problem with smp and isolcpus

[Jay Estabrook]

On Wed, Jul 27, 2005 at 12:26:26PM +1000, Samad, Alex wrote:
> 
> Seem to have a problem with one of my cpus on a ES45, cpu2 seems to be
> dying, I have had 3 lockups in 2 days 
> 
> Jul 26 12:26:23 keyzervega kernel: smp_call_function_on_cpu: initial
> timeout -- trying long wait
> Jul 26 12:26:53 keyzervega kernel: lib/kernel_lock.c:229 spinlock stuck
> in nifd at fffffc00012c65f0(3) owner hald-addon-stor at fffffc00012c65f
> 0(0) lib/kernel_lock.c:229
> Jul 26 12:26:53 keyzervega kernel: lib/kernel_lock.c:229 spinlock stuck
> in automount at fffffc00012c65f0(1) owner hald-addon-stor at fffffc0001
> 2c65f0(0) lib/kernel_lock.c:229
> Jul 26 12:26:53 keyzervega kernel: Kernel bug at
> arch/alpha/kernel/smp.c:858
> Jul 26 12:26:53 keyzervega kernel: CPU 0 hald-addon-stor(1801): Kernel
> Bug 1

>From the above messages, it'd be more likely that CPU #0 was bad, because
that was where the lock was being held for too long.

However, what is more likely, is that the HAL daemon has crashed.

I've seen a number of machine checks due to HAL daemon startup, and
recommend thet it NOT BE STARTED.

> Is this a know issue is the a resolve, if not where can I log a bug?
> Where is bug tracking for it ?

The problems with the HAL daemon are known issues on Alpha.

 --Jay++

---------------------------------------------------------------
Jay A Estabrook                            HPTC - XC I & B
Hewlett-Packard Company - ZKO1-3/D-B.8     (603) 884-0301
110 Spit Brook Road, Nashua NH 03062       Jay.Estabrook at hp.com
---------------------------------------------------------------