domu panics on boot, dom0 reboots on destroy

[Sarton O'Brien <bsd-xen%roguewrt.org@localhost>]

Just updated (hour or so ago) kernels and rebooted. When a domu is 
launched I'm seeing this:

NetBSD 5.99.15 (XEN3_DOMU) #2: Tue Aug  4 14:33:54 EST 2009
        root%spike.internal@localhost:/usr/obj/sys/arch/amd64/compile/XEN3_DOMU
total memory = 256 MB
avail memory = 239 MB
mainbus0 (root)
hypervisor0 at mainbus0: Xen version 3.3
vcpu0 at hypervisor0: Intel 686-class, 2793MHz, id 0xf44
panic: xpq_flush_cache
fatal breakpoint trap in supervisor mode
trap type 1 code 0 rip ffffffff8012aa5d cs e030 rflags 246 cr2  0 cpl 8 
rsp ffffffff807dcbb0
Stopped in pid 0.1 (system) at  netbsd:breakpoint+0x5:  leave
breakpoint() at netbsd:breakpoint+0x5
panic() at netbsd:panic+0x269
xen_set_ldt() at netbsd:xen_set_ldt
cpu_init() at netbsd:cpu_init+0x32
cpu_attach_common() at netbsd:cpu_attach_common+0x13b
config_attach_loc() at netbsd:config_attach_loc+0x160
hypervisor_attach() at netbsd:hypervisor_attach+0x76
config_attach_loc() at netbsd:config_attach_loc+0x160
mainbus_attach() at netbsd:mainbus_attach+0x4a
config_attach_loc() at netbsd:config_attach_loc+0x160
cpu_configure() at netbsd:cpu_configure+0x1c
main() at netbsd:main+0x1a0
ds          0x2b4
es          0xcbc0
fs          0xe000
gs          0xe329
rdi         0x8
rsi         0xd
rbp         0xffffffff807dcbb0
rbx         0xffffffff807dcbc0
rdx         0
rcx         0x1
--db_more--xenconscn_getc(): not console

Reverting only the domu to:

NetBSD symbiote.internal 5.99.15 NetBSD 5.99.15 (XEN3_DOMU) #1: Thu Jul 
30 14:41:07 EST 2009  
root%spike.internal@localhost:/usr/obj/sys/arch/amd64/compile/XEN3_DOMU amd64

Works fine.

When I destroy the domu the server reboots. This part was happening 
before the update though (I only noticed just before updating so figured 
I'd check it after the update). I don't have console access atm so can't 
check what's going on with dom0 as yet.

Sarton