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Message #74388
[Bug 1352794] UdevLog.txt
apport information
** Attachment added: "UdevLog.txt"
https://bugs.launchpad.net/bugs/1352794/+attachment/4170595/+files/UdevLog.txt
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https://bugs.launchpad.net/bugs/1352794
Title:
Null pointer dereference in mmu_set_spte.isra on 3.8.0-33-generic
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
Dear all,
We faced a kernel oops on KVM from a null pointer derefence on one of
our hypervisors (running several KVM VMs). This led us to a serie of
kernel oops affecting all the VMs and finally, the host crash. We
couldn't really establish where from the first oops was comming (in
order to reproduce the crash).
You'll find attach the extract of syslog where you have the really
first oops, and all the followings.
We're using Ubuntu 12.04LTS. We're using latest releases available on it, including for KVM. We're using kernel 3.8 due to hardware constraints. And we're using kernel 3.8.0-33-generic due to regressions in newer kernels (not yet reported).
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AlsaDevices:
total 0
crw-rw---T 1 root audio 116, 1 Aug 4 14:07 seq
crw-rw---T 1 root audio 116, 33 Aug 4 14:07 timer
AplayDevices: Error: [Errno 2] No such file or directory
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
DistroRelease: Ubuntu 12.04
HibernationDevice: RESUME=UUID=27b2f2d3-0ec2-4f22-9f6d-c857b6830ab6
InstallationMedia:
IwConfig: Error: [Errno 2] No such file or directory
MachineType: MSI MS-7816
MarkForUpload: True
Package: linux (not installed)
PciMultimedia:
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.8.0-33-generic root=UUID=4ee4d8b4-6b60-4800-b449-a22259277145 ro quiet elevator=deadline
ProcVersionSignature: Ubuntu 3.8.0-33.48~precise1-generic 3.8.13.11
RelatedPackageVersions:
linux-restricted-modules-3.8.0-33-generic N/A
linux-backports-modules-3.8.0-33-generic N/A
linux-firmware 1.79.16
RfKill: Error: [Errno 2] No such file or directory
Tags: precise
Uname: Linux 3.8.0-33-generic x86_64
UpgradeStatus: Upgraded to precise on 2012-05-10 (817 days ago)
UserGroups:
WifiSyslog:
Aug 5 06:25:17 rose kernel: [58628.862288] device eth0 left promiscuous mode
Aug 5 06:25:33 rose kernel: [58644.253374] device eth0 entered promiscuous mode
dmi.bios.date: 08/23/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V2.14B6
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: H87-G43 (MS-7816)
dmi.board.vendor: MSI
dmi.board.version: 1.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: MSI
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV2.14B6:bd08/23/2013:svnMSI:pnMS-7816:pvr1.0:rvnMSI:rnH87-G43(MS-7816):rvr1.0:cvnMSI:ct3:cvr1.0:
dmi.product.name: MS-7816
dmi.product.version: 1.0
dmi.sys.vendor: MSI
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