[Xen-bugs] [Bug 756] New: kernel BUG at arch/i386/mm/hypervisor.c:196!

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=756

           Summary: kernel BUG at arch/i386/mm/hypervisor.c:196!
           Product: Xen
           Version: 3.0.2
          Platform: x86
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Hypervisor
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: matis@xxxxxxxx


i am running xen-3.0.2-2 and all domains are running OK, expect one:
and this bug occures few times a week. i have to 'xm shutdown' it and then 'xm
create' it

please help

------------[ cut here ]------------
kernel BUG at arch/i386/mm/hypervisor.c:196!
invalid opcode: 0000 [#2]
SMP
Modules linked in: loop nfs lockd sunrpc
CPU:    0
EIP:    0061:[<c01129ab>]    Not tainted VLI
EFLAGS: 00010082   (2.6.16-xen #1)
EIP is at xen_pgd_pin+0x4b/0x70
eax: ffffffea   ebx: c61c5f08   ecx: 00000001   edx: 00000000
esi: 00007ff0   edi: e0c4da70   ebp: c61c5fb4   esp: c61c5f08
ds: 007b   es: 007b   ss: 0069
Process mrtg (pid: 27128, threadinfo=c61c4000 task=ce759550)
Stack: <0>00000001 00012be1 1310c000 00000000 0001310c 00000000 c0110410
1310c00                                                                        
                   0
       00000061 ded73ac0 c01104df d310c000 ded73ac0 c02b099a ded73ac0 c010500e
       00000000 e0c4da70 c61c5f88 ded73580 00000000 c0119ece 00000011 bfab8fb0
Call Trace:
 [<c0110410>] __pgd_pin+0x30/0x50
 [<c01104df>] mm_pin+0x2f/0x40
 [<c02b099a>] schedule+0x55a/0x730
 [<c010500e>] work_resched+0x5/0x25
 [<c0119ece>] do_fork+0x13e/0x1a0
 [<c0103a27>] sys_fork+0x37/0x40
 [<c010500e>] work_resched+0x5/0x25
Code: 74 33 89 d0 89 44 24 04 89 e3 b9 01 00 00 00 31 d2 be f0 7f 00 00 e8 a5
e9                                                                             
               fe ff 85 c0 78 0c 8b 5c 24 10 8b 74 24 14 83 c4 18 c3 <0f> 0b c4
00 ff 20 2d c0                                                                 
                           eb ea a1 e4 6a 36 c0 8b 04 90 25 ff ff


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