Re: disk I/O hang in 2.6.0-test4-mm5

[Andrew Morton]

Dave Olien <dmo@xxxxxxxx> wrote:
>
> I'm seeing a mkfs.ext2 that never completes under 2.6.0-test4-mm5.
> I ran 4 mkfs.ext2's concurrntly, each on a seperate partition on the
> same disk.  Three of the completed.  Here's the sysrq stack trace from
> the one that didn't.
> 
> This doesn't occur on mm4.

Could you please revert

ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.0-test4/2.6.0-test4-mm5/broken-out/elv-insertion-fix.patch

and retest?
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