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From: "Luis Claudio R. Goncalves" <lclaudio@uudg.org>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: linux-rt-users <linux-rt-users@vger.kernel.org>
Subject: Re: [4.0.5-rt4] i915: sleeping function called from invalid context at intel_pipe_update_start/end
Date: Fri, 10 Jul 2015 11:14:49 -0300	[thread overview]
Message-ID: <20150710141449.GI5216@uudg.org> (raw)
In-Reply-To: <20150710140826.GB27402@linutronix.de>

On Fri, Jul 10, 2015 at 04:08:26PM +0200, Sebastian Andrzej Siewior wrote:
| * Luis Claudio R. Goncalves | 2015-06-25 12:09:47 [-0300]:
| 
| >Hi!
| Hi,
| 
| >I have been seeing the annoying message below non-stop: 
| >
| >i915: sleeping function called from invalid context at intel_pipe_update_start/end
| 
| I am not sure what we break here if we drop the irq-off. It waits to sync
| with the interrupt and expects no interruption after that. What about if
| we skip this mmio_flip thing entirely? Either via modprobe or kernel
| commandline
| 
|     i915.use_mmio_flip=-1
| 
| should do the trick. Either way
|     /sys/module/i915/parameters/use_mmio_flip
| should be -1. Could you please try and test?

I will need to test that during the weekend, but I can surely test.

Luis

      reply	other threads:[~2015-07-10 14:14 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-25 15:09 [4.0.5-rt4] i915: sleeping function called from invalid context at intel_pipe_update_start/end Luis Claudio R. Goncalves
2015-07-10 14:08 ` Sebastian Andrzej Siewior
2015-07-10 14:14   ` Luis Claudio R. Goncalves [this message]

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