kernel SRU Workflow upload-to-ppa series:
  New
Status in Kernel SRU Workflow verification-testing series:
  Fix Released
Status in linux-aws package in Ubuntu:
  Invalid
Status in linux-aws source package in Xenial:
  Confirmed

Bug description:
  This bug is for tracking the  upload package.
  This bug will contain status and testing results related to that
  upload.

  For an explanation of the tasks and the associated workflow see: 
https://wiki.ubuntu.com/Kernel/kernel-sru-workflow
  -- swm properties --
  boot-testing-requested: true
  kernel-stable-master-bug: 1763687
  phase: Promoted to proposed
  proposed-announcement-sent: true
  proposed-testing-requested: true

To manage notifications about this bug go to:
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[Group.of.nepali.translators] [Bug 1761446] Re: linux-raspi2: 4.4.0-1087.95 -proposed tracker

[Brad Figg]

** Changed in: kernel-sru-workflow/verification-testing
   Status: Confirmed => Fix Released

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Title:
  linux-raspi2: 4.4.0-1087.95 -proposed tracker

Status in Kernel SRU Workflow:
  In Progress
Status in Kernel SRU Workflow automated-testing series:
  Fix Released
Status in Kernel SRU Workflow certification-testing series:
  Confirmed
Status in Kernel SRU Workflow prepare-package series:
  Fix Released
Status in Kernel SRU Workflow prepare-package-meta series:
  Fix Released
Status in Kernel SRU Workflow promote-to-proposed series:
  Fix Released
Status in Kernel SRU Workflow promote-to-security series:
  New
Status in Kernel SRU Workflow promote-to-updates series:
  New
Status in Kernel SRU Workflow regression-testing series:
  Invalid
Status in Kernel SRU Workflow security-signoff series:
  Fix Released
Status in Kernel SRU Workflow snap-certification-testing series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-beta series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-candidate series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-edge series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-stable series:
  New
Status in Kernel SRU Workflow upload-to-ppa series:
  New
Status in Kernel SRU Workflow verification-testing series:
  Fix Released
Status in linux-raspi2 package in Ubuntu:
  Invalid
Status in linux-raspi2 source package in Xenial:
  Confirmed

Bug description:
  This bug is for tracking the  upload package.
  This bug will contain status and testing results related to that
  upload.

  For an explanation of the tasks and the associated workflow see: 
https://wiki.ubuntu.com/Kernel/kernel-sru-workflow
  -- swm properties --
  boot-testing-requested: true
  kernel-stable-master-bug: 1763687
  phase: Promoted to proposed
  proposed-announcement-sent: true
  proposed-testing-requested: true

To manage notifications about this bug go to:
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[Group.of.nepali.translators] [Bug 1761445] Re: linux-kvm: 4.4.0-1021.26 -proposed tracker

[Brad Figg]

** Changed in: kernel-sru-workflow/verification-testing
   Status: Confirmed => Fix Released

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Title:
  linux-kvm: 4.4.0-1021.26 -proposed tracker

Status in Kernel SRU Workflow:
  In Progress
Status in Kernel SRU Workflow automated-testing series:
  Fix Released
Status in Kernel SRU Workflow certification-testing series:
  Invalid
Status in Kernel SRU Workflow prepare-package series:
  Fix Released
Status in Kernel SRU Workflow prepare-package-meta series:
  Fix Released
Status in Kernel SRU Workflow promote-to-proposed series:
  Fix Released
Status in Kernel SRU Workflow promote-to-security series:
  New
Status in Kernel SRU Workflow promote-to-updates series:
  New
Status in Kernel SRU Workflow regression-testing series:
  Fix Released
Status in Kernel SRU Workflow security-signoff series:
  Fix Released
Status in Kernel SRU Workflow upload-to-ppa series:
  New
Status in Kernel SRU Workflow verification-testing series:
  Fix Released
Status in linux-kvm package in Ubuntu:
  Invalid
Status in linux-kvm source package in Xenial:
  Confirmed

Bug description:
  This bug is for tracking the  upload package.
  This bug will contain status and testing results related to that
  upload.

