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On Saturday 30 December 2006 13:13, Thomas Backlund wrote:
> Andrey Borzenkov skrev:
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> >
> > There was recently long discussion on lkml about mysterious file
> > corruptions during some activity (mentioned were - large multifiles
> > torrents using rtorrent, packages repository corruption using deb
> > packages - I forgot the
>
> And reported here too:
> http://qa.mandriva.com/show_bug.cgi?id=27693
>
> > distribution). It turned out to be - apparently, very old - race between
> > file system and VM writeback code. The commit that fixes it is
> > http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=co
> >mmit;h=7658cc289288b8ae7dd2c2224549a048431222b3
> >
> > Now, there was at least one report since then that this commit also fixed
> > BDB corruption (NNTP Message-ID:<[EMAIL PROTECTED]>)
> > Quoting this:
> >
> > ===================
> > With 2.6.20-rc2-git1, which contain this patch, I have no more Berkeley
> > DB corruption with Klibido.¹
> > I'm afraid a lot of software project switched to Sqlite,² from BDB,³
> > because the bug this patch fix (ie. http://bogofilter.sourceforge.net/).
> > I've also thought, since years, it was an userland problem.
> > ===================
> >
> > I wonder if this accounts for constant reports about corrupted RPM DB. If
> > yes, it probably should be backported to at least 2007 ...
>
> If IRC the oldest reported kernel triggering this bug is 2.6.5, so ...
>
> +1
>
> CC'ing kernel-discuss and Luiz
>
Here is running Linus test program on reiserfs with default mount options
under 2.6.19 vanilla:
{pts/0}% ./test_vm
Writing chunk 71819/71820 (99%)
Chunk 18265 corrupted
Chunk 18410 corrupted
Chunk 18412 corrupted
Chunk 18447 corrupted
Chunk 18449 corrupted
...
I'm going to apply patch and see ...
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