[LinuxBIOS] PCI IRQ routing issues with qemu

Ronald G Minnich rminnich at lanl.gov
Wed Sep 13 01:24:44 CEST 2006

Richard Smith wrote:
>>Config.lb. LinuxBIOS doesn't seem to be able to use the new table,
>>Copying IRQ routing tables to 0xf0000...done.
>>Verifing copy of IRQ routing tables at 0xf0000...failed
> What does Qemu do when the BIOS attempts to write to that area?
> Normally this range of memory is write protected.

actually it is usually shadowed by that point, but not write protected.

I'm guessing turning on shadow is failing.

Build linuxbios with CONFIG_COMPRESSED=0 and see how it goes.


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