2.6.15-mm4 failure on power5

[Dave C Boutcher]

On Tue, Jan 17, 2006 at 10:52:44AM -0600, Dave C Boutcher wrote:
> Well, it turns out that I've been running with CONFIG_DEBUG_MUTEXES all
> along...so no noise.  My console output is a little different that
> Serge's, so I think this is timing related.  Also note that I'm dying in
> the timer interrupt...

duh... here's the backtrace
0:mon> t
[c000000000577890] c0000000000034b4 decrementer_common+0xb4/0x100
--- Exception: 901 (Decrementer) at c0000000004627ec
.__mutex_lock_interruptible_slowpath+0x3bc/0x4c4
[c000000000577c60] c000000000075064 .__lock_cpu_hotplug+0x44/0xa8
[c000000000577ce0] c000000000075600 .register_cpu_notifier+0x24/0x68
[c000000000577d70] c00000000052cd7c .do_init_bootmem+0x68c/0xab0
[c000000000577e50] c000000000522c84 .setup_arch+0x21c/0x2c0
[c000000000577ef0] c00000000051a538 .start_kernel+0x40/0x280
[c000000000577f90] c000000000008574 .hmt_init+0x0/0x8c


-- 
Dave Boutcher