Alex BASTOS wrote: >The Tranfer Error makes not many sense for me, as _TEA is pulled-up. >Maybe the oops after that is caused by the bad call return point? > > I remember using this to prevent machine check exceptions during the PCI scan. This is in the beginning of the pciauto_bus_scan() function.
--- trunk/linux/arch/ppc/syslib/pci_auto.c (revision 127) +++ trunk/linux/arch/ppc/syslib/pci_auto.c (revision 128) @@ -382,6 +382,10 @@ unsigned short vid; unsigned char header_type; + + /* must ignore machine checks during scan */ + *(volatile unsigned short *) 0xf0010888 &= ~0x0800; + /* * Fetch our I/O and memory space upper boundaries used * to allocated base addresses on this hose.