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From: masterito <admin@masterito.spb.ru>
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Date: Fri, 14 May 2010 14:54:32 +0400
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Subject: kernel panic with several CPU
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Hello.

I have xen 3.3.3 on CentOS 5.4
I install PV FreeBSD on DomU for this HOW TO:
http://forums.freebsd.org/showthread.php?t=10268

When I create machine with 1 CPU (vcpus=1) - all work fine, bun when
I  create machine with 4 CPU (vcpus=4) 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=3df8cb pdptpfn=f63f4
panic: HYPERVISOR_vcpu_op(VCPUOP_initialise, cpu,
&ctxt): /usr/src/sys/i386/xen/mp_machdep.c:929
cpuid = 0
KDB: enter: panic
[thread pid 0 tid 0 ]
Stopped at      kdb_enter+0x3a: movl    $0,kdb_why
db> 


Can somebody help me with resolv this problem?

----

Vasilyev Igor