[Xen-bugs] [Bug 560] New: [Xen-HVM] 32bit dom0 crash during xm-test

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=560

           Summary: [Xen-HVM] 32bit dom0 crash during xm-test
           Product: Xen
           Version: unstable
          Platform: x86
        OS/Version: Linux-2.6
            Status: NEW
          Severity: blocker
          Priority: P1
         Component: Hypervisor
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: ricardoz@xxxxxxxxxx
                CC: dsteklof@xxxxxxxxxx,khoa@xxxxxxxxxx,niv@xxxxxxxxxx,pl@us
                    .ibm.com


HW:
x460

OS:
Sles9 sp2 32bit

Test Tool:
xm-test

Description:

32bit dom0 will crash during xm-test run. Sometimes it will crash within 1
minute, and sometimes later. This problem is easy to reproduce on my system.

Here is the serial console output:

(XEN) HVM_PIT: guest freq in cycles=3002231
(XEN) ----[ Xen-3.0.0    Not tainted ]----
(XEN) CPU:    15
(XEN) EIP:    e008:[<ff13c5a8>] hlt_timer_fn+0x28/0xd0
(XEN) EFLAGS: 00010286   CONTEXT: hypervisor
(XEN) eax: ffd7f000   ebx: ffba1080   ecx: ffbb2000   edx: ffd7f000
(XEN) esi: 00000000   edi: ffba1080   ebp: 00000780   esp: ff1eff28
(XEN) cr0: 8005003b   cr3: 00182000
(XEN) ds: e010   es: e010   fs: e010   gs: e010   ss: e010   cs: e008
(XEN) Xen stack trace from esp=ff1eff28:
(XEN)    ff13c3d0 ffbdaa00 ff13c580 ff1121e8 ffba1080 00000403 ff13d447 00000001
(XEN)    2f2075a1 00000404 ffba1080 ff189790 00000780 00000003 00000003 ff12cfa0
(XEN)    f3944e77 00000403 00000000 ffbdaa00 ffba1d0c 0000000f 00000780 00000780
(XEN)    0000000f ff1f0080 ffba1080 ff111772 00ef0000 ff11e2c9 00000780 ff11e2e5
(XEN)    c0443120 00000780 ff1effb4 c0413000 c109e000 c010101a 0009fb00 c0443120
(XEN)    004b8007 00000000 bfd40004 c025deb2 00ef0060 00000000 c1103e70 00000202
(XEN)    0000007b 0000007b 00000000 00000000 0000000f ff1f0080
(XEN) Xen call trace:
(XEN)    [<ff13c5a8>] hlt_timer_fn+0x28/0xd0
(XEN)    [<ff13c3d0>] pit_timer_fn+0x0/0xf0
(XEN)    [<ff13c580>] hlt_timer_fn+0x0/0xd0
(XEN)    [<ff1121e8>] timer_softirq_action+0x228/0x390
(XEN)    [<ff13d447>] hvm_safe_block+0x47/0xd0
(XEN)    [<ff12cfa0>] smp_invalidate_interrupt+0x10/0x50
(XEN)    [<ff111772>] do_softirq+0x32/0x50
(XEN)    [<ff11e2c9>] idle_loop+0x89/0xb0
(XEN)    [<ff11e2e5>] idle_loop+0xa5/0xb0
(XEN)
(XEN) Pagetable walk from ffd7f034:
(XEN)   L2 = 001ce063 55555555
(XEN)    L1 = 00000000 55555555
(XEN)
(XEN) ****************************************
(XEN) Panic on CPU 15:
(XEN) CPU15 FATAL PAGE FAULT
(XEN) [error_code=0000]
(XEN) Faulting linear address: ffd7f034
(XEN) ****************************************
(XEN)
(XEN) Reboot in five seconds...

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