linux-kernel - Re: Semi-repeatable hard lockup on 2.6.27-rc6

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Message-ID: <20080911103332.56160ce0@doriath.conectiva>
Date:	Thu, 11 Sep 2008 10:33:32 -0300
From:	"Luiz Fernando N. Capitulino" <lcapitulino@...driva.com.br>
To:	"Steven Noonan" <steven@...inklabs.net>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Semi-repeatable hard lockup on 2.6.27-rc6

Em Wed, 10 Sep 2008 14:26:12 -0700
"Steven Noonan" <steven@...inklabs.net> escreveu:

| On Wed, Sep 10, 2008 at 11:07 AM, Steven Noonan <steven@...inklabs.net> wrote:
| > I've got a hard lockup problem on boot of 2.6.27-rc6. It's sporadic
| > though. Sometimes it locks, sometimes not. Each time it -does- lock
| > up, it gets to 'Waiting for uevents to be processed' and then
| > immediately locks up.
| >
| 
| This problem does -not- occur on 2.6.27-rc6-tip, though. Something's
| screwy in the pristine 2.6.27-rc6 branch.

 Can you describe the machine? Is it SMP?

 The best way would be to run git bisect, but you can also try to
enable all the locking debug features under the Kernel hacking menu.

-- 
Luiz Fernando N. Capitulino
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