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[Xen-devel] HV crash with PVOPS kernel on 32bit

To: <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-devel] HV crash with PVOPS kernel on 32bit
From: Conny Seidel <conny.seidel@xxxxxxx>
Date: Tue, 9 Nov 2010 20:53:13 +0100
Delivery-date: Tue, 09 Nov 2010 11:54:56 -0800
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Hi,

we see a XEN HV panic on a 32bit PVOPS kernel.

XEN version:  XEN-unstable 22365-0d5f09e3728c 32bit
PVOPS Kernel: origin/xen/stable commit id: 6c72eadd1 32bit
used BaseOS:  SLES11 SP1 32bit

(XEN) Xen BUG at spinlock.c:28
(XEN) ----[ Xen-4.1-unstable  x86_32p  debug=y  Not tainted ]----
(XEN) CPU:    0
(XEN) EIP:    e008:[<ff11cabb>] check_lock+0x3b/0x48
(XEN) EFLAGS: 00010046   CONTEXT: hypervisor
(XEN) eax: 00000000   ebx: 00000001   ecx: ff2f9924   edx: 00000000
(XEN) esi: ff2f9920   edi: 00082000   ebp: ff247da8   esp: ff247da4
(XEN) cr0: 8005003b   cr4: 000006f0   cr3: 00b66c80   cr2: c18498fc
(XEN) ds: e010   es: e010   fs: 00d8   gs: 0000   ss: e010   cs: e008
(XEN) Xen stack trace from esp=ff247da4:
(XEN)    00000082 ff247db8 ff11cb91 00000001 00000000 ff247e18 ff13d17b ff2f9920
(XEN)    ff10e68f 0000b760 ff114bee 0000000a 00000022 000000a0 ff276c48 ff2f9920
(XEN)    000000a0 01016024 00000000 0000002f 00000000 00000002 0000000c 00000001
(XEN)    00000960 01000000 00000022 ff2ef074 00000960 ff247e38 ff131348 00000000
(XEN)    00000022 00000960 ff13140b 00000000 00000022 ff247e68 ff14b306 00000000
(XEN)    00000022 00000960 ff11cb91 fffeffff 00000000 01247e78 00000009 00000000
(XEN)    00000082 ff247e78 ff14b38b 00000009 ffb80500 ff247e98 ff14b3d7 00000009
(XEN)    ff274680 00000046 00000009 ffb80500 ff298fa8 ff247ee8 ff150e3b 00000009
(XEN)    ff14e72d ffb80500 00000000 ff2b0ae4 ecc77e18 ff247ec8 00000009 ffb80500
(XEN)    ff298fa8 ffb80500 00000000 00000000 00000000 00000000 00000012 00000033
(XEN)    ecc77ec4 ff247f88 ff106490 ffb66000 00000009 00000000 53472072 0d392049
(XEN)    4950000a 6f662043 00000000 00002a70 c11f5ce6 ffb66000 00000001 940a45fe
(XEN)    00000001 ff247f78 ff11f366 ff274680 00000009 ffb66000 ff282000 ff28c810
(XEN)    00000012 ff28207c f8ac3fe8 909090ff 90909090 c390ee90 ff274700 ff274680
(XEN)    ff276f60 ff276f64 00000009 00000000 c1749698 ff247fee ffb66000 00000020
(XEN)    ff247fa8 00db803b ff1d247b 00000002 ecc77ec4 deadbeef deadbeef deadbeef
(XEN)    deadbeef c1002407 00000020 00000002 ecc77ec4 ecc77ec4 ffffffda ecc30090
(XEN)    ecc77eb8 00000020 000d0000 c1002407 00000061 00000286 ecc77e84 0000e021
(XEN)    0000007b 0000007b 000000d8 00000000 00000000 ffb66000 00000000
(XEN) Xen call trace:
(XEN)    [<ff11cabb>] check_lock+0x3b/0x48
(XEN)    [<ff11cb91>] _spin_lock_irqsave+0x1b/0x5d
(XEN)    [<ff13d17b>] amd_iommu_ioapic_update_ire+0x17d/0x252
(XEN)    [<ff131348>] iommu_update_ire_from_apic+0x46/0x48
(XEN)    [<ff14b306>] __modify_IO_APIC_irq+0xb5/0x125
(XEN)    [<ff14b38b>] __unmask_IO_APIC_irq+0x15/0x17
(XEN)    [<ff14b3d7>] startup_edge_ioapic_irq+0x4a/0x69
(XEN)    [<ff150e3b>] pirq_guest_bind+0x2d5/0x48a
(XEN)    [<ff106490>] do_event_channel_op+0x997/0xe97
(XEN)    [<ff1d247b>] hypercall+0xbb/0xdb
(XEN)
(XEN)
(XEN) ****************************************
(XEN) Panic on CPU 0:
(XEN) Xen BUG at spinlock.c:28
(XEN) ****************************************
(XEN)


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