[Kernel-packages] [Bug 1684481] Re: KVM guest execution start apparmor blocks on /dev/ptmx now (regression?)

2017-04-23 Thread ChristianEhrhardt
Thanks Stephane and Christian! Since we ... a) have a workaround by manually adding the entry to the apparmor abstraction (or dropping serial if that is an option) b) having an explicit serial in the guest profile is not the default c) KVM in LXD is more a "nice to have" solution than something

[Kernel-packages] [Bug 1656112] Re: Power S822LC (8335-GTB) fails KVM guest cert test with kvm_init_vcpu failed: Invalid argument

2017-04-26 Thread ChristianEhrhardt
Re-prepared, and merged with another SRU that was ready now. Pushed to SRU unapproved queue. P.S. Since I pretest a lot one can already look at [1]. Please do note that the iscsi dep8 test is a notorious noisy transient issue that is not related to the update, but will likely be seen in -proposed

[Kernel-packages] [Bug 1563887] Re: qemu-system-ppc64 freezes on starting image on ppc64le

2017-11-13 Thread ChristianEhrhardt
Thanks for the Detail Robin! -- 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/1563887 Title: qemu-system-ppc64 freezes on starting image on ppc64le Status in QEMU: Invalid Status in lin

[Kernel-packages] [Bug 1710019] Re: support GICv3 ITS save/restore & migration

2017-11-13 Thread ChristianEhrhardt
Note: tested version was 1:2.8+dfsg-3ubuntu2.7+lp1710019.1 -- 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/1710019 Title: support GICv3 ITS save/restore & migration Status in linux packa

[Kernel-packages] [Bug 1710019] Re: support GICv3 ITS save/restore & migration

2017-11-13 Thread ChristianEhrhardt
I have kicked off a verification run on the ppa to check the qemu in there. I passed all stages just fine, which means you are likely fine to go when you have the kernel ready. Thanks for also clarifying if we need to BP the #1731051 fix in relation to this change. Ack - Feel free to upload the

[Kernel-packages] [Bug 1732162] Re: Zesty / Artful zKVM does not have /dev/kvm

2017-11-15 Thread ChristianEhrhardt
Hi, I investigated this a bit. TL;DR - this is intentionally off by default and opt in. To use it you need: - in the host set kvm.nested=1 - depending on your other virt stack set you might need to set host-passthrough or the sief2 feature (qemu -cpu host or ...,sief2=1) Then the guest will have

[Kernel-packages] [Bug 1722702] Re: libvirt - vnc port selection regression with newer kernels

2017-11-15 Thread ChristianEhrhardt
Waiting on the kernel fix to fully release, but as we won't change libvirt updating the task. ** Changed in: libvirt (Ubuntu Artful) Status: Confirmed => Won't Fix ** Changed in: libvirt (Ubuntu) Status: Won't Fix => Fix Released -- You received this bug notification because you a

[Kernel-packages] [Bug 1722702] Re: libvirt - vnc port selection regression with newer kernels

2017-11-20 Thread ChristianEhrhardt
Since on 8th Nov you wrote "in 5 days or it will be dropped" (I verified and it was good) I expected a fix to be released already. Not super important, but can you share an ETA on this? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linu

[Kernel-packages] [Bug 1726818] Re: vagrant artful64 box filesystem too small

2017-11-20 Thread ChristianEhrhardt
Hi cking, I rarely use it, but for me (on Xenial) the following worked. $ sudo apt install vagrant virtualbox $ vagrant init ubuntu/artful64 # note that you have to elminate all KVMs before you can do the next step $ vagrant up $ vagrant ssh vagrant@ubuntu-artful:~$ df -h / Filesystem Size

[Kernel-packages] [Bug 1726818] Re: vagrant artful64 box filesystem too small

2017-11-20 Thread ChristianEhrhardt
With the above in comment #17 I see the limited size after boot and the crash in dmesg. But then a repro with $ sudo resize2fs /dev/sda1 doesn't work - well it works, but that is the problem it works to resize without triggering the issue "again". -- You received this bug notification because

[Kernel-packages] [Bug 1734326] Re: qemu-kvm in zesty proposed failed with KVM_GET_DEVICE_ATTR failed error

2017-11-24 Thread ChristianEhrhardt
This likely is due to the major backport action in bug 1710019. This SRU is stalled anyway by disagreement of kernel and hwe - so I've asked to cancel it from -proposed and take some time to take a look. Thanks for the report - it helped to catch that before being released. ** Changed in: qemu-k

[Kernel-packages] [Bug 1710019] Re: support GICv3 ITS save/restore & migration

2017-11-24 Thread ChristianEhrhardt
Hi Dann, maybe it was good to hold off on this. It seems it causes a regression on arm, see bug 1734326. Also by holding for an arbitrary amount of time it might block the SRU queue for something else. If you agree I'd ask you to let the SRU team cancel the upload from proposed. And you can then

[Kernel-packages] [Bug 1734326] Re: qemu-kvm in zesty proposed failed with KVM_GET_DEVICE_ATTR failed error

2017-11-29 Thread ChristianEhrhardt
After discussion the offfending change in zesty-proposed will be cancelled. Once done I'll set this to "Fix Released" (even thou it is the non-release that fixes it). -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https:

[Kernel-packages] [Bug 1734326] Re: qemu-kvm in zesty proposed failed with KVM_GET_DEVICE_ATTR failed error

