[Xen-devel] kernel panic on x86 PAE

[Hans-Christian Armingeon <johnny@xxxxxxxxxx>]

Hi,

has anybody got an idea, why my domU panics after a few hours with this error?

Unable to handle kernel NULL pointer dereference at virtual address 000000fb
 printing eip:
c03e4034
0dc08000 -> *pde = 00000000:9e5f2001
07f42000 -> *pme = 00000000:00000000
Oops: 0002 [#1]
SMP
Modules linked in: sr_mod cdrom ide_generic ipv6
CPU:    0
EIP:    0061:[<c03e4034>]    Not tainted VLI
EFLAGS: 00010046   (2.6.16.27-xen-pae #3)
EIP is at network_tx_buf_gc+0x1d4/0x280
eax: 00000025   ebx: 00000012   ecx: 00000032   edx: 00000000
esi: 0000006b   edi: ed7d0380   ebp: 004ceafa   esp: d028de70
ds: 007b   es: 007b   ss: 0069
Process rsync (pid: 24131, threadinfo=d028c000 task=ed46f570)
Stack: <0>d6b95ac4 c067a480 d028c000 004ceb01 ed7d0000 00000000 ed7d0408 
ed7d0380
       ed7d0000 c03e4c20 c0a66f80 00000000 d028df14 0000010b c0145529 00000000
       00008580 c0633980 0000010b c0a66f80 c0145602 00000000 c063399c d028df14
Call Trace:
 [<c03e4c20>] netif_int+0x30/0x140
 [<c0145529>] handle_IRQ_event+0x49/0xa0
 [<c0145602>] __do_IRQ+0x82/0xf0
 [<c01068f7>] do_IRQ+0x37/0x70
 [<c03d09d8>] evtchn_do_upcall+0xa8/0xe0
 [<c0105085>] hypervisor_callback+0x3d/0x48
 [<c03d092a>] force_evtchn_callback+0xa/0x10
 [<c0115475>] do_page_fault+0x905/0x90a
 [<c010a425>] old_mmap+0xd5/0x120
 [<c0114b70>] do_page_fault+0x0/0x90a
 [<c0105043>] error_code+0x2b/0x30
Code: 08 00 00 8d 87 d4 08 00 00 e8 e9 df fe ff 31 c0 89 84 9f d8 08 00 00 8b 
87 d0 00 00 00 89 84 9f d0 00 00 00 89 9f d0 00 00 00 90 <ff> 8e 90 00 00 00 0f 
94 c0 84 c0 75 0f 8b 57 74 e9 8e fe ff ff
 <0>Kernel panic - not syncing: Fatal exception in interrupt


Thanks in advance,

Johnny
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