From: Rafael J. Wysocki: > 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? It does (at least with the tree from yesterday, 4166fb64593514ad920b7dbd290e0a934b37d24a). Mikko > > Rafael > -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
