On Thu, Jun 13, 2013 at 11:29:24PM +0300, Aaro Koskinen wrote: > Some Loongson boards (e.g. Lemote FuLoong mini-PC) use ISA/southbridge > device (CS5536 general purpose timer) for the timer interrupt. It starts > running early and is already enabled during the PCI configuration, > during which there is a small window in pci_read_base() when the register > access is temporarily disabled. If the timer interrupts at this point, > the system will hang. Fix this by adding a fixup that keeps the register > access always enabled. Sorry, I had already applied your patch but then accidentally dropped it from my patch queue. Will send it upstream for 3.10. Thanks! Ralf
