kernel-packages team mailing list archive

[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

Do you recall what specific version of 3.8 you used?  The current
version, 3.8.0-32 does not allow a clean cherry-pick.  It was dropped
from upstream stable 3.8 because of all the changes required to back
port it.

One other note, the 3.8 kernel is not an LTS release.  The 3.2 kernel is
the last LTS release, which ships with 12.04(Precise).

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https://bugs.launchpad.net/bugs/1234662

Title:
  Ubuntu-lts-3.8.0 kernels corrupt ext[234] filesystems with 1k block
  size in Xen guests

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  We observed a problem with a Postfix database file created by postmap becoming corrupted in a Xen guest when the file was on an ext4 filesystem with a 1kb block size.  This was reported to the linux-ext4 list in http://marc.info/?t=138018028300003&r=1&w=2.  The subsequent investigation identified the git commit 7b2b160da7661bb2ade3f924b1bd3e3084e53341 as solving the problem.  We have applied this on top of tag Ubuntu-lts-3.8.0-13.22 and confirmed that it resolves the problem we are seeing.
  --- 
  AlsaDevices:
   total 0
   crw-rw---T 1 root audio 116,  1 Oct  4 19:28 seq
   crw-rw---T 1 root audio 116, 33 Oct  4 19:28 timer
  AplayDevices: Error: [Errno 2] No such file or directory
  ApportVersion: 2.9.2-0ubuntu8.3
  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: [Errno 2] No such file or directory
  DistroRelease: Ubuntu 13.04
  HibernationDevice: RESUME=UUID=1d79e306-bed4-4cd4-8dbc-24a727ef8db6
  IwConfig: Error: [Errno 2] No such file or directory
  Lspci:
   
  Lsusb: Error: command ['lsusb'] failed with exit code 1: unable to initialize libusb: -99
  MarkForUpload: True
  Package: linux (not installed)
  PciMultimedia:
   
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=screen
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 xen
  ProcKernelCmdLine: root=/dev/mapper/ejbca0_systemvg-rootlv ro rootflags=subvol=@   splash quiet tmem $vt_handoff
  ProcVersionSignature: Ubuntu 3.8.0-31.46-generic 3.8.13.8
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-31-generic N/A
   linux-backports-modules-3.8.0-31-generic  N/A
   linux-firmware                            1.106
  RfKill: Error: [Errno 2] No such file or directory
  Tags:  raring
  Uname: Linux 3.8.0-31-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

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