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

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


daniel.zavodsky@xxxxxx changed:

           What    |Removed                     |Added
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                 CC|                            |daniel.zavodsky@xxxxxx




------- Comment #3 from daniel.zavodsky@xxxxxx  2007-11-15 04:46 -------
I am having probably the same problem, it happens whenever there is an increase
in SSH traffic, for example SCP or X11 redirection. The hypervisor and Dom-0
are 64-bit and the Dom-U is 32-bit. The Xen version is 3.1.0-53.el5, Dom-0
kernel 2.6.18-53.el5xen and Dom-U kernel 2.6.9-55.0.12.ELxenU


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kernel BUG at arch/i386/mm/hypervisor.c:196!
invalid operand: 0000 [#1]
SMP
Modules linked in: md5 ipv6 autofs4 sunrpc iptable_filter ip_tables xennet
dm_snapshot dm_zero dm_mirror ext3 jbd dm_mod xenblk sd_mod scsi_mod
CPU:    0
EIP:    0061:[<c0114c6e>]    Not tainted VLI
EFLAGS: 00010082   (2.6.9-55.0.12.ELxenU)
EIP is at xen_pgd_pin+0x46/0x54
eax: ffffffea   ebx: ea5bef20   ecx: 00000001   edx: 00000000
esi: 00007ff0   edi: ea5bef90   ebp: ea5befbc   esp: ea5bef20
ds: 007b   es: 007b   ss: 0068
Process tnslsnr (pid: 3772, threadinfo=ea5be000 task=eac8d9b0)
Stack: 00000002 000a3df8 e8b3d018 28b3d000 005167a0 eac93a80 c011246b 28b3d000
       e8b3d000 00000061 80000000 eac93ac4 c01124ff e8b3d000 eac93a80 00000000
       c026894c eac93a80 eacbd340 c0137aba eaa86070 c3046220 0008c3de 15e7301c
Call Trace:
 [<c011246b>] __pgd_pin+0x2d/0x41
 [<c01124ff>] mm_pin+0x21/0x2e
 [<c026894c>] schedule+0x3a0/0x539
 [<c0137aba>] audit_syscall_exit+0x57/0x40a
 [<c010c496>] do_syscall_trace+0x32/0xd4
 [<c01073f6>] work_resched+0x5/0x25
Code: 00 75 0d a1 a0 90 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 d6 c6 fe ff 85 c0 79 08 <0f> 0b c4 00 5c 36 27
c0 83 c4 10 5b 5e c3 56 53 83 ec 10 8b 54
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xm dmesg is full of this:

(XEN) mm.c:636:d16 Error getting mfn 27650 (pfn 3c3650) from L1 entry
0000000027
650063 for dom16
(XEN) printk: 733 messages suppressed.


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