On Thu, Feb 08, 2018 at 11:04:22AM +0100, Jiri Slaby wrote: > On 01/19/2018, 06:42 PM, Dmitry Torokhov wrote: > > Please pull from: > > > > git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git for-linus > > > > to receive updates for the input subsystem. You will get: > > > ... > > - touchpad on Lenovo T640p is switched over to SMbus/RMI > ... > > > 王振杰 (1): > > Input: synaptics - Lenovo Thinkpad T460p devices should use RMI > > Hi, > > one of openSUSE users with T460p reports that the touchpad is defunct > after resume in 4.15. psmouse.synaptics_intertouch=0 works around the > problem. > > The problem is: > kernel: rmi4_smbus 8-002c: failed to get SMBus version number! > kernel: rmi4_physical rmi4-00: rmi_driver_reset_handler: Failed to read > current IRQ mask. > kernel: rmi4_f01 rmi4-00.fn01: Failed to restore normal operation: -16. > kernel: rmi4_f01 rmi4-00.fn01: Resume failed with code -16. > kernel: rmi4_physical rmi4-00: Failed to suspend functions: -16 > kernel: rmi4_smbus 8-002c: Failed to resume device: -16 > kernel: rmi4_f03 rmi4-00.fn03: rmi_f03_pt_write: Failed to write to F03 > TX register (-16). > > The downstream bug is at: > https://bugzilla.suse.com/show_bug.cgi?id=1079862 > > Any ideas? Hmm, maybe the seuence between psmouse and rmi/smbus is not quite right on resume on that box. Can you ask the reporter to: echo 1 > /sys/power/pm_print_times suspend/resume and send dmesg? Thanks. -- Dmitry -- 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