I posted something similar here (maybe they should merged?) https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video- intel/+bug/309838
In short, I experienced a severe performance drop after moving to jaunty alpha 2 from intrepid - since hardware acceleration is now no longer working (using a 965GM.). relevant parts from xorg log: (WW) intel(0): libpciaccess reported 0 rom size, guessing 64kB (WW) intel(0): Register 0x61200 (PP_STATUS) changed from 0xc0000008 to 0xd000000a (WW) intel(0): PP_STATUS before: on, ready, sequencing idle (WW) intel(0): PP_STATUS after: on, ready, sequencing on (WW) intel(0): ESR is 0x00000001 (WW) intel(0): PRB0_CTL (0x0001f001) indicates ring buffer enabled (WW) intel(0): Existing errors found in hardware state. (WW) intel(0): Option "UseFBDev" is not used (WW) intel(0): ESR is 0x00000001 (WW) intel(0): PRB0_CTL (0x0001f001) indicates ring buffer enabled (WW) intel(0): Existing errors found in hardware state. (EE) intel(0): underrun on pipe B! (EE) intel(0): underrun on pipe B! (EE) intel(0): underrun on pipe B! -- [i965] Poor graphics performance and rendering errors on Intel GM965 system, Ubuntu 8.10 https://bugs.launchpad.net/bugs/252094 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
