Re: AIO, DIO fsx tests failures on 2.6.19-rc1-mm1

From: Badari Pulavarty
Date: Mon Oct 16 2006 - 16:39:01 EST


On Mon, 2006-10-16 at 13:13 -0700, Zach Brown wrote:
> > Here is the easiest case to fix first :)
> > simple DIO wrote more than asked for :(
> >
> > elm3b29:~ # /root/fsx-linux -N 10000 -o 128000 -r 2048 -w 4096 -Z -R -W
> > jnk
> > mapped writes DISABLED
> > truncating to largest ever: 0x32740
> > truncating to largest ever: 0x39212
> > truncating to largest ever: 0x3bae9
> > short write: 0x17000 bytes instead of 0x14000 <<<<<<
>
> So the answer is that -rc1-mm1 doesn't quite have the most recent
> version of this patch. Grab the final patch at the end of this post
> from Andrew:
>
> http://lkml.org/lkml/2006/10/11/234
>
> It fixes up a misunderstanding that came from
> generic_file_buffered_write()'s habit of adding its 'written' input into
> the amount of bytes it announces having written in its return value.
>
> From mm-commits it looks like -mm2 will have the full patch.
>

Hmm.. with that patch applied, I still have fsx failures.
This time read() returning -EINVAL. Are there any other fixes
missing in -mm ?

Thanks,
Badari

elm3b29:~ # /root/fsx-linux -N 10000 -o 128000 -r 2048 -w 4096 -Z -R -W
jnkI
mapped writes DISABLED
truncating to largest ever: 0x32740
truncating to largest ever: 0x39212
truncating to largest ever: 0x3bae9
truncating to largest ever: 0x3c1e3
truncating to largest ever: 0x3d1cd
truncating to largest ever: 0x3e8b8
truncating to largest ever: 0x3ed14
truncating to largest ever: 0x3f9c2
truncating to largest ever: 0x3ff9f
doread: read: Invalid argument
Segmentation fault


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