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[Anasuya M Shankar <anasuyams@xxxxxxxxxx>]

Haven't been observing the ext4 errors in the latest ubuntu_alpha2
build.

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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:
  Incomplete
Status in “linux” source package in Trusty:
  Incomplete

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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