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Re: 2.6.22-rc3 hibernate(?) fails totally - regression (xfs on raid6)

To: David Greaves <david@xxxxxxxxxxxx>
Subject: Re: 2.6.22-rc3 hibernate(?) fails totally - regression (xfs on raid6)
From: Pavel Machek <pavel@xxxxxx>
Date: Thu, 7 Jun 2007 20:12:58 +0000
Cc: Tejun Heo <htejun@xxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, "Rafael J. Wysocki" <rjw@xxxxxxx>, xfs@xxxxxxxxxxx, "'linux-kernel@xxxxxxxxxxxxxxx'" <linux-kernel@xxxxxxxxxxxxxxx>, linux-pm <linux-pm@xxxxxxxxxxxxxx>, Neil Brown <neilb@xxxxxxx>
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Hi!

> >How hard does the machine freeze?  Can you use sysrq?  
> >If so, please
> >dump sysrq-t.
> I suspect there is a problem writing to the consoles...
> 
> I recompiled (rc4+patch) with sysrq support, suspended, 
> resumed and tried sysrq-t but got no output.
> 
> I *can* change VTs and see the various login prompts, 
> bitmap messages and the console messages. Caps/Num lock 
> lights work.
> 
> Fearing incompetence I tried sysrq-s sysrq-u sysrq-b and 
> got a reboot so sysrq is OK.

Increase console loglevel by killing klogd/sysrq-9?

-- 
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