Latest working kernel version:2.6.28 Earliest failing kernel version:2.6.29-rc1 Distribution:Gentoo Hardware Environment:Core2 duo 6700, Radeon X300 Software Environment: Xorg-x11 7.4, xf86-video-ati 6.10, kde-4.1.3, libx11 1.1.5 Problem Description: On switching from KDE-4 with desktop effects enabled to 'text' console and back leave X hung with top, approximately 1/3, of screen corrupted, keyboard and mouse are unresponsive. SAK K returns to kdm login screen. If desktop effects are not enabled, all works OK. I have bisected the problem and the commit which introduces it is 7c1c2871a6a3a114853ec6836e9035ac1c0c7f7a drm: move to kref per-master structures. Steps to reproduce:Configure kernel for radeonfb, Start KDE with desktop effects enabled Switch to 'text' console and back to X Top, approximately 1/3, of screen is corrupted, keyboard and mouse are unresponsive. SAK K returns to kdm login screen.
Created attachment 19778 [details] Xorg log following failure
First-Bad-Commit : 7c1c2871a6a3a114853ec6836e9035ac1c0c7f7a
On Monday 16 February 2009, Graham Murray wrote: > "Rafael J. Wysocki" <rjw@sisk.pl> writes: > > > This message has been generated automatically as a part of a report > > of recent regressions. > > > > The following bug entry is on the current list of known regressions > > from 2.6.28. Please verify if it still should be listed and let me know > > (either way). > > > > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12444 > > Subject : X hangs following switch from radeonfb console - > Bisected > > Submitter : Graham Murray <graham@gmurray.org.uk> > > Date : 2009-01-13 14:03 (33 days old) > > First-Bad-Commit: > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7c1c2871a6a3a114853ec6836e9035ac1c0c7f7a > > I am still seeing the problem with 2.6.29-rc5
Caused by: commit 7c1c2871a6a3a114853ec6836e9035ac1c0c7f7a Author: Dave Airlie <airlied@redhat.com> Date: Fri Nov 28 14:22:24 2008 +1000 drm: move to kref per-master structures. Signed-off-by: Dave Airlie <airlied@redhat.com>
On Saturday 07 March 2009, Graham Murray wrote: > "Rafael J. Wysocki" <rjw@sisk.pl> writes: > > > This message has been generated automatically as a part of a report > > of recent regressions. > > > > The following bug entry is on the current list of known regressions > > from 2.6.28. Please verify if it still should be listed and let me know > > (either way). > > > > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12444 > > Subject : X hangs following switch from radeonfb console - > Bisected > > Submitter : Graham Murray <graham@gmurray.org.uk> > > Date : 2009-01-13 14:03 (50 days old) > > I am still seeing the same symptoms in 2.6.29-rc7-0003-g559595a.
On Sunday 15 March 2009, Graham Murray wrote: > I am no longer seeing this problem with 2.6.29-rc8-00090g326d851, but I > have also upgrade various parts of X including the radeon driver to > version 6.12.0. > > > This message has been generated automatically as a part of a report > > of recent regressions. > > > > The following bug entry is on the current list of known regressions > > from 2.6.28. Please verify if it still should be listed and let me know > > (either way). > > > > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12444 > > Subject : X hangs following switch from radeonfb console - > Bisected > > Submitter : Graham Murray <graham@gmurray.org.uk> > > Date : 2009-01-13 14:03 (61 days old)