From: Thomas Gleixner <tglx@linutronix.de>
To: Corentin Labbe <clabbe.montjoie@gmail.com>
Cc: steffen.klassert@secunet.com, peterz@infradead.org,
bigeasy@linutronix.de, rostedt@goodmis.org,
linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org
Subject: Re: DEADLOCK: bisected to d215aab82d81974f438bfbc80aa437132f3c37c3 ("cpu/hotplug: Convert hotplug locking to percpu rwsem")
Date: Sun, 21 May 2017 18:09:10 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.20.1705211807030.3023@nanos> (raw)
In-Reply-To: <20170521154416.GA25687@Red>
On Sun, 21 May 2017, Corentin Labbe wrote:
> Since linux-next-20170517 at least I got the following DEADLOCK warning:
> [ 4.311614] ============================================
> [ 4.316919] WARNING: possible recursive locking detected
> [ 4.322227] 4.12.0-rc1-next-20170517+ #273 Not tainted
> [ 4.327360] --------------------------------------------
> [ 4.332665] swapper/0/1 is trying to acquire lock:
> [ 4.337451] (cpu_hotplug_lock.rw_sem){++++++}, at: [<c01cc998>] stop_machine+0x1c/0x3c
The offending commit has been removed from -next. We are working on a replacement.
Thanks,
tglx
prev parent reply other threads:[~2017-05-21 16:09 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-21 15:44 DEADLOCK: bisected to d215aab82d81974f438bfbc80aa437132f3c37c3 ("cpu/hotplug: Convert hotplug locking to percpu rwsem") Corentin Labbe
2017-05-21 16:09 ` Thomas Gleixner [this message]
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