[Kernel-packages] [Bug 1558447] Re: vivid/linux: total ADT test failures

2016-03-28 Thread Launchpad Bug Tracker 
** Branch linked: lp:ubuntu/trusty-proposed/linux-lts-xenial

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Title:
  vivid/linux: total ADT test failures

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

Bug description:
  vivid/linux is hanging ADT test en-toto.  We seem to lose sshd, the
  console log ends thus:

  Ubuntu 15.04 adt ttyS0

  adt login: [  240.080182] INFO: task sshd:693 blocked for more than 120 
seconds.
  [  240.081937]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.083413] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.085791] INFO: task sshd:760 blocked for more than 120 seconds.
  [  240.087441]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.088939] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.091099] INFO: task sshd:763 blocked for more than 120 seconds.
  [  240.092776]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.094232] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.096431] INFO: task sshd:765 blocked for more than 120 seconds.
  [  240.098060]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.099514] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1558447] Re: vivid/linux: total ADT test failures

2016-03-21 Thread Launchpad Bug Tracker 
This bug was fixed in the package linux - 4.4.0-15.31

---
linux (4.4.0-15.31) xenial; urgency=low

  [ Tim Gardner ]

  * Release Tracking Bug
- LP: #1559252

  * Xilinx KU3 Capi card does not show up in Ubuntu  16.04 (LP: #1557001)
- SAUCE: (noup) cxl: Allow initialization on timebase sync failures

  * policy namespace stacking (LP: #1379535)
- Revert "UBUNTU: SAUCE: Move replacedby allocation into label_alloc"
- Revert "UBUNTU: SAUCE: Fixup: __label_update() still doesn't handle some 
cases correctly."
- Revert "UBUNTU: SAUCE: fix: audit "no_new_privs" case for exec failure"
- Revert "UBUNTU: SAUCE: fixup: warning about aa_label_vec_find_or_create 
not being static"
- Revert "UBUNTU: SAUCE: apparmor: fix refcount race when finding a child 
profile"
- Revert "UBUNTU: SAUCE: fixup: cast poison values to remove warnings"
- Revert "UBUNTU: SAUCE: fixup: get rid of unused var build warning"
- Revert "UBUNTU: SAUCE: fixup: 20/23 locking issue around in 
__label_update"
- Revert "UBUNTU: SAUCE: fixup: make __share_replacedby private to get rid 
of build warning"
- Revert "UBUNTU: SAUCE: fix: replacedby forwarding is not being properly 
update when ns is destroyed"
- Revert "UBUNTU: SAUCE: apparmor: fix log of apparmor audit message when 
kern_path() fails"
- Revert "UBUNTU: SAUCE: fixup: cleanup return handling of labels"
- Revert "UBUNTU: SAUCE: apparmor: fix: ref count leak when profile sha1 
hash is read"
- Revert "UBUNTU: SAUCE: apparmor: Fix: query label file permission"
- Revert "UBUNTU: SAUCE: apparmor: Don't remove label on rcu callback if 
the label has already been removed"
- Revert "UBUNTU: SAUCE: apparmor: Fix: break circular refcount for label 
that is directly freed."
- Revert "UBUNTU: SAUCE: apparmor: Fix: refcount bug when inserting label 
update that transitions ns"
- Revert "UBUNTU: SAUCE: apparmor: Fix: now that insert can force 
replacement use it instead of remove_and_insert"
- Revert "UBUNTU: SAUCE: apparmor Fix: refcount bug in pivotroot mediation"
- Revert "UBUNTU: SAUCE: apparmor: ensure that repacedby sharing is done 
correctly"
- Revert "UBUNTU: SAUCE: apparmor: Fix: update replacedby allocation to 
take a gfp parameter"
- Revert "UBUNTU: SAUCE: apparmor: Fix: convert replacedby update to be 
protected by the labelset lock"
- Revert "UBUNTU: SAUCE: apparmor: Fix: add required locking of 
__aa_update_replacedby on merge path"
- Revert "UBUNTU: SAUCE: apparmor: Fix: deadlock in aa_put_label() call 
chain"
- Revert "UBUNTU: SAUCE: apparmor: Fix: label_vec_merge insertion"
- Revert "UBUNTU: SAUCE: apparmor: Fix: ensure new labels resulting from 
merge have a replacedby"
- Revert "UBUNTU: SAUCE: apparmor: Fix: refcount leak in aa_label_merge"
- Revert "UBUNTU: SAUCE: apparmor: Fix: refcount race between locating in 
labelset and get"
- Revert "UBUNTU: SAUCE: apparmor: Fix: label merge handling of marking 
unconfined and stale"
- Revert "UBUNTU: SAUCE: apparmor: add underscores to indicate 
aa_label_next_not_in_set() use needs locking"
- Revert "UBUNTU: SAUCE: apparmor: debug: POISON label and replaceby 
pointer on free"
- Revert "UBUNTU: SAUCE: apparmor: Fix: ensure aa_get_newest will trip 
debugging if the replacedby is not setup"
- Revert "UBUNTU: SAUCE: apparmor: Fix: insert race between label_update 
and label_merge"
- Revert "UBUNTU: SAUCE: apparmor: rework retrieval of the current label in 
the profile update case"
- Revert "UBUNTU: SAUCE: apparmor: Disallow update of cred when then 
subjective != the objective cred"
- Revert "UBUNTU: SAUCE: apparmor: Fix: oops do to invalid null ptr deref 
in label print fns"
- Revert "UBUNTU: SAUCE: fix-up: kern_mount fail path should not be doing 
put_buffers()"
- Revert "UBUNTU: SAUCE: apparmor: fix sleep from invalid context"
- Revert "UBUNTU: SAUCE: (no-up): apparmor: fix for failed mediation of 
socket that is being shutdown"
- Revert "UBUNTU: SAUCE: (no-up) apparmor: Fix incompatible pointer type 
warnings"
- Revert "UBUNTU: SAUCE: (no-up) apparmor: fix mount not handling 
disconnected paths"
- Revert "UBUNTU: SAUCE: (no-up): apparmor: fix mediation of fs unix 
sockets"
- Revert "UBUNTU: apparmor -- follow change to this_cpu_ptr"
- Revert "UBUNTU: SAUCE: (no-up) fix: bad unix_addr_fs macro"
- Revert "UBUNTU: SAUCE: Revert: fix: only allow a single threaded process 
to ..."
- Revert "UBUNTU: SAUCE: (no-up) apparmor: Sync to apparmor3 - RC1 snapshot"
- Revert "UBUNTU: SAUCE: (no-up) apparmor: add parameter to control whether 
policy hashing is used"
- SAUCE: (no-up) apparmor: sync of apparmor3.5-beta1 snapshot
- SAUCE: add a sysctl to enable unprivileged user ns AppArmor policy loading

  * Add arm64 NUMA support (LP: #1558765)
- SAUCE: (noup) efi: ARM/arm64: ignore DT memory nodes instead of removing 
them
- SAUCE:

[Kernel-packages] [Bug 1558447] Re: vivid/linux: total ADT test failures

2016-03-19 Thread hackeron 
Experiencing the same :( - any workaround?

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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1558447

Title:
  vivid/linux: total ADT test failures

Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Vivid:
  Confirmed

Bug description:
  vivid/linux is hanging ADT test en-toto.  We seem to lose sshd, the
  console log ends thus:

  Ubuntu 15.04 adt ttyS0

  adt login: [  240.080182] INFO: task sshd:693 blocked for more than 120 
seconds.
  [  240.081937]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.083413] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.085791] INFO: task sshd:760 blocked for more than 120 seconds.
  [  240.087441]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.088939] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.091099] INFO: task sshd:763 blocked for more than 120 seconds.
  [  240.092776]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.094232] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.096431] INFO: task sshd:765 blocked for more than 120 seconds.
  [  240.098060]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.099514] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1558447/+subscriptions

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[Kernel-packages] [Bug 1558447] Re: vivid/linux: total ADT test failures

