From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: [Linux-fbdev-devel] Re: Generic VESA framebuffer driver and Video card BOOT? Date: Fri, 22 Oct 2004 01:23:13 +0200 Sender: linux-kernel-owner@vger.kernel.org Message-ID: <20041021232313.GB8376@elf.ucw.cz> References: <88056F38E9E48644A0F562A38C64FB60032879CA@scsmsx403.amr.corp.intel.com> Mime-Version: 1.0 Return-path: Content-Disposition: inline In-Reply-To: <88056F38E9E48644A0F562A38C64FB60032879CA@scsmsx403.amr.corp.intel.com> List-Id: Cc: Kendall Bennett , linux-kernel@vger.kernel.org, linux-fbdev-devel@lists.sourceforge.net, stefandoesinger@gmx.at Hi! > >> I have done some experiments with this video post stuff. > >> I think this should be done using x86 emulator rather than doing > >> in real mode. The reason being, with an userlevel emulator > >we can call > >> it at different times during resume. The current real mode videopost > >> does > > > >Actually Ole Rohne has patch that allows you to call real mode any > >time you want. > > Yes. I tried Ole's patch. That helped on one of my laptops. But, on > the other one it doesn't work. It goes into real mode but never returns. > Both systems had Radeom 9000M cards, but one with older version of the > firmware (didn't work) and one with newer version. > > IIRC, even Stefan had similar problems with Ole's patch. It did not work for me, either, but I verified that it works as expected if I comment out actuall call of BIOS. So the problem is not with Ole's patch but with bios, and it may be the same if you emulate it... [Of course, it will not crash whole system when emulated, but system without video is not too good, either]. Pavel -- People were complaining that M$ turns users into beta-testers... ...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl!