[Xen-bugs] [Bug 99] New: Xen Linux DomU running specjbb2000 crashes Dom0

[david_wolinsky@xxxxxxxx]

http://bugzilla.xensource.com/cgi-bin/bugzilla/show_bug.cgi?id=99

           Summary: Xen Linux DomU running specjbb2000 crashes Dom0
           Product: Xen
           Version: unstable
          Platform: x86
        OS/Version: Linux-2.6
            Status: NEW
          Severity: critical
          Priority: P5
         Component: Unspecified
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: david_wolinsky@xxxxxxxx


Not a ram issue as VMX domains are not effected

Here is another message from the same issue...

"kernel BUG at mm/page_alloc.c:649!"


Here is the error on the latest mercurial pull...


Unable to handle kernel paging request at virtual address 7158c114
 printing eip:
c014015e
*pde = ma 00000000 pa 55555000
Oops: 0002 [#1]
PREEMPT 
Modules linked in:
CPU:    0
EIP:    0061:[<c014015e>]    Not tainted VLI
EFLAGS: 00210202   (2.6.12-xen0) 
EIP is at buffered_rmqueue+0x73/0x2bf
eax: c1206efa   ebx: d6162000   ecx: c031bdcc   edx: 7158c110
esi: c031bda0   edi: 00000000   ebp: c031bdbc   esp: d6163de8
ds: 0069   es: 0069   ss: 0069
Process python (pid: 8244, threadinfo=d6162000 task=dc371020)
Stack: 93a0ffff dc371510 00000003 00000000 c1206ee2 c031bda0 00000000 000080d2 
       00000000 c01405c8 c031bda0 00000000 000080d2 00000000 00000000 00000000 
       00000000 00000000 dc371020 00000010 c031c12c dc371020 d6162000 c73391cc 
Call Trace:
 [<c01405c8>] __alloc_pages+0x176/0x3fe
 [<c014c1d5>] do_anonymous_page+0x83/0x1b4
 [<c014c369>] do_no_page+0x63/0x3b0
 [<c014c942>] handle_mm_fault+0x197/0x227
 [<c011562d>] do_page_fault+0x1d8/0x64e
 [<c01292e0>] sys_kill+0x5b/0x62
 [<c011325d>] restore_i387+0x8c/0x96
 [<c0108e7f>] restore_sigcontext+0x11a/0x181
 [<c0108fc6>] sys_sigreturn+0xe0/0x111
 [<c0109e9e>] page_fault+0x2e/0x34
Code: 0f b6 78 01 c6 40 01 01 83 6b 14 01 8b 46 1c 3b 45 04 0f 8e e3 01 00 00 
85 c0 74 25 8b 45 10 8d 48 e8 89 4c 24 10 8b 48 04 8b 10 <89> 4a 04 89 11 c7 40 
04 00 02 20 00 c7 00 00 01 10 00 83 6e 1c 
 <6>note: python[8244] exited with preempt_count 1
Unable to handle kernel paging request at virtual address 7158c114
 printing eip:
c014015e
*pde = ma 00000000 pa 55555000
Oops: 0002 [#2]
PREEMPT 
Modules linked in:
CPU:    0
EIP:    0061:[<c014015e>]    Not tainted VLI
EFLAGS: 00010202   (2.6.12-xen0) 
EIP is at buffered_rmqueue+0x73/0x2bf
eax: c1206efa   ebx: c96de000   ecx: c031bdcc   edx: 7158c110
esi: c031bda0   edi: 00000000   ebp: c031bdbc   esp: c96dfe80
ds: 007b   es: 007b   ss: 0069
Process loop1 (pid: 4617, threadinfo=c96de000 task=d00b90a0)
Stack: c110fb20 00000000 0000000d d3a75200 c1206ee2 c031bda0 00000000 00000012 
       00000000 c01405c8 c031bda0 00000000 00000012 00000000 00000000 00000000 
