Date: Thu, 29 Jan 2009 11:21:43 -0700 (MST) From: Warren Block <wblock@wonkity.com> To: Mark Knight <markk@knigma.org> Cc: freebsd-x11@freebsd.org Subject: Re: Xorg 7.4 breaks mga with G450 Message-ID: <alpine.BSF.2.00.0901291115460.16894@wonkity.com> In-Reply-To: <1532XLOh3bgJFwKw@lap.knigma.org> References: <%2B$PUWxC8yOfJFwC1@lap.knigma.org> <1232939280.1973.7.camel@wombat.2hip.net> <alpine.BSF.2.00.0901260943380.1030@wonkity.com> <1233002689.88679.24.camel@squirrel.corp.cox.com> <alpine.BSF.2.00.0901261613410.2383@wonkity.com> <1233197046.1779.11.camel@wombat.2hip.net> <alpine.BSF.2.00.0901282132460.13788@wonkity.com> <UGsOoZHOCWgJFw9E@lap.knigma.org> <1233234690.1779.20.camel@wombat.2hip.net> <u5Jw3MNZdbgJFwIn@lap.knigma.org> <1233238588.1779.48.camel@wombat.2hip.net> <1532XLOh3bgJFwKw@lap.knigma.org>
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On Thu, 29 Jan 2009, Mark Knight wrote: > In message <1233238588.1779.48.camel@wombat.2hip.net>, Robert Noland > <rnoland@FreeBSD.org> writes >> Things that make you go Hrm... >> >> (==) MGA(0): Min pixel clock is 12 MHz >> (--) MGA(0): Max pixel clock is 1200 MHz > > Well this might make you go "Ha": > > This next log is from the same hardware that I'm now having trouble with Xorg > 7.4. > > Unfortunately it's a little older than I'd like since I don't backup /var/log > too often: > > http://www.knigma.org.uk/scratch/xorg-good-mga-log.txt Dual-head didn't work with that setup, did it? > (--) MGA(0): BIOS at 0xFEAC0000 > Requesting insufficient memory window!: start: 0xfda00000 end: 0xfeafffff size 0x2000000 > (EE) Cannot find empty range to map base to > (WW) MGA(0): Video BIOS info block not detected! Without the video BIOS, the mga driver couldn't detect which card it was. (I think, it's been a while.) That was what my patch to xorg-server (1.4.x) fixed. Or at least made work, by reading the video BIOS directly. http://www.wonkity.com/~wblock/mgapatch/xorg-patch.txt http://www.wonkity.com/~wblock/mgapatch/patch-Pci.c-WB That's exactly where libpciaccess comes in. -Warren Block * Rapid City, South Dakota USA
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