On Wed, Jan 7, 2009 at 12:31 PM, Fabio <f...@ferrara.linux.it> wrote: >>> CPU: intel core2duo with 4 Gb of RAM >>> MB: asus p5ql-em >>> VGA: intel g43 (integrated on the MB) >>> Monitor: asus vw198s >>> >>> I installed ubuntu 8.10 (amd64). >>> >>> The first problem is that the correct resolution of the monitor >>> (1680x1050) is not recognized out of the box: after installation, it ran >>> at a lower resolution (1360x768) and I was not able to change it. >>> This surprised me. >>> I couldn't find on the net a valid modeline for my monitor, so >>> I followed the instructions on >>> >>> http://www.x.org/wiki/FAQVideoModes#head-82230a582646cbf28ac41dec2139732ee868e0d2 >>> to obtain a valid modeline using powerstrip. >>> I got the following >>> >>> Modeline "1680x1050" 147.600 1680 1784 1968 2256 1050 1051 1054 1087 >>> -hsync +vsync >>> >>> Is this ok? It looks like, since I put it into /etc/X11/xorg.conf >>> and, this way, the resolution is correct. >> >> I'm not sure if the bug is because of the intel driver or because of >> the monitor. It would probably help to attach Xorg.0.log from the >> failed attempt before you added the Modeline. It might also be >> interesting to look at the output from "xrandr -q" which shows what >> modes X thinks are available. >> > > I restored the original xorg.conf. The relative Xorg.0.log is attached. > As to "xrandr -q", the output is > > [coccobill 21:13:28 ~]$ xrandr -q > Screen 0: minimum 320 x 200, current 1152 x 864, maximum 1360 x 1360 > VGA connected 1152x864+0+0 (normal left inverted right x axis y axis) 0mm x > 0mm > 1360x768 59.8 > 1152x864 60.0* > 1024x768 60.0 > 800x600 60.3 > 640x480 59.9 > HDMI-1 disconnected (normal left inverted right x axis y axis) > HDMI-2 disconnected (normal left inverted right x axis y axis) > [coccobill 21:13:44 ~]$
Oh, one more thing. Even better would be a log with Option "ModeDebug" "true" in the Device section. >>> But now it comes another problem: sometime (not everytime) when I logout >>> to change user instead of the usual gdm greeting I get that the monitor >>> has no signal and goes automatically in poweroff: the only thing that I >>> can do is an hard reboot of the pc. >>> I can't understand the origin of this problem. >> >> There have been bugs with VT switching on intel recently. These are >> being fixed, so it may be best here to file a bug with Ubuntu and wait >> for the fixes to flow down. > > I made more googling in the afternoon and it seems that the issue is more > with the framebuffer that with the intel driver. > I had a try removing the fb, that is with options > quiet nosplash video=vesa:off vga=normal > for grub: apparently, the problem disappeared. At least, it didn't reproduce > for at least 10 login/logout. > (This is why I changed the subject) > > Of course I can live without the framebuffer and the splash screen, but > I would prefer if there is a way to recover it ... :-) There will be another framebuffer built on top of DRM kernel modesetting that works correctly with X, but it will probably be a while until it appears. -- Dan _______________________________________________ xorg mailing list xorg@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/xorg