Never mind. I tracked it down, it's not a Mesa or DRI error. In fact it was fixed in the new upstream version 4.06. The strange backtrace is because a function overwrites its own return address with 0.
Regards, Felix On Wed, 27 Nov 2002 10:55:45 +0100 Felix Kühling <[EMAIL PROTECTED]> wrote: > Hi, > > the circuit demo segfaults with direct and indirect rendering. It could > be a bug in circuit, but I didn't ever see this before the Mesa 5.0 > merge. My xscreensaver version is 4.05. > > With direct rendering it always occurs after about 45 seconds if I run > it with -delay 0 on my Radeon 7500. This indicates that it somehow > happens after a certain number of frames. I got a backtrace, but I'm not > sure what I should make of it: > > (gdb) run -delay 0 > Starting program: /usr/lib/xscreensaver/circuit -delay 0 > [New Thread 1024 (LWP 619)] > > Program received signal SIGSEGV, Segmentation fault. > [Switching to Thread 1024 (LWP 619)] > 0x00000000 in ?? () > (gdb) bt > #0 0x00000000 in ?? () > (gdb) > > Looks like someone calls a NULL function pointer. > > Regards, > Felix > > __\|/__ ___ ___ ___ > __Tschüß_______\_6 6_/___/__ \___/__ \___/___\___You can do anything,___ > _____Felix_______\Ä/\ \_____\ \_____\ \______U___just not everything____ > [EMAIL PROTECTED] >o<__/ \___/ \___/ at the same time! > > > ------------------------------------------------------- > This SF.net email is sponsored by: Get the new Palm Tungsten T > handheld. Power & Color in a compact size! > http://ads.sourceforge.net/cgi-bin/redirect.pl?palm0002en > _______________________________________________ > Dri-devel mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/dri-devel > > __\|/__ ___ ___ ___ __Tschüß_______\_6 6_/___/__ \___/__ \___/___\___You can do anything,___ _____Felix_______\Ä/\ \_____\ \_____\ \______U___just not everything____ [EMAIL PROTECTED] >o<__/ \___/ \___/ at the same time! ------------------------------------------------------- This SF.net email is sponsored by: Get the new Palm Tungsten T handheld. Power & Color in a compact size! http://ads.sourceforge.net/cgi-bin/redirect.pl?palm0002en _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
