mpc83xx_restart() buggy

[Joakim Tjernlund]

> -----Original Message-----
> From: 
> linuxppc-dev-bounces+joakim.tjernlund=transmode.se at ozlabs.org 
> [mailto:linuxppc-dev-bounces+joakim.tjernlund=transmode.se at ozl
> abs.org] On Behalf Of Scott Wood
> Sent: 30 December 2006 00:04
> To: Kumar Gala
> Cc: Tjernlund; 'linuxppc-dev'
> Subject: Re: mpc83xx_restart() buggy
> 
> Kumar Gala wrote:
> > On Dec 27, 2006, at 6:45 PM, Tjernlund wrote:
> >>mpc83xx_restart() uses ioremap(), which doesn't like
> >>beeing called while in IRQ context.
> >>
> >>Calling mpc83xx_restart() in IRQ context yields OOPS
> >>which calls mpc83xx_restart() again and the loop never
> >>termintes.
> > 
> > This is interesting, I know I've seen restart work properly w/o an  
> > oops.  How are you causing the restart?
> 
> sysrq-b triggers it, as probably does crashing from an 
> interrupt handler 
> with panic_timeout nonzero.  You'll need CONFIG_DEBUG_SPINLOCK_SLEEP 
> turned on, of course.
> 
> -Scott

Any chance for a fix soon?

 Jocke