2016-03-19 Thread Launchpad Bug Tracker 
Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: linux (Ubuntu Vivid)
   Status: New => Confirmed

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You received this bug notification because you are a member of Kernel
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Title:
  vivid/linux: total ADT test failures

Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Vivid:
  Confirmed

Bug description:
  vivid/linux is hanging ADT test en-toto.  We seem to lose sshd, the
  console log ends thus:

  Ubuntu 15.04 adt ttyS0

  adt login: [  240.080182] INFO: task sshd:693 blocked for more than 120 
seconds.
  [  240.081937]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.083413] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.085791] INFO: task sshd:760 blocked for more than 120 seconds.
  [  240.087441]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.088939] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.091099] INFO: task sshd:763 blocked for more than 120 seconds.
  [  240.092776]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.094232] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.096431] INFO: task sshd:765 blocked for more than 120 seconds.
  [  240.098060]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.099514] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1558447/+subscriptions

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[Kernel-packages] [Bug 1558447] Re: vivid/linux: total ADT test failures

2016-03-19 Thread Andy Whitcroft 
Confirmed that reverting the commit below allows the kernel to boot:

  commit 5981b6969d649a4fe1d402c915eb751c1243410c
  Author: Joseph Salisbury 
  Date: Fri Mar 4 14:33:47 2016 -0500

Revert "af_unix: Revert 'lock_interruptible' in stream receive code"

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Title:
  vivid/linux: total ADT test failures

Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Vivid:
  New

Bug description:
  vivid/linux is hanging ADT test en-toto.  We seem to lose sshd, the
  console log ends thus:

  Ubuntu 15.04 adt ttyS0

  adt login: [  240.080182] INFO: task sshd:693 blocked for more than 120 
seconds.
  [  240.081937]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.083413] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.085791] INFO: task sshd:760 blocked for more than 120 seconds.
  [  240.087441]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.088939] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.091099] INFO: task sshd:763 blocked for more than 120 seconds.
  [  240.092776]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.094232] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.096431] INFO: task sshd:765 blocked for more than 120 seconds.
  [  240.098060]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.099514] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1558447/+subscriptions

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[Kernel-packages] [Bug 1558447] Re: vivid/linux: total ADT test failures

2016-03-19 Thread Joseph Salisbury 
I performed some testing and can confirm reverting commit 5981b69 in
vivid master-next does not bring back the original bug it was meant to
fix, bug 1540731 .  For confirmation, I also built a test kernel with
commit 5981b69 AND commit 0c0b98c6 reverted and the original bug did in
fact return.  I would say commit 0c0b98c6 is indeed the real fix for bug
1540731 .

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Title:
  vivid/linux: total ADT test failures

Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Vivid:
  New

Bug description:
  vivid/linux is hanging ADT test en-toto.  We seem to lose sshd, the
  console log ends thus:

  Ubuntu 15.04 adt ttyS0

  adt login: [  240.080182] INFO: task sshd:693 blocked for more than 120 
seconds.
  [  240.081937]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.083413] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.085791] INFO: task sshd:760 blocked for more than 120 seconds.
  [  240.087441]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.088939] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.091099] INFO: task sshd:763 blocked for more than 120 seconds.
  [  240.092776]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.094232] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.096431] INFO: task sshd:765 blocked for more than 120 seconds.
  [  240.098060]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.099514] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1558447/+subscriptions

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[Kernel-packages] [Bug 1558447] Re: vivid/linux: total ADT test failures

2016-03-19 Thread Joseph Salisbury 
** Tags added: kernel-da-key

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Title:
  vivid/linux: total ADT test failures

Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Vivid:
  New

Bug description:
  vivid/linux is hanging ADT test en-toto.  We seem to lose sshd, the
  console log ends thus:

