linux-kernel - Re: call_usermodehelper() returns -513 when ocfs2 umounting filesystems

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Date:	Tue, 30 Jul 2013 08:58:34 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Xue jiufei <xuejiufei@...wei.com>
Cc:	oleg@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: call_usermodehelper() returns -513 when ocfs2 umounting
 filesystems

On Tue, Jul 30, 2013 at 04:51:09PM +0800, Xue jiufei wrote:
> The kernel version is 3.0.58.

That's way too old for upstream to do any meaningful debugging without
more specific information.  Kernel threads usually don't deal with
signals but there are a handful weird places in kernel which make use
of actual signals to affect the control flow.  ISTR modifying some so
that it's not too crazy but I could be misremembering....

Thanks.

-- 
tejun
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