http://bugs.freedesktop.org/show_bug.cgi?id=21537
Summary: Many OpenGL applications locks in drm calls using R300
driver (xmoto, bzflag, openarena, kwin, ...)
Product: Mesa
Version: unspecified
Platform: x86-64 (AMD64)
URL: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-
video-ati/+bug/348450
OS/Version: Linux (All)
Status: NEW
Severity: critical
Priority: medium
Component: Drivers/DRI/r300
AssignedTo: dri-devel@lists.sourceforge.net
ReportedBy: suok...@gmail.com
There is ubuntu bug reports about the locking issue.
system:
Turion x2
M-Radeon x1400
Linux 2.6.28
mesa 7.4, git master and radeon-rewrite tested
drm 2.4.5, git master and modesetting-gem tested (modesetting not enabled)
compiz disabled
Steps to reproduce:
1. start xmoto 0.5.0
2. download all additional levels using button in top left corner (appears few
seconds after starting xmoto)
3. find level named "Beginners journey part three"
4. just play game about 5 seconds and xmoto will crash (It happens near the 3rd
tree visible to player after 2nd steep drop)
state of computer after lock:
- ssh is only way to communicate with computer.
- xmoto is locked in drm call
- Xorg is locked in drm call
- I have seen report that drm heavy lock count is 3 so there is one more
unknown application locked too but I couldn't guess which one.
- Backtrace from xmoto and xorg uing stock Ubuntu mesa/drm can be found from
Ubuntu bug report. I haven't been able to get backtrace drom newer drivers
because gdb hangs when I try to attach with newer drivers.
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