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

[Stefan Berger <stefanb@xxxxxxxxxx>]

xen-devel-bounces@xxxxxxxxxxxxxxxxxxx wrote on 06/30/2006
05:49:41 PM:

> Live or non-live?  Is this a new bug?
> 
It was non-live and occurred twice. I rebooted the
target machine in the meantime and now cannot reproduce it anymore.

   Stefan

> > 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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