[Xen-bugs] [Bug 886] New: [SR]restore SMP guest in IA32e will show some trace info

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=886

           Summary: [SR]restore SMP guest in IA32e will show some trace info
           Product: Xen
           Version: unstable
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: HVM
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: ping.y.yu@xxxxxxxxx
                CC: fan.zhao@xxxxxxxxx


When restore ia32e SMP guest, the guest works fine, but there is some trace
informatin in "xm 
console" and QEMU VGA windows. 

The console information is the following:

 xm con 13
BUG: soft lockup detected on CPU#0!
CPU 0:
Modules linked in: ipv6 sunrpc dm_mirror dm_mod lp parport_pc parport floppy
nvram 8139too 8139cp 
mii ext3 jbd
Pid: 0, comm: swapper Not tainted 2.6.15-1.2054_FC5 #1
RIP: 0010:[<ffffffff80137a8e>] <ffffffff80137a8e>{__do_softirq+74}
RSP: 0018:ffffffff80473f68  EFLAGS: 00000206
RAX: ffffffff80539fd8 RBX: 0000000000000002 RCX: ffffffff80473f30
RDX: 0000000000000002 RSI: 00000000000000fe RDI: ffffffff803b83c0
RBP: ffffffff80523f80 R08: ffff8100018e18c8 R09: 0000000000000003
R10: ffffffff803647ad R11: ffffffff80339fce R12: 000000000000000a
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffffffff8050c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000000000 CR3: 00000000162ea000 CR4: 00000000000006e0

Call Trace: <IRQ> <ffffffff8010bc36>{call_softirq+30}
       <ffffffff8010cb74>{do_softirq+44} <ffffffff80109791>{default_idle+0}
       <ffffffff8010b590>{apic_timer_interrupt+132} <EOI>
<ffffffff80109791>{default_idle+0}
       <ffffffff80339fce>{thread_return+0} <ffffffff801097bc>{default_idle+43}
       <ffffffff8010987c>{cpu_idle+151} <ffffffff8053a81b>{start_kernel+470}
       <ffffffff8053a298>{_sinittext+664}

Fedora Core release 5 (Bordeaux)
Kernel 2.6.15-1.2054_FC5 on an x86_64

localhost.localdomain login:


see attachment for VGA console info


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