Re: mouse still losing sync and thus jumping around

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On 2005-02-23 16:53:04 Dmitry Torokhov wrote:
> On Wed, 23 Feb 2005 17:29:49 +0100, Nils Kalchhauser wrote:
[...]
>> it seems to me like it is connected to disk activity... is that
>> possible?

> Yes, It usually happens either under high load, when mouse interrupts
> are significantly delayed. Or sometimes it happen when applications
> poll battey status and on some boxes it takes pretty long time. And
> because it is usually the same chip that serves keyboard/mouse it
> again delays mouse interrupts.

My notebook is an Acer Aspire 1520 (1524) with a Synaptics Touchpad,
model: 1, fw: 5.8, id: 0x9248b1, caps: 0x904713/0x4000

Kernels 2.6.11.11 and 2.6.12-rc6
Synaptics driver 0.14.2

The "lost sync at byte" and "driver resynched" began flooding the logs
when I enabled Sensors --> Temperatures --> thermal_zone [THRC/THRS] in
the system monitor gkrellm. I haven't tried battery monitoring.

There are only occasional mouse pointer jumps, but the logfiles grow
very quickly. I tried reducing the gkrellm updates from 10 times a
second to 2, but it only had a marginal effect. It seems a bit silly
that this powerful notebook (AMD64 Athlon 3400+) can't 'multitask'
correctly.

I thought about just erasing the warning messages from the kernel
source (don't want to disable warn in syslog completely), but when I
found the gkrellm culprit I turned off the monitoring instead,
reluctantly.

My system has no taxing desktop, just a window manager.

Mvh
Mats Johannesson
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