Re: seqlock/unlock(&xtime_lock) problems cause keyboard, time skew problems

Jerry Cooperstein (coop@axian.com)
Tue, 18 Mar 2003 12:59:07 -0800


On Tue, Mar 18, 2003 at 12:32:24PM -0800, Stephen Hemminger wrote:
> On Tue, 2003-03-18 at 11:05, Jerry Cooperstein wrote:
> > Since 2.5.60 my thinkpad keyboard repeat rate has been erratic when
....

>
> Does this notebook vary the clock rate? If so then using TSC for
> time of day clock is probably a problem. Try booting with notsc.

Yes the notebook varies the clock rate -- its about 150MHZ with
batter power, 500 MHZ on AC.

I tried booting with notsc, the results were:

for kernels through 2.5.63: kernel panic on boot, message saying pentium+
requires tsc

for 2.5.64, 2.5.65: no failure, but no help.

Merci

coop

======================================================================
Jerry Cooperstein, Senior Consultant, <coop@axian.com>
Axian, Inc., Software Consulting and Training
4800 SW Griffith Dr., Ste. 202, Beaverton, OR 97005 USA
http://www.axian.com/
======================================================================

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