From: Dave Jones <davej@redhat.com>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: rcu_prempt stalls / lockup
Date: Tue, 1 Apr 2014 20:07:58 -0400 [thread overview]
Message-ID: <20140402000758.GA1440@redhat.com> (raw)
In-Reply-To: <20140401235724.GD4284@linux.vnet.ibm.com>
On Tue, Apr 01, 2014 at 04:57:24PM -0700, Paul E. McKenney wrote:
> > [ 917.790265] INFO: rcu_preempt detected stalls on CPUs/tasks:
> > [ 917.791189] (detected by 0, t=6502 jiffies, g=21390, c=21389, q=0)
>
> But the hang didn't happen until grace period #21390. Sigh! That means
> that the trace doesn't tell me about the current grace period.
>
> Thank you for getting this info, but it is beginning to look like
> bisection is necessary here. :-(
ok, I was hoping that wouldn't be the case, but let's see what it turns up.
Dave
next prev parent reply other threads:[~2014-04-02 0:08 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-31 23:02 rcu_prempt stalls / lockup Dave Jones
2014-03-31 23:22 ` Paul E. McKenney
2014-03-31 23:35 ` Dave Jones
2014-04-01 0:48 ` Paul E. McKenney
2014-04-01 15:08 ` Dave Jones
2014-04-01 15:30 ` Paul E. McKenney
2014-04-01 17:22 ` Dave Jones
2014-04-01 17:55 ` Paul E. McKenney
2014-04-01 18:04 ` Dave Jones
2014-04-01 18:32 ` Paul E. McKenney
2014-04-01 22:16 ` Dave Jones
2014-04-01 23:18 ` Paul E. McKenney
2014-04-01 23:31 ` Dave Jones
2014-04-01 23:57 ` Paul E. McKenney
2014-04-02 0:07 ` Dave Jones [this message]
2014-04-02 16:20 ` Paul E. McKenney
2014-04-02 16:23 ` Dave Jones
2014-04-02 22:48 ` Dave Jones
2014-04-03 20:01 ` Dave Jones
2014-04-03 20:46 ` Paul E. McKenney
2014-04-03 21:44 ` Dave Jones
2014-04-03 22:37 ` Dave Jones
2014-04-04 17:06 ` Paul E. McKenney
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