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Message-ID: <52001564.1010800@oracle.com>
Date: Mon, 05 Aug 2013 17:13:08 -0400
From: Sasha Levin <sasha.levin@...cle.com>
To: Kent Overstreet <kent.overstreet@...il.com>
CC: Tejun Heo <tj@...nel.org>, LKML <linux-kernel@...r.kernel.org>,
trinity@...r.kernel.org
Subject: Re: percpu: kernel BUG at mm/percpu.c:579!
On 08/05/2013 03:15 PM, Kent Overstreet wrote:
>> From percpu_ref release path. Kent?
> From the backtrace I have no idea if this was from the aio code using it
> or the cgroup code - Sasha, any idea?
>
> AIO is probably more likely, I'm going to look to see if I can find
> anything...
I honestly don't know. It ran under trinity so I'm not sure what the exact
scenario is.
I can't seem to hit it again easily so far, it seems that many people merged their
work in the -next tree recently so I'm seeing multiple unrelated failures all over
the place, which makes reproducing this one harder.
Thanks,
Sasha
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