  For an explanation of the tasks and the associated workflow see: 
https://wiki.ubuntu.com/Kernel/kernel-sru-workflow
  -- swm properties --
  boot-testing-requested: true
  kernel-stable-master-bug: 1763687
  phase: Promoted to proposed
  proposed-announcement-sent: true
  proposed-testing-requested: true

To manage notifications about this bug go to:
https://bugs.launchpad.net/kernel-sru-workflow/+bug/1761445/+subscriptions

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[Group.of.nepali.translators] [Bug 1761444] Re: linux-euclid: 4.4.0-9026.28 -proposed tracker

[Brad Figg]

** Changed in: kernel-sru-workflow/verification-testing
   Status: Confirmed => Fix Released

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https://bugs.launchpad.net/bugs/1761444

Title:
  linux-euclid: 4.4.0-9026.28 -proposed tracker

Status in Kernel SRU Workflow:
  In Progress
Status in Kernel SRU Workflow automated-testing series:
  Incomplete
Status in Kernel SRU Workflow certification-testing series:
  In Progress
Status in Kernel SRU Workflow prepare-package series:
  Fix Released
Status in Kernel SRU Workflow prepare-package-meta series:
  Fix Released
Status in Kernel SRU Workflow promote-to-proposed series:
  Fix Released
Status in Kernel SRU Workflow promote-to-security series:
  New
Status in Kernel SRU Workflow promote-to-updates series:
  New
Status in Kernel SRU Workflow regression-testing series:
  Invalid
Status in Kernel SRU Workflow security-signoff series:
  Fix Released
Status in Kernel SRU Workflow upload-to-ppa series:
  New
Status in Kernel SRU Workflow verification-testing series:
  Fix Released
Status in linux-euclid package in Ubuntu:
  Invalid
Status in linux-euclid source package in Xenial:
  Confirmed

Bug description:
  This bug is for tracking the  upload package.
  This bug will contain status and testing results related to that
  upload.

  For an explanation of the tasks and the associated workflow see: 
https://wiki.ubuntu.com/Kernel/kernel-sru-workflow
  -- swm properties --
  boot-testing-requested: true
  kernel-stable-master-bug: 1763687
  phase: Promoted to proposed
  proposed-announcement-sent: true
  proposed-testing-requested: true

To manage notifications about this bug go to:
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[Group.of.nepali.translators] [Bug 1763689] Re: linux-snapdragon: 4.4.0-1090.95 -proposed tracker

[Brad Figg]

** Changed in: kernel-sru-workflow/verification-testing
   Status: Confirmed => Fix Released

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https://bugs.launchpad.net/bugs/1763689

Title:
  linux-snapdragon: 4.4.0-1090.95 -proposed tracker

Status in Kernel SRU Workflow:
  In Progress
Status in Kernel SRU Workflow automated-testing series:
  Fix Released
Status in Kernel SRU Workflow certification-testing series:
  In Progress
Status in Kernel SRU Workflow prepare-package series:
  Fix Released
Status in Kernel SRU Workflow prepare-package-meta series:
  Fix Released
Status in Kernel SRU Workflow promote-to-proposed series:
  Fix Released
Status in Kernel SRU Workflow promote-to-security series:
  New
Status in Kernel SRU Workflow promote-to-updates series:
  New
Status in Kernel SRU Workflow regression-testing series:
  Invalid
Status in Kernel SRU Workflow security-signoff series:
  Fix Released
Status in Kernel SRU Workflow snap-certification-testing series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-beta series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-candidate series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-edge series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-stable series:
  New
Status in Kernel SRU Workflow upload-to-ppa series:
  New
Status in Kernel SRU Workflow verification-testing series:
  Fix Released
Status in linux-snapdragon package in Ubuntu:
  Invalid
Status in linux-snapdragon source package in Xenial:
  Confirmed

Bug description:
  This bug is for tracking the  upload package.
  This bug will contain status and testing results related to that
  upload.

  For an explanation of the tasks and the associated workflow see: 
https://wiki.ubuntu.com/Kernel/kernel-sru-workflow
  -- swm properties --
  boot-testing-requested: true
  kernel-stable-master-bug: 1763687
  phase: Promoted to proposed
  proposed-announcement-sent: true
  proposed-testing-requested: true

To manage notifications about this bug go to:
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[Group.of.nepali.translators] [Bug 1763687] Re: linux: 4.4.0-121.145 -proposed tracker

[Kleber Sacilotto de Souza]

Verification completed successfully for Xenial.

