Subject: Re: OpenGL-based framebuffer concepts
From: Xavier Bestel <xavier.bestel@free.fr>
To: Helge Hafting <helge.hafting@aitel.hist.no>
Cc: "Alexander E. Patrakov" <patrakov@ums.usu.ru>,
       Jon Smirl <jonsmirl@gmail.com>, "D. Hazelton" <dhazelton@enter.net>,
       Manu Abraham <abraham.manu@gmail.com>, linux cbon <linuxcbon@yahoo.fr>,
       Valdis.Kletnieks@vt.edu, linux-kernel@vger.kernel.org
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	 <6896241F-3389-4B20-9E42-3CCDDBFDD312@mac.com>
	 <44740533.7040702@aitel.hist.no> <447465C6.3090501@ums.usu.ru>
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Date: Fri, 26 May 2006 13:06:20 +0200
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On Fri, 2006-05-26 at 12:58, Helge Hafting wrote:
> Alexander E. Patrakov wrote:
> > Helge Hafting wrote:
> >> "Which of the two keyboards to read, which of the three screens to use
> >> for messages" is not a problem.  The kernel would use whatever devices
> >> is associated with the primary console - any extra devices would be 
> >> left alone.
> >> The console is normally one particular keyboard (or possibly all of 
> >> them),
> >> and /dev/fb0 in case of graphical console.  Other framebuffers are
> >> not the primary console.
> >
> > I am not sure how this can be achievable, assuming that udev is 
> > responsible for loading framebuffer modules. Since it loads them in 
> > parallel, the registration order is essentially random. See the 
> > following Debian bugs about other subsystems:
> So what?  In that case, it is essentially random _which_ display you
> get your PANIC on, but you will get it on one of them.
> 
> Of course this case is easily fixed by loading the preferred
> framebuffer driver before running udev.  That way, it grabs
> /dev/fb0 before anything else.

Well, the oops/panic should probably be displayed on all fbdevs anyway.

	Xav


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