http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=337
Summary: domu oops
Product: Xen
Version: unstable
Platform: All
OS/Version: Linux
Status: NEW
Severity: major
Priority: P2
Component: Hypervisor
AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
ReportedBy: tedkaz@xxxxxxxxxxxxx
Dom0 - Tyan 2462 SMP - FC4
domu - gentoo 2005, jailtime.org
Using logical volumes for everything but /boot.
changeset: 7396:9b51e7637676
Intermittent, had to issue xm create 10 times to get domU to come up, and only
saw this 2 out of the 10 times.
Unable to handle kernel NULL pointer dereference at virtual address 00000104
printing eip:
c0253f38
*pde = ma 00000000 pa 55555000
Oops: 0002 [#1]
SMP
Modules linked in:
CPU: 0
EIP: 0061:[<c0253f38>] Not tainted VLI
EFLAGS: 00010286 (2.6.12-xenU)
EIP is at blk_start_queue+0x8/0x60
eax: 00000000 ebx: 00000000 ecx: 00000000 edx: fbffc000
esi: c1300004 edi: c12d6d83 ebp: c11bbf9c esp: c11bbf28
ds: 007b es: 007b ss: 0069
Process xenwatch (pid: 10, threadinfo=c11ba000 task=c1191580)
Stack: c02642b2 c1300000 c02664de 00000000 c1300000 c0266fec c1300000 00000000
00000802 00000000 00000200 c1300000 c030efb1 c11bbf78 c031c1c5 c030d9dc
c11bbf70 00000000 00000200 00080000 00000000 c0266f00 c12d6ba0 c11ba000
Call Trace:
[<c02642b2>] xenbus_dev_ok+0x32/0x60
[<c02664de>] kick_pending_request_queues+0x1e/0x40
[<c0266fec>] watch_for_status+0xec/0x140
[<c0266f00>] watch_for_status+0x0/0x140
[<c02648c7>] xenwatch_thread+0x87/0x140
[<c0135f90>] autoremove_wake_function+0x0/0x60
[<c0264840>] xenwatch_thread+0x0/0x140
[<c0135a77>] kthread+0xc7/0xd0
[<c01359b0>] kthread+0x0/0xd0
[<c010758d>] kernel_thread_helper+0x5/0x18
Code: 00 00 00 8b 44 24 04 8b 48 60 ff e1 8d b4 26 00 00 00 00 81 44 24 04 a0 00
00 00 e9 e3 26 00 00 8d 76 00 53 83 ec 04 8b 5c 24 0c <f0> 0f ba b3 04 01 00 00
02 f0 0f ba ab 04 01 00 00 06 19 c0 85
<6>IP: routing cache hash table of 1024 buckets, 8Kbytes
c0264280 <xenbus_dev_ok>:
c0264280: 53 push %ebx
c0264281: 83 ec 0c sub $0xc,%esp
c0264284: 8b 5c 24 14 mov 0x14(%esp),%ebx
c0264288: 8b 93 a4 00 00 00 mov 0xa4(%ebx),%edx
c026428e: 85 d2 test %edx,%edx
c0264290: 75 05 jne c0264297 <xenbus_dev_ok+0x17>
c0264292: 83 c4 0c add $0xc,%esp
c0264295: 5b pop %ebx
c0264296: c3 ret
c0264297: c7 44 24 08 4d 74 30 movl $0xc030744d,0x8(%esp)
c026429e: c0
c026429f: 8b 43 04 mov 0x4(%ebx),%eax
c02642a2: c7 04 24 00 00 00 00 movl $0x0,(%esp)
c02642a9: 89 44 24 04 mov %eax,0x4(%esp)
c02642ad: e8 0e fc ff ff call c0263ec0 <xenbus_rm>
c02642b2: 85 c0 test %eax,%eax
c02642b4: 75 0f jne c02642c5 <xenbus_dev_ok+0x45>
c02642b6: c7 83 a4 00 00 00 00 movl $0x0,0xa4(%ebx)
c02642bd: 00 00 00
c02642c0: 83 c4 0c add $0xc,%esp
c02642c3: 5b pop %ebx
c02642c4: c3 ret
c02642c5: 8b 43 04 mov 0x4(%ebx),%eax
c02642c8: c7 04 24 1c e3 31 c0 movl $0xc031e31c,(%esp)
c02642cf: 89 44 24 04 mov %eax,0x4(%esp)
c02642d3: e8 98 a9 eb ff call c011ec70 <printk>
c02642d8: 83 c4 0c add $0xc,%esp
c02642db: 5b pop %ebx
c02642dc: c3 ret
c02642dd: 8d 76 00 lea 0x0(%esi),%esi
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