On Thu, 16 May 2013 13:44:55 +1000, Robert Norris wrote: > > Then do a simple read from a random address > > with: > > # i2cget 4 0x50 0x00 > > (Adjust the bus number as needed.) > > I am curious if this will hang as well or only when accessing the > > clock chip at address 0x69. > > Yep, that one hangs. The hung task handler picked it up after a few > minutes.
Hmm, can you please dump the PCI configuration space of the SMBus controller? # /sbin/lspci -s 00:1f.3 -xxx It might be that you have interrupts routed to SMI# instead of the regular IRQ line. The driver is supposed to disable interrupt support in that case, but I have never tested it. Thanks, -- Jean Delvare -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
