From: Andi Kleen <ak@suse.de>
To: Andrew Morton <akpm@osdl.org>
Cc: dilinger@debian.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86_64 stack trace cleanup
Date: Fri, 24 Feb 2006 14:20:13 +0100 [thread overview]
Message-ID: <200602241420.13980.ak@suse.de> (raw)
In-Reply-To: <20060224051303.64ff912b.akpm@osdl.org>
On Friday 24 February 2006 14:13, Andrew Morton wrote:
>
> > > Problem is, scrollback doesn't work after panic(). I don't know why..
> >
> > Someone claimed it was related to the panic keyboard blinking.
> >
>
> Strange. It looks pretty harmless.
[just speculation, haven't examined the code in detail]
One credible theory also was that the keyboard or console driver does too much
work in workqueues, which need the scheduler and scheduling doesn't work anymore
after panic. I remember hacking around a problem with this long ago on 2.4
The hack was to just check after_panic and call the function directly.
-Andi
next prev parent reply other threads:[~2006-02-24 13:20 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-24 10:41 [PATCH] x86_64 stack trace cleanup Andres Salomon
2006-02-24 10:47 ` Andi Kleen
2006-02-24 11:29 ` Andres Salomon
2006-02-24 12:22 ` Andi Kleen
2006-02-24 19:25 ` Alistair John Strachan
2006-02-24 19:40 ` Jesper Juhl
2006-02-24 13:35 ` Jesper Juhl
2006-02-24 12:50 ` Andrew Morton
2006-02-24 13:00 ` Andi Kleen
2006-02-24 13:13 ` Andrew Morton
2006-02-24 13:20 ` Andi Kleen [this message]
2006-02-24 15:53 ` Randy.Dunlap
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