| |
|
 |
|
 |
|
|
|
| |
|
|
xen-ppc-devel
Re: [XenPPC] [PATCH/RFC] Schedule idle domain on secondary processors
On Tue, 2006-08-29 at 09:02 +0200, Segher Boessenkool wrote:
> > It is quite stable in that the secondary processors reliably join the
> > idle domain and wait for free pages to scrub, handling 0x980
> > interrupts with no problem.
>
> What's this 980 exception?
Hypervisor decrementer. It's a good thing. ;)
> > However, the domU's sometimes hang during initialization. When the
> > domU hangs, it seems the whole machine freezes, including the serial
> > console.
>
> Most common cause of this is hanging the U3/U4. Do you have a hardware
> debugger to see where this happens?
It's been my experience that RISCWatch isn't very helpful in these
situations (e.g. can't stop the processor). When the northbridge goes,
JTAG becomes unhappy.
--
Hollis Blanchard
IBM Linux Technology Center
_______________________________________________
Xen-ppc-devel mailing list
Xen-ppc-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-ppc-devel
|
|
|
| |
|
Home