2017-11-30 Thread ChristianEhrhardt
Cancelled from proposed, done ... ** Changed in: qemu-kvm (Ubuntu) Status: Confirmed => Fix Released -- 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/1734326 Title: qemu-kvm in zes

[Kernel-packages] [Bug 1710019] Re: support GICv3 ITS save/restore & migration

2017-11-30 Thread ChristianEhrhardt
Thanks Andy, I pushed a revert to qemu's packaging git to ensure there is no accidential upload of the same content on the next zesty SRU. @Dannf - once you had time to sort out the acceptance for the zesty kernel as well as this regressions and come to want to push this again let us know. I set

[Kernel-packages] [Bug 1710019] Re: support GICv3 ITS save/restore & migration

2017-12-06 Thread ChristianEhrhardt
@Kleber - that would mean we also want to ping Po-Hsu for a bug 1734326 retest? He would need a ppa for that - @Dannf do you still have that in a ppa for him to test against the kernel in proposed? -- You received this bug notification because you are a member of Kernel Packages, which is subscr

[Kernel-packages] [Bug 1710019] Re: support GICv3 ITS save/restore & migration

2017-12-06 Thread ChristianEhrhardt
Oh I see that was artful, thanks dannf for clarifiaction. So no reasons to move on bug 1734326 unless you come back having it analyzed then. -- 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/

[Kernel-packages] [Bug 1718227] Re: replacement of ifupdown with netplan needs integration for /etc/network/if{up, down}.d scripts

2018-03-22 Thread ChristianEhrhardt
Any update on the integration of networkd-dispatcher or a similar technology to allow the dependent packages to use that? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to ubuntu-fan in Ubuntu. https://bugs.launchpad.net/bugs/1718227 Title:

[Kernel-packages] [Bug 1739665] Re: [FFE][Feature] KVM CLX avx512_vnni

2018-03-22 Thread ChristianEhrhardt
Hi, For Qemu this needs a a feature freeze exception for the qemu change was identified after 1st of March. Sorry, I missed the update with the upstream sha for a bit, otherwise I'd have marked it as FFE earlier, but IMHO it is no problem. The patch is rather small and does not imply extra danger

[Kernel-packages] [Bug 1742892] Re: [Power 9] ISST-LTE:KVM:Ubuntu1804:BostonLC:boslcp3: Unable to start the guest with more than 1 thread on ubuntu1804 KVM host machine.

2018-01-29 Thread ChristianEhrhardt
If you want to experiment with early qemu 2.11 on this take a look at the ppa at: https://launchpad.net/~ci-train-ppa-service/+archive/ubuntu/3108 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net

[Kernel-packages] [Bug 1712803] Re: spapr_hcall from ubuntu_kvm_unit_test failed on ppc64el with Z-hwe kernel

2018-02-01 Thread ChristianEhrhardt
Current is 1:2.5+dfsg-5ubuntu10.16, and while there is a security update for 1:2.5+dfsg-5ubuntu10.17 incoming we can - as discussed - test from a ppa. To stay ahead of the soon to be expected 1:2.5+dfsg-5ubuntu10.17 I'll call mine 1:2.5+dfsg-5ubuntu10.18~ppa1 (actually skipping 17 for now so you s

[Kernel-packages] [Bug 1712803] Re: spapr_hcall from ubuntu_kvm_unit_test failed on ppc64el with Z-hwe kernel

2018-02-01 Thread ChristianEhrhardt
** Description changed: + [Impact] + + * Xenial with HWE kernel (matching new relesaes) and qemu without cloud +archive (not matching new releases) could trigger hypercalls that are +not supported in xenials-qemu. + + * There is no "real" case other than kvm tests yet to trigger it ye

[Kernel-packages] [Bug 1712803] Re: spapr_hcall from ubuntu_kvm_unit_test failed on ppc64el with Z-hwe kernel

2018-02-01 Thread ChristianEhrhardt
Prepped SRU template here in the bug, also the builds in the ppa are complete. -- 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/1712803 Title: spapr_hcall from ubuntu_kvm_unit_test failed

[Kernel-packages] [Bug 1712803] Re: spapr_hcall from ubuntu_kvm_unit_test failed on ppc64el with Z-hwe kernel

2018-02-01 Thread ChristianEhrhardt
Also passed all regression tests on ppc without a hickup. Other than waiting for the security update to pass we are ready. -- 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/1712803 Title: s

[Kernel-packages] [Bug 1718227] Re: replacement of ifupdown with netplan needs integration for /etc/network/if{up, down}.d scripts

2018-02-07 Thread ChristianEhrhardt
FYI: The discussion in https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=889010 nicely outlined that we rely on those hooks in chrony. That makes having them working critical for 18.04 to have it working correctly for late or changing network topology. We (cyphermox and me) discussed how I could

[Kernel-packages] [Bug 1712803] Re: spapr_hcall from ubuntu_kvm_unit_test failed on ppc64el with Z-hwe kernel

2018-02-08 Thread ChristianEhrhardt
I refreshed the tested changes on top of the security update and pushed it for SRU review into Xenial. ** Changed in: qemu (Ubuntu Xenial) Status: Triaged => In Progress -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubun

[Kernel-packages] [Bug 1712803] Re: spapr_hcall from ubuntu_kvm_unit_test failed on ppc64el with Z-hwe kernel

2018-02-08 Thread ChristianEhrhardt
Waiting for the SRU Team to ack it into x-proposed now -- 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/1712803 Title: spapr_hcall from ubuntu_kvm_unit_test failed on ppc64el with Z-hwe

[Kernel-packages] [Bug 1742892] Re: [Power 9] ISST-LTE:KVM:Ubuntu1804:BostonLC:boslcp3: Unable to start the guest with more than 1 thread on ubuntu1804 KVM host machine.

