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

[Jerry Cooperstein]

On Tue, Mar 18, 2003 at 03:34:32PM -0800, john stultz wrote:
... 
> Check the boot msgs. You're kernel is compiled w/ CONFIG_X86_TSC, so it
> should print a warning as such stating it is ignoring the notsc option.

yep, I missed it, the experiment was never performed.

> 
> Try compiling the kernel for i386 and the kernel then boot w/ notsc. Do be
> warned, if you're running w/ an i686 compiled glibc your box will hang
> after the "Freeing unused kernel memory: " msg. 

I compiled for no TSC using Stephen Hemminger's patch -- that worked.

> 
> Another thing to check is if the lost-tick compensation code is biting you.
> Try commenting out the "detect_lost_tick()" call from timer_interrupt() in
> arch/i386/kernel/time.c

I will try that out too, even though problem now seems 'solved.'

> 
> Let me know if that changes anything.
> 
> thanks
> -john

thanks

coop