Hi, On 11/08/2014 09:41 AM, Dmitry Torokhov wrote: > On Thu, Nov 06, 2014 at 03:51:48PM +0100, Hans de Goede wrote: >> Hi, >> >> On 11/06/2014 03:13 PM, Maximilien Levesque wrote: >>> Hi, >>> Thanks for your time! >>> Below is the output of dmesg with kernel boot parameter i8042.debug=1 >>> All the best, >> >> Thanks, I'm afraid reading raw i8042 is not my forte though, Dmitry, can >> you take a look, and do you see why no ps/2 mouse (or touchpad) is seen ? > > ... > >>> [ 1.901600] input: AT Translated Set 2 keyboard as >>> /devices/platform/i8042/serio0/input/input4 >>> [ 1.901749] i8042: [3] d4 -> i8042 (command) >>> [ 1.901809] i8042: [3] f2 -> i8042 (parameter) > > ... > No ACK to GET_ID > >>> [ 2.101556] i8042: [53] d4 -> i8042 (command) >>> [ 2.101622] i8042: [53] ed -> i8042 (parameter) > > Trying LEDs - no response - not a keyboard, atkbd signs out > >>> [ 2.165646] usb 1-2: new low-speed USB device number 2 using xhci_hcd >>> [ 2.185660] usb 3-1: new high-speed USB device number 2 using ehci-pci >>> [ 2.205674] usb 4-1: new high-speed USB device number 2 using ehci-pci >>> [ 2.301725] i8042: [103] 60 -> i8042 (command) >>> [ 2.301796] i8042: [103] 45 -> i8042 (parameter) > > Close AUX port > >>> [ 2.301911] i8042: [103] 60 -> i8042 (command) >>> [ 2.302025] i8042: [103] 47 -> i8042 (parameter) > > Enables AUX port again (to clear state - needed on some boxes) > >>> [ 2.302094] i8042: [103] d4 -> i8042 (command) >>> [ 2.302212] i8042: [103] f2 -> i8042 (parameter) > > psmouse - GET_ID - silence. So we decide there is no mouse. Dmitry, thanks for the analysis. So if I understand things correctly, then the aux port also gets probed for it having a second keyboard attached ? I did not know that, could it be that this confuses the touchpad? > Have we tried i8042.reset? No not yet. Maximilien, can you try booting with i8042.reset=1 on the kernel commandline ? Regards, Hans -- 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
