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[Xen-bugs] [Bug 12] New: BUG with blogd in dom0


           Summary: BUG with blogd in dom0
           Product: Xen
           Version: unstable
          Platform: x86
        OS/Version: Linux-2.6
            Status: NEW
          Severity: major
          Priority: P2
         Component: Guest-OS
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: pl@xxxxxxxxxx

I hit this with last night's unstable build, after a clean boot and logging in
over ssh.  The box is a P4-3.0GHz blade system and has been successfully used
for Xen testing for a while now.  

------------[ cut here ]------------
kernel BUG at <bad filename>:44777!
invalid operand: 0000 [#1]
Modules linked in: sworks_agp agpgart
CPU:    0
EIP:    0061:[<c014d1e9>]    Not tainted VLI
EFLAGS: 00010296   (2.6.11-xen0)
EIP is at handle_mm_fault+0x259/0x270
eax: 0000003a   ebx: 08063752   ecx: c0464a6c   edx: fbffc000
esi: cc8331c2   edi: 1c8a2067   ebp: 08063752   esp: cc905e48
ds: 0069   es: 0069   ss: 0069
Process blogd (pid: 1697, threadinfo=cc904000 task=cc8730a0)
Stack: c04121f0 08063752 1c8a2067 cc8331c2 cc905e74 c0116841 cc873590 cc833080
       cc8330ac 00000002 cc8557ac c0114dbd cc833080 cc8557ac 08063752 00000001
       00000001 cc8730a0 08063752 cc905f4c cc905f4c c0412da5 00000002 0000000e
Call Trace:
 [<c0116841>] recalc_task_prio+0xe1/0x150
 [<c0114dbd>] do_page_fault+0x1dd/0x679
 [<c03f54b2>] schedule+0x372/0x5d0
 [<c0124c4f>] __mod_timer+0xef/0x200
 [<c03f6477>] schedule_timeout+0x67/0xb0
 [<c017218b>] do_pollfd+0x5b/0xa0
 [<c010a10b>] page_fault+0x3b/0x40
 [<c0172447>] sys_poll+0x197/0x250
 [<c01716f0>] __pollwait+0x0/0xd0
 [<c0109d48>] syscall_call+0x7/0xb
Code: 0f 84 da fe ff ff 89 2c 24 e8 24 89 fc ff e9 cd fe ff ff 89 74 24 0c 89 7c
24 08 89 6c 24 04 c7 04 24 f0 21 41 c0 e8 c7 e5 fc ff <0f> 0b e9 ae fe ff ff e8
1b 85 2a 00 eb 8a 89 f6 8d bc 27 00 00
 <6>note: blogd[1697] exited with preempt_count 1
mtrr: reg: 1 has count=0

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