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[Dee <664933@xxxxxxxxxxxxxxxxxx>]

I can confirm this on a ATI Radeon HD 4850 (chipset RV770). If I use the
radeon driver, glxinfo crashed almost immediately:


$ glxinfo
name of display: :0.0
Segmentation fault


Here's the stack trace from gdb:

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff7e5d38e in XF86DRIQueryVersion () from /usr/lib/libGL.so.1
(gdb) where
#0  0x00007ffff7e5d38e in XF86DRIQueryVersion () from /usr/lib/libGL.so.1
#1  0x00007ffff7e5d529 in XF86DRIQueryExtension () from /usr/lib/libGL.so.1
#2  0x00007ffff7e5ce3c in ?? () from /usr/lib/libGL.so.1
#3  0x00007ffff7e3c51f in ?? () from /usr/lib/libGL.so.1
#4  0x00007ffff7e388d1 in ?? () from /usr/lib/libGL.so.1
#5  0x00007ffff7e38aae in glXChooseVisual () from /usr/lib/libGL.so.1
#6  0x0000000000401760 in ?? ()
#7  0x0000000000402f2f in ?? ()
#8  0x00007ffff72a2c4d in __libc_start_main () from /lib/libc.so.6
#9  0x00000000004012f9 in ?? ()
#10 0x00007fffffffe3f8 in ?? ()
#11 0x000000000000001c in ?? ()
#12 0x0000000000000001 in ?? ()
#13 0x00007fffffffe69d in ?? ()
#14 0x0000000000000000 in ?? ()


dmesg tells me only:

[ 1910.362629] glxinfo[2222]: segfault at 4 ip 00007f6e42b8838e sp
00007fff2a946770 error 4 in libGL.so.1.2[7f6e42b2d000+ae000]


The Xorg.0.log says:

(EE) RADEON(0): [dri] RADEONDRIGetVersion failed to open the DRM
[dri] Disabling DRI.
(WW) RADEON(0): Direct rendering disabled
(EE) RADEON(0): Acceleration initialization failed
(II) RADEON(0): Acceleration disabled


This happens on Xubuntu 10.04 64bit.

-- 
[RV620] 3D acceleration doesn't work on HD4200
https://bugs.launchpad.net/bugs/664933
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