[Bugme-janitors] [Bug 9182] Critical memory leak (dirty pages)
bugme-daemon at bugzilla.kernel.org
bugme-daemon at bugzilla.kernel.org
Sun Dec 16 02:12:30 PST 2007
http://bugzilla.kernel.org/show_bug.cgi?id=9182
------- Comment #40 from olel at ans.pl 2007-12-16 02:12 -------
On Sun, 16 Dec 2007, bugme-daemon at bugzilla.kernel.org wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=9182
>
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> ------- Comment #39 from mingo at elte.hu 2007-12-16 01:58 -------
>
>> So:
>> - 2.6.20-rc1: OK
>> - 2.6.20-rc1-git8 with fba2591bf4e418b6c3f9f8794c9dd8fe40ae7bd9 reverted: OK
>> - 2.6.20-rc1-git8: very BAD
>> - 2.6.20-rc2: very BAD
>> - 2.6.20-rc4: very BAD
>> - >= 2.6.20: BAD (but not *very* BAD!)
>
> based on the great info you already acquired, you should be able to
> bisect this rather effectively, via:
>
> 2.6.20-rc1-git8 == 921320210bd2ec4f17053d283355b73048ac0e56
>
> $ git-bisect start
> $ git-bisect bad 921320210bd2ec4f17053d283355b73048ac0e56
> $ git-bisect good v2.6.20-rc1
> Bisecting: 133 revisions left to test after this
>
> so about 7-8 bootups would pinpoint the breakage.
Except that I have very limited time where I can do my tests on this host.
Please also note that it takes about ~2h after a reboot, to be 100% sure.
So, 7-8 bootups => 14-16h. :|
> It would likely pinpoint fba2591b, so it would perhaps be best to first
> attempt a revert of fba2591b on a recent kernel.
I wish I could: :(
ole at cougar:/usr/src/linux-2.6.23.9$ cat ..p1 |patch -p1 --dry-run -R
patching file fs/hugetlbfs/inode.c
Hunk #1 succeeded at 203 (offset 27 lines).
patching file include/linux/page-flags.h
Hunk #1 succeeded at 262 (offset 9 lines).
patching file mm/page-writeback.c
Hunk #1 succeeded at 903 (offset 58 lines).
patching file mm/truncate.c
Unreversed patch detected! Ignore -R? [n] y
Hunk #1 succeeded at 52 with fuzz 2 (offset 1 line).
Hunk #2 FAILED at 85.
Hunk #3 FAILED at 365.
Hunk #4 FAILED at 400.
3 out of 4 hunks FAILED -- saving rejects to file mm/truncate.c.rej
Best regards,
Krzysztof Olêdzki
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