Now to start work on the preemption hangs.. Simon L. Nielsen wrote: >On 2004.08.22 12:05:39 -0700, Doug White wrote: > > >>Hey folks, >> >>If you have a reasonably fast i386 or amd64 multiprocessor and/or >>hyperthreading machine and are experiencing reproducible hangs during -j >>buildwords and other highly parallel operations, please try this patch: >> >>http://people.freebsd.org/~dwhite/smp_rv_mtx.patch >> >> > >With stock CURRENT my Dual XEON test system has hung most of the time >when I did a parallel buildworld. Since I applied this patch last >night the system has completed 12 -j100 buildworlds, and it's still >going on, without any problems :-). > >Thanks to all the people who have worked on this problem! :-) > >BTW. these tests were with the 4BSD scheduler, I'm going to try to >switch to ULE soon and se how that works out. > > >Received on Mon Aug 23 2004 - 15:43:47 UTC
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