Xen devel - Oct 2009 - NMI on domU shutdown with PCI passthrough, Lyon''s 2.6.31-4 dom0, xen 3.5

I started a new thread because this not a pv-ops dom0 anymore. I''m
running Andrew Lyon''s 2.6.31-4 patches for a non-pv-ops kernel.

Got it again, after issuing "poweroff" from the domU.

(XEN)
(XEN) NMI - MEMORY ERROR
(XEN) ----[ Xen-3.5-unstable  x86_64  debug=y  Not tainted ]----
(XEN) CPU:    0
(XEN) RIP:    e008:[<ffff82c48011f55c>] remove_from_heap+0x8f/0xd0
(XEN) RFLAGS: 0000000000000097   CONTEXT: hypervisor
(XEN) rax: ffff82c48025a0a0   rbx: 0000000000000001   rcx: 0000000000000003
(XEN) rdx: ffff82c4802fa5a0   rsi: 0000000000000002   rdi: ffff83031ff69d80
(XEN) rbp: ffff82c4802e7e78   rsp: ffff82c4802e7e70   r8:  0000000000000001
(XEN) r9:  0000000000000005   r10: ffff82c48031a840   r11: 00000c1a62afdbcd
(XEN) r12: 00000c1a637ed317   r13: ffff82c48025a100   r14: ffff83031ff69d88
(XEN) r15: ffff83031ff69d80   cr0: 000000008005003b   cr4: 00000000000026f0
(XEN) cr3: 000000030697b000   cr2: 0000000001da3dd0
(XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: 0000   cs: e008
(XEN) Xen stack trace from rsp=ffff82c4802e7e70:
(XEN)    ffff8300d78aa030 ffff82c4802e7ed8 ffff82c48011fa56 82c4801eb970b948
(XEN)    c390ef90d1ffffff 0000000000000004 ffff82c48025a100 ffff83031ff69d80
(XEN)    0000000000000000 0000000000000000 ffff82c4802e7f28 ffff82c4802fa700
(XEN)    ffff82c4802fc700 ffff82c4802e7f18 ffff82c48011d921 ffff82c4802e7f08
(XEN)    ffff8300d78aa000 0000000000000000 0000000000000004 0000000000000000
(XEN)    00000000803211f8 00007d3b7fd180b7 ffff82c4801eb296 00000000803211f8
(XEN)    0000000000000000 0000000000000004 0000000000000000 ffff8801d9c29df8
(XEN)    0000000080170000 0000000000000202 0000000000000000 00000000803211f8
(XEN)    0000000000000004 00000000803211f8 0000000080170000 0000000000000cfc
(XEN)    0000000000000001 0000000000000cf8 0000000d00000000 ffffffff805ea7b4
(XEN)    000000000000e033 0000000000000246 ffff8801d9c29dc8 000000000000e02b
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 ffff8300d78aa000
(XEN) Xen call trace:
(XEN)    [<ffff82c48011f55c>] remove_from_heap+0x8f/0xd0
(XEN)    [<ffff82c48011fa56>] timer_softirq_action+0x175/0x3a9
(XEN)    [<ffff82c48011d921>] do_softirq+0x6f/0x8e
(XEN)
(XEN)
(XEN) ****************************************
(XEN) Panic on CPU 0:
(XEN) FATAL TRAP: vector = 2 (nmi)
(XEN) [error_code=0000] , IN INTERRUPT CONTEXT
(XEN) ****************************************
(XEN)
(XEN) Reboot in five seconds...

This are the Xen version and boot args:

(XEN) Xen version 3.5-unstable (bedge@wlv.lsi.com) (gcc version 4.3.3
(Ubuntu 4.3.3-5ubuntu4) ) Thu Oct 15 10:32:54 PDT 2009
(XEN) Latest ChangeSet: Thu Oct 15 16:49:21 2009 +0100 20320:2eba302831c4
(XEN) Command line: com1=115200,8n1 console=com1 loglvl=all
loglvl_guest=all acpi=force apic=on dom0_max_vcpus=1
dom0_vcpus_pin=true
 iommu=1,no-intremap,passthrough

-Bruce

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