On Friday, April 13, 2012, Mikko Vinni wrote: > Bug report: > https://bugzilla.kernel.org/show_bug.cgi?id=43099 > > Briefly: > > After s2ram the touchpad on a HP dv5 laptop doesn't work anymore. > > dmesg contains this about the touchpad > Apr 11 18:00:05 koni kernel: i8042: Can't write CTR while closing AUX port > Apr 11 18:00:08 koni kernel: i8042: Can't reactivate AUX port > > > Full log in bugzilla with PCI and i8042 debug turned on. > > Bisected to: > > commit 26f41062f28de65e11d3cf353e52d0be73442be1 > Author: Kay, Allen M <allen.m.kay@xxxxxxxxx> > Date: Thu Jan 26 10:25:53 2012 -0800 > > PCI: check for pci bar restore completion and retry > > On some OEM systems, pci_restore_state() is called while FLR has not yet > completed. As a result, PCI BAR register restore is not successful. This fix > reads back the restored value and compares it with saved value and re-tries 10 > times before giving up. Does reverting the above commit on top of the current Linus' tree fix the problem for you? Rafael -- 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
