On Wed, Aug 19, 2015 at 10:10 AM, Nick Bowler <nbowler@xxxxxxxxxx> wrote: > On 2015-08-19, Benjamin Tissoires <benjamin.tissoires@xxxxxxxxx> wrote: >> On Tue, Aug 18, 2015 at 3:06 PM, Benjamin Tissoires >> <benjamin.tissoires@xxxxxxxxx> wrote: > [...] >>> On Mon, Aug 17, 2015 at 10:31 PM, Nick Bowler <nbowler@xxxxxxxxxx> wrote: >>>> Here is the evtest result from placing two fingers on the touchpad, >>>> then pressing the left trackpoint button 10 times, counting 1 second >>>> between each press. As you can see, only 3 presses and 3 release >>>> events total were sent by the kernel, sometimes with many physical >>>> button presses between the press and its corresponding release: >>> >>> OK, so this is definitively weird. My first idea would be a firmware >>> problem. I have asked Chandler to reproduce it on his t450 and see if >>> we observe it on our laptops too. >> >> Update on this one : Chandler reproduced it on the t450, so it's >> likely that all of these sensors are affected. It is still unclear if >> it is a firmware bug or a driver problem, but the chances are huge >> that this is a firmware bug. Anyway, that's one more reason to push >> towards RMI4 over SMBus for these sensors: the bug is not present with >> this protocol :) > > Well, that sounds fortunate :) > > Do you still want the ps2emu-record log? I didn't have time to run it > yesterday but should be able to do it this evening. Yes, I still want it. It is less critical, but the more logs we have, the better. Cheers, Benjamin > > Regards, > Nick -- 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