Messages in this thread | | | Date | Sat, 31 Mar 2001 00:36:45 +0200 | From | Pavel Machek <> | Subject | Re: Serial port latency |
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Hi!
> > > Is the computer otherwise idle? > > > I've seen one unexplainable report with atm problems that > disappeared > > > (!) if a kernel compile was running. > > > > I've seen similar bugs. If you hook something on schedule_tq and > forget > > to set current->need_resched, this is exactly what you get. > > > I'm running with a patch that printk's if cpu_idle() is called while a > softirq is pending. > If I access the floppy on my K6/200 every track triggers the check, and > sometimes the console blanking code triggers it.
Seems floppy and console is buggy, then.
> What about creating a special cpu_is_idle() function that the idle > functions must call before sleeping?
I'd say just fix all the bugs. Pavel -- The best software in life is free (not shareware)! Pavel GCM d? s-: !g p?:+ au- a--@ w+ v- C++@ UL+++ L++ N++ E++ W--- M- Y- R+ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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