** Changed in: kernel-sru-workflow/verification-testing
   Status: Confirmed => Fix Released

** Changed in: kernel-sru-workflow/verification-testing
 Assignee: Canonical Kernel Team (canonical-kernel-team) => Kleber 
Sacilotto de Souza (kleber-souza)

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Title:
  linux: 4.4.0-121.145 -proposed tracker

Status in Kernel SRU Workflow:
  In Progress
Status in Kernel SRU Workflow automated-testing series:
  Fix Released
Status in Kernel SRU Workflow certification-testing series:
  In Progress
Status in Kernel SRU Workflow prepare-package series:
  Fix Released
Status in Kernel SRU Workflow prepare-package-meta series:
  Fix Released
Status in Kernel SRU Workflow prepare-package-signed series:
  Fix Released
Status in Kernel SRU Workflow promote-to-proposed series:
  Fix Released
Status in Kernel SRU Workflow promote-to-security series:
  New
Status in Kernel SRU Workflow promote-to-updates series:
  New
Status in Kernel SRU Workflow regression-testing series:
  Confirmed
Status in Kernel SRU Workflow security-signoff series:
  Fix Released
Status in Kernel SRU Workflow snap-certification-testing series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-beta series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-candidate series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-edge series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-stable series:
  New
Status in Kernel SRU Workflow upload-to-ppa series:
  Invalid
Status in Kernel SRU Workflow verification-testing series:
  Fix Released
Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Xenial:
  Confirmed

Bug description:
  This bug is for tracking the  upload package.
  This bug will contain status and testing results related to that
  upload.

  For an explanation of the tasks and the associated workflow see:
  https://wiki.ubuntu.com/Kernel/kernel-sru-workflow

  backports: bug 1763688 (linux-lts-xenial)
  derivatives: bug 1763689 (linux-snapdragon)
  -- swm properties --
  boot-testing-requested: true
  bugs-spammed: true
  phase: Promoted to proposed
  proposed-announcement-sent: true
  proposed-testing-requested: true

To manage notifications about this bug go to:
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[Group.of.nepali.translators] [Bug 1765010] Re: Xenial update to 4.4.128 stable release

[Stefan Bader]

** Also affects: linux (Ubuntu Xenial)
   Importance: Undecided
   Status: New

** Changed in: linux (Ubuntu Xenial)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu Xenial)
   Status: New => In Progress

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Title:
  Xenial update to 4.4.128 stable release

Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Xenial:
  In Progress

Bug description:
  
  SRU Justification

  Impact:
 The upstream process for stable tree updates is quite similar
 in scope to the Ubuntu SRU process, e.g., each patch has to
 demonstrably fix a bug, and each patch is vetted by upstream
 by originating either directly from a mainline/stable Linux tree
 or a minimally backported form of that patch. The 4.4.128 upstream
 stable stable patch set is now available. It should be included
 in the Ubuntu kernel as well.

 git://git.kernel.org/

  TEST CASE: TBD

 The following patches from the 4.4.128 stable release shall be
 applied:

