Date: Mon, 26 Jan 2009 16:23:10 -0700 (MST) From: Warren Block <wblock@wonkity.com> To: Robert Noland <rnoland@FreeBSD.org> Cc: freebsd-x11@FreeBSD.org Subject: Re: Xorg 7.4 breaks mga with G450 Message-ID: <alpine.BSF.2.00.0901261613410.2383@wonkity.com> In-Reply-To: <1233002689.88679.24.camel@squirrel.corp.cox.com> 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>
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On Mon, 26 Jan 2009, Robert Noland wrote: > On Mon, 2009-01-26 at 10:04 -0700, Warren Block wrote: >> On Sun, 25 Jan 2009, Robert Noland wrote: >> >>> On Sun, 2009-01-25 at 22:50 +0000, Mark Knight wrote: >>>> Hi, >>>> >>>> I've been using the same PC with a Matrox G450 on AGP with a trusty old >>>> iiyama CRT monitor (Vision Master pro 410) for years. System is running >>>> FreeBSD 6.4-RELEASE-p1 >>>> >>>> Having just upgraded to Xorg 7.4 from 7.3 and following the instructions >>>> in UPDATING I cannot get a stable picture. >>>> >>>> Using my stock xorg.conf (see below), or a brand new config version >>>> created by "Xorg -configure" I get an extremely noisy (but stable) image >>>> if I lower resultion from my normal 1280x1024 to 1027x768. At the >>>> standard resolution the monitor is unable to sync. >>>> >>>> http://www.knigma.org.uk/scratch/Xorg.0.log >>>> http://www.knigma.org.uk/scratch/xorg.conf >>>> >>>> I've tried with and without DDC and with and without >>>> HorizSync/VertRefresh and with and without SyncOnGreen (my monitor has >>>> always product a slightly sharper picture with the latter). >>>> >>>> Any ideas? >>> >>> I think your on the right track... It sounds like the mode calculation >>> is off... I won't have access to mga hardware before next weekend, but >>> even then mine is connected to a panel. >> >> My G450 does the same (sync problem/noisy picture) on an LCD. >> mga-1.4.9 does it too, so I'd suspect a change in xorg-server. > > I just discovered an issue... Can you forcibly rebuild the 1.4.9 driver > against the new server and see if that works? Not being sure what you mean by "forcibly". I have a copy of mga-1.4.9 and mga-1.9.100 in /usr/ports/x11-drivers in addition to the current mga (1.9.100). I've been deinstalling (and cleaning) one before installing the other. -Warren Block * Rapid City, South Dakota USA
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