From: Vinod Koul <vkoul@kernel.org>
To: Richard Genoud <richard.genoud@gmail.com>
Cc: Ludovic Desroches <ludovic.desroches@microchip.com>,
Dan Williams <dan.j.williams@intel.com>,
Alexandre Belloni <alexandre.belloni@bootlin.com>,
Nicolas Ferre <nicolas.ferre@microchip.com>,
Maxime Ripard <maxime.ripard@bootlin.com>,
Mario Forner <m.forner@be4energy.com>,
linux-arm-kernel@lists.infradead.org, dmaengine@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org,
stable@vger.kernel.org
Subject: Re: [PATCH] dmaengine: at_hdmac: fix module unloading
Date: Thu, 29 Nov 2018 19:51:18 +0530 [thread overview]
Message-ID: <20181129142118.GI3175@vkoul-mobl.Dlink> (raw)
In-Reply-To: <20181127160635.11836-2-richard.genoud@gmail.com>
On 27-11-18, 17:06, Richard Genoud wrote:
> of_dma_controller_free() was not called on module onloading.
> This lead to a soft lockup:
> watchdog: BUG: soft lockup - CPU#0 stuck for 23s!
> Modules linked in: at_hdmac [last unloaded: at_hdmac]
> when of_dma_request_slave_channel() tried to call ofdma->of_dma_xlate().
Applied, thanks
--
~Vinod
next prev parent reply other threads:[~2018-11-30 1:26 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-27 16:06 [PATCH] dmaengine: at_hdmac: fix memory leak in at_dma_xlate() Richard Genoud
2018-11-27 16:06 ` [PATCH] dmaengine: at_hdmac: fix module unloading Richard Genoud
2018-11-29 13:52 ` Ludovic Desroches
2018-11-29 14:21 ` Vinod Koul [this message]
2018-11-29 13:51 ` [PATCH] dmaengine: at_hdmac: fix memory leak in at_dma_xlate() Ludovic Desroches
2018-11-29 14:20 ` Vinod Koul
2018-11-30 10:07 ` Mario Forner
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