(XEN) ----[ Xen-4.2-unstable  x86_64  debug=y  Not tainted ]----
(XEN) CPU:    2
(XEN) RIP:    e008:[<ffff82c480106aba>] send_guest_pirq+0x51/0x68
(XEN) RFLAGS: 0000000000010206   CONTEXT: hypervisor
(XEN) rax: 00000000000000c6   rbx: ffff830106642000   rcx: 0000000000000001
(XEN) rdx: 0000ff0000000000   rsi: 000000000000c2c2   rdi: ffff830106642000
(XEN) rbp: ffff83011f4a7da8   rsp: ffff83011f4a7da8   r8:  00000000deadbeef
(XEN) r9:  00000000deadbeef   r10: ffff82c480217560   r11: 0000000000000000
(XEN) r12: 00000000ffffffff   r13: 0000000000000004   r14: 0000000000000004
(XEN) r15: ffff83011f485000   cr0: 000000008005003b   cr4: 00000000000026f0
(XEN) cr3: 000000011f45b000   cr2: 00000000b682e89c
(XEN) ds: 007b   es: 007b   fs: 00d8   gs: 0033   ss: 0000   cs: e008
(XEN) Xen stack trace from rsp=ffff83011f4a7da8:
(XEN)    ffff83011f4a7dd8 ffff82c4801ad130 ffff830106642000 0000000000000004
(XEN)    ffff8301066426d8 0000000000000004 ffff83011f4a7e08 ffff82c4801ad405
(XEN)    ffff8300dffbb000 0000000000000003 0000000008321004 0000000000000000
(XEN)    ffff83011f4a7ef8 ffff82c4801a9c0e ffff83011f4a7e48 ffff82c480106d57
(XEN)    ffffffffffffffda ffffffffffffffda 00000000debd9ee4 0000000000000000
(XEN)    ffff83011f4a7ef8 ffff82c480107959 0000000001040006 00000000deadbeef
(XEN)    0000000000000006 ffff82c4802b0880 ffff82c480247aa0 0000000000000000
(XEN)    0000000000000002 000000fc00000000 ffff82c480123073 000000000000e008
(XEN)    0000000000000033 ffff830106642000 ffff83011f4a7ef8 ffff82c480123032
(XEN)    0000000000000002 ffff8300dffbb000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 00007cfee0b580c7 ffff82c48020e711
(XEN)    00000000c1002447 0000000000000022 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 00000000debd9efc 0000000000000003
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000022 0000000008321004 00000000ffffffea 00000000ffffffea
(XEN)    00000000ffffffea 0000010000000000 00000000c1002447 0000000000000061
(XEN)    0000000000000282 00000000debd9e84 0000000000000069 000000000000beef
(XEN)    000000000000beef 000000000000beef 000000000000beef 0000000000000002
(XEN)    ffff8300dffbb000 0000003c9f1df700 0000000000000000
(XEN) Xen call trace:
(XEN)    [<ffff82c480106aba>] send_guest_pirq+0x51/0x68
(XEN)    [<ffff82c4801ad130>] assert_irq+0x76/0xa3
(XEN)    [<ffff82c4801ad405>] hvm_isa_irq_assert+0x8e/0xab
(XEN)    [<ffff82c4801a9c0e>] do_hvm_op+0xa11/0x1cd3
(XEN)    [<ffff82c48020e711>] compat_hypercall+0xa1/0xfa
(XEN)
(XEN)
(XEN) ****************************************
(XEN) Panic on CPU 2:
(XEN) GENERAL PROTECTION FAULT
(XEN) [error_code=0000]
(XEN) ****************************************
(XEN)
(XEN) Manual reset required ('noreboot' specified)