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[Bug 1352794] Lsusb.txt

 

apport information

** Attachment added: "Lsusb.txt"
   https://bugs.launchpad.net/bugs/1352794/+attachment/4170590/+files/Lsusb.txt

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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).
  --- 
  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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