 * Linux 4.4.128
 * Revert "xhci: plat: Register shutdown for xhci_plat"
 * vrf: Fix use after free and double free in vrf_finish_output
 * ipv6: the entire IPv6 header chain must fit the first fragment
 * net/ipv6: Increment OUTxxx counters after netfilter hook
 * net sched actions: fix dumping which requires several messages to user 
space
 * r8169: fix setting driver_data after register_netdev
 * vti6: better validate user provided tunnel names
 * ip6_tunnel: better validate user provided tunnel names
 * ip6_gre: better validate user provided tunnel names
 * ipv6: sit: better validate user provided tunnel names
 * ip_tunnel: better validate user provided tunnel names
 * net: fool proof dev_valid_name()
 * bonding: process the err returned by dev_set_allmulti properly in 
bond_enslave
 * bonding: move dev_mc_sync after master_upper_dev_link in bond_enslave
 * bonding: fix the err path for dev hwaddr sync in bond_enslave
 * vlan: also check phy_driver ts_info for vlan's real device
 * vhost: correctly remove wait queue during poll failure
 * sky2: Increase D3 delay to sky2 stops working after suspend
 * sctp: sctp_sockaddr_af must check minimal addr length for AF_INET6
 * sctp: do not leak kernel memory to user space
 * pptp: remove a buggy dst release in pptp_connect()
 * net/sched: fix NULL dereference in the error path of tcf_bpf_init()
 * netlink: make sure nladdr has correct size in netlink_connect()
 * net/ipv6: Fix route leaking between VRFs
 * net: fix possible out-of-bound read in skb_network_protocol()
 * arp: fix arp_filter on l3slave devices
 * Kbuild: provide a __UNIQUE_ID for clang
 * futex: Remove requirement for lock_page() in get_futex_key()
 * random: use lockless method of accessing and updating f->reg_idx
 * virtio_net: check return value of skb_to_sgvec in one more location
 * virtio_net: check return value of skb_to_sgvec always
 * rxrpc: check return value of skb_to_sgvec always
 * ipsec: check return value of skb_to_sgvec always
 * perf tools: Fix copyfile_offset update of output offset
 * cxgb4vf: Fix SGE FL buffer initialization logic for 64K pages
 * EDAC, mv64x60: Fix an error handling path
 * tty: n_gsm: Allow ADM response in addition to UA for control dlci
 * blk-mq: fix kernel oops in blk_mq_tag_idle()
 * scsi: libsas: initialize sas_phy status according to response of DISCOVER
 * scsi: libsas: fix error when getting phy events
 * scsi: libsas: fix memory leak in sas_smp_get_phy_events()
 * bcache: segregate flash only volume write streams
 * bcache: stop writeback thread after detaching
 * vxlan: dont migrate permanent fdb entries during learn
 * s390/dasd: fix hanging safe offline
 * ACPICA: Disassembler: Abort on an invalid/unknown AML opcode
 * ACPICA: Events: Add runtime stub support for event APIs
 * cpuidle: dt: Add missing 'of_node_put()'
 * Bluetooth: Send HCI Set Event Mask Page 2 command only when needed
 * iio: magnetometer: st_magn_spi: fix spi_device_id table
 * sparc64: ldc abort during vds iso boot
 * sctp: fix recursive locking warning in sctp_do_peeloff
 * bnx2x: Allow vfs to disable txvlan offload
 * xen: avoid type warning in xchg_xen_ulong
 * skbuff: only inherit relevant tx_flags
 * perf tests: Decompress kernel module before objdump
 * net: emac: fix reset timeout with AR8035 phy
 * Fix loop device flush before configure v3
 * MIPS: kprobes: flush_insn_slot should flush only if probe initialised
 * MIPS: mm: adjust PKMAP location
 * MIPS: mm: fixed mappings: correct initialisation
 * perf/core: Correct event 

[Group.of.nepali.translators] [Bug 1752683] Re: race condition on rmm for module ldap (ldap cache)

[Launchpad Bug Tracker]

This bug was fixed in the package apache2 - 2.4.18-2ubuntu3.7

---
apache2 (2.4.18-2ubuntu3.7) xenial; urgency=medium

  * Avoid crashes, hangs and loops by fixing mod_ldap locking: (LP: #1752683)
- added debian/patches/util_ldap_cache_lock_fix.patch

 -- Rafael David Tinoco   Thu, 01 Mar 2018
18:29:12 +

** Changed in: apache2 (Ubuntu Xenial)
   Status: Fix Committed => Fix Released

** Changed in: apache2 (Ubuntu Trusty)
   Status: Fix Committed => Fix Released

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Title:
  race condition on rmm for module ldap (ldap cache)

Status in Apache2 Web Server:
  Fix Released
Status in apache2 package in Ubuntu:
  Fix Released
Status in apache2 source package in Trusty:
  Fix Released
Status in apache2 source package in Xenial:
  Fix Released
Status in apache2 source package in Artful:
  Fix Released
Status in apache2 source package in Bionic:
  Fix Released

Bug description:
  [Impact]

   * Apache users using ldap module might face this if using multiple
  threads and shared memory activated for apr memory allocator (default
  in Ubuntu).

  [Test Case]

   * Configure apache to use ldap module, for authentication e.g., and wait for 
the race condition to happen.
   * Analysis made out of a dump from a production environment.
   * Bug has been reported multiple times upstream in the past 10 years.

  [Regression Potential]

   * ldap module has broken locking mechanism when using apr mem mgmt.
   * ldap would continue to have broken locking mechanism.
   * race conditions could still exist.
   * could could brake ldap module.
   * patch is upstreamed in next version to be released.

