Fedora 9 / Panic

[Dylan Stamat]

I'm getting the following error in the error.log:
panic: MUTEX_LOCK (22) [op.c:453].

 > nginx -v
nginx version: nginx/0.6.31

 > uname -a
Linux woot 2.6.18-xen #1 SMP Tue Feb 12 06:40:50 UTC 2008 x86_64  
x86_64 x86_64 GNU/Linux

 > gcc -v
Using built-in specs.
Target: x86_64-redhat-linux
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man -- 
infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla 
  --enable-bootstrap --enable-shared --enable-threads=posix --enable- 
checking=release --with-system-zlib --enable-__cxa_atexit --disable- 
libunwind-exceptions --enable-languages=c,c++,objc,obj-c+ 
+,java,fortran,ada --enable-java-awt=gtk --disable-dssi --enable- 
plugin --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre -- 
enable-libgcj-multifile --enable-java-maintainer-mode --with-ecj-jar=/ 
usr/share/java/eclipse-ecj.jar --disable-libjava-multilib --with- 
cpu=generic --build=x86_64-redhat-linux
Thread model: posix
gcc version 4.3.0 20080428 (Red Hat 4.3.0-8) (GCC)


Any insight would be appreciated :)
Thanks !