ubuntu-x-swat team mailing list archive

[Andrew Skalski <550625@xxxxxxxxxxxxxxxxxx>]

Hi Seth,

Thanks for your work on this.  I'm trying out 0.9 right now, and ran
into a problem (Dell Precision M4600).  It was working fine for about 40
minutes, until the driver (apparently) lost synchronization with the
event data.  The mouse pointer began jittering slightly, without me
touching the touchpad.  Putting my finger on the touchpad generated
stray click events and wild movement of the pointer.

Doing an rmmod+modprobe restored it to proper behavior.  Nothing
interesting was written to the kernel log.

(The first time loading the module after building 0.9)
[400791.992874] alps.c: E6 report: 00 00 64
[400792.011962] alps.c: E7 report: 73 02 64
[400792.456794] alps.c: E6 report: 00 00 64
[400792.476472] alps.c: E7 report: 73 02 64
[400792.590917] alps.c: trackstick E7 report: 42 02 3c
[400792.976807] input: DualPoint Stick as /devices/platform/i8042/serio1/input/input26
[400792.990906] input: AlpsPS/2 ALPS DualPoint TouchPad as /devices/platform/i8042/serio1/input/input27

(Reloading the module after it desynchronized)
[403319.694156] alps.c: E6 report: 00 00 64
[403319.713112] alps.c: E7 report: 73 02 64
[403320.165631] alps.c: E6 report: 00 00 64
[403320.185529] alps.c: E7 report: 73 02 64
[403320.306583] alps.c: trackstick E7 report: 42 02 3c
[403320.711547] input: DualPoint Stick as /devices/platform/i8042/serio1/input/input28
[403320.726815] input: AlpsPS/2 ALPS DualPoint TouchPad as /devices/platform/i8042/serio1/input/input29

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https://bugs.launchpad.net/bugs/550625

Title:
  Alps touchpad is recognized but synaptics clients and scrolling do not
  work

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