Re: Synaptics losing sync

[Peter Osterlund]

Ricardo Galli <gallir@xxxxxx> writes:

> I've sent this report before. 
> 
> I repeat it just in case someone found a workaround, and because 
> 2.6.0-test9 gives other related errors as well (TSC error):
> 
> ...
> Synaptics driver lost sync at 1st byte
> Synaptics driver lost sync at 1st byte
> Synaptics driver lost sync at 1st byte
> Synaptics driver lost sync at 4th byte
> Synaptics driver lost sync at 1st byte
> Synaptics driver lost sync at 1st byte
> Synaptics driver lost sync at 1st byte
> Synaptics driver lost sync at 1st byte
> Synaptics driver resynced.
> Losing too many ticks!
> TSC cannot be used as a timesource. (Are you running with SpeedStep?)
> Falling back to a sane timesource.
> Synaptics driver lost sync at 1st byte
> ...
> 
> The laptop is a Dell X200 with APM and cpufreq enabled, and IO-apic 
> disabled.
> 
> I tested with and w/o preemptive kernel and cpufreq with the same results. 

Did you try without APM? My laptop loses many clock ticks if I enable
APM. It works fine with ACPI though.

-- 
Peter Osterlund - petero2@xxxxxxxxx
http://w1.894.telia.com/~u89404340
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