On Wed, 2006-12-27 at 18:39 +0100, Ingo Molnar wrote:
> * Daniel Walker <[email protected]> wrote:
>
> > These calls were getting inconsistent wrt. the xtime_lock. The
> > xtime_lock should be held when doing the warp check update, and
> > interrupts should be off.
>
> thanks, applied. Does this solve some warnings that you saw trigger?
I saw some unexplained time warping while using the source at this url,
http://www.atnf.csiro.au/people/rgooch/benchmarks/linux-scheduler.html
it was on an older 2.6.18 based -rt .. The system would print the time
warp warning, then hang .. I applied something similar to the patch I
just sent, and the time warp warning was gone but the system still hung.
New -rt version don't hang, and I don't see the warning .. However, I
suspect the time warp warning was a side effect of the hang..
The system hang was resolved by changing the irq threads to all prio
50 ..
Daniel
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