linux-kernel - Re: Overriding X on panic

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Message-ID: <20061125160954.239e0d7e@localhost.localdomain>
Date:	Sat, 25 Nov 2006 16:09:54 +0000
From:	Alan <alan@...rguk.ukuu.org.uk>
To:	Casey Dahlin <cjdahlin@...u.edu>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Overriding X on panic

On Sat, 25 Nov 2006 00:54:53 -0500
Casey Dahlin <cjdahlin@...u.edu> wrote:

> Linus did say that he would do anything within reason to help desktop
> linux forward, and frankly a big step forward would be to get error
> messages to the user. What might be some safe options for overriding,
> switching away from, killing, or otherwise disposing of the X server
> when an unrecoverable Oops is about to occur on the TTY?

Assuming frame buffer support is present in the kernel you need an ioctl
that specifies the frame buffer depth/layout so the kernel can print
correctly on it. At that point most of the time you'll get the report out
- more than trying to mode switch probably.

Send patches

Alan
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