On Sun, Mar 10, 2013 at 06:17:58PM +0800, Daniel J Blueman wrote: > On 6 March 2013 07:48, Peter Hutterer <[email protected]> wrote: > > On Tue, Mar 05, 2013 at 03:30:57PM +0800, Daniel J Blueman wrote: > >> I'm seeing [erratic click events and jumpy scrolling on Broadcom 5974 > >> touchpads (Macbook Pro 10,1) during two-finger scrolling] on Ubuntu > >> 13.04 prerelease. Since the issue reproduces [1/10] times I scroll eg in > >> gedit, it's hard to switch terminal, launch evtest and be sure it'll be > >> logged. > >> > >> I checked the source of evtest to see if I could change opening the > >> eventfd to allow multiple clients sharing it, but it's clearly not how > >> things work. > >> > >> Any ideas how I can log the scrollpad activity while using X? > [...] > > Superb, thanks Peter. > > I've captured a session exhibiting the behaviour; for comparison a > normal two-finger scroll is between: > > Event: time 1362909816.949923, type 1 (EV_KEY), code 333 > (BTN_TOOL_DOUBLETAP), value 1 > and: > Event: time 1362909817.959870, type 1 (EV_KEY), code 333 > (BTN_TOOL_DOUBLETAP), value 0 > > Around here, I see a false click: > Event: time 1362909818.577892, type 1 (EV_KEY), code 333 > (BTN_TOOL_DOUBLETAP), value 1 > and scrolling here jumps forward ~5 lines every 5 lines (this is > surely not a feature?) > Event: time 1362909820.148825, type 1 (EV_KEY), code 333 > (BTN_TOOL_DOUBLETAP), value 0 > > I've uploaded the log to http://quora.org/evtest-bcm5974.log if you're > able to find anything interesting. Let me know if I can get any > other/better debug. please don't upload files to random locations. attach them to the mail or file a bug, too often files disappear, leaving those looking at this in the archives without context.
Having said that, I can't find anything immediately obvious in that log. Please record your device with evemu and attach the files to a bug, assigned to me. http://wiki.freedesktop.org/wiki/Evemu Cheers, Peter _______________________________________________ [email protected]: X.Org development Archives: http://lists.x.org/archives/xorg-devel Info: http://lists.x.org/mailman/listinfo/xorg-devel
