** Changed in: linux (Ubuntu Trusty)
Status: In Progress => Fix Committed
--
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/1375266
Title:
amd-iommu: kernel BUG & lockup after shutting down KVM guest using PCI
passthrough/PCIe bridge
Status in The Linux Kernel:
Unknown
Status in “linux” package in Ubuntu:
Fix Released
Status in “linux” source package in Trusty:
Fix Committed
Bug description:
SRU Justification:
[Impact]
When using a KVM VM and adding certain combinations of PCI/PCI-e devices an
oops and freeze can occur when shutting down a VM.
[Fix]
Commit 9b29d3c6510407d91786c1cf9183ff4debb3473a which is upstream in 3.17-rc2
and in stable/3.16.y.
This fix changes how cleanup_domain detaches device, instead of using the
list_for_each_entyr_safe macro, it just iterates through the devices and
removes the first element.
[Test Case]
Create KVM VM with a specific configuration of PCI/PCIe devices, and shutdown
the VM. See https://bugzilla.kernel.org/show_bug.cgi?id=81841 for details.
--
This kernel lockup bug was reported to and fixed upstream:
https://bugzilla.kernel.org/show_bug.cgi?id=81841
Please backport the "stable" kernel patch to Ubuntu kernels (at least trusty,
which I use in this setup):
https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=9b29d3c6510407d91786c1cf9183ff4debb3473a
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-35-generic 3.13.0-35.62
ProcVersionSignature: Ubuntu 3.13.0-35.62-generic 3.13.11.6
Uname: Linux 3.13.0-35-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version
k3.13.0-35-generic.
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.14.1-0ubuntu3.4
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path',
'/dev/snd/controlC1', '/dev/snd/hwC1D0', '/dev/snd/pcmC1D0c',
'/dev/snd/pcmC1D0p', '/dev/snd/pcmC1D1p', '/dev/snd/pcmC1D2c',
'/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D3p',
'/dev/snd/pcmC0D7p', '/dev/snd/pcmC0D8p', '/dev/snd/pcmC0D9p', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
CRDA: Error: [Errno 2] No such file or directory: 'iw'
Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer'
Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer'
Card1.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer'
Card1.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer'
Date: Mon Sep 29 16:19:50 2014
HibernationDevice: RESUME=UUID=54378db4-8de4-45f0-b7cb-2d8e1097139d
InstallationDate: Installed on 2014-09-04 (25 days ago)
InstallationMedia: Ubuntu-Server 14.04 LTS "Trusty Tahr" - Release amd64
(20140416.2)
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
ProcEnviron:
LANGUAGE=en_US:en
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/usr/bin/zsh
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-35-generic
root=UUID=a8f2d0ae-f43e-47de-9ef9-99fed8c9c78e ro nomdmonddf nomdmonisw
nomdmonddf nomdmonisw
RelatedPackageVersions:
linux-restricted-modules-3.13.0-35-generic N/A
linux-backports-modules-3.13.0-35-generic N/A
linux-firmware 1.127.7
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
WifiSyslog:
dmi.bios.date: 01/24/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P2.90
dmi.board.name: FM2A88X Extreme6+
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrP2.90:bd01/24/2014:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnFM2A88XExtreme6+:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
To manage notifications about this bug go to:
https://bugs.launchpad.net/linux/+bug/1375266/+subscriptions
--
Mailing list: https://launchpad.net/~kernel-packages
Post to : kernel-packages@lists.launchpad.net
Unsubscribe : https://launchpad.net/~kernel-packages
More help : https://help.launchpad.net/ListHelp