  Ubuntu 15.04 adt ttyS0

  adt login: [  240.080182] INFO: task sshd:693 blocked for more than 120 
seconds.
  [  240.081937]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.083413] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.085791] INFO: task sshd:760 blocked for more than 120 seconds.
  [  240.087441]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.088939] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.091099] INFO: task sshd:763 blocked for more than 120 seconds.
  [  240.092776]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.094232] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.096431] INFO: task sshd:765 blocked for more than 120 seconds.
  [  240.098060]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.099514] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1558447/+subscriptions

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[Kernel-packages] [Bug 1558447] Re: vivid/linux: total ADT test failures

2016-03-19 Thread Stefan Bader 
That sounds about right. Confusingly the email refers to the latter
patch saying it might be fixed by that. Unfortunately it looks like the
revert has been part of the fix and we already had both in vivid when
undoing the revert was not only no longer needed but probably even fatal
without the misapply.

While looking through the current history of that file, I noticed yet
another tweak around that area. So maybe, while reverting the wrong
revert of the revert, it might be worth looking at

commit 18eceb818dc37bbc783ec7ef7703f270cc6cd281
Author: Rainer Weikusat 
Date:   Thu Feb 18 12:39:46 2016 +

af_unix: Don't use continue to re-execute unix_stream_read_generic
loop

as well...

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You received this bug notification because you are a member of Kernel
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Title:
  vivid/linux: total ADT test failures

Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Vivid:
  New

Bug description:
  vivid/linux is hanging ADT test en-toto.  We seem to lose sshd, the
  console log ends thus:

  Ubuntu 15.04 adt ttyS0

  adt login: [  240.080182] INFO: task sshd:693 blocked for more than 120 
seconds.
  [  240.081937]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.083413] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.085791] INFO: task sshd:760 blocked for more than 120 seconds.
  [  240.087441]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.088939] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.091099] INFO: task sshd:763 blocked for more than 120 seconds.
  [  240.092776]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.094232] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.096431] INFO: task sshd:765 blocked for more than 120 seconds.
  [  240.098060]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.099514] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1558447/+subscriptions

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[Kernel-packages] [Bug 1558447] Re: vivid/linux: total ADT test failures

2016-03-19 Thread hackeron 
Thank you, problem went away with latest kernel upgrade.

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Title:
  vivid/linux: total ADT test failures

Status in linux package in Ubuntu:
  Fix Committed
Status in linux source package in Vivid:
  Confirmed
Status in linux source package in Xenial:
  Fix Committed

Bug description:
  vivid/linux is hanging ADT test en-toto.  We seem to lose sshd, the
  console log ends thus:

  Ubuntu 15.04 adt ttyS0

  adt login: [  240.080182] INFO: task sshd:693 blocked for more than 120 
seconds.
  [  240.081937]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.083413] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.085791] INFO: task sshd:760 blocked for more than 120 seconds.
  [  240.087441]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.088939] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.091099] INFO: task sshd:763 blocked for more than 120 seconds.
  [  240.092776]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.094232] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.096431] INFO: task sshd:765 blocked for more than 120 seconds.
  [  240.098060]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.099514] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1558447/+subscriptions

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[Kernel-packages] [Bug 1558447] Re: vivid/linux: total ADT test failures

2016-03-18 Thread Martin Pitt 
** Also affects: linux (Ubuntu Vivid)
   Importance: Undecided
   Status: New

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

** Changed in: linux (Ubuntu Vivid)
   Importance: Undecided => High

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1558447

Title:
  vivid/linux: total ADT test failures

Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Vivid:
  New

Bug description:
  vivid/linux is hanging ADT test en-toto.  We seem to lose sshd, the
  console log ends thus:

  Ubuntu 15.04 adt ttyS0

  adt login: [  240.080182] INFO: task sshd:693 blocked for more than 120 
seconds.
  [  240.081937]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.083413] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.085791] INFO: task sshd:760 blocked for more than 120 seconds.
  [  240.087441]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.088939] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.091099] INFO: task sshd:763 blocked for more than 120 seconds.
  [  240.092776]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.094232] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.096431] INFO: task sshd:765 blocked for more than 120 seconds.
  [  240.098060]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.099514] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1558447] Re: vivid/linux: total ADT test failures

2016-03-18 Thread Andy Whitcroft 
Full console log.

