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From: "Manfred Spraul" <manfred@colorfullife.com>
To: <ocdi@ocdi.org>
Cc: <linux-kernel@vger.kernel.org>, "Alan Cox" <alan@lxorguk.ukuu.org.uk>
Subject: Re: uninteruptable sleep
Date: Tue, 3 Apr 2001 18:40:53 +0200
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> ps xl:
>   F UID PID PPID PRI NI VSZ RSS WCHAN STAT TTY TIME COMMAND
> 040 1000 1230 1 9 0 24320 4 down_w D ? 0:00
>           /home/data/mozilla/obj/dist/bin/mozi
>
down_w

Perhaps down_write_failed()? 2.4.3 converted the mmap semaphore to a
rw-sem.
Did you compile sysrq into your kernel? Then enable it with

#echo 1 > /proc/sys/kernel/sysrq
and press <Alt>+<SysRQ>+'t'

It prints the complete back trace, not just one function name

--
    Manfred



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