On Friday, January 9, 2009 12:26 pm akpm@xxxxxxxxxxxxxxxxxxxx wrote: > From: Michal Miroslaw <mirq-linux@xxxxxxxxxxxx> > > As I found out from EDAC driver sources for i82875P some BIOSes for > i82875P/PE hide 'overflow' device 6. The same thing happens for > i82865P/PE chipsets. > > After testing this patch for couple of days on my laptop (i82856P) it > looks like something is resetting device 0 (MCH) config register 0xF4 to > zero and effectively disabling the device again. The delay looks random > to me. I can easily update the register using 'hexedit > /sys/bus/pci/devices/0000\:00\:00.0/config' and see correct values in > lspci output afterwards. This one already got a NAK until Michal can figure out a way to prevent the SMM code on his machine from hiding this device periodically. -- Jesse Barnes, Intel Open Source Technology Center -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
