[Xen-devel] Xen BUG at page_alloc.c:425, alloc_heap_pages

[Liwei <xieliwei@xxxxxxxxx>]

Hello all,
    My graphics card died today so I temporarily swapped it out for
the old GTX460.
    Now xen keeps bugging out on me within minutes after boot. I
realise this could be a hardware problem, but what does this bug point
to?

(XEN) ----[ Xen-4.1.2-rc3-pre  x86_64  debug=n  Not tainted ]----
(XEN) CPU:    5
(XEN) RIP:    e008:[<ffff82c480113bf2>] alloc_heap_pages+0x542/0x570
(XEN) RFLAGS: 0000000000010206   CONTEXT: hypervisor
(XEN) rax: ffff82c480290e40   rbx: ffff82f606700000   rcx: 0000000000000009
(XEN) rdx: ffff82c4802929e0   rsi: 00000000ffffffff   rdi: ffff82c480290c40
(XEN) rbp: ffff82f606703040   rsp: ffff830431b7fcd8   r8:  0000000000000000
(XEN) r9:  ffff82c480294088   r10: 0000000000000015   r11: ffff82c480293fe0
(XEN) r12: ffff82c4802bba9c   r13: 0000000000000182   r14: 0000000000000200
(XEN) r15: 0180000000000000   cr0: 0000000080050033   cr4: 00000000000026f0
(XEN) cr3: 0000000408398000   cr2: ffff880018b011f0
(XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: e010   cs: e008
(XEN) Xen stack trace from rsp=ffff830431b7fcd8:
(XEN)    0000000000000027 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000001 ffff82c480120a63
(XEN)    0000000000000002 ffff8302b5e1e000 0000000000000000 0000000000000027
(XEN)    0000000000000009 0000000000000000 ffff830431b7ff18 ffff82c480114716
(XEN)    ffff830431b7ff18 000000000215400c ffff8302b5e1e000 0000000000000200
(XEN)    0000000000000001 ffff82c4801112b0 0000000000000292 0000000000000292
(XEN)    ffff82f6082a50a0 ffff830431bcd068 ffff82c4802bc5d0 0000000000000000
(XEN)    0000000000000009 0000000002156004 0000000000000004 ffff830431b7ff18
(XEN)    0000000000000006 ffff82c480298480 ffff82c400000004 ffff830431b88080
(XEN)    ffff82c4802a9f60 0000000000000092 000000000000001e ffff82c4802bb880
(XEN)    0000000000000005 ffff830431b880a8 ffff82c480122d1b ffff8300bf76a000
(XEN)    ffff8300bf76a000 ffff82c480150769 0000001da663789e ffff82c48015421d
(XEN)    ffff82c4802bb6e0 ffff82c48011dc4b 0000000000000000 ffff82c48017ea86
(XEN)    ffff8300bf76a000 0000000001c9c380 0000000002154004 0000000000000004
(XEN)    0000000000000009 0000000000000002 ffff8302b5e1e000 000000000007c200
(XEN)    0000000000338200 0000000000000100 00007f6de3ec33b7 0000000000000033
(XEN)    0000000000000246 ffff8300bf76a000 00000000ffffffe7 00007fff5d864a80
(XEN)    ffff8800272edd40 00007fff5d864b70 000000000007f800 ffff82c4801f6418
(XEN)    000000000007f800 00007fff5d864b70 ffff8800272edd40 00007fff5d864a80
(XEN)    00000000ffffffe7 ffff88002d5c8000 0000000000000282 00007fff5d864ac0
(XEN) Xen call trace:
(XEN)    [<ffff82c480113bf2>] alloc_heap_pages+0x542/0x570
(XEN)    [<ffff82c480120a63>] cpumask_raise_softirq+0x83/0x90
(XEN)    [<ffff82c480114716>] alloc_domheap_pages+0xe6/0x110
(XEN)    [<ffff82c4801112b0>] do_memory_op+0x680/0x1ae0
(XEN)    [<ffff82c480122d1b>] add_entry+0x4b/0xb0
(XEN)    [<ffff82c480150769>] continue_nonidle_domain+0x9/0x30
(XEN)    [<ffff82c48015421d>] continue_running+0xd/0x20
(XEN)    [<ffff82c48011dc4b>] schedule+0x42b/0x560
(XEN)    [<ffff82c48017ea86>] copy_from_user+0x26/0x90
(XEN)    [<ffff82c4801f6418>] syscall_enter+0x88/0x8d
(XEN)
(XEN)
(XEN) ****************************************
(XEN) Panic on CPU 5:
(XEN) Xen BUG at page_alloc.c:425
(XEN) ****************************************
(XEN)
(XEN) Reboot in five seconds...

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