On Wed, Sep 1, 2010 at 2:31 PM, John Baldwin <j...@freebsd.org> wrote: > On Wednesday, September 01, 2010 4:32:48 pm Matthew D Fleming wrote: >> Author: mdf >> Date: Wed Sep 1 20:32:47 2010 >> New Revision: 212115 >> URL: http://svn.freebsd.org/changeset/base/212115 >> >> Log: >> Fix a bug with sched_affinity() where it checks td_pinned of another >> thread in a racy manner, which can lead to attempting to migrate a >> thread that is pinned to a CPU. Instead, have sched_switch() determine >> which CPU a thread should run on if the current one is not allowed. >> >> KASSERT in sched_bind() that the thread is not yet pinned to a CPU. >> >> KASSERT in sched_switch() that only migratable threads or those moving >> due to a sched_bind() are changing CPUs. >> >> sched_affinity code came from j...@. >> >> MFC after: 2 weeks > > Cool, I guess this fixed it in your tests then?
Yes, the stress case I pointed out in the earlier thread ran for quite a few minutes before I killed it. Previously it would crash (with the added assert) in a few seconds. Thanks, matthew _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"