Bug#443794: xserver-xorg: server crashes randomly in libGLcore

[Marcus Better <marcus@better.se>]

Brice Goglin skrev:
> You still have no easy way to reproduce this?

Visiting http://www.di.se works for me every time :)

> Could you enter 'bt full' instead of 'bt' in gdb next time?

Yes. Here it is:

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x2adb175b5240 (LWP 6629)]
0x00002adb29c1c27e in _mesa_set_viewport (ctx=0x225c3e0, x=0, y=0, 
width=140, height=175)
    at matrix.c:597
597     matrix.c: No such file or directory.
        in matrix.c
(gdb) bt full
#0  0x00002adb29c1c27e in _mesa_set_viewport (ctx=0x225c3e0, x=0, y=0, 
width=140,
    height=175) at matrix.c:597
No locals.
#1  0x00002adb181e892c in DoRender (cl=<value optimized out>, 
pc=0x3073ab8 "\024",
    do_swap=0) at ../../../GL/glx/glxcmds.c:1851
        entry = {bytes = 20, varsize = 0}
        extra = 0
        proc = (__GLXdispatchRenderProcPtr) 0x2adb181ef570 
<__glXDisp_Viewport>
        err = 0
        client = (ClientPtr) 0x1534490
        left = 15328
        cmdlen = 20
        error = 0
        commandsDone = 0
        glxc = (__GLXcontext *) 0x225c300
        sw = <value optimized out>
#2  0x00002adb181ec72c in __glXDispatch (client=0x1534490) at 
../../../GL/glx/glxext.c:561
        stuff = (xGLXSingleReq *) 0x3073ab0
        opcode = <value optimized out>
        proc = (__GLXdispatchSingleProcPtr) 0x2adb181e8a40 
<__glXDisp_Render>
        cl = (__GLXclientState *) 0x21d6310
        retval = 1
#3  0x000000000044e210 in Dispatch () at ../../dix/dispatch.c:502
        clientReady = <value optimized out>
        result = <value optimized out>
        client = (ClientPtr) 0x1534490
        nready = 0
        start_tick = 26000
#4  0x0000000000436a1c in main (argc=8, argv=0x7fff953a86e8, envp=<value 
optimized out>)
---Type <return> to continue, or q <return> to quit---
    at ../../dix/main.c:452
        pScreen = <value optimized out>
        i = 1
        error = 0
        xauthfile = <value optimized out>
        alwaysCheckForInput = {0, 1}
(gdb)



Marcus