Deadlocks with recent SMP current
Martin Blapp
mb at imp.ch
Tue Aug 17 04:25:38 PDT 2004
Hi,
> > + if ((ctd->td_kse == NULL) || (ctd->td_kse->ke_thread != ctd))
> > + return (0);
> With the previous patch I still had difficulties getting through a
> buildworld in multi-user (while running apache, postfix+amavisd-new,
> nfs, etc.). With this patch I have not run into any issues (make -j4
> buildworlds are stable on my dual p3 even after uncommenting
> -DUSE_KQUEUE and rebuilding make). If the last patch was a bandaid,
> this is one of those new-fangled "sport" bandaids that are water- and
> sweat-resistent... ;-)
Have you PREEMPTION or FULL_PREEMTION defined ? Else I can't see how
this patch would be effective.
Martin
More information about the freebsd-current
mailing list