On Thu, 12 May 2011 13:43:58 +0300 Andriy Gapon <a...@freebsd.org> mentioned:
> > Theory: > - smp_rv_waiters[2] becomes equal to smp_rv_ncpus > - [at least] one slave CPU is still in the last call to cpu_spinwait() in > smp_rendezvous_action() > - master CPU notices that the condition is true, exits smp_rendezvous_cpus() > and > calls it again > - the slave CPU is still in spinwait > - the master CPU resets smp_rv_waiters[2] to zero > - the slave CPU exits spinwait, see smp_rv_waiters[2] with zero value > - endless loop > That might explain it. Do you have a patch for me to try? Thanks! -- Stanislav Sedov ST4096-RIPE () ascii ribbon campaign - against html e-mail /\ www.asciiribbon.org - against proprietary attachments _______________________________________________ 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"