2018-02-13 Thread ChristianEhrhardt
2.11 is now in Bionic - you don't need the ppa anymore to test this. Looking forward to hear from that test. -- 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/1742892 Title: [Power 9] ISST-

[Kernel-packages] [Bug 1712803] Re: spapr_hcall from ubuntu_kvm_unit_test failed on ppc64el with Z-hwe kernel

2018-02-14 Thread ChristianEhrhardt
On Xenial + HWE as-is: ubuntu@wichita:~/kvm-unit-tests$ sudo ./run_tests.sh -v; cat logs/spapr_hcall.log TESTNAME=selftest-setup TIMEOUT=90s ACCEL= ./powerpc/run powerpc/selftest.elf -smp 2 -m 256 -append 'setup smp=2 mem=256' PASS selftest-setup TESTNAME=spapr_hcall TIMEOUT=90s ACCEL= ./powerp

[Kernel-packages] [Bug 1742892] Re: [Power 9] ISST-LTE:KVM:Ubuntu1804:BostonLC:boslcp3: Unable to start the guest with more than 1 thread on ubuntu1804 KVM host machine.

2018-02-15 Thread ChristianEhrhardt
Thanks Indira for the retest with the new versions. And if I am reading it correct that means the libvirt/qemu uploads fixed this issue in 18.04. ** Changed in: qemu (Ubuntu) Status: Incomplete => Fix Released -- You received this bug notification because you are a member of Kernel Packa

[Kernel-packages] [Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

2018-02-22 Thread ChristianEhrhardt
Hi Po-Hsu, are you still debugging this - or do you want to ask this to be mirrored to IBM? It could again be something that is only working in latter versions - and depending on the change we might (or not) backport the fix. -- You received this bug notification because you are a member of Kern

[Kernel-packages] [Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

2018-02-22 Thread ChristianEhrhardt
I think there is no general "mirror all" policy. It just seems to me that this is requiring an architecture expert which would be at IBM. I'll subscribe manoj/jfh and let them decide. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux

[Kernel-packages] [Bug 1752026] Re: Ubuntu18.04:POWER9:DD2.2 - Unable to start a KVM guest with default machine type(pseries-bionic) complaining "KVM implementation does not support Transactional Memo

2018-02-27 Thread ChristianEhrhardt
For 1. I mostly agree, the default is currently off in code and in 2.11 there is this for backwards compatability: smc->default_caps.caps[SPAPR_CAP_HTM] = SPAPR_CAP_ON; We would have to - Moving that "keep the old default" entry to 2.10 (to cover <=2.10) spapr_machine_2_10_class_options sm

[Kernel-packages] [Bug 1752026] Re: Ubuntu18.04:POWER9:DD2.2 - Unable to start a KVM guest with default machine type(pseries-bionic) complaining "KVM implementation does not support Transactional Memo

2018-02-28 Thread ChristianEhrhardt
Sorry, but to be sure is that a clear "yes please disable HTM by default in qemu on ppc64el for Ubuntu 18.04" ? -- 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/1752026 Title: Ubuntu18.04:

[Kernel-packages] [Bug 1752026] Re: Ubuntu18.04:POWER9:DD2.2 - Unable to start a KVM guest with default machine type(pseries-bionic) complaining "KVM implementation does not support Transactional Memo

2018-03-01 Thread ChristianEhrhardt
To the mini-discussion above - yes it would be default off on P8 as well then. But by selecting an older machine type, or - even better - using the new type but with cap-htm=on Starting the fix in qemu early next week then (the one outlined as (A) in comment #4. ** Changed in: qemu (Ubuntu)

[Kernel-packages] [Bug 1752026] Re: Ubuntu18.04:POWER9:DD2.2 - Unable to start a KVM guest with default machine type(pseries-bionic) complaining "KVM implementation does not support Transactional Memo

2018-03-06 Thread ChristianEhrhardt
FYI: There is bug 1753826 which postponed the release/testing of this one a bit. Currently in rebuild/test together. -- 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/1752026 Title: Ubuntu1

[Kernel-packages] [Bug 1752026] Re: Ubuntu18.04:POWER9:DD2.2 - Unable to start a KVM guest with default machine type(pseries-bionic) complaining "KVM implementation does not support Transactional Memo

2018-03-06 Thread ChristianEhrhardt
BTW - tests on P8 are already good on my side, and since the request from IBM came fro P9 I have to assume it will be good there. But e.g. cross release migration X->B and such I had tested explicitly to be sure. That said, please be aware that this will be a remaining "itch" for you at the curre

[Kernel-packages] [Bug 1752026] Re: Ubuntu18.04:POWER9:DD2.2 - Unable to start a KVM guest with default machine type(pseries-bionic) complaining "KVM implementation does not support Transactional Memo

2018-03-06 Thread ChristianEhrhardt
Fix pushed to bionic proposed, I'll track migration after it built and some time for the tests have passed. -- 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/1752026 Title: Ubuntu18.04:POWE

