kernel BUG domU, rev 7701

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kernel BUG domU, rev 7701

Andrew Theurer
Anyone seen something like this? This doesn't happen all the time, so
it's hard to reproduce consistently. Actually, thinking about this, it
seems to happen when I am scp'ing something from dom0 to the domU. This
is on x86_32, 2 x Xeon, HT disbaled, SMP domU:

kernel BUG at arch/xen/i386/mm/hypervisor.c:354
(xen_create_contiguous_region)!
[<c01176ad>] xen_create_contiguous_region+0x26d/0x2b0
[<c0107307>] skbuff_ctor+0x67/0x80
[<c014de74>] cache_init_objs+0x74/0xa0
[<c014e05c>] cache_grow+0xfc/0x280
[<c014e42e>] cache_alloc_refill+0x24e/0x290
[<c01499da>] __alloc_pages+0xba/0x420
[<c014e6dd>] kmem_cache_alloc+0x9d/0xb0
[<c0288817>] alloc_skb_from_cache+0x47/0x100
[<c01071b0>] alloc_skb+0x40/0xb0
[<c02873d8>] sock_alloc_send_pskb+0x118/0x240
[<c028752d>] sock_alloc_send_skb+0x2d/0x40
[<c02da73b>] unix_stream_sendmsg+0x21b/0x470
[<c01496ac>] buffered_rmqueue+0x12c/0x2d0
[<c02840a5>] sock_aio_write+0xd5/0x130
[<c0168629>] do_sync_write+0xc9/0x110
[<c0138e50>] autoremove_wake_function+0x0/0x60
[<c017dc20>] __pollwait+0x0/0xd0
[<c016879c>] vfs_write+0x12c/0x130
[<c016886b>] sys_write+0x4b/0x80
[<c010a2b5>] syscall_call+0x7/0xb

-Andrew


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Re: kernel BUG domU, rev 7701

Steven Hand

> Anyone seen something like this? This doesn't happen all the time, so
> it's hard to reproduce consistently. Actually, thinking about this, it
> seems to happen when I am scp'ing something from dom0 to the domU. This
> is on x86_32, 2 x Xeon, HT disbaled, SMP domU:

There's a fix for this in 7708.

cheers,

S.


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Re: kernel BUG domU, rev 7701

Andrew Theurer
Steven Hand wrote:

>>Anyone seen something like this? This doesn't happen all the time, so
>>it's hard to reproduce consistently. Actually, thinking about this, it
>>seems to happen when I am scp'ing something from dom0 to the domU. This
>>is on x86_32, 2 x Xeon, HT disbaled, SMP domU:
>>    
>>
>
>There's a fix for this in 7708.
>

Excellent, thank you!

-Andrew


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