Date: Sun, 16 May 2010 19:01:49 -0700 From: "K. Macy" <kmacy@freebsd.org> To: John Prather <john.c.prather@gmail.com> Cc: freebsd-xen@freebsd.org Subject: Re: Xen 8 & 9 DomU kernel panic with 2 or more virtual CPU Message-ID: <AANLkTilbDvx6lIrqWer7--tv20t_vtCUiIj84K1Y-3Ay@mail.gmail.com> In-Reply-To: <AANLkTiknWxo5jZFFK1yzAxEpRpxMYUp_WjgAhxWJ2u6e@mail.gmail.com> References: <1273836510.12145.10.camel@opensolaris> <1273836706.12145.12.camel@opensolaris> <AANLkTiknWxo5jZFFK1yzAxEpRpxMYUp_WjgAhxWJ2u6e@mail.gmail.com>
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I'll take a look this week. On Fri, May 14, 2010 at 4:47 PM, John Prather <john.c.prather@gmail.com> wr= ote: > This seems to affect most people trying to use FreeBSD on xen i386 paravi= rt. > > I was trying it on Linode, and got 8.0-RELEASE to actually boot by > hacking MAXCPU to 1 in sys/i386/include/param.h but even then, when it > was under load (building world or lots of ports) it would occasionally > panic. > > 8-STABLE wouldn't even boot with MAXCPU hacked to 1 to avoid > VCPUOP_initialise panic, throwing panic on > HYPERVISOR_update_va_mapping instead. > > I played around a bit with hacking the sys source, but I don't know > enough about XEN or even FreeBSD kernel behavior to figure out what's > going wrong here. > > > > On Fri, May 14, 2010 at 4:31 AM, masterito <admin@masterito.spb.ru> wrote= : >> Hello. >> >> I have the same problem, but other error. >> >> When I create machine with 1 CPU (vcpus=3D1) - all work fine, but when >> I =A0create machine with 4 CPU (vcpus=3D4) I see kernel panic on console= : >> >> APIC: Using the MPTable enumerator. >> SMP: Added CPU 0 (BSP) >> SMP: Added CPU 1 (AP) >> SMP: Added CPU 2 (AP) >> SMP: Added CPU 3 (AP) >> gdtpfn=3D3df8cb pdptpfn=3Df63f4 >> panic: HYPERVISOR_vcpu_op(VCPUOP_initialise, cpu, >> &ctxt): /usr/src/sys/i386/xen/mp_machdep.c:929 >> cpuid =3D 0 >> KDB: enter: panic >> [thread pid 0 tid 0 ] >> Stopped at =A0 =A0 =A0kdb_enter+0x3a: movl =A0 =A0$0,kdb_why >> db> >> >> --- > _______________________________________________ > freebsd-xen@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-xen > To unsubscribe, send any mail to "freebsd-xen-unsubscribe@freebsd.org" >
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