[Kernel-packages] [Bug 1736947] Re: Very long boot time with Chelsio T320 10GBASE-R RNIC adapter

2018-03-12 Thread ChristianEhrhardt
rdma-core is on 17.0-1 in latest Debian and Ubuntu Bionic 18.04. This includes there fix as also outlined by bdrung. Therefore setting this to fix released. ** Changed in: rdma-core (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Ker

[Kernel-packages] [Bug 1481038] Re: iproute2 crashes being reported since kernel version 3.13-0-59-generic

2017-09-28 Thread ChristianEhrhardt
Per former comments and no new related issues closing the bug to clean up. ** Changed in: iproute2 (Ubuntu) Status: Triaged => Invalid ** Changed in: iproute2 (Ubuntu Trusty) Status: Triaged => Invalid ** Changed in: linux (Ubuntu) Status: Triaged => Invalid ** Changed in:

[Kernel-packages] [Bug 1722702] Re: bind port regression

2017-10-11 Thread ChristianEhrhardt
Hi, I have seen this issue once but never found a root cause when trying to reproduce. I ended up with one system showing the behavior you mentioned and others not without seeing the difference why. I thank you a lot to throw in the info that in your case it is the changing kernel version that b

[Kernel-packages] [Bug 1722702] Re: libvirt - vnc port selection regression with newer kernels

2017-10-11 Thread ChristianEhrhardt
Duping my bug (with the failed repro) onto this. -- 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/1722702 Title: libvirt - vnc port selection regression with newer kernels Status in libvi

[Kernel-packages] [Bug 1722702] Re: libvirt - vnc port selection regression with newer kernels

2017-10-11 Thread ChristianEhrhardt
There is no apport collect needed, this is known upstream and applies to all >=4.11 - fix is in 4.14-rc2 but should be part of 4.13 on release to avoid regressions in more programs. ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed ** Changed in: libvirt (Ubuntu) Status:

[Kernel-packages] [Bug 1722702] Re: libvirt - vnc port selection regression with newer kernels

2017-10-11 Thread ChristianEhrhardt
I'd ask the kernel Team to integrate the following changes into our 4.13 kernel release to avoid any sort of update-regressions related to SO_REUSEPORT [1] - Reproducer [2] without libvirt, how to use in [3] - Fixes are submitted as [3] - [6] - If I tracked them correctly they went upstream withou

[Kernel-packages] [Bug 1722702] Re: libvirt - vnc port selection regression with newer kernels

2017-10-11 Thread ChristianEhrhardt
Thanks Daniel, after discussing shortly on IRC and checking all the references together: - https://www.redhat.com/archives/libvir-list/2017-September/msg00519.html - https://bugzilla.redhat.com/show_bug.cgi?id=1432684 - https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=863266 - http://www.spinics.n

[Kernel-packages] [Bug 1722702] Re: libvirt - vnc port selection regression with newer kernels

2017-10-16 Thread ChristianEhrhardt
Pinged the kernel team (smb) to take a look as I'd be scared of this and further consequences of the regression when Xenial HWE kernels and Artful will be released. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://b

[Kernel-packages] [Bug 1712803] Re: spapr_hcall from ubuntu_kvm_unit_test failed on ppc64el with Z-hwe kernel

2017-10-16 Thread ChristianEhrhardt
Hi Po-Hsu, what do you mean by "introduced by the old qemu version"? I assume you are testing new kernels by the kernel-da-key tag? So do you mean "the new (maybe HWE) kernel fails this test on xenial" - and your assumption is that it triggers there because qemu doesn't have the right fixes to be

[Kernel-packages] [Bug 1712803] Re: spapr_hcall from ubuntu_kvm_unit_test failed on ppc64el with Z-hwe kernel

2017-10-16 Thread ChristianEhrhardt
Catched Po-Hsu on IRC. He will outline the steps to get the test elf image and then we should mirror to IBM so they can check which ppc changes would be needed. Based on knowing that we can then decide to SRU or not. ** Tags added: pp64el ** Tags removed: pp64el ** Tags added: ppc64el -- You

[Kernel-packages] [Bug 1723904] Re: ubuntu-kvm-unit test failed with sprs test on ppc64le

2017-10-16 Thread ChristianEhrhardt
As with bug 1712803 please outline the steps to get the test elf image and then we should mirror to IBM so they can check which ppc changes would be needed. Based on knowing that we can then decide to SRU or not. -- You received this bug notification because you are a member of Kernel Packages, w

[Kernel-packages] [Bug 1722702] Re: libvirt - vnc port selection regression with newer kernels

2017-10-16 Thread ChristianEhrhardt
@smb - Yes that is the correct summary -- 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/1722702 Title: libvirt - vnc port selection regression with newer kernels Status in libvirt package

[Kernel-packages] [Bug 1717224] Re: virsh start of virtual guest domain fails with internal error due to low default aio-max-nr sysctl value

2017-10-17 Thread ChristianEhrhardt
Yeah, such a change needs some reasoning and since (at least to me) it is not yet clear how such few guests consume so much aio resources we need to check that. If you can provide: 1. the increase per guest spawned 2. are all your guests having more or less the same xml or do some have more disks

[Kernel-packages] [Bug 1717224] Re: virsh start of virtual guest domain fails with internal error due to low default aio-max-nr sysctl value

