Continue is the following messages on the new kernel
ubuntu@ubuntu:~$ EXT4-fs error (device sda): mb_free_blocks:1433: group 17,
block 574042:freeing already freed block (bit 16986); block bitmap corrupt.
EXT4-fs error (device sda): ext4_mb_generate_buddy:756: group 17, 13645
clusters in bitmap, 13646 in gd; block bitmap corrupt.
EXT4-fs error (device sda): mb_free_blocks:1433: group 33, block
1084792:freeing already freed block (bit 3448); block bitmap corrupt.
EXT4-fs error (device sda): ext4_mb_generate_buddy:756: group 33, 9 clusters in
bitmap, 10 in gd; block bitmap corrupt.
ubuntu@ubuntu:~$ dpkg --list | grep kernel*
ii kmod 15-0ubuntu5
ppc64el tools for managing Linux kernel modules
ii libdrm2:ppc64el 2.4.50-1
ppc64el Userspace interface to kernel DRM services -- runtime
ii linux-headers-3.13.0-0 3.13.0-0.10+ppc64el all
Header files related to Linux kernel version 3.13.0
ii linux-headers-3.13.0-0-generic 3.13.0-0.10+ppc64el
ppc64el Linux kernel headers for version 3.13.0 on PowerPC 64el SMP
ii linux-headers-generic 3.13.0.0.1+ppc64el3
ppc64el Generic Linux kernel headers
ii linux-image-3.13.0-0-generic 3.13.0-0.15
ppc64el Linux kernel image for version 3.13.0 on PowerPC 64el SMP
iU linux-image-extra-3.13.0-0-generic 3.13.0-0.15
ppc64el Linux kernel extra modules for version 3.13.0 on PowerPC 64el SMP
ii linux-image-virtual 3.13.0.0.1+ppc64el3
ppc64el This package will always depend on the latest minimal generic
kernel image.
ii linux-virtual 3.13.0.0.1+ppc64el3
ppc64el Minimal Generic Linux kernel and headers
ii rsyslog 7.4.4-1ubuntu2
ppc64el reliable system and kernel logging daemon
ubuntu@ubuntu:~$
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
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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