[Xen-bugs] [Bug 427] New: (XEN) CPU0 FATAL PAGE FAULT

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=427

           Summary: (XEN) CPU0 FATAL PAGE FAULT
           Product: Xen
           Version: unstable
          Platform: x86-64
        OS/Version: Linux
            Status: NEW
          Severity: major
          Priority: P2
         Component: Hypervisor
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: dbarrera@xxxxxxxxxx
                CC: hohnbaum@xxxxxxxxxx,pl@xxxxxxxxxx


Machine rebooted while running xm-test. 
IBM HS20 Blade (EMT64) running 32-bit OS, RHEL 4. 

changeset:   8090:243265ade404
tag:         tip
parent:      8089:7638cf95b63c
parent:      8086:82e48750542c
user:        emellor@xxxxxxxxxxxxxxxxxxxxxx
date:        Mon Nov 28 11:22:02 2005 +0000
summary:     Merged.

Python 2.3.4 (#1, Feb  2 2005, 11:44:49)
[GCC 3.4.3 20041212 (Red Hat 3.4.3-9.EL4)] on linux2

Serial console output:

(XEN) microcode: CPU1 not 'upgrading' to earlier revision 0x9 (current=0x12)
(XEN) microcode: CPU2 not 'upgrading' to earlier revision 0x9 (current=0x12)
(XEN) microcode: CPU3 not 'upgrading' to earlier revision 0x9 (current=0x12)
(XEN) microcode: No suitable data for CPU3
(XEN) microcode: No suitable data for CPU1
(XEN) microcode: No suitable data for CPU2
(XEN) microcode: No suitable data for CPU0
(XEN) Audit 194: [l1mfn=2137ab, i=0] Illegal RW t=00000000 mfn=1322c
(XEN) CPU:    0
(XEN) EIP:    e008:[<ff11ab30>] adjust_l1_page.3+0x150/0x210
(XEN) EFLAGS: 00010203   CONTEXT: hypervisor
(XEN) eax: 00000001   ebx: 002137ab   ecx: 00001735   edx: ff103d3c
(XEN) esi: 0001322c   edi: 00000000   ebp: f69cb420   esp: ff103c84
(XEN) cr0: 8005003b   cr3: 013d6000
(XEN) ds: e010   es: e010   fs: 0000   gs: 0000   ss: e010   cs: e008
(XEN) Xen stack trace from esp=ff103c84:
(XEN)    ff1616e0 000000c2 002137ab 00000000 00000000 0001322c 0001322c 00000000
                                                                               
(XEN)    00000000 00000000 00000000 fecd2000 ff103d3c 002137ab ff103d3c 002137ab
                                                                               
(XEN)    f99d3808 00000001 00000000 ff11af96 00000000 00000000 00000000 00000000
                                                                               
(XEN)    00000000 00000000 00000000 00000000 0000001e 0000001a 00000019 00000286
                                                                               
(XEN)    00000000 00000297 00000009 00000286 00000000 00000000 00000000 00000000
                                                                               
(XEN)    002137ab ff103d54 00000000 00000000 00000000 00000001 00000000 ff3de500
                                                                               
(XEN)    00000009 ff3d9980 ffffffff ff14dd31 ff3de500 ffffffff 00000001 ff10af38
                                                                               
(XEN)    ff3de500 00000000 00000000 00000001 ff3de500 00000002 ff103f0c ff14e18d
                                                                               
(XEN)    ff3de500 00000009 00000000 00000000 00000000 00000000 00000000 ff3de500
                                                                               
(XEN)    fffffffd 00000000 ff103f04
ff11bc85 ff3de500 ff103f0c 00000000 
0000000&#130;&#130;&#130;&#130;&#130;&#130;&#130;&#130;&#130;&#130;&#130;&#130;&#130;2&#153;&#137;&#153;&#153;&#153;&#145;?00000000
(XEN)    00000000 00000000 00000000 00000000 00007ff2 ffbf1080 00000001 d75ff025
                                                                               
(XEN)    d75ff025 00000000 00000001 ff12601f fecc9000 00000000 00000010 00000000
                                                                               
(XEN)    00000000 00000000 00000000 00000000 00000000 e0000000 00000000 00000000
                                                                               
(XEN)    00000000 00000000 00000000 00000000 80000000 00000c14 f68121e0 ff12320c
                                                                               
(XEN) Xen call trace:
(XEN)    [<ff11ab30>] adjust_l1_page.3+0x150/0x210
(XEN)    [<ff103d3c>] cpu0_stack+0x1d3c/0x2000
(XEN)    [<pu0_stack+0x1f04/0x2000
(XEN)    [<ff124857>] mod_l1_entry+0x1a7/0x2c0
(XEN)    [<ff1238dc>] get_page_type+0xac/0x330
(XEN)    [<ff12601f>] do_mmu_update+0x34f/0x1640
(XEN)    [<ff12320c>] put_page_from_l1e+0xbc/0x1c0
(XEN)    [<ff13da03>] hypercall+0x53/0x57
(XEN)
(XEN) Pagetable walk from 00000001:
(XEN)  L3 = 00000002172fd001 000290fd
(XEN)   L2 = 0000000000000000 55555555
(XEN)
(XEN) ****************************************
(XEN) Panic on CPU 0:
(XEN) CPU0 FATAL PAGE FAULT

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