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

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

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





------- Comment #4 from white.gavin@xxxxxxxxx  2008-02-25 01:38 -------
Same thing here. 

host: RHEL5.1 64 bit (2.6.18-53.1.6.el5xen)
  xen-libs-3.0.3-41.el5
  xen-3.0.3-41.el5
  kernel-xen-2.6.18-53.1.4.el5
  xen-libs-3.0.3-41.el5
  kernel-xen-devel-2.6.18-53.1.6.el5
  kernel-xen-2.6.18-53.1.6.el5

guest: RHEL4.6 32 bit (2.6.9-67.0.1.ELxenU)
  kernel-xenU-2.6.9-55.EL
  kernel-xenU-2.6.9-55.0.9.EL
  kernel-xenU-2.6.9-67.0.1.EL
  kernel-xenU-devel-2.6.9-67.0.1.EL


------------[ cut here ]------------
kernel BUG at arch/i386/mm/hypervisor.c:196!
invalid operand: 0000 [#1]
SMP
Modules linked in: md5 ipv6 autofs4 iptable_filter ip_tables xennet dm_snapshot
                                                                               
                                      dm_zero dm_mirror ext3 jbd dm_mod xenblk
sd_mod scsi_mod
CPU:    0
EIP:    0061:[<c011548e>]    Not tainted VLI
EFLAGS: 00010082   (2.6.9-67.0.1.ELxenU)
EIP is at xen_pgd_pin+0x46/0x54
eax: ffffffea   ebx: eb8a9f20   ecx: 00000001   edx: 00000000
esi: 00007ff0   edi: eb8a9f90   ebp: eb8a9fbc   esp: eb8a9f20
ds: 007b   es: 007b   ss: 0068
Process bash (pid: 1620, threadinfo=eb8a9000 task=ec3bce90)
Stack: 00000002 002fe60d eb004018 2b004000 00560080 ed78ea80 c0112ca2 2b004000
       eb004000 00000061 80000000 ed78eac4 c0112d36 eb004000 ed78ea80 00000000
       c0269f76 ed78ea80 ebcd9840 0000723a ec978880 c1bde320 00006638 d6e91dcb
Call Trace:
 [<c0112ca2>] __pgd_pin+0x2d/0x41
 [<c0112d36>] mm_pin+0x21/0x2e
 [<c0269f76>] schedule+0x3a2/0x544
 [<c0105cff>] sys_clone+0x24/0x28
 [<c01073c6>] work_resched+0x5/0x25
Code: 00 75 0d a1 a0 e0 35 c0 8b 04 90 25 ff ff ff 7f 89 44 24 04 89 e3 b9 01
00                                                                             
                                         00 00 31 d2 be f0 7f 00 00 e8 b6 be fe
ff 85 c0 79 08 <0f> 0b c4 00 a4 4e 27 c0                                       
                                                                              
83 c4 10 5b 5e c3 56 53 83 ec 10 8b 54
 <0>Fatal exception: panic in 5 seconds


xm dmesg contained the following relevant entries:


....lots of 'cannot set foreign dom'.............
(XEN) mm.c:1904:d27 Dom 27 cannot set foreign dom
(XEN) mm.c:1904:d25 Dom 25 cannot set foreign dom
(XEN) mm.c:1904:d28 Dom 28 cannot set foreign dom
(XEN) mm.c:1904:d25 Dom 25 cannot set foreign dom
(XEN) mm.c:1904:d1 Dom 1 cannot set foreign dom
(XEN) mm.c:1752:d25 Bad type (saw 00000000e8000001 != exp 0000000040000000) for
mfn 34b3af (pfn 216b54)
(XEN) mm.c:1143:d25 Failure in alloc_l3_table: entry 2
(XEN) mm.c:1773:d25 Error while validating mfn 2fe60d (pfn 2b004) for type
0000000060000000: caf=80000003 taf=0000000060000001
(XEN) mm.c:2042:d25 Error while pinning mfn 2fe60d
(XEN) mm.c:1904:d24 Dom 24 cannot set foreign dom
(XEN) mm.c:1904:d10 Dom 10 cannot set foreign dom
(XEN) mm.c:1904:d6 Dom 6 cannot set foreign dom
(XEN) mm.c:1904:d28 Dom 28 cannot set foreign dom
(XEN) mm.c:1904:d27 Dom 27 cannot set foreign dom
(XEN) mm.c:1904:d27 Dom 27 cannot set foreign dom
....lots of 'cannot set foreign dom'.............


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