@PCC: With the Jaunty Alpha update I found that most, if not all of those issues were solved, but only when I explicitly told it to use UXA. If I left this setting out of the Xorg.conf then those framerate issues were definitely there as it was using the older DRI (not DRI2) for acceleration.
I have that exact laptop. - Shane On Thu, Feb 12, 2009 at 6:38 AM, PCC <p_c_c...@hotmail.com> wrote: > I have similar issues on my ThinkPad T61 with GM965 running ubuntu with > 2.6.28.4 kernel. > > The screen would become corrupted with the 2.4x or 2.6x intel server and > it crashes frequently. For example thinktanksdemo would show a broken > screen (portion of screen inverted or shown at the wrong place), GL > screensavers would have a flashing row at the bottom and use tones of > CPU. > > However 2.2x server seems surviving well with none of the above issues > but it would fill up Xorg.0.log over time by showing the available > settings and configurations over and over again. > > I am not sure whether glxgears have changed over the releases, but there > is a huge difference in frame rate on this machine across releases. > > I have over 1000 FPS by using the 2.2x server and libraries, about 600 > FPS for 2.4x, and less than 60 FPS (not 600) for the 2.6x. It is > definitely going the wrong way! > > Can anybody check what have changed for GM965 from 2.2 to 2.6 and figure > out what went wrong? > > As for Xorg.conf, I am using virtually no configurations and let the > server discover the best configuration on start up under all streams. > > For now, I am running intrepid stream of Ubuntu with xserver and > libraries downgraded to hardy (2.2x). Before the new stuff is back > ported, I am still OK. > > I have tried the most updated xserver and libraries available from time > to time, unfortunately none worked out and I had to fall back to 2.2 to > get a functional screen. > > Hopefully somebody would figure it out soon. > > Thanks, > > -- > [i965] intel gm965 freezes with 3d applications > https://bugs.launchpad.net/bugs/120834 > You received this bug notification because you are a direct subscriber > of the bug. > > Status in X.Org X server: Fix Released > Status in "mesa" source package in Ubuntu: Fix Released > Status in "xserver-xorg-video-intel" source package in Ubuntu: Incomplete > Status in mesa in Ubuntu Hardy: Confirmed > Status in xserver-xorg-video-intel in Ubuntu Hardy: Invalid > Status in "xserver-xorg-video-intel" source package in zUbuntu: Invalid > > Bug description: > On some Intel GM965 machines, running OpenGL applications (eg. Blender, > Second Life, the Endgame screensaver, Scorched3D) can crash the system. > > Symptoms: Colours go funny, then screen flashes between off and black with > 'please wait' cursor about 10 times, then stops; does not respond to > Ctrl+Alt+F1 or Ctrl+Alt+Backspace, but does reboot on Alt+SysRq+b. Logs the > line > Error in I830WaitLpRing(), timeout for 2 seconds > in /var/log/Xorg.0.log.old > > (Please note that this is not the only X crash bug; if you cannot find > an exact match for your symptoms then please file a new bug.) > > Workaround: Adding > Option "DRI" "false" > to the graphics controller Device section of /etc/X11/xorg.conf avoids this > bug, but may drastically reduce performance. > > This bug has been reported upstream and you can follow the link to xorg > bugzilla, but as of 29.12.07 no developer managed to reproduce this bug (how > to trigger it seems to be hardware dependent, with some i965s not appearing > to have it at all) so it will be very hard to fix unless that changes > if you are suffering from this bug please go to xorg bugzilla and report > your hardware specifics. > also please edit this bug description and add the name and exact model of > your affected laptop. > > list of affected laptops: > Acer Travelmate 6292 > Asus S62E Santa Rosa 965 > dell D830 > Dell 630 > Dell Inspiron 1420 > Dell Inspiron 1420n > Dell Inspiron 1525 (new) > Dell Latitude D630 > Dell Latitude D830 > Dell Vostro 1310 > Dell XPS M1330 > HP Compac 6510b > HP Compaq 6710b > Thinkpad T61 > Thinkpad X61 Tablet > Thinkpad X61s > Apple Macbook (3,1/Santa Rosa) > Acer Aspire 5315-052G12Mi > Acer Extensa 5220-050508Mi > Lenovo 3000 N200 (TY2BBGE) > Sony vaio CR160 > > also if you have one of these laptops and are not affected please tell > us! > > -- [i965] intel gm965 freezes with 3d applications https://bugs.launchpad.net/bugs/120834 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
