beta 1 failed on linux mipsel

trying to test beta 1 on Debian linux mipsel (sarge). I am getting the following error "PANIC: stuck spinlock
(0x2b052030) detected at lwlock.c:246" during initdb. here is the complete initdb run.

postgres(at)raq:~$ initdb
The files belonging to this database system will be owned by user "postgres".
This user must also own the server process.

The database cluster will be initialized with locale C.

creating directory /usr/local/pgsql/data ... ok
creating directory /usr/local/pgsql/data/global ... ok
creating directory /usr/local/pgsql/data/pg_xlog ... ok
creating directory /usr/local/pgsql/data/pg_xlog/archive_status ... ok
creating directory /usr/local/pgsql/data/pg_clog ... ok
creating directory /usr/local/pgsql/data/pg_subtrans ... ok
creating directory /usr/local/pgsql/data/base ... ok
creating directory /usr/local/pgsql/data/base/1 ... ok
creating directory /usr/local/pgsql/data/pg_tblspc ... ok
selecting default max_connections ... 10
selecting default shared_buffers ... 50
creating configuration files ... ok
creating template1 database in /usr/local/pgsql/data/base/1 ...

PANIC: stuck spinlock (0x2b052030) detected at lwlock.c:246
child process was terminated by signal 6
initdb: failed
initdb: removing data directory "/usr/local/pgsql/data"

let me know if this is a know issue and/or what other info you need.

Thanks
Jim