  [Other Info]
   
  ORIGINAL CASE DESCRIPTION:

  Problem summary:

  apr_rmm_init acts as a relocatable memory management initialization

  it is used in: mod_auth_digest and util_ldap_cache

  From the dump was brought to my knowledge, in the following sequence:

  - util_ldap_compare_node_copy()
  - util_ald_strdup()
  - apr_rmm_calloc()
  - find_block_of_size()

  Had a "cache->rmm_addr" with no lock at "find_block_of_size()"

  cache->rmm_addr->lock { type = apr_anylock_none }

  And an invalid "next" offset (out of rmm->base->firstfree).

  This rmm_addr was initialized with NULL as a locking mechanism:

  From apr-utils:

  apr_rmm_init()

  if (!lock) {  <-- 2nd 
argument to apr_rmm_init()
  nulllock.type = apr_anylock_none; <--- found in the dump
  nulllock.lock.pm = NULL;
  lock = 
  }

  From apache:

  # mod_auth_digest

  sts = apr_rmm_init(_rmm,
     NULL, /* no lock, we'll do the locking ourselves */
     apr_shm_baseaddr_get(client_shm),
     shmem_size, ctx);

  # util_ldap_cache

  result = apr_rmm_init(>cache_rmm, NULL,
    apr_shm_baseaddr_get(st->cache_shm), size,
    st->pool);

  It appears that the ldap module chose to use "rmm" for memory allocation, 
using
  the shared memory approach, but without explicitly definiting a lock to it.
  Without it, its up to the caller to guarantee that there are locks for rmm
  synchronization (just like mod_auth_digest does, using global mutexes).

  Because of that, there was a race condition in "find_block_of_size" and a call
  touching "rmm->base->firstfree", possibly "move_block()", in a multi-threaded
  apache environment, since there were no lock guarantees inside rmm logic (lock
  was "apr_anylock_none" and the locking calls don't do anything).

  In find_block_of_size:

  apr_rmm_off_t next = rmm->base->firstfree;

  We have:

  rmm->base->firstfree
   Decimal:356400
   Hex:0x57030

  But "next" turned into:

  Name : next
   Decimal:8320808657351632189
   Hex:0x737973636970653d

  Causing:

  struct rmm_block_t *blk = (rmm_block_t*)((char*)rmm->base +
  next);

  if (blk->size == size)

  To segfault.

  Upstream bugs:

  https://bz.apache.org/bugzilla/show_bug.cgi?id=58483
  https://bz.apache.org/bugzilla/show_bug.cgi?id=60296
  https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=814980#15

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[Group.of.nepali.translators] [Bug 1752683] Re: race condition on rmm for module ldap (ldap cache)

[Launchpad Bug Tracker]

This bug was fixed in the package apache2 - 2.4.27-2ubuntu4

---
apache2 (2.4.27-2ubuntu4) artful; urgency=medium

  * Avoid crashes, hangs and loops by fixing mod_ldap locking: (LP: #1752683)
- added debian/patches/util_ldap_cache_lock_fix.patch

 -- Rafael David Tinoco   Fri, 02 Mar 2018
02:14:42 +

** Changed in: apache2 (Ubuntu Artful)
   Status: Fix Committed => Fix Released

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Title:
  race condition on rmm for module ldap (ldap cache)

Status in Apache2 Web Server:
  Fix Released
Status in apache2 package in Ubuntu:
  Fix Released
Status in apache2 source package in Trusty:
  Fix Released
Status in apache2 source package in Xenial:
  Fix Released
Status in apache2 source package in Artful:
  Fix Released
Status in apache2 source package in Bionic:
  Fix Released

Bug description:
  [Impact]

   * Apache users using ldap module might face this if using multiple
  threads and shared memory activated for apr memory allocator (default
  in Ubuntu).

  [Test Case]

   * Configure apache to use ldap module, for authentication e.g., and wait for 
the race condition to happen.
   * Analysis made out of a dump from a production environment.
   * Bug has been reported multiple times upstream in the past 10 years.

  [Regression Potential]

   * ldap module has broken locking mechanism when using apr mem mgmt.
   * ldap would continue to have broken locking mechanism.
   * race conditions could still exist.
   * could could brake ldap module.
   * patch is upstreamed in next version to be released.

