Re: xfs fails dbench in 2.6.18-rc1-mm1

[Eric Dumazet]

On Wednesday 12 July 2006 18:58, Martin Bligh wrote:
> http://test.kernel.org/abat/40891/debug/test.log.1
>
> Filesystem type for /mnt/tmp is xfs
> write failed on handle 13786
> 4 clients started
> Child failed with status 1
> write failed on handle 13786
> write failed on handle 13786
> write failed on handle 13786
>
> Works fine in -git4
> All other fs's seemed to run OK.
>
> Machine is a 4x Opteron.

You need to revert 92eb7a2f28d551acedeb5752263267a64b1f5ddf

http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blobdiff;h=3f356086061d7076a379b76e265295a5fe3750fe;hp=55f4e70225631b275f85215ee543b104507caacc;hb=92eb7a2f28d551acedeb5752263267a64b1f5ddf;f=fs/file.c

or change in alloc_fdtable()

nfds = max_t(int, 8 * L1_CACHE_BYTES, roundup_pow_of_two(nfds));

into

nfds = max_t(int, 8 * L1_CACHE_BYTES, roundup_pow_of_two(nr+1));

Eric
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