Bug#453253: linux-2.6.18-5-xen-686: kernel BUG at drivers/xen/core/evtchn.c:481!
Package: linux-2.6.18-5-xen-686
Severity: critical
Justification: breaks unrelated software
When shutting down a Xen DomU, the following intermittantly happens:
mrstabby kernel: EIP: [<c020c222>] retrigger+0x1f/0x35 SS:ESP 0069:c039feb0
Nov 28 13:09:16 mrstabby kernel: ------------[ cut here ]------------
Nov 28 13:09:16 mrstabby kernel: kernel BUG at drivers/xen/core/evtchn.c:481!
Nov 28 13:09:16 mrstabby kernel: invalid opcode: 0000 [#1]
Nov 28 13:09:16 mrstabby kernel: SMP
Nov 28 13:09:16 mrstabby kernel: Modules linked in: xt_physdev iptable_filter ip_tables x_tables bridge netloop ipv6 button ac battery ext2 mbcache loop tsdev ide_floppy floppy joydev rtc pcspkr psmouse e752x_edac serial_core serio_raw edac_mc shpchp pci_hotplug evdev sg xfs dm_mirror dm_snapshot dm_mod ide_cd cdrom sd_mod usbhid siimage generic uhci_hcd ide_core megaraid_mbox scsi_mod megaraid_mm e1000 ehci_hcd usbcore thermal processor fan
Nov 28 13:09:16 mrstabby kernel: CPU: 2
Nov 28 13:09:16 mrstabby kernel: EIP: 0061:[<c020c222>] Not tainted VLI
Nov 28 13:09:16 mrstabby kernel: EFLAGS: 00010046 (2.6.18-5-xen-686 #1)
Nov 28 13:09:16 mrstabby kernel: EIP is at retrigger+0x1f/0x35
Nov 28 13:09:17 mrstabby kernel: eax: 00000000 ebx: 02080000 ecx: 0000002a edx: f55f6000
Nov 28 13:09:17 mrstabby kernel: esi: c0317760 edi: 00000116 ebp: 00000000 esp: c039feb0
Nov 28 13:09:17 mrstabby kernel: ds: 007b es: 007b ss: 0069
Nov 28 13:09:17 mrstabby kernel: Process xenwatch (pid: 17, ti=c039e000 task=c0ea2550 task.ti=c039e000)
Nov 28 13:09:17 mrstabby kernel: Stack: c013b201 c0317760 00000116 c0317788 c013af57 d1c1c6c0 00000000 00000000
Nov 28 13:09:17 mrstabby kernel: d1c1c6c0 c02171c8 00000000 c02175a8 c0210737 00000010 00000000 0000020b
Nov 28 13:09:17 mrstabby kernel: 0000020a 00000000 00000000 c057c4b6 c02e57a4 f0860000 00000000 00000002
Nov 28 13:09:17 mrstabby kernel: Call Trace:
Nov 28 13:09:17 mrstabby kernel: [<c013b201>] check_irq_resend+0x41/0x48
Nov 28 13:09:17 mrstabby kernel: [<c013af57>] enable_irq+0x72/0x87
Nov 28 13:09:17 mrstabby kernel: [<c02171c8>] __netif_up+0xb/0x13
Nov 28 13:09:17 mrstabby kernel: [<c02175a8>] netif_map+0x247/0x26f
Nov 28 13:09:17 mrstabby kernel: [<c0210737>] xs_talkv+0xe3/0x128
Nov 28 13:09:17 mrstabby kernel: [<c0210a80>] xenbus_read+0x34/0x3b
Nov 28 13:09:17 mrstabby kernel: [<c0210e42>] xenbus_scanf+0x18/0x4d
Nov 28 13:09:17 mrstabby kernel: [<c0216c39>] frontend_changed+0x29f/0x4a8
Nov 28 13:09:17 mrstabby kernel: [<c0211e20>] otherend_changed+0x74/0x79
Nov 28 13:09:17 mrstabby kernel: [<c02105ba>] xenwatch_handle_callback+0x12/0x44
Nov 28 13:09:17 mrstabby kernel: [<c0210fff>] xenwatch_thread+0x105/0x11b
Nov 28 13:09:17 mrstabby kernel: [<c012b6f9>] autoremove_wake_function+0x0/0x2d
Nov 28 13:09:17 mrstabby kernel: [<c0210efa>] xenwatch_thread+0x0/0x11b
Nov 28 13:09:17 mrstabby kernel: [<c012b62d>] kthread+0xc0/0xeb
Nov 28 13:09:17 mrstabby kernel: [<c012b56d>] kthread+0x0/0xeb
Nov 28 13:09:17 mrstabby kernel: [<c010293d>] kernel_thread_helper+0x5/0xb
Nov 28 13:09:17 mrstabby kernel: Code: ee 85 f6 75 96 58 5a 5b 5e 5f 5d c3 0f b7 0c 85 40 98 37 c0 8b 15 84 09 2d c0 85 c9 74 1d 0f a3 8a 80 08 00 00 19 c0 85 c0 75 08 <0f> 0b e1 01 92 0a 2b c0 f0 0f ab 8a 00 08 00 00 b8 01 00 00 00
Nov 28 13:09:17 mrstabby kernel: EIP: [<c020c222>] retrigger+0x1f/0x35 SS:ESP 0069:c039feb0
The kernel then panics.
-- System Information:
Debian Release: 4.0
APT prefers stable
APT policy: (500, 'stable')
Architecture: i386 (i686)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.6.18-5-xen-686
Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8)
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