From: "Petr Vandrovec" <VANDROVE@vc.cvut.cz>
To: "Ghozlane Toumi" <gtoumi@messel.emse.fr>
Cc: <linux-kernel@vger.kernel.org>,
"Linux Fbdev development list"
<linux-fbdev-devel@lists.sourceforge.net>,
bgilbert@backtick.net
Subject: Re:Re: matroxfb problems with dualhead G400
Date: Mon, 3 Sep 2001 15:25:42 MET-1 [thread overview]
Message-ID: <267E1FC1E0F@vcnet.vc.cvut.cz> (raw)
On 3 Sep 01 at 15:15, Ghozlane Toumi wrote:
> > You must boot your kernel with 'video=scrollback:0'. Otherwise your
> > kernel die sooner or later... JJ's scrollback code does not cope with
> > more than one visible console, so you must disable it if you have more
> > than one display in the box.
> could we somehow detect in register_framebuffer that whe're going
> multihead and disable software scrolling ?
>
> I didn't look at the code so i don't know if it's feasible , just a
> suggestion ..
Unfortunately once scrollback gets enabled (and allocates its scrollback
buffers, fills couple of pointers here and there), it is not trivial to
disable it again. If someone feels for doing that, do that. But I think
that changing default scrollback value from 32768 to 0 is better - as
you'll still have scrollback if your hardware can do it.
Best regards,
Petr Vandrovec
vandrove@vc.cvut.cz
next reply other threads:[~2001-09-03 13:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-03 15:25 Petr Vandrovec [this message]
2001-09-04 16:55 ` James Simmons
-- strict thread matches above, loose matches on Subject: below --
2001-09-03 14:51 Petr Vandrovec
2001-09-03 13:15 ` Ghozlane Toumi
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