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 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-ati in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp