From: Dave Jones <davej@redhat.com>
To: Oleg Nesterov <oleg@redhat.com>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
Linux Kernel <linux-kernel@vger.kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Andrey Vagin <avagin@openvz.org>,
Steven Rostedt <rostedt@goodmis.org>
Subject: Re: frequent softlockups with 3.10rc6.
Date: Tue, 25 Jun 2013 11:35:20 -0400 [thread overview]
Message-ID: <20130625153520.GA7784@redhat.com> (raw)
In-Reply-To: <20130624173510.GA1321@redhat.com>
Took a lot longer to trigger this time. (13 hours of runtime).
This trace may still not be from the first lockup, as a flood of
them happened at the same time.
# tracer: preemptirqsoff
#
# preemptirqsoff latency trace v1.1.5 on 3.10.0-rc7+
# --------------------------------------------------------------------
# latency: 389877255 us, #4/4, CPU#1 | (M:preempt VP:0, KP:0, SP:0 HP:0 #P:4)
# -----------------
# | task: trinity-main-9252 (uid:1000 nice:19 policy:0 rt_prio:0)
# -----------------
# => started at: vprintk_emit
# => ended at: vprintk_emit
#
#
# _------=> CPU#
# / _-----=> irqs-off
# | / _----=> need-resched
# || / _---=> hardirq/softirq
# ||| / _--=> preempt-depth
# |||| / delay
# cmd pid ||||| time | caller
# \ / ||||| \ | /
trinity--9252 1dNh1 0us!: console_unlock <-vprintk_emit
trinity--9252 1dNh1 389877255us : console_unlock <-vprintk_emit
trinity--9252 1dNh1 389877255us+: stop_critical_timings <-vprintk_emit
trinity--9252 1dNh1 389877261us : <stack trace>
=> console_unlock
=> vprintk_emit
=> printk
=> rcu_check_callbacks
=> update_process_times
=> tick_sched_handle.isra.16
=> tick_sched_timer
=> __run_hrtimer
=> hrtimer_interrupt
=> smp_apic_timer_interrupt
=> apic_timer_interrupt
=> _raw_spin_lock
=> evict
=> iput
=> dput
=> proc_flush_task
=> release_task
=> wait_consider_task
=> do_wait
=> SyS_wait4
=> tracesys
next prev parent reply other threads:[~2013-06-25 15:36 UTC|newest]
Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-19 16:45 frequent softlockups with 3.10rc6 Dave Jones
2013-06-19 17:53 ` Dave Jones
2013-06-19 18:13 ` Paul E. McKenney
2013-06-19 18:42 ` Dave Jones
2013-06-20 0:12 ` Dave Jones
2013-06-20 16:16 ` Paul E. McKenney
2013-06-20 16:27 ` Dave Jones
2013-06-21 15:11 ` Dave Jones
2013-06-21 19:59 ` Oleg Nesterov
2013-06-22 1:37 ` Dave Jones
2013-06-22 17:31 ` Oleg Nesterov
2013-06-22 21:59 ` Dave Jones
2013-06-23 5:00 ` Andrew Vagin
2013-06-23 14:36 ` Oleg Nesterov
2013-06-23 15:06 ` Dave Jones
2013-06-23 16:04 ` Oleg Nesterov
2013-06-24 0:21 ` Dave Jones
2013-06-24 2:00 ` Dave Jones
2013-06-24 14:39 ` Oleg Nesterov
2013-06-24 14:52 ` Steven Rostedt
2013-06-24 16:00 ` Dave Jones
2013-06-24 16:24 ` Steven Rostedt
2013-06-24 16:51 ` Dave Jones
2013-06-24 17:04 ` Steven Rostedt
2013-06-25 16:55 ` Dave Jones
2013-06-25 17:21 ` Steven Rostedt
2013-06-25 17:23 ` Steven Rostedt
2013-06-25 17:26 ` Dave Jones
2013-06-25 17:31 ` Steven Rostedt
2013-06-25 17:32 ` Steven Rostedt
2013-06-25 17:29 ` Steven Rostedt
2013-06-25 17:34 ` Dave Jones
2013-06-24 16:37 ` Oleg Nesterov
2013-06-24 16:49 ` Dave Jones
2013-06-24 15:57 ` Dave Jones
2013-06-24 17:35 ` Oleg Nesterov
2013-06-24 17:44 ` Dave Jones
2013-06-24 17:53 ` Steven Rostedt
2013-06-24 18:00 ` Dave Jones
2013-06-25 15:35 ` Dave Jones [this message]
2013-06-25 16:23 ` Steven Rostedt
2013-06-26 5:23 ` Dave Jones
2013-06-26 19:52 ` Steven Rostedt
2013-06-26 20:00 ` Dave Jones
2013-06-27 3:01 ` Steven Rostedt
2013-06-26 5:48 ` Dave Jones
2013-06-26 19:18 ` Oleg Nesterov
2013-06-26 19:40 ` Dave Jones
2013-06-27 0:22 ` Dave Jones
2013-06-27 1:06 ` Eric W. Biederman
2013-06-27 2:32 ` Tejun Heo
2013-06-27 7:55 ` Dave Chinner
2013-06-27 10:06 ` Dave Chinner
2013-06-27 12:52 ` Dave Chinner
2013-06-27 15:21 ` Dave Jones
2013-06-28 1:13 ` Dave Chinner
2013-06-28 3:58 ` Dave Chinner
2013-06-28 10:28 ` Jan Kara
2013-06-29 3:39 ` Dave Chinner
2013-07-01 12:00 ` Jan Kara
2013-07-02 6:29 ` Dave Chinner
2013-07-02 8:19 ` Jan Kara
2013-07-02 12:38 ` Dave Chinner
2013-07-02 14:05 ` Jan Kara
2013-07-02 16:13 ` Linus Torvalds
2013-07-02 16:57 ` Jan Kara
2013-07-02 17:38 ` Linus Torvalds
2013-07-03 3:07 ` Dave Chinner
2013-07-03 3:28 ` Linus Torvalds
2013-07-03 4:49 ` Dave Chinner
2013-07-04 7:19 ` Andrew Morton
2013-06-29 20:13 ` Dave Jones
2013-06-29 22:23 ` Linus Torvalds
2013-06-29 23:44 ` Dave Jones
2013-06-30 0:21 ` Steven Rostedt
2013-07-01 12:49 ` Pavel Machek
2013-06-30 0:17 ` Steven Rostedt
2013-06-30 2:05 ` Dave Chinner
2013-06-30 2:34 ` Dave Chinner
2013-06-27 14:30 ` Dave Jones
2013-06-28 1:18 ` Dave Chinner
2013-06-28 2:54 ` Linus Torvalds
2013-06-28 3:54 ` Dave Chinner
2013-06-28 5:59 ` Linus Torvalds
2013-06-28 7:21 ` Dave Chinner
2013-06-28 8:22 ` Linus Torvalds
2013-06-28 8:32 ` Al Viro
2013-06-28 8:22 ` Al Viro
2013-06-28 9:49 ` Jan Kara
2013-07-01 17:57 ` block layer softlockup Dave Jones
2013-07-02 2:07 ` Dave Chinner
2013-07-02 6:01 ` Dave Jones
2013-07-02 7:30 ` Dave Chinner
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