2017-10-17 Thread ChristianEhrhardt
Thanks for checking cborntra! The referred patch is in 4.14-rc1. I'm not so sure on backports of this, but at least for the Artful and HWE kernel of 4.13 this would be good to have. @Kernel Team - could you take a look and consider 2a8a9867 for our 4.13 kernels? @Xnox - changing the global defa

Re: [Kernel-packages] [Bug 1736390] Re: openvswitch: kernel oops destroying interfaces on i386

2018-01-10 Thread ChristianEhrhardt
On Wed, Jan 10, 2018 at 5:45 PM, Joseph Salisbury wrote: > Thanks for the feedback, Christian. I would much rather install them > manually. I am able to do that without a problem. However, I am unable > to access the GRUB menu in the usual way to select a specific kernel. If you test through a

[Kernel-packages] [Bug 1742712] [NEW] package removal leave scripts that fail lacking the binaries

2018-01-11 Thread ChristianEhrhardt
Public bug reported: Today I saw on IRC this reported: raub@desktop:~$ sudo ifdown --force br0 && sudo brctl delbr br0 /etc/network/if-down.d/ubuntu-fan: 29: /etc/network/if-down.d/ubuntu-fan: /usr/sbin/fanctl: not found run-parts: /etc/network/if-down.d/ubuntu-fan exited with return code 127 br

[Kernel-packages] [Bug 1742892] Re: ISST-LTE:KVM:Ubuntu1804:BostonLC:boslcp3: Unable to start the guest with more than 1 thread on ubuntu1804 KVM host machine.

2018-01-18 Thread ChristianEhrhardt
We are working on qemu 2.11 which IMHO could be the reason for your issues as well. Do you happen to know if there are qemu patches post 2.10 needed as well for the P9 machines? ** Also affects: qemu (Ubuntu) Importance: Undecided Status: New ** Changed in: qemu (Ubuntu) Status

[Kernel-packages] [Bug 1712803] Re: spapr_hcall from ubuntu_kvm_unit_test failed on ppc64el with Z-hwe kernel

2018-01-25 Thread ChristianEhrhardt
Thanks for identifying the changes, both changes are in since 2.6 so I'm first marking the bug tasks accordingly. ** Also affects: qemu (Ubuntu Xenial) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Xenial) Importance: Undecided Status: New ** Changed in: qe

[Kernel-packages] [Bug 1712803] Re: spapr_hcall from ubuntu_kvm_unit_test failed on ppc64el with Z-hwe kernel

2018-01-25 Thread ChristianEhrhardt
The patch seems easy enough, only the second has some very minor noise when applying. Let me know if I should do the backport or if you want to provide patches against 2.5 (patches against 2.5 as of the qemu git is fine). In terms of SRU scheduling I think prio is low, but it is easy enough and

[Kernel-packages] [Bug 1712803] Re: spapr_hcall from ubuntu_kvm_unit_test failed on ppc64el with Z-hwe kernel

2018-01-25 Thread ChristianEhrhardt
Hi Yasmins, you can either attach the patches as files here on the LP bug or point me to a git branch of yours that I can reach. Unless you want to do the related packaging work as well that is all I need. I can easily do the wrap up of the patches into the packaging for you. TL;DR - I'm not goin

[Kernel-packages] [Bug 1717224] Re: virsh start of virtual guest domain fails with internal error due to low default aio-max-nr sysctl value

2018-01-26 Thread ChristianEhrhardt
Hi Heinz-Werner, thanks for the ping. I think we agreed back then that the config itself is a Ubuntu wide thing - but I haven't seen any discussions on procps or in general to lift it. But then as I outlined in comment #7 any limit can be too low. I'll set the KVM task to won't fix to clearly mark

[Kernel-packages] [Bug 1712831] Re: 4.12.0-11-generic - crashing in infrastructure on i386 openvswitch tests

2017-10-25 Thread ChristianEhrhardt
Rechecked today on artful: OVS: 2.8.0-0ubuntu2 Kernel: 4.13.0-16-generic Based on the cloud image of today, which is post release. Still crashing with the simple steps to reproduce I listed above: [ 37.370757] IP: add_grec+0x28/0x440 [ 37.371002] *pdpt = 1dacc001 *pde = 000

[Kernel-packages] [Bug 1712831] Re: 4.12.0-11-generic - crashing in infrastructure on i386 openvswitch tests

2018-01-03 Thread ChristianEhrhardt
ping - still broken as of today in Bionic when updating openvswitch. Asking for a bump of the force-badtest for now ... -- 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/1712831 Title: 4.12

[Kernel-packages] [Bug 1736390] Re: openvswitch: kernel opps destroying interfaces on i386

2018-01-03 Thread ChristianEhrhardt
>From the Dup - FYI To reproduce do: $ autopkgtest-buildvm-ubuntu-cloud -a i386 -r artful -s 10G $ pull-lp-source openvswitch $ autopkgtest --apt-upgrade --shell --no-built-binaries openvswitch_2.8.0~git20170809.7aa47a19d-0ubuntu1.dsc -- qemu ~/work/autopkgtest-artful-i386.img # This guest curren

[Kernel-packages] [Bug 1712831] Re: 4.12.0-11-generic - crashing in infrastructure on i386 openvswitch tests

2018-01-03 Thread ChristianEhrhardt
*** This bug is a duplicate of bug 1736390 *** https://bugs.launchpad.net/bugs/1736390 ** This bug has been marked a duplicate of bug 1736390 openvswitch: kernel opps destroying interfaces on i386 -- You received this bug notification because you are a member of Kernel Packages, which is

[Kernel-packages] [Bug 1736390] Re: openvswitch: kernel oops destroying interfaces on i386

2018-01-04 Thread ChristianEhrhardt
@Joseph - if you mean 2nd level so: Machine ->KVM -> $ autopkgtest-buildvm-ubuntu-cloud -a i386 -r artful -s 10G That could be an issue - for 2nd level being famous for only working mostly. But why would you do so - since the tests are in VMs they are already more or less host release agnostic.

