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xen-devel
Re: [Xen-devel] Kernel bug from 3.0 (was phy disks and vifs timing out i
On Fri, Jul 29, 2011 at 08:53:02AM +0100, Anthony Wright wrote:
> I've just upgraded to xen 4.1.1 with a stock 3.0 kernel on dom0 (with
> the vga-support patch backported). I can't get my DomU's to work due to
> the phy disks and vifs timing out in DomU and looking through my logs
> this morning I'm getting a consistent kernel bug report with xen
> mentioned at the top of the stack trace and vifdisconnect mentioned on
Yikes! Ian any ideas what to try?
Anthony, can you compile the kernel with debug=y and when this happens
see what 'xl dmesg' gives? Also there is also the 'xl debug-keys g' which
should dump the grants in use.. that might help a bit.
> 2011 Jul 29 07:18:50 kernel: [ 33.213500] vif vif-1-0: vif1.0: failed to
> map tx ring. err=-12 status=-1
>
> 2011 Jul 29 07:18:50 kernel: [ 33.213516] vif vif-1-0: 1 mapping
> shared-frames 768/769 port 12
>
> 2011 Jul 29 07:19:01 /usr/sbin/cron[3719]: (root) CMD (/usr/monitor/monitor)
>
> 2011 Jul 29 07:19:23 kernel: [ 66.043164] vif vif-1-0: 2 reading script
>
> 2011 Jul 29 07:19:23 kernel: [ 66.045984] br-internal: port 1(vif1.0)
> entering disabled state
>
> 2011 Jul 29 07:19:23 kernel: [ 66.046044] libfcoe_device_notification:
> NETDEV_UNREGISTER vif1.0
>
> 2011 Jul 29 07:19:23 kernel: [ 66.046082] br-internal: port 1(vif1.0)
> entering disabled state
>
> 2011 Jul 29 07:19:23 kernel: [ 66.046279] br-internal: mixed no
> checksumming and other settings.
>
> 2011 Jul 29 07:19:23 kernel: [ 66.050077] ------------[ cut here
> ]------------
>
> 2011 Jul 29 07:19:23 kernel: [ 66.050858] kernel BUG at mm/vmalloc.c:2164!
>
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] invalid opcode: 0000 [#1] SMP
>
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] Modules linked in:
>
> 2011 Jul 29 07:19:23 kernel: [ 66.051034]
>
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] Pid: 20, comm: xenwatch Not
> tainted 3.0.0 #1 MSI MS-7309/MS-7309
>
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] EIP: 0061:[<c0494bff>] EFLAGS:
> 00010207 CPU: 1
>
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] EIP is at free_vm_area+0xf/0x19
>
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] EAX: 00000000 EBX: d0799700 ECX:
> 00000018 EDX: 00000000
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] ESI: cf9e5800 EDI: d051a600 EBP:
> cf9e5c00 ESP: d0ce7eb4
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] DS: 007b ES: 007b FS: 00d8 GS:
> 0000 SS: 0069
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] Process xenwatch (pid: 20,
> ti=d0ce6000 task=d0c55140 task.ti=d0ce6000)
>
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] Stack:
>
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] cf9e5c00 c09e87aa fffc6e23
> c0c4bd65 d0ce7ecc cf9e5844 d0ce7ecc d0ce7ecc
>
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] cf9e5c00 cf9e5800 d051a600
> cf9e5c94 c09eace0 cffdbfe0 00000000 fffffffe
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] d0ce7f9c c061fe74 cffdbe60
> d051a620 d051a600 d0ce7f9c c09e9f8c d051a600
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] Call Trace:
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] [<c09e87aa>] ?
> xen_netbk_unmap_frontend_rings+0xbf/0xd3
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] [<c0c4bd65>] ?
> netdev_run_todo+0x1b7/0x1cc
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] [<c09eace0>] ?
> xenvif_disconnect+0xd0/0xe4
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] [<c061fe74>] ?
> xenbus_rm+0x37/0x3e
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] [<c09e9f8c>] ?
> netback_remove+0x40/0x5d
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] [<c062075d>] ?
> xenbus_dev_remove+0x2c/0x3d
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] [<c06620e6>] ?
> __device_release_driver+0x42/0x79
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] [<c06621ac>] ?
> device_release_driver+0xf/0x17
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] [<c0661818>] ?
> bus_remove_device+0x75/0x84
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] [<c0660693>] ?
> device_del+0xe6/0x125
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] [<c06606da>] ?
> device_unregister+0x8/0x10
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] [<c06205f0>] ?
> xenbus_dev_changed+0x71/0x129
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] [<c0405394>] ?
> check_events+0x8/0xc
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] [<c061f711>] ?
> xenwatch_thread+0xeb/0x113
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] [<c044792c>] ?
> wake_up_bit+0x53/0x53
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] [<c061f626>] ?
> xenbus_thread+0x1cc/0x1cc
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] [<c0447616>] ? kthread+0x63/0x68
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] [<c04475b3>] ?
> kthread_worker_fn+0x122/0x122
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] [<c0e0f036>] ?
> kernel_thread_helper+0x6/0x10
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] Code: c1 00 00 00 01 89 f0 e8 a1
> ff ff ff 81 6b 08 00 10 00 00 eb 02 31 db 89 d8 5b 5e c3 53 89 c3 8b 40 04 e8
> 9b ff ff ff 39 d8 74 04 <0f> 0b eb fe 5b e9 73 95 00 00 57 89 d7 56 31 f6 53
> 89 c3 eb 09
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] EIP: [<c0494bff>]
> free_vm_area+0xf/0x19 SS:ESP 0069:d0ce7eb4
> 2011 Jul 29 07:19:23 kernel: [ 66.051034] ---[ end trace b47a8d30fa29735c
> ]---
> 2011 Jul 29 07:19:23 logger: /etc/xen/scripts/xen-hotplug-cleanup:
> XENBUS_PATH=backend/qdisk/1/51714
> 2011 Jul 29 07:19:23 logger: /etc/xen/scripts/xen-hotplug-cleanup:
> XENBUS_PATH=backend/qdisk/1/51713
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