Maple freezing on PCI Target-Abort

[Benjamin Herrenschmidt]

On Fri, 2006-02-03 at 16:58 +0100, jfaslist wrote:
> Hi,
> Yes, we are going to dig into all this CPC925 and Processor Interface 
> initialization.
> Note that I checked that both MSR_ME and MSR_RI were set prior to 
> triggering the PCI Target-Abort.
> 
> -MSR_ME: If not set the CPU will "checkstop" on a machine chaeck.
> -MSR_RI: So that the exception is recoverable.
> 
> Regarding MSR_RI, this should always be set, I think?

Yes, MSR:RI is always set by the kernel except in the rare code path
where taking an exception is actually unsafe (like in some of the
exception handling code itself)

Ben.