[Bug 7306] Yenta-socket causes oops on insertion of any PCMCIA card

bugme-daemon at bugzilla.kernel.org bugme-daemon at bugzilla.kernel.org
Thu Jul 31 00:40:30 EDT 2008


------- Comment #20 from benh at kernel.crashing.org  2008-07-30 21:40 -------
I think I see the problem. In your dmesg, one can see:

PCI host bridge /pci at 80000000 (primary) ranges:
  IO 0x00000000fe000000..0x00000000fe7fffff -> 0x0000000000000000
 MEM 0x00000000fd000000..0x00000000fdffffff -> 0x0000000000000000 
 MEM 0x0000000080000000..0x00000000fcffffff -> 0x0000000080000000 

That means that the region at 0xfd000000 is mapped to 0 ...
not 0xfd000000 on the PCI side. ie. It's not a 1:1 mapping, but rather
it's a way to access the ISA memory space on the PCI side.

As such it should -not- have been added to the PCI host bridge resources.

I'll see if I can find why the kernel is getting that wrong.


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