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https://bugs.freedesktop.org/show_bug.cgi?id=4590
Summary: SegFault with glxinfo in savage_xmesa.c
Product: DRI
Version: XOrg CVS
Platform: PC
OS/Version: Linux
Status: NEW
Keywords: have-backtrace
Severity: normal
Priority: P2
Component: libGL
AssignedTo: [email protected]
ReportedBy: [EMAIL PROTECTED]
CC: [EMAIL PROTECTED]
I compiled and installed Xorg, Mesa and DRM from CVS today, following the
directions in the DRI wiki. I also copied libraries on Mesa/lib/ into
/usr/X11R6/lib/ and symlinked in /usr/lib, so the programs use mesa cvs
libraries.
Xorg says that DRI is enabled. No problems, no errors. All seem ok.
But when I run glxinfo I get a segmentation fault in savage_xmesa.c, line 834,
where it reads: "assert(backRb->Base.Data);"
I also get the same segfault in other programs, like the winpos demo.
Kernel 2.6.11.4 from SUSE.
Here is the backtrace:
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 1076967104 (LWP 14034)]
0x4036d3f4 in savageMakeCurrent (driContextPriv=0x805b528,
driDrawPriv=0x82dbb38, driReadPriv=0x82dbb38)
at savage_xmesa.c:834
834 assert(backRb->Base.Data);
(gdb) bt
#0 0x4036d3f4 in savageMakeCurrent (driContextPriv=0x805b528,
driDrawPriv=0x82dbb38,
driReadPriv=0x82dbb38) at savage_xmesa.c:834
#1 0x40367ec8 in DoBindContext (dpy=0x804d008, draw=58720258, read=58720258,
ctx=0x80583b8,
modes=0x8056c90, psp=0x8057768) at dri_util.c:344
#2 0x40367f61 in driBindContext (dpy=0x804d008, scrn=0, draw=58720258,
read=58720258, ctx=0x80583b8)
at dri_util.c:377
#3 0x4005bc29 in BindContextWrapper (dpy=0x804d008, gc=0x8058308,
draw=58720258, read=58720258)
at glxext.c:1522
#4 0x4005be4b in MakeContextCurrent (dpy=0x804d008, draw=58720258,
read=58720258, gc=0x8058308)
at glxext.c:1610
#5 0x4005c18f in glXMakeCurrent (dpy=0x804d008, draw=58720258, gc=0x8058308) at
glxext.c:1772
#6 0x08049ab7 in main (argc=1, argv=0xbffff144) at glxinfo.c:266
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