Re: [Kernel-packages] [Bug 1736390] Re: openvswitch: kernel oops destroying interfaces on i386

2018-01-07 Thread ChristianEhrhardt
On Fri, Jan 5, 2018 at 9:27 PM, Joseph Salisbury wrote: > I'm able to install a kernel using kvm: > kvm -m 512 -hda ./autopkgtest-artful-i386.img If that works for you fine. > Is there a way to modify the autopkgtest command line to tell it which > kernel to boot? When I have multiple test kern

[Kernel-packages] [Bug 1730717] Re: Some VMs fail to reboot with "watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [systemd:1]"

2017-11-08 Thread ChristianEhrhardt
Out of the IRC discussions documenting potentially related issues: - this bug: KVM: Host-Kernel: Xenial-GA, Qemu: Xenial-Ocata, Guest: Bionic - bug 1722311 KVM: Host-Kernel: Xenial-GA, Qemu: Xenial, Guest: Artful - some relation to cache pressure - bug 1713751 AWS: triggered by Xenial kernel updat

[Kernel-packages] [Bug 1730717] Re: Some VMs fail to reboot with "watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [systemd:1]"

2017-11-08 Thread ChristianEhrhardt
Torkoal (our Jenkins node) was idle atm and Ryan reported he had seen the issues there before, so trying there as well. This is LTS + HWE - Kernel 4.10.0-38-generic, qemu: 1:2.5+dfsg-5ubuntu10 I thought about your case since you seem just to start a lot of them and reboot, this shouldn't be so mu

[Kernel-packages] [Bug 1722702] Re: libvirt - vnc port selection regression with newer kernels

2017-11-08 Thread ChristianEhrhardt
Test from [2] in c #8. 4.13.0-16-generic gcc bind-collision.c && ./a.out bind: Address already in use AF_INET check failed. $ gcc -D CHECK_IPV6 bind-collision.c && ./a.out AF_INET6 success AF_INET success $ gcc bind-collision.c && ./a.out AF_INET success >From proposed: 4.13.0-17-generic $ gcc b

[Kernel-packages] [Bug 1710019] Re: support GICv3 ITS save/restore & migration

2017-11-09 Thread ChristianEhrhardt
I assume this is: commit b92382620e33c9f1bcbcd7c169262b9bf0525871 KVM: arm/arm64: vgic-its: Fix return value for device table restore And some more patches around it. Ok, so this gets into 4.14, which will only be available for Bionic and as HWE for Xenial. For Qemu as you stated changes are

[Kernel-packages] [Bug 1710019] Re: support GICv3 ITS save/restore & migration

2017-11-09 Thread ChristianEhrhardt
Ok, Dann - thanks for the clarification. So per the SRU rules to not regress on updates that would then be Zesty, Artful, Bionic. With Qemu being ok since Artful and Kernel needing your backports in Zesty 4.10 and Artful 4.13 then. I'm setting up the tasks correctly then. Do you want me to eval

[Kernel-packages] [Bug 1717224] Re: virsh start of virtual guest domain fails with internal error due to low default aio-max-nr sysctl value

2017-11-09 Thread ChristianEhrhardt
Hi Scott, the howto is mixed for Desktop users, Server users and selective upgrades. For your case you only need the most simple case which would be: Essentially you want to: # Check - all other updates done (to clear the view) $ apt list --upgradable Listing... Done # Enable proposed for z on

[Kernel-packages] [Bug 1696623] Re: macvtap creation issue using net namespaces

2017-06-09 Thread ChristianEhrhardt
I upgraded my Xenial test system to linux-virtual-hwe-16.04-edge and with that it is working fine. So we have a good testcase (thanks Rolando) a crash dmesg on the issue and confirmed that it is solved in a newer kernel. Comes down to bisecting maybe, but there is a chance the kernel team just k

[Kernel-packages] [Bug 696435] Re: wait-for-root fails to detect nbd root

2017-06-09 Thread ChristianEhrhardt
Checking the issue that was referred shows it was handled and fixed in 1. Kernel https://github.com/torvalds/linux/commit/37091fdd831f28a6509008542174ed324dd645bc which is 4.6 and thereby fixed in >=Yakkety. 2. Systemd https://github.com/systemd/systemd/pull/2422 that went into systemd 230 which

[Kernel-packages] [Bug 1109029] Re: Depend on linux-initramfs-tool

2017-06-14 Thread ChristianEhrhardt
I discussed the multipath-tools dependency in the context of Debian. But for multipath it really is a dependency. The bug will soon switch to closed (wont'fix) Yet OTOH it only is that for multiapth-tools-boot and kpartx-boot. These are optional installs - even multipath-tools only suggests that.

