Re: [PATCH] drm/ttm: fix delayed ttm_bo_cleanup_refs_and_unlock delayed handling

[Markus Trippelsdorf <markus@trippelsdorf.de>]

On 2012.12.20 at 14:45 +0100, Markus Trippelsdorf wrote:
> On 2012.12.20 at 08:30 -0500, Alex Deucher wrote:
> > On Wed, Dec 19, 2012 at 9:33 AM, Markus Trippelsdorf
> > <markus@trippelsdorf.de> wrote:
> > > On 2012.12.19 at 15:18 +0100, Maarten Lankhorst wrote:
> > >> Fix regression introduced by 85b144f860176
> > >
> > > (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. See attached screenshot.
> > >
> > 
> > Anything in your kernel log that corresponds to the errors in your xorg log?
> 
> No. But I've found out that the errors in the xorg log are unrelated to
> the image corruption. 
> I use one of those Logitech mice with this "hyper" fast scrolling
> feature. And I guess the Xorg mouse driver just can't keep up with the
> fast input. So it's just a harmless warning that can be ignored, I
> guess.

And just in case it got lost in the noise yesterday: 
The image corruption is caused by Dave's commit:

commit dd54fee7d440c4a9756cce2c24a50c15e4c17ccb
Author: Dave Airlie <airlied@redhat.com>
Date:   Fri Dec 14 21:04:46 2012 +1000

    radeon: fix regression with eviction since evict caching changes

Reverting it 'fixes' the issue.

-- 
Markus