  [Other Info]
   
  ORIGINAL CASE DESCRIPTION:

  Problem summary:

  apr_rmm_init acts as a relocatable memory management initialization

  it is used in: mod_auth_digest and util_ldap_cache

  From the dump was brought to my knowledge, in the following sequence:

  - util_ldap_compare_node_copy()
  - util_ald_strdup()
  - apr_rmm_calloc()
  - find_block_of_size()

  Had a "cache->rmm_addr" with no lock at "find_block_of_size()"

  cache->rmm_addr->lock { type = apr_anylock_none }

  And an invalid "next" offset (out of rmm->base->firstfree).

  This rmm_addr was initialized with NULL as a locking mechanism:

  From apr-utils:

  apr_rmm_init()

  if (!lock) {  <-- 2nd 
argument to apr_rmm_init()
  nulllock.type = apr_anylock_none; <--- found in the dump
  nulllock.lock.pm = NULL;
  lock = 
  }

  From apache:

  # mod_auth_digest

  sts = apr_rmm_init(_rmm,
     NULL, /* no lock, we'll do the locking ourselves */
     apr_shm_baseaddr_get(client_shm),
     shmem_size, ctx);

  # util_ldap_cache

  result = apr_rmm_init(>cache_rmm, NULL,
    apr_shm_baseaddr_get(st->cache_shm), size,
    st->pool);

  It appears that the ldap module chose to use "rmm" for memory allocation, 
using
  the shared memory approach, but without explicitly definiting a lock to it.
  Without it, its up to the caller to guarantee that there are locks for rmm
  synchronization (just like mod_auth_digest does, using global mutexes).

  Because of that, there was a race condition in "find_block_of_size" and a call
  touching "rmm->base->firstfree", possibly "move_block()", in a multi-threaded
  apache environment, since there were no lock guarantees inside rmm logic (lock
  was "apr_anylock_none" and the locking calls don't do anything).

  In find_block_of_size:

  apr_rmm_off_t next = rmm->base->firstfree;

  We have:

  rmm->base->firstfree
   Decimal:356400
   Hex:0x57030

  But "next" turned into:

  Name : next
   Decimal:8320808657351632189
   Hex:0x737973636970653d

  Causing:

  struct rmm_block_t *blk = (rmm_block_t*)((char*)rmm->base +
  next);

  if (blk->size == size)

  To segfault.

  Upstream bugs:

  https://bz.apache.org/bugzilla/show_bug.cgi?id=58483
  https://bz.apache.org/bugzilla/show_bug.cgi?id=60296
  https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=814980#15

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[Group.of.nepali.translators] [Bug 1730550] Re: e1000e in 4.4.0-97-generic breaks 82574L under heavy load.

[Po-Hsu Lin]

I think the status for this bug should be "Fix Released" now.


** Changed in: linux (Ubuntu)
   Status: In Progress => Fix Released

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Title:
  e1000e in 4.4.0-97-generic breaks 82574L under heavy load.

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Xenial:
  Fix Released
Status in linux source package in Zesty:
  Won't Fix
Status in linux source package in Artful:
  Fix Released

Bug description:
  
  == SRU Justification ==
  This issue was first reported on the netdev email list by Lennart Sorensen:
  https://www.mail-archive.com/netdev@vger.kernel.org/msg178170.html

  Commit 16ecba59bc333d6282ee057fb02339f77a880beb causes link drops on
  the 82574L under heavy load.

  "Unfortunately this commit changed the driver to assume
  that the Other Causes interrupt can only mean link state change and
  hence sets the flag that (unfortunately) means both link is down and link
  state should be checked. Since this now happens 3000 times per second,
  the chances of it happening while the watchdog_task is checking the link
  state becomes pretty high, and it if does happen to coincice, then the
  watchdog_task will reset the adapter, which causes a real loss of link."

  The original reported experienced this issue on a Supermicro X7SPA-HF-D525 
server board. 
  However, the bug is now seen on many servers running X9DBL-1F server boards. 

  This bug is fixed by commits 19110cfbb34 and 4aea7a5c5e9, which were both 
added
  to mainline in v4.15-rc1.

  The commit that introduced this bug,16ecba5, was added to mainlien in 
v4.5-rc1.  However,
  Xenial recived this commit as well as commit 531ff577a.  Bionic master-next 
does not need
  these commits, since it got them via bug 1735843 and the 4.14.3 updates.

  == Fixes ==
  19110cfbb34 ("e1000e: Separate signaling for link check/link up")
  4aea7a5c5e9 ("e1000e: Avoid receiver overrun interrupt bursts")

  == Regression Potential ==
  These commits are specific to e1000.

  == Test Case ==
  A test kernel was built with these patches and tested by the original bug 
reporter.
  The bug reporter states the test kernel resolved the bug.


  == Original Bug Descriptio ==
  This issue was first reported on the netdev email list by Lennart Sorensen:
  https://www.mail-archive.com/netdev@vger.kernel.org/msg178170.html

  Commit 16ecba59bc333d6282ee057fb02339f77a880beb causes link drops on
  the 82574L under heavy load.

  "Unfortunately this commit changed the driver to assume
  that the Other Causes interrupt can only mean link state change and
  hence sets the flag that (unfortunately) means both link is down and link
  state should be checked.  Since this now happens 3000 times per second,
  the chances of it happening while the watchdog_task is checking the link
  state becomes pretty high, and it if does happen to coincice, then the
  watchdog_task will reset the adapter, which causes a real loss of link."

  A fix for this issue was accepted into the net-next branch, along with
  other e1000e/igb patches:
  https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-
  next.git/commit/?id=f44dea3421b47d355a835e9cfcc59ca7318575a9

  The original reported experienced this issue on a Supermicro X7SPA-
  HF-D525 server board. We see this issue on many servers running X9DBL-
  1F server boards. Both boards use the Intel 82574L for the network
  interfaces.  We see messages like this under heavy load:

  [Nov 6 15:42] e1000e: eth0 NIC Link is Down
  [  +0.001670] e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow 
Control: Rx/Tx
  [Nov 6 16:10] e1000e: eth0 NIC Link is Down
  [  +0.008505] e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow 
Control: Rx/Tx
  [Nov 7 00:49] e1000e: eth0 NIC Link is Down
  [  +2.235111] e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow 
Control: Rx/Tx

  We have confirmed that the connected switch sees the link drops also,
  to these are not false alarms from the e1000e driver.

  # lsb_release -rd
  Description:  Ubuntu 16.04.2 LTS
  Release:  16.04

  I could not cleanly apply the net-next patch to 4.4.0 so I tested with just 
the following cherry picked changes on the latest 4.4.0 kernel source package.
  https://patchwork.ozlabs.org/patch/823942/
  https://patchwork.ozlabs.org/patch/823945/
  https://patchwork.ozlabs.org/patch/823940/
  https://patchwork.ozlabs.org/patch/823941/
  https://patchwork.ozlabs.org/patch/823939/

  Although it's my understanding the first two are the critical ones for
  the race condition. I have been running with the patches e1000e kernel
  driver, under network load for 7 days and I no longer see the network
  interface drops.

  Could we pull these changes into the Ubuntu 4.4.0 kernel ?

  Thanks
  ---
  AlsaDevices:
   total 0
   

[Group.of.nepali.translators] [Bug 1759821] Re: Dell XPS 13 9360 bluetooth scan can not detect any device

[Po-Hsu Lin]

I think the bug status for this is "Fix released" now.

** Changed in: linux (Ubuntu)
   Status: In Progress => Fix Released

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Title:
  Dell XPS 13 9360 bluetooth scan can not detect any device

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Xenial:
  Fix Released

Bug description:
  == SRU Justification ==
  This bug currently exists in the 4.4.0-118 -proposed kernel.  Due to this
  bug, a Dell XPS 13 9360 bluetooth scan can not detect any devices.

  This regression was caused by mainline commit fd865802c6.  This commit was 
reverted
  in mainline by the requested commit, 7d06d5895c15.  This commit was already 
  reverted in upstream stable 4.4.116 by commit: 356c942.  However, Xenial 
-proposed only 
  has up to the 4.4.114 stable updates.  This regression has been in the 4.4 
kernel 
  since 4.4.110(Ubuntu 4.4.0-117).

  
  == Fix ==
  7d06d5895c15 ("Revert "Bluetooth: btusb: fix QCA Rome suspend/resume"")

  == Regression Potential ==
  Low.  This revert was also cc'd to upstream stable and is in the upstream 
4.4.y
  kernel.  This revert should happen to prevent a regression from moving to 
-updates
  from -proposed.

