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Date: Tue, 06 Nov 2001 16:27:50 -0500
From: Bob Matthews <bmatthews@redhat.com>
Organization: Red Hat, Inc.
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To: Manfred Spraul <manfred@colorfullife.com>
CC: linux-kernel@vger.kernel.org
Subject: Re: 2.4.14-pre8 stress testing
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Manfred Spraul wrote:
> 
> >  Magic Sysrq doesn't give me anything except the name of the
> > corresponding command.  The machine does not appear to have generated
> > any oops output.
> 
> Was just one command name printed, or multiple commands?
> The sysrq handlers are protected by a spinlock.
> If multiple command names were printed it means that the sysrq handlers
> themself returned, and that printk works.

Multiple command names were printed, i.e.

<alt><SysRq>T produces SysRq: Show State, but nothing more
<alt><SysRq>P produces SysRq: Show Regs, but nothing else, etc.

> 
> I bet that the console loglevel got corrupted.
> The sysrq handler should run with forced loglevel 7, like the print of
> the command name.
> 
> Did you try SysRQ+7?

I tried resetting the loglevel to 7.  Same results.


-- 
Bob Matthews
Red Hat, Inc.
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