Pkg xen devel - May 2007 - Bug#422819: kernel BUG at drivers/xen/core/evtchn.c

Package: xen-hypervisor-3.0.3-1-i386-pae
Version: 3.0.3-0-2

Hi!

the error suddenly appeared when rebooting one of the etch instances 
using xm reboot <name> on our etch server

DEVIDE:~# DEVIDE kernel: ------------[ cut here ]------------
DEVIDE kernel: CPU:    3
DEVIDE:~# Message from syslogd@DEVIDE at Tue May  8 11:45:27 2007 ...
Message from syslogd@DEVIDE at Tue May  8 11:45:27 2007 ...
DEVIDE:~# DEVIDE kernel: kernel BUG at drivers/xen/core/evtchn.c:481!
DEVIDE:~# Message from syslogd@DEVIDE at Tue May  8 11:45:27 2007 ...
DEVIDE:~# DEVIDE kernel: invalid opcode: 0000 [#1]
DEVIDE:~# Message from syslogd@DEVIDE at Tue May  8 11:45:27 2007 ...
DEVIDE:~# DEVIDE kernel: SMP
DEVIDE:~# Message from syslogd@DEVIDE at Tue May  8 11:45:27 2007 ...
DEVIDE:~# DEVIDE kernel: CPU:    3
DEVIDE:~# Message from syslogd@DEVIDE at Tue May  8 11:45:27 2007 ...
DEVIDE kernel: eax: 00000000   ebx: 02080000   ecx: 0000003f   edx: f55f6000
DEVIDE:~# DEVIDE kernel: EIP is at retrigger+0x1f/0x35
DEVIDE:~# Message from syslogd@DEVIDE at Tue May  8 11:45:27 2007 ...
DEVIDE:~# DEVIDE kernel: eax: 00000000   ebx: 02080000   ecx: 0000003f   
edx: f55f6000
DEVIDE:~# Message from syslogd@DEVIDE at Tue May  8 11:45:27 2007 ...
DEVIDE:~# DEVIDE kernel: esi: c0318a60   edi: 00000122   ebp: 00000000   
esp: c039feb0
DEVIDE:~# Message from syslogd@DEVIDE at Tue May  8 11:45:27 2007 ...
DEVIDE:~# DEVIDE kernel: ds: 007b   es: 007b   ss: 0069
DEVIDE:~# Message from syslogd@DEVIDE at Tue May  8 11:45:27 2007 ...
DEVIDE:~# DEVIDE kernel: Process xenwatch (pid: 17, ti=c039e000 
task=c0d8d550 task.ti=c039e000)
DEVIDE:~# Message from syslogd@DEVIDE at Tue May  8 11:45:27 2007 ...
DEVIDE:~# DEVIDE kernel: Stack: c013b259 c0318a60 00000122 c0318a88 
c013afaf d8192ec0 00000000 00000000
DEVIDE:~# Message from syslogd@DEVIDE at Tue May  8 11:45:27 2007 ...
DEVIDE:~# DEVIDE kernel:        d8192ec0 c02170f0 00000000 c02174d0 
c021065f 00000010 00000000 0000020b
DEVIDE:~# Message from syslogd@DEVIDE at Tue May  8 11:45:27 2007 ...
DEVIDE:~# DEVIDE kernel:        0000020a 00000000 00000000 c8af5235 
c02e67a4 ee48c000 00000000 00000002
DEVIDE:~# Message from syslogd@DEVIDE at Tue May  8 11:45:27 2007 ...
DEVIDE:~# DEVIDE kernel: Call Trace:
DEVIDE:~# Message from syslogd@DEVIDE at Tue May  8 11:45:27 2007 ...
DEVIDE:~# DEVIDE kernel: Code: ee 85 f6 75 96 58 5a 5b 5e 5f 5d c3 0f b7 
0c 85 40 b8 37 c0 8b 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 01 b2 1a 2b c0 f0 0f ab 8a 00 08 00 00 b8 01 
00 00 00
DEVIDE:~# Message from syslogd@DEVIDE at Tue May  8 11:45:27 2007 ...
DEVIDE:~# DEVIDE kernel: EIP: [<c020c14a>] retrigger+0x1f/0x35 SS:ESP 
0069:c039feb0