http://bugs.freedesktop.org/show_bug.cgi?id=25398
Summary: DRI not working with HD3870
Product: DRI
Version: unspecified
Platform: x86-64 (AMD64)
OS/Version: Linux (All)
Status: NEW
Severity: major
Priority: medium
Component: DRM/Radeon
AssignedTo: dri-devel@lists.sourceforge.net
ReportedBy: freedesk...@shakaweb.org
I've got a Radeon HD3870 which I'm not able to use with DRI on my Debian
system. First I didn't get anything but a black screen when starting X, until I
changed Driver to radeonhd.
With Debian's radeonhd without DIR I get a working X but that's the only
configuration that works.
Not working configurations include:
- Explicitly enabling DRI/EXA in xorg.conf
- Using Debian's radeon driver (since it has DRI enabled by default)
- Using current git version of xf86-video-ati
- Using current git version or official version 1.3.0 release of radeonhd
driver which also brings default DRI
With all those setups I only get a black screen - sometimes with some fragments
of what should show up - and a very juddering mouse cursor. I can't do nothing
but reset the computer to get out of there. Using ssh I was able to figure out
that Xorg uses 100% of the CPU.
As you can see in the log file attached, radeonhd gives continuous "(WW)
RADEONHD(0): DRMCPIdle: DRM CP IDLE returned BUSY!" messages.
Any ideas how to debug?
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