* [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
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