** Attachment added: "CONSOLE"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1558447/+attachment/4601863/+files/CONSOLE

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Title:
  vivid/linux: total ADT test failures

Status in linux package in Ubuntu:
  New

Bug description:
  vivid/linux is hanging ADT test en-toto.  We seem to lose sshd, the
  console log ends thus:

  Ubuntu 15.04 adt ttyS0

  adt login: [  240.080182] INFO: task sshd:693 blocked for more than 120 
seconds.
  [  240.081937]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.083413] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.085791] INFO: task sshd:760 blocked for more than 120 seconds.
  [  240.087441]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.088939] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.091099] INFO: task sshd:763 blocked for more than 120 seconds.
  [  240.092776]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.094232] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.096431] INFO: task sshd:765 blocked for more than 120 seconds.
  [  240.098060]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.099514] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.

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[Kernel-packages] [Bug 1558447] Re: vivid/linux: total ADT test failures

2016-03-18 Thread Andy Whitcroft 
Reproduced this on a vivid VM.  All of the failing processes are hanging
sending data to a unix domain socket.

Tracked this down to a bad backport applied to the kernel:

  commit 5981b6969d649a4fe1d402c915eb751c1243410c
  Author: Joseph Salisbury 
  Date:   Fri Mar 4 14:33:47 2016 -0500

Revert "af_unix: Revert 'lock_interruptible' in stream receive code"

This is missing a removal of a mutex_lock() in the second stanza.
Looking at what was reviewed and acked this was present in that version.
Possibly this was damaged in application due to the presence of the
commit below:

  commit 0c0b98c6005644d1d00c8b91fbb0cea0032f99b2
  Author: Rainer Weikusat 
  Date:   Mon Feb 8 18:47:19 2016 +

af_unix: Don't set err in unix_stream_read_generic unless there was an error

Which appears to actually be the proper fix for the issue the revert is 
attempting to fix.

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Title:
  vivid/linux: total ADT test failures

Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Vivid:
  New

Bug description:
  vivid/linux is hanging ADT test en-toto.  We seem to lose sshd, the
  console log ends thus:

  Ubuntu 15.04 adt ttyS0

  adt login: [  240.080182] INFO: task sshd:693 blocked for more than 120 
seconds.
  [  240.081937]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.083413] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.085791] INFO: task sshd:760 blocked for more than 120 seconds.
  [  240.087441]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.088939] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.091099] INFO: task sshd:763 blocked for more than 120 seconds.
  [  240.092776]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.094232] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.096431] INFO: task sshd:765 blocked for more than 120 seconds.
  [  240.098060]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.099514] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1558447] Re: vivid/linux: total ADT test failures

2016-03-18 Thread Tim Gardner 
** Also affects: linux (Ubuntu Xenial)
   Importance: Undecided
   Status: Invalid

** Changed in: linux (Ubuntu Xenial)
   Status: Invalid => Fix Committed

** Changed in: linux (Ubuntu Xenial)
 Assignee: (unassigned) => Tim Gardner (timg-tpi)

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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1558447

Title:
  vivid/linux: total ADT test failures

Status in linux package in Ubuntu:
  Fix Committed
Status in linux source package in Vivid:
  Confirmed
Status in linux source package in Xenial:
  Fix Committed

Bug description:
  vivid/linux is hanging ADT test en-toto.  We seem to lose sshd, the
  console log ends thus:

  Ubuntu 15.04 adt ttyS0

  adt login: [  240.080182] INFO: task sshd:693 blocked for more than 120 
seconds.
  [  240.081937]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.083413] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.085791] INFO: task sshd:760 blocked for more than 120 seconds.
  [  240.087441]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.088939] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.091099] INFO: task sshd:763 blocked for more than 120 seconds.
  [  240.092776]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.094232] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  240.096431] INFO: task sshd:765 blocked for more than 120 seconds.
  [  240.098060]   Not tainted 3.19.0-57-generic #63-Ubuntu
  [  240.099514] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1558447/+subscriptions

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