http://bugzilla.xensource.com/cgi-bin/bugzilla/show_bug.cgi?id=12

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-...@lists.xensource.com ReportedBy: pl...@us.ibm.com

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] PREEMPT 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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