[Xen-users] kernel BUG at drivers/xen/core/evtchn.c:765

[Fabian Holler <fho@xxxxxxxxxxx>]

Howdy,

I'm running Debian Sarge/Etch + linux-image-2.6.18-3-xen-686 2.6.18-7 +
xen-ioemu-3.0.3-1 3.0.3-0-2.

I have an Debian pvm guest machine, using the Host kernel+initrd, also I
compiled the misdn kernel modules in the guest System...
The VM runs ~a week without problems..
This morning i openend an console from the VM and get the following error:

"------------[ cut here ]------------
kernel BUG at drivers/xen/core/evtchn.c:765!
invalid opcode: 0000 [#1]
SMP
Modules linked in: capi mISDN_dsp avmfritz mISDN_capi l3udss1 mISDN_l2
mISDN_l1 ipv6 uhci_hcd ohci_hcd ehci_hcd usbcore capifs kernelcapi
mISDN_isac mISDN_core 8250 serial_core ext3 jbd mbcache dm_mirror
dm_snapshot processor dm_mod
CPU:    0
EIP:    0061:[<c0206862>]    Not tainted VLI
EFLAGS: 00010006   (2.6.18-3-xen-686 #1)
EIP is at irq_resume+0x30/0x28e
eax: 00000012   ebx: 00000000   ecx: 00000000   edx: 00000400
esi: 00000042   edi: 00000000   ebp: 00042000   esp: ce253ef8
ds: 007b   es: 007b   ss: 0069
Process suspend (pid: 5073, ti=ce252000 task=c0f46550 task.ti=ce252000)
Stack: c0f46550 c0129ec1 ce253f00 ce253f00 00000000 00000002 ce253f48
c02070ac
       c1084d40 c0fea00c d1003000 c105bd10 c0146e64 ce253f80 c02c94a0
d1004000
       d1004000 c10527c0 c1065000 00000002 00000042 00000000 00042000
c0206e2d
Call Trace:
 [<c0129ec1>] autoremove_wake_function+0x0/0x2d
 [<c02070ac>] map_pte_fn+0x22/0x40
 [<c0146e64>] apply_to_page_range+0x272/0x2c4
 [<c0206e2d>] gnttab_resume+0x96/0xad
 [<c020708a>] map_pte_fn+0x0/0x40
 [<c0117ff0>] copy_process+0x837/0x10ae
 [<c0207e6b>] __do_suspend+0x286/0x3c7
 [<c011323f>] complete+0x2b/0x3d
 [<c0207be5>] __do_suspend+0x0/0x3c7
 [<c0129df3>] kthread+0xc2/0xef
 [<c0129d31>] kthread+0x0/0xef
 [<c0102941>] kernel_thread_helper+0x5/0xb
Code: c4 80 e8 ae f5 ff ff 31 d2 a1 84 a9 2c c0 f0 0f ab 90 80 08 00 00
42 81 fa 00 04 00 00 75 ea 31 c0 83 3c 85 80 14 37 c0 00 74 08 <0f> 0b
fd 02 05 b8 2a c0 40 3d 00 01 00 00 75 e6 b8 80 4e 37 c0
EIP: [<c0206862>] irq_resume+0x30/0x28e SS:ESP 0069:ce253ef8

Message from syslogd@rudi2 at Fri Jan 19 08:17:48 2007 ...
rudi2 kernel: ------------[ cut here ]------------

Message from syslogd@rudi2 at Fri Jan 19 08:17:48 2007 ...
rudi2 kernel: kernel BUG at drivers/xen/core/evtchn.c:765!

Message from syslogd@rudi2 at Fri Jan 19 08:17:48 2007 ...
rudi2 kernel: invalid opcode: 0000 [#1]

Message from syslogd@rudi2 at Fri Jan 19 08:17:48 2007 ...
rudi2 kernel: SMP

Message from syslogd@rudi2 at Fri Jan 19 08:17:48 2007 ...
rudi2 kernel: CPU:    0

Message from syslogd@rudi2 at Fri Jan 19 08:17:48 2007 ...
rudi2 kernel: EIP is at irq_resume+0x30/0x28e

Message from syslogd@rudi2 at Fri Jan 19 08:17:48 2007 ...
rudi2 kernel: eax: 00000012   ebx: 00000000   ecx: 00000000   edx: 00000400

Message from syslogd@rudi2 at Fri Jan 19 08:17:48 2007 ...
rudi2 kernel: esi: 00000042   edi: 00000000   ebp: 00042000   esp: ce253ef8

Message from syslogd@rudi2 at Fri Jan 19 08:17:48 2007 ...
rudi2 kernel: ds: 007b   es: 007b   ss: 0069

Message from syslogd@rudi2 at Fri Jan 19 08:17:48 2007 ...
rudi2 kernel: Process suspend (pid: 5073, ti=ce252000 task=c0f46550
task.ti=ce252000)

Message from syslogd@rudi2 at Fri Jan 19 08:17:48 2007 ...
rudi2 kernel: Stack: c0f46550 c0129ec1 ce253f00 ce253f00 00000000
00000002 ce253f48 c02070ac

Message from syslogd@rudi2 at Fri Jan 19 08:17:48 2007 ...
rudi2 kernel:        c1084d40 c0fea00c d1003000 c105bd10 c0146e64
ce253f80 c02c94a0 d1004000

Message from syslogd@rudi2 at Fri Jan 19 08:17:48 2007 ...
rudi2 kernel:        d1004000 c10527c0 c1065000 00000002 00000042
00000000 00042000 c0206e2d

Message from syslogd@rudi2 at Fri Jan 19 08:17:48 2007 ...
rudi2 kernel: Call Trace:

Message from syslogd@rudi2 at Fri Jan 19 08:17:48 2007 ...
rudi2 kernel: Code: c4 80 e8 ae f5 ff ff 31 d2 a1 84 a9 2c c0 f0 0f ab
90 80 08 00 00 42 81 fa 00 04 00 00 75 ea 31 c0 83 3c 85 80 14 37 c0 00
74 08 <0f> 0b fd 02 05 b8 2a c0 40 3d 00 01 00 00 75 e6 b8 80 4e 37 c0

Message from syslogd@rudi2 at Fri Jan 19 08:17:48 2007 ...
rudi2 kernel: EIP: [<c0206862>] irq_resume+0x30/0x28e SS:ESP 0069:ce253ef8"

Did anybody have an idea what can be wrong? How can I fix this?

thanks

greetings

Fabian


-- 
#---------------------------#-------------------------#
# Fabian Holler             #  Inmedias.it GmbH       #
#---------------------------#-------------------------#
# Tel.: +49 40-41436-406    #  Lippmannstraße 71      #
# Fax.: +49 40-41436-306    #  22769 Hamburg          #
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