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SubjectRe: kswapd craziness in 3.7
On 12/03/2012 02:14 PM, Jiri Slaby wrote:
> On 11/27/2012 09:48 PM, Johannes Weiner wrote:
>> I hope I included everybody that participated in the various threads
>> on kswapd getting stuck / exhibiting high CPU usage. We were looking
>> at at least three root causes as far as I can see, so it's not really
>> clear who observed which problem. Please correct me if the
>> reported-by, tested-by, bisected-by tags are incomplete.
>
> Hi, I reported the problem for the first time but I got lost in the
> patches flying around very early.
>
> Whatever is in the current -next, works for me since -next was
> resurrected after the 2 weeks gap last week...

Bah, I always need to write an email to reproduce that. It's back:
3.7.0-rc7-next-20121130

[<ffffffff810b132a>] __cond_resched+0x2a/0x40
[<ffffffff81133770>] shrink_slab+0x1c0/0x2d0
[<ffffffff8113668d>] kswapd+0x65d/0xb50
[<ffffffff810a37b0>] kthread+0xc0/0xd0
[<ffffffff816ba4dc>] ret_from_fork+0x7c/0xb0
[<ffffffffffffffff>] 0xffffffffffffffff

Going to apply this:
https://lkml.org/lkml/2012/12/3/407
and wait another 5 days to see the results...

thanks,
--
js
suse labs


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