kernel-packages team mailing list archive

[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.13 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'.
Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".


Thanks in advance.


[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.13-rc7-trusty/


** Also affects: linux (Ubuntu Trusty)
   Importance: High
       Status: Confirmed

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https://bugs.launchpad.net/bugs/1266399

Title:
  ext4-fs error messages pop up on command line

Status in “linux” package in Ubuntu:
  Confirmed
Status in “linux” source package in Trusty:
  Confirmed

Bug description:
  Description:

  ===========

  
  Adhoc ext4-fs errors seen on the command line:
  No particular pattern observed, pops up adhocly.

  EXT4-fs error (device sda): mb_free_blocks:1433: group 5, block 196603:freeing already freed block (bit 32763); block bitmap corrupt.
  EXT4-fs error (device sda): ext4_mb_generate_buddy:756: group 5, 3442 clusters in bitmap, 3444 in gd; block bitmap corrupt.

  Environment:

  ============

  Host: Power8
  Guest : ubuntu hosted on Power8

  Command line to spawn the ubuntu guest:
  qemu-system-ppc64 -enable-kvm -M pseries -cpu POWER8 -smp 1 -m 10G -nographic -nodefaults -monitor stdio -serial pty -append "root=/dev/sda" -kernel trusty-server-cloudimg-ppc64el-vmlinuz-generic -device spapr-vscsi -device spapr-vlan,netdev=net0,mac=6c:ae:8b:69:16:11 -netdev bridge,br=virbr0,id=net0 -drive file=trusty-server-cloudimg-ppc64el.img.qcow2

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