[Xen-bugs] [Bug 990] New: Dom0 lockup.

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=990

           Summary: Dom0 lockup.
           Product: Xen
           Version: 3.0.3
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Severity: critical
          Priority: P1
         Component: HVM
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: stephen.thompson@xxxxxxxxxxxxxx


I have encountered a hard lockup (requiring a complete restart). The computer
is a compaq DL760 with 8 p3 xeon processors and 4Gb ram.

The failure message follows:

borg kernel: ------------[ cut here ]------------

Message from syslogd@borg at Sat Jun  2 16:53:11 2007 ...
borg kernel: kernel BUG at drivers/xen/core/evtchn.c:481!

Message from syslogd@borg at Sat Jun  2 16:53:11 2007 ...
borg kernel: invalid opcode: 0000 [#1]

Message from syslogd@borg at Sat Jun  2 16:53:11 2007 ...
borg kernel: SMP

Message from syslogd@borg at Sat Jun  2 16:53:11 2007 ...
borg kernel: CPU:    5

Message from syslogd@borg at Sat Jun  2 16:53:11 2007 ...
borg kernel: EIP is at retrigger+0x1f/0x35

Message from syslogd@borg at Sat Jun  2 16:53:11 2007 ...
borg kernel: eax: 00000000   ebx: 02080000   ecx: 0000003e   edx: f55f6000

Message from syslogd@borg at Sat Jun  2 16:53:11 2007 ...
borg kernel: esi: c0318c60   edi: 0000012a   ebp: 00000000   esp: c039feb0

Message from syslogd@borg at Sat Jun  2 16:53:11 2007 ...
borg kernel: ds: 007b   es: 007b   ss: 0069

Message from syslogd@borg at Sat Jun  2 16:53:11 2007 ...
borg kernel: Process xenwatch (pid: 29, ti=c039e000 task=c0eb6000
task.ti=c039e0
00)

Message from syslogd@borg at Sat Jun  2 16:53:11 2007 ...
borg kernel: Stack: c013b259 c0318c60 0000012a c0318c88 c013afaf e7039ec0
000000                                                                         
                        00 00000000

Message from syslogd@borg at Sat Jun  2 16:53:11 2007 ...
borg kernel:        e7039ec0 c02170f0 00000000 c02174d0 c021065f 00000010
000000                                                                         
                        00 0000020c

Message from syslogd@borg at Sat Jun  2 16:53:11 2007 ...
borg kernel:        0000020b 00000000 00000000 c0a88e95 c02e67a4 ee396000
000000                                                                         
                        00 00000002

Message from syslogd@borg at Sat Jun  2 16:53:11 2007 ...
borg kernel: Call Trace:

Message from syslogd@borg at Sat Jun  2 16:53:11 2007 ...
borg kernel: Code: ee 85 f6 75 96 58 5a 5b 5e 5f 5d c3 0f b7 0c 85 40 b8 37 c0
8                                                                              
                   b 15 84 19 2d c0 85 c9 74 1d 0f a3 8a 80 08 00 00 19 c0 85
c0 75 08 <0f> 0b e1 0                                                          
                                       1 b2 1a 2b c0 f0 0f ab 8a 00 08 00 00 b8
01 00 00 00

Message from syslogd@borg at Sat Jun  2 16:53:11 2007 ...
borg kernel: EIP: [<c020c14a>] retrigger+0x1f/0x35 SS:ESP 0069:c039feb0


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