On 05/10/2013 06:13 AM, Alex Deucher wrote: > On Thu, May 9, 2013 at 3:58 AM, <[email protected]> wrote: >> On Thu, 9 May 2013 10:21:03 +1000, Dave Airlie <[email protected]> wrote: >>>> I have two 6450 cards in my Ubuntu 13.04 system with three monitors. >> This >>>> is >>>> a recent install with no binary drivers installed and no additional X >>>> ppa's >>>> installed. I can get X to display output on the primary monitor, and I >>>> can >>>> see all three in xrandr: >>>> >>>> Screen 0: minimum 320 x 200, current 2560 x 1440, maximum 16384 x 16384 >>>> HDMI-0 disconnected (normal left inverted right x axis y axis) >>>> DVI-0 connected 2560x1440+0+0 (normal left inverted right x axis y axis) >>>> 597mm x 336mm >>>> 2560x1440 60.0*+ >>>> VGA-0 disconnected (normal left inverted right x axis y axis) >>>> HDMI-1 connected 1920x1080+0+0 (normal left inverted right x axis y >> axis) >>>> 475mm x 267mm >>>> 1920x1080 60.0*+ >>>> 1280x1024 75.0 60.0 >>>> 1152x864 75.0 >>>> 1024x768 75.1 60.0 >>>> 800x600 75.0 60.3 >>>> 640x480 75.0 60.0 >>>> 720x400 70.1 >>>> DVI-1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) >>>> 475mm x 267mm >>>> 1920x1080 60.0*+ >>>> 1280x1024 75.0 60.0 >>>> 1152x864 75.0 >>>> 1024x768 75.1 60.0 >>>> 800x600 75.0 60.3 >>>> 640x480 75.0 60.0 >>>> 720x400 70.1 >>>> VGA-1 disconnected (normal left inverted right x axis y axis) >>>> >>>> >>>> The second and third monitor are on (out of power save mode) but show no >>>> input. However, XFCE seems to detect them as I have two wallpapers >>>> stacked >>>> on top of each other, one at the main monitor's 2560x1440 resolution and >>>> one >>>> at a 1920x1080 resolution (see >>>> >> http://edolnx-public.objects.dreamhost.com/Screenshot%20-%2005072013%20-%2009_10_02%20AM.png >>>> ). Attempting to make any changes with xrandr causes X to crash with a >>>> SIGSEGV. Here's a log: http://paste.ubuntu.com/5640585/ Any ideas? >>> You probably need to setup an xorg.conf like you always have before >>> for dual-card setups like that. >>> >>> It might be possible to make it work better if you plug two monitors >>> into the first card and one into second, >>> you'll be using GPU offload, so the second GPU won't be doing anything >>> more than displaying what the first >>> is showing. >>> >>> Dave. >> I've tried creating a basic config for multiple monitors, and now X crashes >> on startup. >> The config: http://paste.ubuntu.com/5646972/ >> The log: http://paste.ubuntu.com/5646975/ >> >> I thought it may be GLX, so I tried disabling that but got the same error. >> I also tried two displays >> on the primary card. That created output on two displays, but using xrandr >> still caused a crash of X. >> The monitor on the second card still had no output. >> >> Any other thoughts? I've tried ATI and nVidia cards, and both yield >> similar results. I realize this is >> the ati driver list, but it may be an interesting data point. > You need to use the ZaphodHeads option in each device section to > assign which connector(s) you want to use with each instance of the > driver. > > Alex I've tried with the ZaphodHeads option, same result: X crashes on startup. Logs: http://paste.ubuntu.com/5655332/ Config: http://paste.ubuntu.com/5655333/
If I put in the wrong information in the ZaphodHeads option, then only the primary display works. The other two say in powersave mode. Any other ideas? -Carl _______________________________________________ xorg-driver-ati mailing list [email protected] http://lists.x.org/mailman/listinfo/xorg-driver-ati
