From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Janne Heikkinen <janne.m.heikkinen@gmail.com>,
intel-gfx@lists.freedesktop.org,
Deepak S <deepak.s@linux.intel.com>,
Chris Wilson <chri@chris-wilson.co.uk>
Subject: Re: drm/i915: Agressive downclocking on Baytrail
Date: Wed, 6 Jan 2016 11:17:20 -0800 [thread overview]
Message-ID: <568D6840.8040303@virtuousgeek.org> (raw)
In-Reply-To: <CAMEJZcEc_WsLCfUXhN18ugmMVXtCxy40yvav=k2a0f53PhT5og@mail.gmail.com>
On 01/06/2016 11:15 AM, Janne Heikkinen wrote:
> I've got Bay Trail based Asus X553MA and I've been experiencing daily hangs
> with kernels beginning from 4.2-rc1. I haven't had any problems with 4.1.x
> kernels and using 4.1.13 I've gotten constant 5+ day uptimes since November
> (I had to at least suspend it once per week for traveling but during Christmas
> longest uptime was 11 days).
>
> Now I did bisection beginning with marking 4.2-rc1 as bad and 4.1.0 as good
> and found out that it was this commit:
>
> [8fb55197e64d5988ec57b54e973daeea72c3f2ff]
> drm/i915: Agressive downclocking on Baytrail
>
> causing the hangs.
>
> 4.4-rc8 hanged in less than hour. After I reversed the patch from it and
> commented out lines containing related fields from i915_debugfs.c
> I now seem to have stable 4.4-rc8.
Cc'ing Deepak and Chris.
Jesse
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next prev parent reply other threads:[~2016-01-06 19:18 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-06 19:15 drm/i915: Agressive downclocking on Baytrail Janne Heikkinen
2016-01-06 19:17 ` Jesse Barnes [this message]
2016-01-06 19:38 ` Chris Wilson
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