This sounds like the problem I've been having since upgrading from Intrepid 8.10 to Jaunty 9.04 on a Lenovo X301 (2776) laptop.
uname -a Linux shim 2.6.28-11-generic #42-Ubuntu SMP Fri Apr 17 01:58:03 UTC 2009 x86_64 GNU/Linux lspci -nn | grep VGA 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07) In the 24 hours since upgrading it has locked up the screen display, mouse pointer, and keyboard. /var/log/kern.log shows a kernel 'Oops' and a i915 dump (attached). [...] May 3 17:26:03 shim kernel: [ 3517.858785] BUG: unable to handle kernel NULL pointer dereference at 000000000000002c May 3 17:26:03 shim kernel: [ 3517.858799] IP: [<ffffffffa03ea3a8>] i915_gem_execbuffer+0x1e8/0x740 [i915] May 3 17:26:03 shim kernel: [ 3517.858821] PGD 13a128067 PUD 1379ae067 PMD 0 May 3 17:26:03 shim kernel: [ 3517.858830] Oops: 0000 [#1] SMP May 3 17:26:03 shim kernel: [ 3517.858836] last sysfs file: /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq [... rest of dump attached...] No errors or anything in Xorg.log.old X.Org X Server 1.6.0 Release Date: 2009-2-25 X Protocol Version 11, Revision 0 Build Operating System: Linux 2.6.24-15-server x86_64 Ubuntu Current Operating System: Linux shim 2.6.28-11-generic #42-Ubuntu SMP Fri Apr 17 01:58:03 UTC 2009 x86_64 Build Date: 09 April 2009 02:11:54AM xorg-server 2:1.6.0-0ubuntu14 (bui...@crested.buildd) [...] ** Attachment added: "Kernel 'Oops' in i915 with associated dump" http://launchpadlibrarian.net/26274040/crash1-20090503.txt -- [915GM] Random laptop lockup after upgrade to 9.04 https://bugs.launchpad.net/bugs/368642 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
