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* [Bug runtime/3278] New: hrtimers cause kernel crash
@ 2006-09-28 16:13 hunt at redhat dot com
  2006-09-28 16:16 ` [Bug runtime/3278] " joshua dot i dot stone at intel dot com
  0 siblings, 1 reply; 2+ messages in thread
From: hunt at redhat dot com @ 2006-09-28 16:13 UTC (permalink / raw)
  To: systemtap

This is new.  I run tests daily and didn't see this until today.

in testsuite/systemtap.samples,
> stap poll_map.stp

It will run OK, then after 30 seconds attempt to exit and crash the kernel.

OOPS on x86_64 xen guest:
BUG: soft lockup detected on CPU#0!

Call Trace:
 <IRQ> [<ffffffff802ad0fe>] softlockup_tick+0xdb/0xf6
 [<ffffffff8026d3a7>] timer_interrupt+0x38a/0x3d8
 [<ffffffff80210e82>] handle_IRQ_event+0x2d/0x60
 [<ffffffff802ad447>] __do_IRQ+0xa5/0x107
 [<ffffffff8026b2df>] do_IRQ+0xe7/0xf5
 [<ffffffff80394454>] evtchn_do_upcall+0x86/0xe0
 [<ffffffff8822eb28>] :stap_1825:enter_probe_1446+0x0/0x5f5
 [<ffffffff8025e1a6>] do_hypervisor_callback+0x1e/0x2c
 [<ffffffff8822eb28>] :stap_1825:enter_probe_1446+0x0/0x5f5
 [<ffffffff8020622a>] hypercall_page+0x22a/0x1000
 [<ffffffff8020622a>] hypercall_page+0x22a/0x1000
 [<ffffffff80393bb7>] force_evtchn_callback+0xa/0xb
 [<ffffffff8024ee85>] hrtimer_run_queues+0x109/0x176
 [<ffffffff80290645>] run_timer_softirq+0x23/0x1be
 [<ffffffff802122de>] __do_softirq+0x62/0xdd
 [<ffffffff8025e674>] call_softirq+0x1c/0x28
 [<ffffffff8026b469>] do_softirq+0x31/0x98
 [<ffffffff8026b2e4>] do_IRQ+0xec/0xf5
 [<ffffffff80394454>] evtchn_do_upcall+0x86/0xe0
 [<ffffffff8025e1a6>] do_hypervisor_callback+0x1e/0x2c

OOP on i686 smp:

Sep 28 11:40:16 dragon kernel: BUG: soft lockup detected on CPU#1!
Sep 28 11:40:16 dragon kernel:  <c044a94a> softlockup_tick+0xad/0xc4  <c042d858>
update_process_times+0x39/0x5c
Sep 28 11:40:16 dragon kernel:  <c0418af3> smp_apic_timer_interrupt+0x5a/0x63 
<f8e69fbf> enter_probe_1483+0x0/0x66a [stap_16376]
Sep 28 11:40:16 dragon kernel:  <c040490f> apic_timer_interrupt+0x1f/0x24 
<f8e69fbf> enter_probe_1483+0x0/0x66a [stap_16376]
Sep 28 11:40:16 dragon kernel:  <c04390f2> hrtimer_run_queues+0xed/0x143 
<c042d6bd> run_timer_softirq+0x25/0x187
Sep 28 11:40:16 dragon kernel:  <c0434225> __rcu_process_callbacks+0xd9/0x152 
<f8e6bcaf> __stp_time_timer_callback+0x0/0x95 [stap_16376]
Sep 28 11:40:16 dragon kernel:  <c0429dd9> __do_softirq+0x58/0xc2  <c04064e9>
do_softirq+0x46/0x51
Sep 28 11:40:16 dragon kernel:  =======================
Sep 28 11:40:16 dragon kernel:  <c040490f> apic_timer_interrupt+0x1f/0x24 
<c0402fe3> default_idle+0x0/0x55Sep 28 11:40:16 dragon kernel:  <c040300f>
default_idle+0x2c/0x55  <c04030c7> cpu_idle+0x8f/0xa8

-- 
           Summary: hrtimers cause kernel crash
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: critical
          Priority: P1
         Component: runtime
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: hunt at redhat dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=3278

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* [Bug runtime/3278] hrtimers cause kernel crash
  2006-09-28 16:13 [Bug runtime/3278] New: hrtimers cause kernel crash hunt at redhat dot com
@ 2006-09-28 16:16 ` joshua dot i dot stone at intel dot com
  0 siblings, 0 replies; 2+ messages in thread
From: joshua dot i dot stone at intel dot com @ 2006-09-28 16:16 UTC (permalink / raw)
  To: systemtap


------- Additional Comments From joshua dot i dot stone at intel dot com  2006-09-28 16:16 -------
I just made some changes with hrtimers, so I will investigate this...

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|systemtap at sources dot    |joshua dot i dot stone at
                   |redhat dot com              |intel dot com
             Status|NEW                         |ASSIGNED


http://sourceware.org/bugzilla/show_bug.cgi?id=3278

------- You are receiving this mail because: -------
You are the assignee for the bug, or are watching the assignee.

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