[Xen-devel] Re: hypervisor panic on system boot in spinlock.c

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 04.11.11 at 11:23, Juergen Gross <juergen.gross@xxxxxxxxxxxxxx> wrote:
> with xen-unstable cs 24069 I get the following error when booting dom0:

I'm already looking into this.

Jan

> (XEN) PCI add device 0000:00:01.0
> (XEN) Xen BUG at spinlock.c:47
> (XEN) ----[ Xen-4.2-unstable  x86_64  debug=y  Tainted:    C ]----
> (XEN) CPU:    3
> (XEN) RIP:    e008:[<ffff82c480124774>] check_lock+0x44/0x50
> (XEN) RFLAGS: 0000000000010046   CONTEXT: hypervisor
> (XEN) rax: 0000000000000000   rbx: ffff83033eb17868   rcx: 0000000000000001
> (XEN) rdx: 0000000000000000   rsi: 0000000000000001   rdi: ffff83033eb1786c
> (XEN) rbp: ffff83033ea8fd30   rsp: ffff83033ea8fd30   r8:  ffff83033ea8feb8
> (XEN) r9:  00000000deadbeef   r10: ffff82c480225cb0   r11: 0000000000000246
> (XEN) r12: ffff83033eb16000   r13: 0000000000000020   r14: ffff83033ea8feb8
> (XEN) r15: ffff83033eb17868   cr0: 000000008005003b   cr4: 00000000000026f0
> (XEN) cr3: 0000000335691000   cr2: 0000000000000000
> (XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: e010   cs: e008
> (XEN) Xen stack trace from rsp=ffff83033ea8fd30:
> (XEN)    ffff83033ea8fd48 ffff82c4801247b1 0000000000000020 ffff83033ea8fd88
> (XEN)    ffff82c48012b4f5 00000102000000ed 0000000000000020 0000000000000010
> (XEN)    0000000000000030 ffff83033ea8feb8 ffff83033ea8fe90 ffff83033ea8fdc8
> (XEN)    ffff82c48012b9c7 000000000000f800 0000000000000000 ffff83033eac3180
> (XEN)    0000000000000292 ffff83033ea8feb8 ffff83033ea8fe90 ffff83033ea8fde8
> (XEN)    ffff82c48010f3ab 0000000000000031 ffff83033eac3180 ffff83033ea8fe18
> (XEN)    ffff82c4801658dd ffff83033eb10010 0000000000007ff0 ffff83033ea92000
> (XEN)    0000000000000000 ffff83033ea8fe78 ffff82c480177453 ffff83033ea8fe68
> (XEN)    ffff83033ea8fe94 ffffffff3ea8fe68 ffff82c480265aa0 ffff83033ea92000
> (XEN)    ffff8300bf2fb000 ffff8800bf90fb70 ffff8800bfaf1000 0000000000000000
> (XEN)    0000000000007ff0 ffff83033ea8fef8 ffff82c480177d0a 0000000000007ff0
> (XEN)    ffffffffffffffff 0000000800000000 ffffffff00000000 0000000000000000
> (XEN)    0000000000000003 ffffffff08000000 0000000000000000 0000000000000000
> (XEN)    00a0fb00bf2fb000 ffff8300bf2fb000 0000000000000000 ffff8800bfaf1000
> (XEN)    0000000000000000 00007cfcc15700c7 ffff82c48021c928 ffffffff8000342a
> (XEN)    0000000000000021 0000000000007ff0 0000000000000000 ffff8800bfaf1000
> (XEN)    0000000000000000 ffff8800bfaf1000 0000000000000000 0000000000000246
> (XEN)    0000000000000008 ffff8800bf90fba4 0000000000000002 0000000000000021
> (XEN)    ffffffff8000342a 0000000000000000 ffff8800bf90fb70 000000000000000d
> (XEN)    0000010000000000 ffffffff8000342a 000000000000e033 0000000000000246
> (XEN) Xen call trace:
> (XEN)    [<ffff82c480124774>] check_lock+0x44/0x50
> (XEN)    [<ffff82c4801247b1>] _spin_lock+0x11/0x5d
> (XEN)    [<ffff82c48012b4f5>] xmem_pool_alloc+0x138/0x4d2
> (XEN)    [<ffff82c48012b9c7>] _xmalloc+0x138/0x230
> (XEN)    [<ffff82c48010f3ab>] init_one_irq_desc+0x33/0xf8
> (XEN)    [<ffff82c4801658dd>] create_irq+0x71/0xb4
> (XEN)    [<ffff82c480177453>] physdev_map_pirq+0x2c8/0x548
> (XEN)    [<ffff82c480177d0a>] do_physdev_op+0x637/0x10e5
> (XEN)    [<ffff82c48021c928>] syscall_enter+0xc8/0x122
> (XEN)
> (XEN)
> (XEN) ****************************************
> (XEN) Panic on CPU 3:
> (XEN) Xen BUG at spinlock.c:47
> (XEN) ****************************************
> 
> 
> Juergen





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