Emulator

What steps will reproduce the problem?
1.run sonic 4
2.start mad gear zone act 1

What is the expected output? What do you see instead?
crashes right as displaying level
Dolphin version with the problem? Other Dolphin version without the
problem?
svn 6427 : haven't checked any other version.
32-bit or 64-bit and any other build parameters?
64 bit
OS version and versions of tools/libraries used?
opensuse 11.3
Please provide any additional information below.
backtrace:
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffe1653710 (LWP 23052)]
0x00007fffe18eaf18 in TexDecoder_Decode_real(unsigned char*, unsigned char const*, int, int, int, int, int) () from plugins/libPlugin_VideoOGL.so
(gdb) bt
#0 0x00007fffe18eaf18 in TexDecoder_Decode_real(unsigned char*, unsigned char const*, int, int, int, int, int) () from plugins/libPlugin_VideoOGL.so
#1 0x00007fffe18f3165 in TexDecoder_Decode(unsigned char*, unsigned char const*, int, int, int, int, int, bool) () from plugins/libPlugin_VideoOGL.so
#2 0x00007fffe18cdee5 in TextureCache::Load(int, unsigned int, int, int, unsigned int, int, int) () from plugins/libPlugin_VideoOGL.so
#3 0x00007fffe18d45d9 in VertexManager::Flush() () from plugins/libPlugin_VideoOGL.so
#4 0x00007fffe191f33a in LoadXFReg(unsigned int, unsigned int, unsigned int*) ()
from plugins/libPlugin_VideoOGL.so
#5 0x00007fffe18e8845 in Decode() () from plugins/libPlugin_VideoOGL.so
#6 0x00007fffe18e8e05 in OpcodeDecoder_Run(bool) () from plugins/libPlugin_VideoOGL.so
---Type <return> to continue, or q <return> to quit---
#7 0x00007fffe191a3c3 in Fifo_EnterLoop(SVideoInitialize const&) ()
from plugins/libPlugin_VideoOGL.so
#8 0x00000000004e653b in Core::EmuThread(void*) ()
#9 0x0000000000000000 in ?? ()