linux-kernel - Re: Shutdown and Reboot Regression 2.6.25-rc[78]

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Message-ID: <20080411214257.GA4979@martell.zuzino.mipt.ru>
Date:	Sat, 12 Apr 2008 01:42:57 +0400
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	Bongani Hlope <bonganilinux@...b.co.za>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Shutdown and Reboot Regression 2.6.25-rc[78]

On Fri, Apr 11, 2008 at 10:41:44PM +0200, Bongani Hlope wrote:
> I found a regression in version 2.6.25-rc7, which causes my computer not to 
> shutdown or reboot. I get a complete lock up (no keyboard and Sys-Rq) just 
> before it normally shuts down the alsa service.
> 
> I did a git bisect and it points to this reversion: 
> [266c2e0abeca649fa6667a1a427ad1da507c6375] Make printk() console semaphore 
> accesses sensible

Is it 100% reproducable? I mean sometimes I also have complete lockup right
after one of eth interfaces shutdown during shutdown sequence. And it's
also recent.

But it triggers ~1 time in 10 subjectively..

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