wait_buffer_until_released on Debian 3 i386 2.4.22

Hi,

I' m having a problem on a HP/Compaq ProLiant ML350 with a SmartArray 
641 RAID controller. Sometimes (the first time ten days ago, the 
second time yesterday eventing) a smbd process seems to provocate a 
wait_buffer_until_released error. The smbd process is taking 100% of 
the CPU, no Windows client can do anything, but sshd works so I can 
connect.

Unfortunately, I was not able to see the messages after the reboot. 
For the OS the drive is one big drive with about 100 G space....

Is there any patch or fix or something other I can do?

Thank you very much!

Wolfgang