[Bug 92214] Flightgear crashes during splashboot with R600 driver and mesa 11.0.2

[bugzilla-daemon@freedesktop.org]

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https://bugs.freedesktop.org/show_bug.cgi?id=92214

            Bug ID: 92214
           Summary: Flightgear crashes during splashboot with R600 driver
                    and mesa 11.0.2
           Product: Mesa
           Version: 11.0
          Hardware: Other
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: mister.freeman@laposte.net
        QA Contact: dri-devel@lists.freedesktop.org

Created attachment 118566
  --> https://bugs.freedesktop.org/attachment.cgi?id=118566&action=edit
gdb backtrace

I use archlinux 64 bits, flightgear 3.4, ( CPU : intel pentium dual core 3.3
Ghz, 4 Gb ram, graphic card : radeon HD4650 Pcie ),

flightgear worked well 2 mounths ago, but since a recent upgrade of some system
packages ( mesa 11.0.2-1, kernel 4.2.1, xorg-server 1.17.2-4, gcc-multilib
5.2.0-2 ) it doesn't work,

I think mesa 11 is the culprit,

flightgear doesn't work, it crash few seconds after the display of the splash
screen,

the error message in the console is :

Illegal instruction (core dumped)

I have a radeon HD4650 Pci with open source driver ( radeon ), maybe the bug
doesn't occur with a nvidia graphic card,

glxinfo :

OpenGL vendor string: X.Org
OpenGL renderer string: Gallium 0.4 on AMD RV730 (DRM 2.43.0, LLVM 3.7.0)
OpenGL core profile version string: 3.3 (Core Profile) Mesa 11.0.2
OpenGL core profile shading language version string: 3.30

I tried to debug with gdb and I get a backtrace :

(gdb) thread apply all bt full

Thread 13 (Thread 0x7fffeb18c700 (LWP 18427)):
#0  0x00007ffff770907f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
No symbol table info available.
#1  0x0000000001176bfb in LogStreamPrivate::run() ()
No symbol table info available.
#2  0x000000000125c1ea in SGThread::PrivateData::start_routine(void*) ()
No symbol table info available.
#3  0x00007ffff77034a4 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#4  0x00007ffff294a13d in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 12 (Thread 0x7fffe4151700 (LWP 18426)):
#0  0x00007ffff294118d in poll () from /usr/lib/libc.so.6
No symbol table info available.
#1  0x00007fffdc1425e6 in ?? () from /usr/lib/libasound.so.2
No symbol table info available.
#2  0x00007ffff7bae55a in ?? () from /usr/lib/libopenal.so.1
No symbol table info available.
#3  0x00007ffff7bb70d7 in ?? () from /usr/lib/libopenal.so.1
No symbol table info available.
#4  0x00007ffff77034a4 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#5  0x00007ffff294a13d in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 10 (Thread 0x7fffdffff700 (LWP 18400)):
#0  0x00007ffff770907f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
No symbol table info available.
#1  0x000000000117fdcb in (anonymous namespace)::Resolver::run() ()
No symbol table info available.
---Type <return> to continue, or q <return> to quit---
#2  0x000000000125c1ea in SGThread::PrivateData::start_routine(void*) ()
No symbol table info available.
#3  0x00007ffff77034a4 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#4  0x00007ffff294a13d in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 7 (Thread 0x7fffe5d4f700 (LWP 18378)):
#0  0x00007ffff7fe45eb in ?? ()
No symbol table info available.
#1  0x0000000001cb2490 in ?? ()
No symbol table info available.
#2  0x00007fffe5d4d740 in ?? ()
No symbol table info available.
#3  0x0000000000000007 in ?? ()
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.

Thread 6 (Thread 0x7fffe6755700 (LWP 18372)):
#0  0x00007ffff770907f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
No symbol table info available.
#1  0x00007fffea16e04a in ?? () from /usr/lib/xorg/modules/dri/r600_dri.so
No symbol table info available.
#2  0x00007fffea16d787 in ?? () from /usr/lib/xorg/modules/dri/r600_dri.so
No symbol table info available.
#3  0x00007ffff77034a4 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#4  0x00007ffff294a13d in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 1 (Thread 0x7ffff7ee5800 (LWP 18362)):
---Type <return> to continue, or q <return> to quit---
#0  0x00007ffff770907f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
No symbol table info available.
#1  0x00007ffff5bdc1ee in OpenThreads::Condition::wait(OpenThreads::Mutex*) ()
from /usr/lib/libOpenThreads.so.20
No symbol table info available.
#2  0x00007ffff665a898 in osgViewer::ViewerBase::renderingTraversals() () from
/usr/lib/libosgViewer.so.100
No symbol table info available.
#3  0x0000000000d64edb in fgOSMainLoop ()
    at
/home/cesar/compilation/pkg/flightgear3.4/src/flightgear-3.4.0/src/Viewer/fg_os_osgviewer.cxx:335
No locals.
#4  0x0000000000725fef in fgMainInit (argc=16, argv=<optimized out>)
    at
/home/cesar/compilation/pkg/flightgear3.4/src/flightgear-3.4.0/src/Main/main.cxx:519
        version = "3.4.0"
        col = <optimized out>
        configResult = <optimized out>
        showLauncher = <optimized out>
        result = <optimized out>
#5  0x00000000006d48aa in main (argc=16, argv=0x7fffffffe3a8)
    at
/home/cesar/compilation/pkg/flightgear3.4/src/flightgear-3.4.0/src/Main/bootstrap.cxx:234
        _hostname = "ultima-dbr\000\000\000\000\000\000[\000\000\000n", '\000'
<repeats 19 times>,
"w\000\000\000|\000\000\000pF\270\363\377\177\000\000В\217\001\000\000\000\000\200qG\001\000\000\000\000\300qG\001\000\000\000\000\003\000\000\000\000\000\000\000Xwh\363\377\177\000\000\003\000\000\000\000\000\000\000\000{\207\063\331a+\267\020\004\000\000\000\000\000\000@qG\001\000\000\000\000yF\270\363\377\177\000\000\200qG\001\000\000\000\000\300qG\001\000\000\000\000\201\062h\363\377\177\000\000В\217\001\000\000\000\000\000{\207\063\331a+\267\200qG\001\000\000\000\000\030\002\000\000\000\000\000\000\032\002\000\000\000\000\000\000\031\002"...
        fgviewer = false

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