[Xen-bugs] [Bug 896] New: BUG: soft lockup detected on CPU#0!

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=896

           Summary: BUG: soft lockup detected on CPU#0!
           Product: Xen
           Version: 3.0.2
          Platform: x86
        OS/Version: Linux-2.6
            Status: NEW
          Severity: major
          Priority: P2
         Component: Hypervisor
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: larrylud@xxxxxxxxx


get this message in dom0 with stress testing in a domU.

Feb 12 21:00:01 node01 kernel: BUG: soft lockup detected on CPU#0!
Feb 12 21:00:01 node01 kernel: 
Feb 12 21:00:01 node01 kernel: Pid: 16, comm:            kblockd/0
Feb 12 21:00:01 node01 kernel: EIP: 0061:[<c0101227>] CPU: 0
Feb 12 21:00:01 node01 kernel: EIP is at 0xc0101227
Feb 12 21:00:01 node01 kernel: EFLAGS: 00000246    Tainted: GF     
(2.6.16.33-xen_3.0.4.1 #1)
Feb 12 21:00:01 node01 kernel: EAX: 00030000 EBX: 00000000 ECX: 00000000 EDX:
00000000
Feb 12 21:00:01 node01 kernel: ESI: 00000000 EDI: cbb24fc4 EBP: 00000000 DS:
007b ES: 007b
Feb 12 21:00:01 node01 kernel: CR0: 8005003b CR2: b7f8e070 CR3: 0b73e000 CR4:
00000660
Feb 12 21:00:01 node01 kernel: [<c023f9ca>] force_evtchn_callback+0xa/0x10
Feb 12 21:00:01 node01 kernel: [<c012e466>] group_send_sig_info+0xb6/0xc0
Feb 12 21:00:01 node01 kernel: [<c012e8d9>] send_group_sig_info+0x29/0x40
Feb 12 21:00:01 node01 kernel: [<c0126870>] it_real_fn+0x0/0x60
Feb 12 21:00:01 node01 kernel: [<c012688d>] it_real_fn+0x1d/0x60
Feb 12 21:00:01 node01 kernel: [<c013b063>] hrtimer_run_queues+0xc3/0x170
Feb 12 21:00:01 node01 kernel: [<c012c582>] run_timer_softirq+0x22/0x210
Feb 12 21:00:01 node01 kernel: [<c0127a82>] __do_softirq+0x92/0x130
Feb 12 21:00:01 node01 kernel: [<c0127ba5>] do_softirq+0x85/0xa0
Feb 12 21:00:01 node01 kernel: [<c0106f9c>] do_IRQ+0x3c/0x70
Feb 12 21:00:01 node01 kernel: [<c023fa62>] evtchn_do_upcall+0x92/0x100
Feb 12 21:00:01 node01 kernel: [<c0105755>] hypervisor_callback+0x3d/0x48
Feb 12 21:00:01 node01 kernel: [<c023f9ca>] force_evtchn_callback+0xa/0x10
Feb 12 21:00:01 node01 kernel: [<cd045ff5>] scsi_request_fn+0x3a5/0x3f0
[scsi_mod]
Feb 12 21:00:01 node01 kernel: [<c03d2e00>] pcifront_x86_stub_init+0x0/0x80
Feb 12 21:00:01 node01 kernel: [<c01dcf3c>] cfq_kick_queue+0x5c/0xf0
Feb 12 21:00:01 node01 kernel: [<c03d2e98>] pci_fixup_nforce2+0x18/0x70
Feb 12 21:00:01 node01 kernel: [<c03d2e98>] pci_fixup_nforce2+0x18/0x70
Feb 12 21:00:01 node01 kernel: [<c03d2e9c>] pci_fixup_nforce2+0x1c/0x70
Feb 12 21:00:01 node01 kernel: [<c0133c78>] run_workqueue+0x78/0xf0
Feb 12 21:00:01 node01 kernel: [<c01dcee0>] cfq_kick_queue+0x0/0xf0
Feb 12 21:00:01 node01 kernel: [<c0133e17>] worker_thread+0x127/0x150
Feb 12 21:00:01 node01 kernel: [<c011c560>] default_wake_function+0x0/0x10
Feb 12 21:00:01 node01 kernel: [<c011c560>] default_wake_function+0x0/0x10
Feb 12 21:00:01 node01 kernel: [<c011c6fd>] complete+0x3d/0x60
Feb 12 21:00:01 node01 kernel: [<c0133cf0>] worker_thread+0x0/0x150
Feb 12 21:00:01 node01 kernel: [<c0137955>] kthread+0xa5/0xf0
Feb 12 21:00:01 node01 kernel: [<c01378b0>] kthread+0x0/0xf0
Feb 12 21:00:01 node01 kernel: [<c010348d>] kernel_thread_helper+0x5/0x18


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