[Xen-devel] XEN-HV Panic on 4.1.3

[Conny Seidel <conny.seidel@xxxxxxx>]

Hi,

we are seeing lately a lot of these HV-panics.

This happens when we try to start a guest/multiple guests.


(XEN) sh error: shadow_unhook_mappings(): top-level shadow has bad type 00000001
(XEN) Xen BUG at common.c:1305
(XEN) ----[ Xen-4.1.3  x86_32p  debug=n  Not tainted ]----
(XEN) CPU:    19
(XEN) EIP:    e008:[<ff1c5856>] shadow_unhook_mappings+0x46/0xb0
(XEN) EFLAGS: 00010282   CONTEXT: hypervisor
(XEN) eax: 00000000   ebx: 00000001   ecx: 00000000   edx: 00000000
(XEN) esi: ff998000   edi: ffaf5e18   ebp: 00225965   esp: ffa9fc9c
(XEN) cr0: 8005003b   cr4: 000006f0   cr3: 00998c80   cr2: b7656fd0
(XEN) ds: e010   es: e010   fs: 00d8   gs: 00e0   ss: e010   cs: e008
(XEN) Xen stack trace from esp=ffa9fc9c:
(XEN)    ff20cb84 ff1e724f 00000001 00000000 ffa9ffb0 00000001 ffa9ffb0 ff1d25b5
(XEN)    ff998000 00000000 00000001 ffa9fd08 00000000 ff998000 ffaf5e18 00031dc1
(XEN)    00225bc1 ffa9ffb0 00000004 ff999040 31f65000 00000000 00000001 00000001
(XEN)    00000000 00000000 00000009 00000007 00000010 00000001 00000001 ff9a0000
(XEN)    00000000 f1dc1e88 00000009 ff19ea96 ff998000 31f65000 00000000 ffa9ffb0
(XEN)    ffa9fdbc 00000000 fbb58d14 fbb58d08 00000000 fbb58d08 00000000 ff15c406
(XEN)    fbb58d08 00000000 00106800 ff1d12c7 7908b063 80000003 ff9a0000 00000029
(XEN)    00000296 ff998058 ff998058 80000003 90ceccdd ff998000 ff998000 fe7ffdd0
(XEN)    ff998000 ff9a0000 00000029 003d47fb ff998000 003d5a54 c0947ff0 8020001d
(XEN)    31f65000 00000000 00000000 003d5a54 d5a54067 b7656fd0 31445001 ff9a0000
(XEN)    6e68b067 00000001 6acd6025 00000022 ffa9ffb0 ff998000 ff992000 ff19b6c1
(XEN)    00000009 f1dc1e88 00000000 f2203480 f22034b8 f1dc1ea4 0000000f 00000007
(XEN)    0c930068 ffffffff 00000000 00000000 00000000 00000003 00000081 ff1b06f6
(XEN)    ffa9ffb0 ffa9ff88 00000001 00000000 fedb4840 ff19d818 fedb4840 0022031a
(XEN)    0000002c ffa9fe98 00000001 ff998000 ffa9fea4 ffa9ffb0 ff99807c ff998000
(XEN)    ffaf5e18 ff1ad36f ff998de8 00000000 ff121fb0 00000013 00000004 ff998000
(XEN)    00000013 ff998ed0 00000013 00000082 ff12215e ff2112b4 0000002c ffa9ffb0
(XEN)    00000000 ff9a0000 00000006 00000082 ff122182 ff2112b4 00000082 00000046
(XEN)    ff105c9c ff998ed0 ff998000 00000080 00000000 6833feb3 00000029 2c7e820e
(XEN)    00000000 90c08188 00000029 00000000 90cf902d 00000029 90ceccdd 00000029
(XEN) Xen call trace:
(XEN)    [<ff1c5856>] shadow_unhook_mappings+0x46/0xb0
(XEN)    [<ff1d25b5>] sh_pagetable_dying+0x195/0x410
(XEN)    [<ff19ea96>] do_hvm_op+0xbd6/0x1bf0
(XEN)    [<ff15c406>] put_page_and_type+0x16/0x20
(XEN)    [<ff1d12c7>] shadow_set_l1e+0x317/0x670
(XEN)    [<ff19b6c1>] hvm_do_hypercall+0x91/0x170
(XEN)    [<ff1b06f6>] svm_vmexit_handler+0x166/0x1540
(XEN)    [<ff19d818>] __hvm_copy+0xa8/0x300
(XEN)    [<ff1ad36f>] pt_restore_timer+0x1f/0xd0
(XEN)    [<ff121fb0>] tasklet_enqueue+0xb0/0xc0
(XEN)    [<ff12215e>] tasklet_schedule_on_cpu+0x7e/0x80
(XEN)    [<ff122182>] tasklet_schedule+0x22/0x30
(XEN)    [<ff105c9c>] evtchn_set_pending+0x7c/0x150
(XEN)    [<ff1ad44e>] pt_update_irq+0x2e/0x230
(XEN)    [<ff1a3c7a>] hvm_vcpu_has_pending_irq+0x5a/0xc0
(XEN)    [<ff1ae070>] svm_intr_assist+0x40/0x1a0
(XEN)    [<ff12039f>] __do_softirq+0x5f/0x90
(XEN)    [<ff1adef4>] svm_stgi_label+0x8/0x34
(XEN)
(XEN)
(XEN) ****************************************
(XEN) Panic on CPU 19:
(XEN) Xen BUG at common.c:1305
(XEN) ****************************************

--
Kind regards.

Conny Seidel

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