http://bugs.freedesktop.org/show_bug.cgi?id=20235
Summary: [i915] [Regression] VT switch and suspend to disk broken Product: DRI Version: unspecified Platform: x86 (IA32) OS/Version: Linux (All) Status: NEW Severity: normal Priority: medium Component: DRM/Intel AssignedTo: gordon....@intel.com ReportedBy: stava...@unina.it CC: dri-devel@lists.sourceforge.net Created an attachment (id=23139) --> (http://bugs.freedesktop.org/attachment.cgi?id=23139) dmesg My system: 00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 0c) kernel: airlied's drm-fixed branch as of 2009-02-20 (commit: ** author etienne <etienne.bas...@numericable.fr> Thu, 19 Feb 2009 23:44:45 +0000 (09:44 +1000) drm/radeon: update sarea copies of last_ variables on resume. ** ) >From debian experimental: xserver 1.5.99.902 mesa 7.3 libdrm 2.4.4+git+20090205 intel 2.6.1 Acceleration: UXA VT switch and suspend to disk are broken. Even restarting or shutting down from X (KDE) makes the system freeze with a black screen. Attached are dmesg taken (by ssh) after rebooting from KDE and Xorg.log. According to the dmesg output, the problem seems to be: BUG: unable to handle kernel NULL pointer dereference at 00000050 IP: [<f87a009d>] i915_gem_cleanup_hws+0x1d/0x70 [i915] I have used git-bisect and found that the first bad commit is: ** author Chris Wilson <ch...@chris-wilson.co.uk> Wed, 11 Feb 2009 14:52:44 +0000 (14:52 +0000) commit 85a7bb98582b60b7e9130159d2464eb0bbac13f7 drm/i915: Cleanup the hws on ringbuffer constrution failure. If we fail to create the ringbuffer, then we need to cleanup the allocated hws. ** Reverting this single commit makes everything work again. regards, Stefano -- Configure bugmail: http://bugs.freedesktop.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug. ------------------------------------------------------------------------------ Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA -OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise -Strategies to boost innovation and cut costs with open source participation -Receive a $600 discount off the registration fee with the source code: SFAD http://p.sf.net/sfu/XcvMzF8H -- _______________________________________________ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel