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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Will Deacon <will.deacon@arm.com>
Cc: Vinod Koul <vinod.koul@intel.com>, "djbw@fb.com" <djbw@fb.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	"andriy.shevchenko@linux.intel.com" 
	<andriy.shevchenko@linux.jf.intel.com>,
	"viresh.kumar@linaro.org" <viresh.kumar@linaro.org>
Subject: Re: dmatest regression in 3.10-rc1
Date: Tue, 21 May 2013 15:31:00 +0300	[thread overview]
Message-ID: <1369139460.29283.147.camel@smile> (raw)
In-Reply-To: <20130520095857.GI31359@mudshark.cambridge.arm.com>

On Mon, 2013-05-20 at 10:58 +0100, Will Deacon wrote: 
> Sure. They way I trigger it is to unload the module whilst the DMA is
> ongoing (I'm using a software model, so I can make the DMA nice and slow --
> I guess you could try using some large buffers).

Thank you for the script. It looks like I managed to reproduce it with
help of your script. I'm about to send the patch. I will appreciate to
collect a Tested-by tags in case it solves the issue.


-- 
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy

WARNING: multiple messages have this Message-ID (diff)
From: andriy.shevchenko@linux.intel.com (Andy Shevchenko)
To: linux-arm-kernel@lists.infradead.org
Subject: dmatest regression in 3.10-rc1
Date: Tue, 21 May 2013 15:31:00 +0300	[thread overview]
Message-ID: <1369139460.29283.147.camel@smile> (raw)
In-Reply-To: <20130520095857.GI31359@mudshark.cambridge.arm.com>

On Mon, 2013-05-20 at 10:58 +0100, Will Deacon wrote: 
> Sure. They way I trigger it is to unload the module whilst the DMA is
> ongoing (I'm using a software model, so I can make the DMA nice and slow --
> I guess you could try using some large buffers).

Thank you for the script. It looks like I managed to reproduce it with
help of your script. I'm about to send the patch. I will appreciate to
collect a Tested-by tags in case it solves the issue.


-- 
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy

  reply	other threads:[~2013-05-21 12:31 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-15 15:28 dmatest regression in 3.10-rc1 Will Deacon
2013-05-15 15:28 ` Will Deacon
2013-05-16 15:35 ` Will Deacon
2013-05-16 15:35   ` Will Deacon
2013-05-17 12:34   ` Vinod Koul
2013-05-17 12:34     ` Vinod Koul
2013-05-17 14:18     ` Will Deacon
2013-05-17 14:18       ` Will Deacon
2013-05-20  7:52       ` Andy Shevchenko
2013-05-20  7:52         ` Andy Shevchenko
2013-05-20  9:58         ` Will Deacon
2013-05-20  9:58           ` Will Deacon
2013-05-21 12:31           ` Andy Shevchenko [this message]
2013-05-21 12:31             ` Andy Shevchenko
2013-05-21 12:33   ` [PATCH] dmatest: abort transfers immediately when asked for Andy Shevchenko
2013-05-21 12:33     ` Andy Shevchenko
2013-05-21 15:11     ` Will Deacon
2013-05-21 15:11       ` Will Deacon
2013-05-21 17:24       ` Andy Shevchenko
2013-05-21 17:24         ` Andy Shevchenko
2013-05-22 12:41         ` Will Deacon
2013-05-22 12:41           ` Will Deacon
2013-05-22 13:26           ` Andy Shevchenko
2013-05-22 13:26             ` Andy Shevchenko
2013-05-23 10:09         ` Vinod Koul
2013-05-23 10:09           ` Vinod Koul
2013-05-23 10:51           ` Andy Shevchenko
2013-05-23 10:51             ` Andy Shevchenko
2013-05-23 10:22             ` Vinod Koul
2013-05-23 10:22               ` Vinod Koul

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