  == Test Case ==
  A test kernel was built with this patch and tested by the original bug 
reporter.
  The bug reporter states the test kernel resolved the bug.



  Dell XPS 13 9360
  (CID 201606-22355)

  Image: OEM pre-installed image
  Kernel: 4.4.0-117-generic #141-Ubuntu SMP Tue Mar 13 11:58:07 UTC 2018 x86_64 
x86_64 x86_64 GNU/Linux

  Click the bluetooth applet and try to add bt devices. The long
  scanning (> 5 mins) gets nothing.

  Reproducing rate: 100%

  [More Information]

  ubuntu@201606-22355:~$ lspci -nn
  00:00.0 Host bridge [0600]: Intel Corporation Device [8086:5904] (rev 02)
  00:02.0 VGA compatible controller [0300]: Intel Corporation Device 
[8086:5916] (rev 02)
  00:04.0 Signal processing controller [1180]: Intel Corporation Skylake 
Processor Thermal Subsystem [8086:1903] (rev 02)
  00:14.0 USB controller [0c03]: Intel Corporation Sunrise Point-LP USB 3.0 
xHCI Controller [8086:9d2f] (rev 21)
  00:14.2 Signal processing controller [1180]: Intel Corporation Sunrise 
Point-LP Thermal subsystem [8086:9d31] (rev 21)
  00:15.0 Signal processing controller [1180]: Intel Corporation Sunrise 
Point-LP Serial IO I2C Controller [8086:9d60] (rev 21)
  00:15.1 Signal processing controller [1180]: Intel Corporation Sunrise 
Point-LP Serial IO I2C Controller [8086:9d61] (rev 21)
  00:16.0 Communication controller [0780]: Intel Corporation Sunrise Point-LP 
CSME HECI [8086:9d3a] (rev 21)
  00:1c.0 PCI bridge [0604]: Intel Corporation Device [8086:9d10] (rev f1)
  00:1c.4 PCI bridge [0604]: Intel Corporation Sunrise Point-LP PCI Express 
Root Port [8086:9d14] (rev f1)
  00:1c.5 PCI bridge [0604]: Intel Corporation Sunrise Point-LP PCI Express 
Root Port [8086:9d15] (rev f1)
  00:1d.0 PCI bridge [0604]: Intel Corporation Device [8086:9d18] (rev f1)
  00:1f.0 ISA bridge [0601]: Intel Corporation Device [8086:9d58] (rev 21)
  00:1f.2 Memory controller [0580]: Intel Corporation Sunrise Point-LP PMC 
[8086:9d21] (rev 21)
  00:1f.3 Audio device [0403]: Intel Corporation Device [8086:9d71] (rev 21)
  00:1f.4 SMBus [0c05]: Intel Corporation Sunrise Point-LP SMBus [8086:9d23] 
(rev 21)
  3a:00.0 Network controller [0280]: Qualcomm Atheros QCA6174 802.11ac Wireless 
Network Adapter [168c:003e] (rev 32)
  3b:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS525A PCI 
Express Card Reader [10ec:525a] (rev 01)
  3c:00.0 Non-Volatile memory controller [0108]: Samsung Electronics Co Ltd 
NVMe SSD Controller [144d:a802] (rev 01)
  ubuntu@201606-22355:~$ rfkill list
  0: hci0: Bluetooth
  Soft blocked: no
  Hard blocked: no
  1: phy0: Wireless LAN
  Soft blocked: no
  Hard blocked: no
  ubuntu@201606-22355:~$

  So far this issue affects the following machines at least:
    - Dell XPS 13 9360 (CID 201606-22338)
    - Dell XPS 13 9360 (CID 201606-22355)
    - Dell Precision 5520 (201610-25144)
    - Dell Inspiron 7560 (201606-22349)

  -

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-117-generic 4.4.0-117.141
  ProcVersionSignature: Ubuntu 4.4.0-117.141-generic 4.4.114
  Uname: Linux 4.4.0-117-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.15
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu 1723 F pulseaudio
  Date: Thu Mar 29 18:39:27 2018
  DistributionChannelDescriptor:
   # This is a distribution channel descriptor
   # For more information see 
http://wiki.ubuntu.com/DistributionChannelDescriptor
   canonical-oem-somerville-xenial-amd64-20160624-2