From: Stanislav Meduna <stano@meduna.org>
To: "linux-rt-users@vger.kernel.org" <linux-rt-users@vger.kernel.org>,
triplesquarednine@gmail.com
Cc: Linux ARM Kernel <linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
bigeasy@linutronix.de, Steven Rostedt <rostedt@goodmis.org>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: BUG: spinlock trylock failure on UP - reverting timer patches helps
Date: Fri, 18 Apr 2014 00:55:19 +0200 [thread overview]
Message-ID: <53505BD7.9050004@meduna.org> (raw)
In-Reply-To: <53500184.4050309@meduna.org>
On 17.04.2014 18:29, Stanislav Meduna wrote:
> Note: the bug goes away reverting the very same patches that are
> helping the Jordan's problms. I did follow
>
> http://www.spinics.net/lists/linux-rt-users/msg11639.html
>
> and no BUG while booting anymore. I'll try to let it run some
> more time.
Erm.. nope
# (cat /proc/meminfo ; cat /proc/meminfo) | grep KernelStack
KernelStack: 5920 kB
KernelStack: 5928 kB
# (cat /proc/meminfo ; cat /proc/meminfo) | grep KernelStack
KernelStack: 5952 kB
KernelStack: 5960 kB
maybe interrupt nesting ad nauseum? How does one debug
such issues?
It is possible that my previous posting was also caused by this -
disregard, I'll post again if the problem persists.
Jordan, could you check whether your kernel stack remains
stable with only the 3 patches reverted?
Thanks
--
Stano
next prev parent reply other threads:[~2014-04-17 22:55 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <534C3606.7010206@meduna.org>
2014-04-14 23:45 ` BUG: spinlock trylock failure on UP, i.MX28 3.12.15-rt25 Stanislav Meduna
2014-04-15 22:08 ` Stanislav Meduna
2014-04-17 16:29 ` BUG: spinlock trylock failure on UP - reverting timer patches helps Stanislav Meduna
2014-04-17 22:55 ` Stanislav Meduna [this message]
2014-04-17 23:10 ` jordan
2014-04-18 1:15 ` jordan
2014-04-18 14:45 ` Stanislav Meduna
2014-04-18 15:09 ` jordan
2014-04-22 11:54 ` BUG: spinlock trylock failure on UP, i.MX28 3.12.15-rt25 Sebastian Andrzej Siewior
2014-04-22 13:46 ` Steven Rostedt
2014-04-22 14:09 ` Peter Zijlstra
2014-04-23 8:10 ` Sebastian Andrzej Siewior
2014-04-23 8:50 ` Peter Zijlstra
2014-04-22 16:51 ` Sebastian Andrzej Siewior
2014-04-22 17:48 ` Steven Rostedt
2014-04-22 18:16 ` Steven Rostedt
2014-04-23 7:14 ` Sebastian Andrzej Siewior
2014-04-23 8:49 ` Peter Zijlstra
2014-04-23 12:15 ` Steven Rostedt
2014-05-02 18:38 ` Sebastian Andrzej Siewior
2014-05-02 19:01 ` Thomas Gleixner
2014-05-02 19:36 ` Thomas Gleixner
2014-05-02 19:37 ` Sebastian Andrzej Siewior
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