Re: [XenPPC] [PATCH/RFC] Schedule idle domain on secondary processors

[Segher Boessenkool <segher@xxxxxxxxxxxxxxxxxxx>]

> 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?

> 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?


Segher


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