From: Jens Axboe <axboe@kernel.dk>
To: Philipp Reisner <philipp.reisner@linbit.com>,
linux-kernel@vger.kernel.org
Cc: drbd-dev@lists.linbit.com
Subject: Re: [PATCH] drbd: fix regression 'out of mem, failed to invoke fence-peer helper'
Date: Thu, 10 Jul 2014 11:07:22 +0200 [thread overview]
Message-ID: <53BE57CA.9020807@kernel.dk> (raw)
In-Reply-To: <1404933512-5166-2-git-send-email-philipp.reisner@linbit.com>
On 2014-07-09 21:18, Philipp Reisner wrote:
> From: Lars Ellenberg <lars.ellenberg@linbit.com>
>
> Since linux kernel 3.13, kthread_run() internally uses
> wait_for_completion_killable(). We sometimes may use kthread_run()
> while we still have a signal pending, which we used to kick our threads
> out of potentially blocking network functions, causing kthread_run() to
> mistake that as a new fatal signal and fail.
>
> Fix: flush_signals() before kthread_run().
Applied - should this have been marked stable, if it affects 3..13+ kernels?
--
Jens Axboe
next prev parent reply other threads:[~2014-07-10 9:07 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-09 19:18 [PATCH] Fix DRBD regression Philipp Reisner
2014-07-09 19:18 ` [PATCH] drbd: fix regression 'out of mem, failed to invoke fence-peer helper' Philipp Reisner
2014-07-10 9:07 ` Jens Axboe [this message]
2014-07-10 9:53 ` Philipp Reisner
2014-07-10 9:55 ` Jens Axboe
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