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From: Rasmus Andersen <rasmus@jaquet.dk>
To: Andrew Morton <akpm@digeo.com>
Cc: lkml <linux-kernel@vger.kernel.org>, linux-mm@kvack.org
Subject: Re: 2.5.49-mm2
Date: Wed, 27 Nov 2002 21:01:53 +0100	[thread overview]
Message-ID: <20021127210153.A8411@jaquet.dk> (raw)
In-Reply-To: <3DE48C4A.98979F0C@digeo.com>; from akpm@digeo.com on Wed, Nov 27, 2002 at 01:11:38AM -0800

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On Wed, Nov 27, 2002 at 01:11:38AM -0800, Andrew Morton wrote:
> 
> url: http://www.zip.com.au/~akpm/linux/patches/2.5/2.5.49/2.5.49-mm2/

I'm fairly sure this is not specific to -mm2 since it looks
at lot like my problem from plain 2.5.49
(http://marc.theaimsgroup.com/?l=linux-kernel&m=103805691602076&w=2)
but -mm2 gave me some usable debug output:

Debug: Sleeping function called from illegal context at include/
linux/rwsem.h:66
Call Trace: __might_sleep+0x54/0x58
           sys_mprotect+0x97/0x22b
           syscall_call+0x7/0xb

Unable to handle kernel paging request at virtual address 4001360c

(I did not copy the rest but can reproduce at will.)

AFAICS, the fingered function is down_write at mprotect.c:262
but I fail to see why it is in a illegal context...

Hope this is useful for somebody. I am willing to test patches.

Regards,
  Rasmus

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  parent reply	other threads:[~2002-11-27 19:54 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-11-27  9:11 2.5.49-mm2 Andrew Morton
2002-11-27  9:11 ` 2.5.49-mm2 Andrew Morton
2002-11-27 11:38 ` 2.5.49-mm2 Rik van Riel
2002-11-27 11:38   ` 2.5.49-mm2 Rik van Riel
2002-11-27 18:28   ` 2.5.49-mm2 Andrew Morton
2002-11-27 18:28     ` 2.5.49-mm2 Andrew Morton
2002-11-27 16:10 ` [PATCH] page walker bugfix (was: 2.5.49-mm2) Ingo Oeser
2002-11-27 19:36   ` Andrew Morton
2002-11-27 19:36     ` Andrew Morton
2002-11-27 20:01 ` Rasmus Andersen [this message]
2002-11-27 20:11   ` 2.5.49-mm2 Andrew Morton
2002-11-27 20:11     ` 2.5.49-mm2 Andrew Morton
2002-11-27 20:24     ` 2.5.49-mm2 Rasmus Andersen
2002-11-27 21:19     ` 2.5.49-mm2 Rasmus Andersen
  -- strict thread matches above, loose matches on Subject: below --
2002-11-27 14:46 2.5.49-mm2 Con Kolivas

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