Hello,

I just got this panic after leaving my S900 idle for a few hours:

the bt:
0x0045eea0: at kernel ISI trap by ADBDevTable+0xd4f4f494: srr1=0x10009032
		rl=0x45ef60 cr=0x80009032 xer=0x20000000 ctr=0xd535e24c
0x0045ef60: at ext_intr:0x1d4
0x0045efa0: at trapstart+0x8f4
0xd5355e50: at idle:0x14
0xd5355e60: at mi_switch+0x198
0xd5355ea0: at ltsleep+0x41c
0xd5355ee0: at sched_sync+0x184
0xd5355f40: at cpu_switchto+0x44

the kernel has no multiprocessor support and runs on a G3/300MHz with 1MB cache at 150MHz.

have fun
Michael