Public bug reported:
Package: linux
Release: Karmic alpha-6
Version: linux-kernel-2.6.31-10-server x86_64
I installed a new Karmic from a CD, I choosed it uses ext3 as fs insead of
ext4. Then I just want to try the new ext4 fs, I have two raid device, so I
created a 64GB partition on LVM, and formatted as ext4. Here is the relevant
part of log when I mounted that:
Sep 28 13:13:46 linux kernel: [439298.009431] EXT4-fs (dm-0): barriers enabled
Sep 28 13:14:44 linux kernel: [439298.028422] kjournald2 starting: pid 18646,
dev dm-0:8, commit interval 5 seconds
Sep 28 13:14:44 linux kernel: [439298.040769] EXT4-fs (dm-0): internal journal
on dm-0:8
Sep 28 13:14:44 linux kernel: [439298.040774] EXT4-fs (dm-0): delayed
allocation enabled
Sep 28 13:14:44 linux kernel: [439298.040778] EXT4-fs: file extents enabled
Sep 28 13:14:44 linux kernel: [439298.047257] EXT4-fs: mballoc enabled
Sep 28 13:14:44 linux kernel: [439298.047271] EXT4-fs (dm-0): mounted
filesystem with writeback data mode
Sep 28 13:14:44 linux kernel: [439320.129197] end_request: I/O error, dev
cciss/c0d1, sector 0
Sep 28 13:14:44 linux kernel: [439320.136986] end_request: I/O error, dev
cciss/c0d1, sector 0
and after this step there are many times the last line in the syslog.
The bigger problem is this error came on cciss/c0d0, which has NOT ext4
fs! Before this point there are no such report.
After reboot the error solved on cciss/c0d0, but the partition table
lost on that disc...
I've created a new partition table with a new partition (like before),
and when I want to created an LVM, it said there is an existing PV - so
the data's were on disc except the partition table.
Now I re-created the ext3 fs, and I don't have any problem.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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ext4fs triggers I/O errors
https://bugs.launchpad.net/bugs/439357
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