[Bug 31876] New: r600g crashes in screen init

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=31876

           Summary: r600g crashes in screen init
           Product: Mesa
           Version: git
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
        AssignedTo: dri-devel at lists.freedesktop.org
        ReportedBy: snorp at snorp.net


gdb --args glxinfo
GNU gdb (GDB) 7.1-ubuntu
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "i486-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/bin/glxinfo...(no debugging symbols found)...done.
(gdb) run
Starting program: /usr/bin/glxinfo 
[Thread debugging using libthread_db enabled]
name of display: :0.0
libGL: XF86DRIGetClientDriverName: 4.3.0 r600 (screen 0)
libGL: OpenDriver: trying /usr/lib/dri/gallium/tls/r600_dri.so
libGL: OpenDriver: trying /usr/lib/dri/gallium/r600_dri.so
drmOpenDevice: node name is /dev/dri/card0
drmOpenDevice: open result is 6, (OK)
drmOpenByBusid: Searching for BusID pci:0000:01:05.0
drmOpenDevice: node name is /dev/dri/card0
drmOpenDevice: open result is 6, (OK)
drmOpenByBusid: drmOpenMinor returns 6
drmOpenByBusid: Interface 1.4 failed, trying 1.1
drmOpenByBusid: drmGetBusid reports pci:0000:01:05.0

Program received signal SIGSEGV, Segmentation fault.
0x00000000 in ?? ()
(gdb) bt
#0  0x00000000 in ?? ()
#1  0x006b4ecd in driCreateNewScreen (scrn=0, ddx_version=0xbffff208, 
    dri_version=0xbffff1fc, drm_version=0xbffff1f0, frame_buffer=0xbffff1d4, 
    pSAREA=0xb7ffb000, fd=6, extensions=0x17e2cc, driver_modes=0xbffff218, 
    loaderPrivate=0x805b628) at ../common/dri_util.c:830
#2  0x0016a820 in CallCreateNewScreen (screen=0, priv=0x805a2e0)
    at dri_glx.c:434
#3  driCreateScreen (screen=0, priv=0x805a2e0) at dri_glx.c:875
#4  0x00147a2c in AllocAndFetchScreenConfigs (dpy=0x8050008) at glxext.c:762
#5  __glXInitialize (dpy=0x8050008) at glxext.c:859
#6  0x0014485a in GetGLXPrivScreenConfig (dpy=0x8050008, scrn=0, 
    ppriv=0xbffff44c, ppsc=0xbffff448) at glxcmds.c:130
#7  0x001459c6 in glXChooseVisual (dpy=0x8050008, screen=0, 
    attribList=0x804f0e0) at glxcmds.c:1152
#8  0x080493a8 in ?? ()
#9  0x0804a44c in ?? ()
#10 0x002f9bd6 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#11 0x08048e11 in ?? ()

This is with xorg-edgers in Ubuntu Lucid, which has Mesa as of 20101122.  I'm
running on a 785G.

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