Hi Peter, Yes, I think it is lightly loaded. I am trying to run a FreeBSD guest with 2 VCPUs on a 4 CPU host, with no other program running. But I am having the same problem even when I start a 1 VCPU guest.
later, Stefan On Wed, Jun 10, 2015 at 11:40 PM, Peter Grehan <gre...@freebsd.org> wrote: > Hi Stefan, > >> When I start a Virtual Machine, during the guest's boot, IPIs are sent >> and received correctly between CPUs, but after a few seconds I get: >> spin lock 0xffffffff8164c290 (smp rendezvous) held by >> 0xfffff8000296c000 (tid 100009) too long >> panic: spin lock held too long > > > Is this on a lightly loaded machine ? I've not looked at your diff in > detail but it's possibly a code path where a spinlock wasn't unlocked, > leaving another CPU spinning. > > later, > > Peter. > _______________________________________________ email@example.com mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-virtualization To unsubscribe, send any mail to "freebsd-virtualization-unsubscr...@freebsd.org"