PPC upstream kernel ignored DABR bug

[Jens Osterkamp]

On Monday 10 March 2008, Luis Machado wrote:
> > Yes, I know. I tried it on the PS3 first and couldn't reproduce
> > the bug he saw on the blade.
> 
> Arnd,
> 
> Do we have any news on this topic? 
> 
> I've seen this happening quite often within GDB when using hardware
> watchpoints on a shared variable in a threaded (7+ threads) binary.
> Sometimes the watchpoint won't trigger, even though the monitored
> variable's value was modified.

On the Blade DABRX had to be set additional to DABR. PS3 and Celleb
already did this. Uli Weigand found this back in November. I submitted
a patch for this which went into 2.6.25-rc4.
Can you please try again with rc4 ?

Gruß,

Jens

IBM Deutschland Entwicklung GmbH
Vorsitzender des Aufsichtsrats: Martin Jetter
Geschäftsführung: Herbert Kircher 
Sitz der Gesellschaft: Böblingen
Registergericht: Amtsgericht Stuttgart, HRB 243294