----- "Tejun Heo" <tj@kernel.org> wrote:

quoted text
> On 08/29/2010 09:01 AM, caiqian@redhat.com wrote:
> > Further bisect indicated this bad commit from the merge. Given kdump
> > kernel was running with maxcpus=1, I guess this work caused fs/bio.c
> > hung in the workqueue on UP. Reverted the whole merge let kdump work
> > again.
> 
> Can you please pull from the following git tree and see whether it
> fixes the problem?  There was a bug in nr_active accounting.
It had the same problem.
quoted text
>   git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq.git for-linus
> 
> Thanks.
> 
> -- 
> tejun
> 
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