On 2012.12.19 at 09:47 -0500, Alex Deucher wrote: > On Wed, Dec 19, 2012 at 9:41 AM, Paul Menzel > <paulepanter at users.sourceforge.net> wrote: > > Am Mittwoch, den 19.12.2012, 15:18 +0100 schrieb Maarten Lankhorst: > >> Fix regression introduced by 85b144f860176 > > > > Thanks for the catch and patch. > > > > Also please add the commit summary to make the commit message self > > contained? > > > > The problem description would also be nice. > > > >> Signed-off-by: Maarten Lankhorst <maarten.lankhorst at canonical.com> > >> Reported-by: Markus Trippelsdorf <markus at trippelsdorf.de> > > Message-ID: <20121217182752.GA351 at x4> > > > >> --- > >> > >> diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c > >> index 0bf66f9..9f85418 100644 > >> --- a/drivers/gpu/drm/ttm/ttm_bo.c > >> +++ b/drivers/gpu/drm/ttm/ttm_bo.c > >> @@ -579,7 +579,7 @@ static int ttm_bo_cleanup_refs_and_unlock(struct > >> ttm_buffer_object *bo, > >> * at this point the buffer should be dead, so > >> * no new sync objects can be attached. > >> */ > >> - sync_obj = driver->sync_obj_ref(&bo->sync_obj); > >> + sync_obj = driver->sync_obj_ref(bo->sync_obj); > > > > Any idea, why this only had an impact for one person so far? > > There are several radeon bugs from drm-next 3.8 that may be ultimately > related to this.
This patch fixes the kernel BUG, but now I get these errors in my Xorg.log: [ 23.092] [mi] Increasing EQ size to 512 to prevent dropped events. (EE) [mi] EQ overflowing. Additional events will be discarded until existing events are processed. (EE) (EE) Backtrace: (EE) 0: /usr/bin/X (xorg_backtrace+0x3d) [0x584f1d] (EE) 1: /usr/bin/X (mieqEnqueue+0x21b) [0x56615b] (EE) 2: /usr/bin/X (QueuePointerEvents+0x52) [0x44a792] (EE) 3: /usr/bin/X (xf86PostButtonEvent+0xd5) [0x4829b5] (EE) 4: /usr/lib64/xorg/modules/input/mouse_drv.so (0x7ff8f2501000+0x6b70) [0x7ff8f2507b70] (EE) 5: /usr/lib64/xorg/modules/input/mouse_drv.so (0x7ff8f2501000+0x73a0) [0x7ff8f25083a0] (EE) 6: /usr/lib64/xorg/modules/input/mouse_drv.so (0x7ff8f2501000+0x428c) [0x7ff8f250528c] (EE) 7: /usr/bin/X (0x400000+0x71cd8) [0x471cd8] (EE) 8: /usr/bin/X (0x400000+0x9a2ab) [0x49a2ab] (EE) 9: /lib/libpthread.so.0 (0x7ff8f1edc000+0xf260) [0x7ff8f1eeb260] (EE) 10: /lib/libc.so.6 (ioctl+0x7) [0x7ff8f19bd127] (EE) 11: /usr/lib/libdrm.so.2 (drmIoctl+0x34) [0x7ff8f246a634] (EE) 12: /usr/lib/libdrm.so.2 (drmCommandWriteRead+0x1f) [0x7ff8f246cbdf] (EE) 13: /usr/lib/libdrm_radeon.so.1 (0x7ff8f250e000+0x27bf) [0x7ff8f25107bf] (EE) 14: /usr/lib64/xorg/modules/drivers/radeon_drv.so (0x7ff8f154f000+0x407ec) [0x7ff8f158f7ec] (EE) 15: /usr/bin/X (_CallCallbacks+0x34) [0x438894] (EE) 16: /usr/bin/X (FlushAllOutput+0x2c) [0x5880ec] (EE) 17: /usr/bin/X (0x400000+0x33aa1) [0x433aa1] (EE) 18: /usr/bin/X (0x400000+0x230cd) [0x4230cd] (EE) 19: /lib/libc.so.6 (__libc_start_main+0xf5) [0x7ff8f19088b5] (EE) 20: /usr/bin/X (0x400000+0x22c09) [0x422c09] (EE) (EE) [mi] These backtraces from mieqEnqueue may point to a culprit higher up the stack. (EE) [mi] mieq is *NOT* the cause. It is a victim. (EE) [mi] EQ overflow continuing. 100 events have been dropped. (EE) (EE) Backtrace: (EE) 0: /usr/bin/X (xorg_backtrace+0x3d) [0x584f1d] (EE) 1: /usr/bin/X (QueuePointerEvents+0x52) [0x44a792] (EE) 2: /usr/bin/X (xf86PostButtonEvent+0xd5) [0x4829b5] (EE) 3: /usr/lib64/xorg/modules/input/mouse_drv.so (0x7ff8f2501000+0x6b70) [0x7ff8f2507b70] (EE) 4: /usr/lib64/xorg/modules/input/mouse_drv.so (0x7ff8f2501000+0x73a0) [0x7ff8f25083a0] (EE) 5: /usr/lib64/xorg/modules/input/mouse_drv.so (0x7ff8f2501000+0x428c) [0x7ff8f250528c] (EE) 6: /usr/bin/X (0x400000+0x71cd8) [0x471cd8] (EE) 7: /usr/bin/X (0x400000+0x9a2ab) [0x49a2ab] (EE) 8: /lib/libpthread.so.0 (0x7ff8f1edc000+0xf260) [0x7ff8f1eeb260] (EE) 9: /lib/libc.so.6 (ioctl+0x7) [0x7ff8f19bd127] (EE) 10: /usr/lib/libdrm.so.2 (drmIoctl+0x34) [0x7ff8f246a634] (EE) 11: /usr/lib/libdrm.so.2 (drmCommandWriteRead+0x1f) [0x7ff8f246cbdf] (EE) 12: /usr/lib/libdrm_radeon.so.1 (0x7ff8f250e000+0x27bf) [0x7ff8f25107bf] (EE) 13: /usr/lib64/xorg/modules/drivers/radeon_drv.so (0x7ff8f154f000+0x407ec) [0x7ff8f158f7ec] (EE) 14: /usr/bin/X (_CallCallbacks+0x34) [0x438894] (EE) 15: /usr/bin/X (FlushAllOutput+0x2c) [0x5880ec] (EE) 16: /usr/bin/X (0x400000+0x33aa1) [0x433aa1] (EE) 17: /usr/bin/X (0x400000+0x230cd) [0x4230cd] (EE) 18: /lib/libc.so.6 (__libc_start_main+0xf5) [0x7ff8f19088b5] (EE) 19: /usr/bin/X (0x400000+0x22c09) [0x422c09] (EE) (EE) [mi] EQ overflow continuing. 200 events have been dropped. And the pictures get distorted on the test-webpage when I scroll up and down, see: http://trippelsdorf.de/bad.png -- Markus
