linux-kernel - Re: bug in 2.6.26-rc9: sleeping function called from invalid context at kernel/rwsem:21

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Date:	Thu, 10 Jul 2008 11:34:54 +0200
From:	"Vegard Nossum" <vegard.nossum@...il.com>
To:	"Giacomo A. Catenazzi" <cate@...eee.net>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: bug in 2.6.26-rc9: sleeping function called from invalid context at kernel/rwsem:21

On Thu, Jul 10, 2008 at 10:19 AM, Giacomo A. Catenazzi <cate@...eee.net> wrote:
> Hello,
>
> yesterday at shutdown I had a crash. Unfortunately it seems
> that there was one (or more) oops missing. The bug appeared
> at unmounting partition at shutdown, so there are no logs
> of the previous messages.

Thanks for the report.

It would be really useful to know which filesystems you are/were
using, including virtual filesystems like sysfs. Maybe you are using
ecryptfs or FUSE?

(It would also be interesting to see if you could run
/etc/rc0.d/S40umountfs while the machine is up, to see if you can get
the segfault but keep the machine usable enough to get the whole log.)

Vegard

-- 
"The animistic metaphor of the bug that maliciously sneaked in while
the programmer was not looking is intellectually dishonest as it
disguises that the error is the programmer's own creation."
	-- E. W. Dijkstra, EWD1036
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