http://bugs.freedesktop.org/show_bug.cgi?id=11174
Summary: Regression (missing / black vertices) between 6.4.2 and
6.5.1 (with trackballs)
Product: Mesa
Version: 6.5
Platform: Other
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: Mesa core
AssignedTo: [email protected]
ReportedBy: [EMAIL PROTECTED]
I'm a Fedora developer who amongst other things packages the game trackballs.
Yesterday I updated trackballs to a new upstream release and when testing found
out that many vertices were black / missing, reverting to the previous
trackballs release didn't fix this, so something else broke.
After a couple of hours of plugging in different versions of different software
components in my system, I've come to the conclusion that this problem was
caused by a change in mesa between 6.4.2 and 6.5.1 .
Here is how I deducted this:
1) upgrade mesa-libGL* to a home build 6.5.3 release, this fixes trackballs
from
crashing on i386, which it does with 6.5.2 on i386/i810 and i386/r200, but
doesn't fix the missing vertices problem seen with 6.5.2 on x86_64/r300
2) downgrade mesa-libGL* to 6.5.1, doesn't fix the problem (tried on
x86_64/r300 and i386/i810)
3) downgrade mesa-libGL to 6.4.2, downgrade xorg-x11-server-Xorg +
xorg-x11-drv-* from 7.1 to 1.0.1 and libdrm from 2.3.0 to 2.0 to match
now it works! (only tested on i386/i810)
4) upgrade mesa-libGLU to 6.5.2, still works
How to reproduce:
1) Use mesa >= 6.5.1 (notice 6.5.2 will segfault on i386)
2) Install the games trackballs:
http://sourceforge.net/project/showfiles.php?group_id=73866
3) Run trackballs, select "new game" then "start game" then press the spacebar
notice that while the "press space" message is there everything looks fine,
but once you press space a lot of vertices go black.
Seen on:
Fedora 7 on x86_64/r300 with Mesa 6.5.1-6.5.3, i386/r200 i386/i810 with
Mesa-6.5.3
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