Hi!
> In traceing the source of my sporadic synaptics touchpad troubles
>
> psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
> psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
> psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
> psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
> psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1
> psmouse.c: TouchPad at isa0060/serio4/input0 - driver resynched.
>
> and keyboard troubles (sporadically lost key up/down events) on an Acer
> Aspire 1520 (x86_64, latest bios v1.09) I did enable the
> report_lost_ticks option which did spit out stuff like the following at
> regular intervals:
>
> time.c: Lost 17 timer tick(s)! rip handle_IRQ_event+0x20/0x60)
> time.c: Lost 8 timer tick(s)! rip handle_IRQ_event+0x20/0x60)
> time.c: Lost 19 timer tick(s)! rip handle_IRQ_event+0x20/0x60)
> time.c: Lost 8 timer tick(s)! rip handle_IRQ_event+0x20/0x60)
> time.c: Lost 18 timer tick(s)! rip handle_IRQ_event+0x20/0x60)
> time.c: Lost 8 timer tick(s)! rip handle_IRQ_event+0x20/0x60)
>
> This looked suspiciously like it happended when the the kde laptop
> applet polled the battery status. So I did terminate the applet.
>
> The result was no more lost ticks, no lost keyboard events and no more
> lost touchpad sync.
>
> To verify ACPI battery data as the source of trouble i did a simple
>
> cat /proc/acpi/battery/BAT0/state
...
CONFIG_ACPI_DEBUG enabled by chance?
Pavel
--
Boycott Kodak -- for their patent abuse against Java.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
