Re: Continue: psmouse.c - synaptics touchpad driver sync problem

[Vojtech Pavlik]

On Wed, Jun 30, 2004 at 01:02:16AM -0500, Dmitry Torokhov wrote:

> Vojtech, what is your opinion?
> 
> > Jun 28 16:01:29 qingwa kernel: drivers/input/serio/i8042.c: a0 <- i8042 (interrupt, aux1, 12) [191319]
> > Jun 28 16:01:29 qingwa kernel: i8042.c: MUX reports error condition b3 (35)
> > Jun 28 16:01:29 qingwa kernel: drivers/input/serio/i8042.c: b3 <- i8042 (interrupt, aux0, 12) [191325]
> > Jun 28 16:01:29 qingwa kernel: drivers/input/serio/i8042.c: 52 <- i8042 (interrupt, aux1, 12) [191327]
> > Jun 28 16:01:29 qingwa kernel: drivers/input/serio/i8042.c: d0 <- i8042 (interrupt, aux1, 12) [191328]
> > Jun 28 16:01:29 qingwa kernel: drivers/input/serio/i8042.c: 2e <- i8042 (interrupt, aux1, 12) [191330]
> > Jun 28 16:01:29 qingwa kernel: psmouse.c: TouchPad at isa0060/serio2/input0 lost sync at byte 4
> > Jun 28 16:01:29 qingwa kernel: drivers/input/serio/i8042.c: 30 <- i8042 (interrupt, aux1, 12) [191331]
> > Jun 28 16:01:29 qingwa kernel: psmouse.c: TouchPad at isa0060/serio2/input0 lost sync at byte 1
> > Jun 28 16:01:29 qingwa kernel: drivers/input/serio/i8042.c: a0 <- i8042 (interrupt, aux1, 12) [191333]
> > Jun 28 16:01:29 qingwa kernel: drivers/input/serio/i8042.c: b3 <- i8042 (interrupt, aux1, 12) [191335]
> > Jun 28 16:01:29 qingwa kernel: drivers/input/serio/i8042.c: 50 <- i8042 (interrupt, aux1, 12) [191336]
> > Jun 28 16:01:29 qingwa kernel: drivers/input/serio/i8042.c: d0 <- i8042 (interrupt, aux1, 12) [191338]
> > Jun 28 16:01:29 qingwa kernel: drivers/input/serio/i8042.c: 29 <- i8042 (interrupt, aux1, 12) [191339]
> > Jun 28 16:01:29 qingwa kernel: drivers/input/serio/i8042.c: 30 <- i8042 (interrupt, aux1, 12) [191342]
> > Jun 28 16:01:29 qingwa kernel: psmouse.c: TouchPad at isa0060/serio2/input0 - driver resynched.
> > Jun 28 16:01:29 qingwa kernel: drivers/input/serio/i8042.c: a0 <- i8042 (interrupt, aux1, 12) [191343]
> 
> Again MUX got confused momentarily, the patch should fix that.
> 
> > Jun 28 16:01:31 qingwa kernel: drivers/input/serio/i8042.c: b8 <- i8042 (interrupt, kbd, 1) [193334]
> > Jun 28 16:01:31 qingwa kernel: drivers/input/serio/i8042.c: 9d <- i8042 (interrupt, kbd, 1) [193359]
> > Jun 28 16:01:33 qingwa kernel: i8042.c: MUX reports error condition fd (f5)
> > Jun 28 16:01:33 qingwa kernel: drivers/input/serio/i8042.c: fd <- i8042 (interrupt, aux3, 12, timeout) [195950]
> > Jun 28 16:01:33 qingwa kernel: psmouse.c: bad data from KBC - timeout
> > Jun 28 16:01:36 qingwa kernel: drivers/input/serio/i8042.c: 13 <- i8042 (interrupt, kbd, 1) [198170]
> > Jun 28 16:01:36 qingwa kernel: drivers/input/serio/i8042.c: 93 <- i8042 (interrupt, kbd, 1) [198243]
> 
> This one seems to be legit and handled OK although I am not sure what caused
> AUX3 to report timeout - it wasn't transmitting for quite some time.
> 
> > Jun 28 16:01:44 qingwa kernel: drivers/input/serio/i8042.c: 00 <- i8042 (interrupt, aux1, 12) [206317]
> > Jun 28 16:01:44 qingwa kernel: drivers/input/serio/i8042.c: c0 <- i8042 (interrupt, aux1, 12) [206320]
> > Jun 28 16:01:44 qingwa kernel: i8042.c: MUX reports error condition 00 (35)
> > Jun 28 16:01:44 qingwa kernel: drivers/input/serio/i8042.c: 00 <- i8042 (interrupt, aux0, 12) [206326]
> > Jun 28 16:01:44 qingwa kernel: drivers/input/serio/i8042.c: 00 <- i8042 (interrupt, aux1, 12) [206327]
> 
> Confused again...
> 
> Anyway, please try the patch and the change to the timeout in
> psmouse_interrupt. I am anxiously awaiting result of your testing.
 
We may also want to disable the timer polling the chip - that might be
confusing it as well.

-- 
Vojtech Pavlik
SuSE Labs, SuSE CR
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/