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[xen] Invalid opcode traceback



Hello,

I'm having problems while starting my server from time to
time. Sometimes it works and sometimes it shows the following error:

(XEN) BUG at io_apic.c:127
(XEN) ----[ Xen-3.0.3-rc1  x86_64  debug=n  Not tainted ]----
(XEN) CPU:    1
(XEN) RIP:    e010:[<ffff8300001180f4>] __bug+0x24/0x30
(XEN) RFLAGS: 0000000000010086   CONTEXT: hypervisor
(XEN) rax: 0000000000000000   rbx: 000000000000007f   rcx: 00000000000014ce
(XEN) rdx: 000000000000000a   rsi: 000000000000000a   rdi: ffff8300001bf015
(XEN) rbp: 0000000000000000   rsp: ffff830000ff3e58   r8:  0000000000000000
(XEN) r9:  0000000000000000   r10: 00000000fffffffa   r11: ffff8300001186b0
(XEN) r12: ffff830000174ed1   r13: 0000000000000013   r14: 0000000000001000
(XEN) r15: ffff8300001cf9e4   cr0: 000000008005003b   cr4: 00000000000026f0
(XEN) cr3: 0000000048f22000   cr2: 00007fff1827ed90
(XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: e018   cs: e010
(XEN) Xen stack trace from rsp=ffff830000ff3e58:
(XEN)    ffff830000ff3e8d 0000000000000000 0000000000000206 ffff83000012186a
(XEN)    783020726f746365 0000003600000026 030000000001a9b8 0000000000000cfc
(XEN)    0000000000010a70 ffff83000012eb44 0000000000048f23 ffff88007431fbb8
(XEN)    0000000000000000 0000000000000000 0000000000000013 0000000000000001
(XEN)    0000000000000001 ffff83000012b593 00000000fec00000 0001a9b800000036
(XEN)    0000000000002f18 ffff8300001f4080 0000000000000000 0000000000000000
(XEN)    0000000000000013 ffff830000160f22 0000000000000001 0000000000000001
(XEN)    0000000000000013 0000000000000000 0000000000000000 0000000000000014
(XEN)    0000000000000213 00000000fec00000 ffff88007431fbb8 0000000000000009
(XEN)    0000000000000021 ffffffff8020642a ffffffffff578040 ffff88007431fbb8
(XEN)    0000000000000009 0000010000000000 ffffffff8020642a 000000000000e033
(XEN)    0000000000000213 ffff88007431fb60 000000000000e02b 0000000000000000
(XEN)    0000000000000000 0000000000000000 00000000dd132261 00006b7400000001
(XEN)    ffff8300001f4080
(XEN) Xen call trace:
(XEN)    [<ffff8300001180f4>] __bug+0x24/0x30
(XEN)    [<ffff83000012186a>] ioapic_guest_write+0x25a/0x490
(XEN)    [<ffff83000012eb44>] do_general_protection+0x804/0x10d0
(XEN)    [<ffff83000012b593>] do_physdev_op+0x2f3/0x53c
(XEN)    [<ffff830000160f22>] syscall_enter+0x62/0x67
(XEN)    
(XEN) ************************************
(XEN) CPU1 FATAL TRAP 6 (invalid opcode), ERROR_CODE 0000, IN INTERRUPT CONTEXT.
(XEN) System shutting down -- need manual reset.
(XEN) ************************************

Does anybody has idea how to resolve it?

I'm running Xen 3.0.3-rc4 uploaded today by Bastian with kernel
2.6.18-1 on amd64 architecture. Do you need any more information?

-- 
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 you the whole house."



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