RE: [Xen-devel] Netfront crashes after domain migration.

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

Live or non-live?  Is this a new bug?

> I am migrating a domain accross the network and get the following
error.
> Both machines are running the latest checkout - up to changeset 10574.
> 
>    Stefan
> 
> 
> ------------[ cut here ]------------
> kernel BUG at drivers/xen/netfront/netfront.c:607!
> invalid opcode: 0000 [#1]
> SMP
> Modules linked in:
> CPU:    0
> EIP:    0061:[<c0265e72>]    Not tainted VLI
> EFLAGS: 00010086   (2.6.16.13-xen #4)
> EIP is at network_alloc_rx_buffers+0x362/0x380
> eax: ffffffe4   ebx: ffffffe4   ecx: c0041060   edx: 00000801
> esi: 00000101   edi: c0040380   ebp: 00000100   esp: c047bec0
> ds: 007b   es: 007b   ss: 0069
> Process xenwatch (pid: 8, threadinfo=c047a000 task=c100e570)
> Stack: <0>c33b49c0 c0041ee0 c0040428 c33b49c0 c439de80 00000025
000000db
> c0040000
>       c0040000 c025b93d 00000000 c0479e00 c047a000 c0429300 00000005
> c0040000
>       00000025 00000101 00000101 c0040380 c02671d1 c0429300 c047a000
> c0040000
> Call Trace:
> [<c025b93d>] xenbus_scanf+0x1d/0x50
> [<c02671d1>] network_connect+0x1e1/0x230
> [<c0265677>] backend_changed+0x37/0x70
> [<c025ca38>] otherend_changed+0x78/0x80
> [<c025be82>] xenwatch_handle_callback+0x12/0x50
> [<c025c00c>] xenwatch_thread+0x14c/0x160
> [<c025be70>] xenwatch_handle_callback+0x0/0x50
> [<c0134d90>] autoremove_wake_function+0x0/0x50
> [<c0134d90>] autoremove_wake_function+0x0/0x50
> [<c011972d>] complete+0x3d/0x60
> [<c025bec0>] xenwatch_thread+0x0/0x160
> [<c0134885>] kthread+0xa5/0xf0
> [<c01347e0>] kthread+0x0/0xf0
> [<c0102efd>] kernel_thread_helper+0x5/0x18
> Code: a0 00 00 00 8d 14 09 39 c2 0f 46 c2 89 87 a4 00 00 00 e9 7d fd
ff ff
> bb 01 00 00 00 8d 4c 24 20 e8 14 b3 e9 ff 3b 44 24 18 eb 85 <0f> 0b 5f
02
> 8c
> 8f 36 c0 e9 d5 fd ff ff c7 04 24 ac 8f 36 c0 e8
> 
> 


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