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Date: Tue, 27 Nov 2007 18:02:12 -0800 (PST)
From: Don Lewis <truckman@FreeBSD.org>
To: x11@FreeBSD.org
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Subject: Re: black screen on Thinkpad R40 with xorg-7.3 +
 xf86-video-ati-6.7.195
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On 26 Nov, To: x11@FreeBSD.org wrote:
> After upgrading my Thinkpad R40 to FreeBSD 7.0-BETA3 with xorg-7.3_1 and
> xf86-video-ati-6.7.195, I now get a totally black screen in X.  If I run
> startx, the screen just blacks out even though the backlight is on.
> Switching to a text vty works fine, and I can even type commands into
> the xterm windows that are started.  If I type "exit" into the
> appropriate xterm, the Xorg server exits, and drops me back into text
> mode.  If I use the vesa driver instead of ati, X works correctly.
> I don't see any obvious problem in the server log.

After doing a bunch more searching around the net, I found that this bug
is fixed in xf86-video-ati-6.7.196, which I installed by hacking the
port's Makefile and distinfo files.