[Kernel-packages] [Bug 1712831] [NEW] 4.12.0-11-generic - crashing in infrastructure on i386 openvswitch tests

2017-08-24 Thread ChristianEhrhardt
Public bug reported: Hi, this seems to me to be a kernel crash of some sorts. Somewhat in the spirit of older bugs: - bug 1630940 - bug 1630578 Xnox asked me to look into a hang on openvswitch dep8 tests. What I found initially was in the log just "ERROR: Removing temporary files on testbed tim

[Kernel-packages] [Bug 1712831] Re: 4.12.0-11-generic - crashing in infrastructure on i386 openvswitch tests

2017-08-24 Thread ChristianEhrhardt
The last two known good runs on LP infra also were on the same kernel 4.12.0.11.12, no idea yet what has changed. Maybe the openvswitch upload itself a while ago - but that worked as well on LP infra ... ? -- You received this bug notification because you are a member of Kernel Packages, which

[Kernel-packages] [Bug 1712831] Re: 4.12.0-11-generic - crashing in infrastructure on i386 openvswitch tests

2017-08-24 Thread ChristianEhrhardt
Hi Bot, this issue does not need the usual logs IMHO, reproducible as instructed "on demand" - setting back to new. ** Changed in: linux (Ubuntu) Status: Incomplete => New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in U

[Kernel-packages] [Bug 1712831] Re: 4.12.0-11-generic - crashing in infrastructure on i386 openvswitch tests

2017-08-24 Thread ChristianEhrhardt
ok, every bot is different, this one wants confirmed to be silent. Setting that ... ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchp

[Kernel-packages] [Bug 1712831] Re: 4.12.0-11-generic - crashing in infrastructure on i386 openvswitch tests

2017-08-27 Thread ChristianEhrhardt
Installed requested mainline in my autopkgtest environment created as described above. Booting correctly by default and verified to boot into this by default. Now kicking the autopkgtest that was hanging before, but still running into the crash. On the serial console (connect as described above)

[Kernel-packages] [Bug 1712232] Re: [Feature] KNM: KNM NIs Enabling

2017-08-28 Thread ChristianEhrhardt
nee: ChristianEhrhardt (paelzer) => (unassigned) -- 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/1712232 Title: [Feature] KNM: KNM NIs Enabling Status in intel: New Status in linux p

[Kernel-packages] [Bug 1713765] [NEW] Consider "s390/mm: avoid empty zero pages for KVM guests to avoid postcopy hangs" for Artful

2017-08-29 Thread ChristianEhrhardt
Public bug reported: Hi, there is this patch in discussion [1]. If I read correctly between the lines that is supposed to go to -stable trees as well as to linxu-s390x next (4.14) submissions. But the change is rather big and we have to consider taking that early or as SRU or not at all. I wan

[Kernel-packages] [Bug 1713765] Re: Consider upcoming patch for Artful

2017-08-29 Thread ChristianEhrhardt
Also asking Lou to reverse mirror and let Christian Borntraeger (Author) be added on the mirror of this. -- 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/1713765 Title: Consider "s390/mm:

[Kernel-packages] [Bug 1710019] Re: support GICv3 ITS save/restore & migration

2017-08-29 Thread ChristianEhrhardt
Hi Dann, Sorry to ask, really I'm not neglecting all the work you do here. But it is a huge set of changes (17 files changed, 929 insertions(+), 46 deletions(-), and not all arm only) and I wonder as Zesty will never have the 4.13 kernel (as HWE is for LTS only). If it only works with the newer

[Kernel-packages] [Bug 1713765] Re: Consider "s390/mm: avoid empty zero pages for KVM guests to avoid postcopy hangs" for Artful

2017-08-30 Thread ChristianEhrhardt
Continued the discussion on IRC: [10:19] cpaelzer: just to shortcut. FWIW, this fix is only necessary if you have guest that use storage keys - e.g. an 16.04 guest should not trigger this problem. [10:21] hws: do we have any linux guests that use storgae keys in the meantime? [10:21] I m

[Kernel-packages] [Bug 1696102] Re: xfs/073 test fails with Metadata corruption detected on xfs file system (xfsprogs)

2017-08-31 Thread ChristianEhrhardt
I was asked to also recheck: Working on artful for me as well: [...] root@cpaelzer-artful:/home/ubuntu/xfstests-dev# ./check tests/xfs/073 FSTYP -- xfs (non-debug) PLATFORM -- Linux/ppc64le cpaelzer-artful 4.11.0-10-generic MKFS_OPTIONS -- -f -bsize=4096 /dev/loop1 MOUNT_OPTIONS -

[Kernel-packages] [Bug 1714262] Re: mysql socket no longer accessible during overlayroot

2017-09-01 Thread ChristianEhrhardt
Hi Cody, that would be a bug (feature request) against (upstream) overlayfs then right? I wonder this being against "cloud-initramfs-tools (Ubuntu)". Lets retarget the bug at overlayfs for now to discuss in that context (which is the kernel package). Or OTOH you meant to want us to consider pick

[Kernel-packages] [Bug 1714262] Re: mysql socket no longer accessible during overlayroot

2017-09-01 Thread ChristianEhrhardt
I thank you for your report and your help to make Ubuntu better. But for now I'll mark it incomplete until it is clear what the requested action shall be. Please feel free to set back to new when the clarification is provided. -- You received this bug notification because you are a member of Ke

[Kernel-packages] [Bug 1712831] Re: 4.12.0-11-generic - crashing in infrastructure on i386 openvswitch tests

2017-09-04 Thread ChristianEhrhardt
There could be two potential changes that caused this regression, looking at [1]: It either is the newer OVS 2.8 or the Kernel 4.12. There are two good tests with OVS-2.8 in a row. 2017-08-10 16:37:12 UTC 2017-08-14 11:20:32 UTC Given the current rate of success (5/24) it is rather unlikely that

[Kernel-packages] [Bug 1712831] Re: 4.12.0-11-generic - crashing in infrastructure on i386 openvswitch tests

2017-09-04 Thread ChristianEhrhardt
You can add/remove kernels to the guest by mounting them like via qemu-nbd. To properly install boot it directly in kvm and then run dpkg. That way I tested the mainline kernel above and the same way I switched back to [1]. With that I got correctly the older kernel: autopkgtest [13:48:11]: tes

[Kernel-packages] [Bug 1710019] Re: support GICv3 ITS save/restore & migration

2017-09-06 Thread ChristianEhrhardt
Dann, I don't want to miss the activity here - so the next step you are expecting is me to evaluate the diff in detal and prep a qemu SRU? Along that you will do regression tests on arm and I could do x86/ppc/s390x? Is that correct then I'd create a ppa for both of us to do the checks or is somet

Re: [Kernel-packages] [Bug 1710019] Re: support GICv3 ITS save/restore & migration

2017-09-06 Thread ChristianEhrhardt
On Wed, Sep 6, 2017 at 7:20 PM, dann frazier wrote: > > Until that concludes, I can't be 100% sure that QEMU will require no > further patches. But once that is resolved, then I think your proposed > plan above sounds good. > Thanks for clarification - sounds good, give an update here then once

[Kernel-packages] [Bug 1711358] Re: 20170817 - ISO hangs on boot on qemu with splash screen enabled and qxl graphics driver

2017-09-07 Thread ChristianEhrhardt
Realized a plymouth task would be right when I checked for the bug number to pass it along. ** Also affects: plymouth (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. ht

[Kernel-packages] [Bug 1696102] Re: xfs/073 test fails with Metadata corruption detected on xfs file system (xfsprogs)

2017-09-08 Thread ChristianEhrhardt
And @bdmurray - what you tried surely was good - don't be overmodest :-) Never the less exact step-by-step commands can't hurt. -- 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/1696102 Titl

[Kernel-packages] [Bug 1696102] Re: xfs/073 test fails with Metadata corruption detected on xfs file system (xfsprogs)

2017-09-08 Thread ChristianEhrhardt
[21:30] Could you update the test case with the setup you configured on diamond? I just used the environment you had configured so I'm not convinced what I tried at home was good. Helping where I can :-) Trying to add a full path of "how to reproduce" # Prep VM $ uvt-simplestreams-libvirt --verb

[Kernel-packages] [Bug 1712831] Re: 4.12.0-11-generic - crashing in infrastructure on i386 openvswitch tests

2017-09-08 Thread ChristianEhrhardt
I feel a bit like a retry bot - no offense - but you do realized that I posted steps to reproduce on the initial post already right? Maybe it helps to document the steps to exchange a kernel. 1. you have an image created like autopkgtest-buildvm-ubuntu-cloud -a i386 -r artful -s 10G 2. you mount

[Kernel-packages] [Bug 1713765] Re: Consider "s390/mm: avoid empty zero pages for KVM guests to avoid postcopy hangs" for Artful

2017-09-11 Thread ChristianEhrhardt
Seth missed to actually close it, doing so. ** Changed in: linux (Ubuntu) Status: Confirmed => Won't Fix ** Changed in: linux (Ubuntu) Assignee: Seth Forshee (sforshee) => (unassigned) -- You received this bug notification because you are a member of Kernel Packages, which is subscr

[Kernel-packages] [Bug 1709784] Re: KVM on 16.04.3 throws an error

2017-09-12 Thread ChristianEhrhardt
There seems to be an update-regression in Artful. Booting a recent Artful guest now again also throws: [485006.367929] Facility 'TM' unavailable, exception at 0xd00021617f10, MSR=90009033 [485006.367943] Oops: Unexpected facility unavailable exception, sig: 6 [#14] [485006.367945] SMP

[Kernel-packages] [Bug 1716616] Re: linux-aws: -proposed tracker

2017-09-13 Thread ChristianEhrhardt
** Also affects: linux-aws (Ubuntu Trusty) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-aws in Ubuntu. https://bugs.launchpad.net/bugs/1716616 Title: linux-aws: -proposed tracker St

[Kernel-packages] [Bug 1717224] Re: virsh start of virtual guest domain fails with internal error due to low default aio-max-nr sysctl value

2017-09-14 Thread ChristianEhrhardt
Hi, I think this is more a "is it time to rethink the default fs.aio-max-nr than a qemu problem. In general pick any limit and you will be able to create a testcase breaking it. Are all these bugs ... do we need to set all limits to unlimited - I'm sure you agree not to. Anyway I agree to Viktor

[Kernel-packages] [Bug 1717224] Re: virsh start of virtual guest domain fails with internal error due to low default aio-max-nr sysctl value

2017-09-14 Thread ChristianEhrhardt
OTOH I wonder to some extend how you exceded the 65k with "just" 18 guests. Not strictly required, but it might be very interesting before your system becomes unavailable to track: $ sysctl fs.aio-nr while starting the guests. How much get added per guest, would the settle down after the guest

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