       00000000 00000000 d00b90a0 00000010 c031c12c 0001c82b 00000000 00000000 
Call Trace:
 [<c01405c8>] __alloc_pages+0x176/0x3fe
 [<c013b777>] find_or_create_page+0x65/0xb0
 [<c0211c26>] do_lo_send_aops+0xc5/0x292
 [<c0212087>] lo_send+0xad/0x105
 [<c0211b61>] do_lo_send_aops+0x0/0x292
 [<c02122f0>] do_bio_filebacked+0x6b/0x71
 [<c0212671>] loop_thread+0x6e/0xef
 [<c0212603>] loop_thread+0x0/0xef
 [<c0107c35>] kernel_thread_helper+0x5/0xb
Code: 0f b6 78 01 c6 40 01 01 83 6b 14 01 8b 46 1c 3b 45 04 0f 8e e3 01 00 00 
85 c0 74 25 8b 45 10 8d 48 e8 89 4c 24 10 8b 48 04 8b 10 <89> 4a 04 89 11 c7 40 
04 00 02 20 00 c7 00 00 01 10 00 83 6e 1c 
 <6>note: loop1[4617] exited with preempt_count 1
Unable to handle kernel paging request at virtual address 7158c114
 printing eip:
c014015e
*pde = ma 00000000 pa 55555000
Oops: 0002 [#3]
PREEMPT 
Modules linked in:
CPU:    0
EIP:    0061:[<c014015e>]    Not tainted VLI
EFLAGS: 00010202   (2.6.12-xen0) 
EIP is at buffered_rmqueue+0x73/0x2bf
eax: c1206efa   ebx: c036e000   ecx: c031bdcc   edx: 7158c110
esi: c031bda0   edi: 00000001   ebp: c031bdbc   esp: c036fc98
ds: 007b   es: 007b   ss: 0069
Process swapper (pid: 0, threadinfo=c036e000 task=c0315d00)
Stack: c03c4c08 c03c3ef0 c033523c c03c3f00 c1206ee2 c031bda0 00000000 00000020 
       00000000 c01405c8 c031bda0 00000000 00000020 00000000 00000000 00000000 
       00000000 00000001 c0315d00 00000000 c031c10c 80000000 c036e000 00000020 
Call Trace:
 [<c01405c8>] __alloc_pages+0x176/0x3fe
 [<c0143718>] kmem_getpages+0x2f/0x90
 [<c02c9362>] fn_hash_lookup+0xc5/0xd9
 [<c014440f>] cache_grow+0xd3/0x1de
 [<c01446df>] cache_alloc_refill+0x1c5/0x201
 [<c0144953>] kmem_cache_alloc+0x94/0x98
 [<c028d29f>] dst_alloc+0x2d/0x90
 [<c029a0b0>] ip_route_input_slow+0x176/0x8d0
 [<c0293c56>] nf_iterate+0x58/0x84
 [<c029cbf5>] ip_rcv+0x3a4/0x4f4
 [<c029cd45>] ip_rcv_finish+0x0/0x26b
 [<c0289c98>] netif_receive_skb+0x1f3/0x235
 [<c0289da0>] process_backlog+0xc6/0x1a8
 [<c0289f9a>] net_rx_action+0x118/0x1b7
 [<c012100c>] __do_softirq+0x6c/0xf5
 [<c01210f9>] do_softirq+0x64/0x77
 [<c01211c5>] irq_exit+0x36/0x38
 [<c010dbd2>] do_IRQ+0x22/0x28
 [<c010639d>] evtchn_do_upcall+0x60/0x86
 [<c0109cac>] hypervisor_callback+0x2c/0x34
 [<c0107a00>] xen_idle+0x32/0x6b
 [<c0107a68>] cpu_idle+0x2f/0x44
 [<c037078a>] start_kernel+0x1a5/0x200
 [<c0370327>] unknown_bootoption+0x0/0x1bc
Code: 0f b6 78 01 c6 40 01 01 83 6b 14 01 8b 46 1c 3b 45 04 0f 8e e3 01 00 00 
85 c0 74 25 8b 45 10 8d 48 e8 89 4c 24 10 8b 48 04 8b 10 <89> 4a 04 89 11 c7 40 
04 00 02 20 00 c7 00 00 01 10 00 83 6e 1c 
 <0>Kernel panic - not syncing: Fatal exception in interrupt
 (XEN) Domain 0 shutdown: rebooting machine.
(XEN) Reboot disabled on cmdline: require manual reset



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