Public bug reported:
Binary package hint: linux-image-2.6.28-11-generic
I had on my notebook ubuntu running now for more than two years, from gutsy and
going through all development releases. I was always using JFS as my root
filesystem and NVIDIA binary drivers.
Notebook is a COMPAL clone from an italian assembler, SANTECH. Attached will
find the lshw output.
-) I started upgrading to jaunty a week after intrepid was out. All upgrades
went ok for months, until this last week switch to 2.6.28-11 kernel. Without a
system crash, silently JFS started to glitch. Files started to disappear. No
messages from kernel, except applications started to segfault. FIrst apt, then
python, then system was lost. I repeat, when problem occurred, no kernel
messages. just application segfaulting.
-) Reboting leaded to JFS repairing himself, each time loosing files (messages
on tepair were something like d_ino != inode, can't exactly remember. read
ahead).
-) First tought was something wrong with disk, so I just started from
sysrescuecd and launched smartctl long test on disk. No problem reported, and I
am still far from end of disk life.
-) Second thought was something went wrong with filesystem, and reading ext4
threads, thought developers screw up things in journaling, but I was told it
was not the case.
-) As my system was in a terrible mess, lost tens of files, I installed fresh
jaunty Alpha alpha6. Installation went ok. System was up again. No installation
problems.
-) Went on system upgrade. Installed again 2.6.28-11. Reboot, same problems as
before: applications started to segfault in series. At reboot, again filesystem
problems....
-) Next try: installed this time on ext4. Again installation of fresh alpha 6
ok. And again on system upgrade same behaviour, this time leading to complete
filesystem whoes (unable to mount).
-) Again I installed fresly alpha6, this time leaving 2.6.28-9. This situation
seems stable.
Summary of this.
I have not too much to report, as I have no messages from kernel when
problems appear, except segfaults from applications. Seems my disk I/O
system gets crazy switching to 2.6.28-11. As this happens both with jfs
AND ext4, seems something related to controller and/or common I/O.
Have no more hints....
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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jaunty kernel 2.6.28-11 kernel destroy system
https://bugs.launchpad.net/bugs/346691
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