From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Rojhalat Ibrahim <imr@rtschenk.de>
Cc: linux-kernel@vger.kernel.org, rostedt@goodmis.org
Subject: Re: Regression in RCU subsystem in latest mainline kernel
Date: Fri, 14 Jun 2013 05:28:00 -0700 [thread overview]
Message-ID: <20130614122800.GL5146@linux.vnet.ibm.com> (raw)
In-Reply-To: <1626500.7WAVXjfS9F@pcimr>
On Fri, Jun 14, 2013 at 01:47:00PM +0200, Rojhalat Ibrahim wrote:
> Hi,
>
> the current mainline kernel from git reproducibly hangs on my Freescale
> PowerPC P5020DS development system. Most of the time the hang occurs during
> boot (kernel just stops booting, system hangs), sometimes shortly after
> booting (system hangs, no message). Very often booting stops at the
> initialization of the Intel PRO 1000 PCIe network device (e1000e).
>
> I used git bisect and arrived at this commit:
>
> 016a8d5be6ddcc72ef0432d82d9f6fa34f61b907
> rcu: Don't call wakeup() with rcu_node structure ->lock held
>
> With versions before that commit the system runs normally.
Odd, given that this fix was intended to prevent hangs. Could you
please send your .config?
Thanx, Paul
next prev parent reply other threads:[~2013-06-14 12:28 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-14 11:47 Regression in RCU subsystem in latest mainline kernel Rojhalat Ibrahim
2013-06-14 12:28 ` Paul E. McKenney [this message]
2013-06-14 12:46 ` Rojhalat Ibrahim
2013-06-14 21:06 ` Steven Rostedt
2013-06-14 21:06 ` Steven Rostedt
2013-06-15 2:02 ` Benjamin Herrenschmidt
2013-06-15 2:02 ` Benjamin Herrenschmidt
2013-06-15 2:17 ` Steven Rostedt
2013-06-15 2:17 ` Steven Rostedt
2013-06-15 2:21 ` Benjamin Herrenschmidt
2013-06-15 2:21 ` Benjamin Herrenschmidt
2013-06-15 2:31 ` Steven Rostedt
2013-06-15 2:31 ` Steven Rostedt
2013-06-15 2:51 ` Paul E. McKenney
2013-06-15 2:51 ` Paul E. McKenney
2013-06-17 13:21 ` Rojhalat Ibrahim
2013-06-17 13:21 ` Rojhalat Ibrahim
2013-06-17 13:51 ` Steven Rostedt
2013-06-17 13:51 ` Steven Rostedt
2013-06-17 7:42 ` Michael Ellerman
2013-06-17 7:42 ` Michael Ellerman
2013-06-19 4:09 ` Paul E. McKenney
2013-06-19 4:09 ` Paul E. McKenney
2013-06-25 7:19 ` Michael Ellerman
2013-06-25 7:19 ` Michael Ellerman
2013-06-25 7:36 ` Benjamin Herrenschmidt
2013-06-25 7:36 ` Benjamin Herrenschmidt
2013-06-25 7:44 ` Michael Ellerman
2013-06-25 7:44 ` Michael Ellerman
2013-06-25 16:03 ` Paul E. McKenney
2013-06-25 16:03 ` Paul E. McKenney
2013-06-26 8:10 ` Michael Ellerman
2013-06-26 8:10 ` Michael Ellerman
2013-06-26 14:16 ` Paul E. McKenney
2013-06-26 14:16 ` Paul E. McKenney
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