From: Jani Nikula <jani.nikula@linux.intel.com>
To: "Steinar H. Gunderson" <steinar+dri@gunderson.no>,
intel-gfx@lists.freedesktop.org
Subject: Re: [BUG] Blinking display with 4.6-rc*
Date: Mon, 25 Apr 2016 11:23:30 +0300 [thread overview]
Message-ID: <87zisiksfx.fsf@intel.com> (raw)
In-Reply-To: <20160423093142.GA1701@sesse.net>
On Sat, 23 Apr 2016, "Steinar H. Gunderson" <steinar+dri@gunderson.no> wrote:
> I have a Lenovo X240, which has Haswell integrated graphics. On upgrade from
> 4.5.0 to 4.6-rc1, I noticed an extremely irritating issue; about every
> minute, the display shows black for a brief moment (perhaps one or two
> frames), then reverts back to the correct display. There are no other ill
> effects that I can see, in particular nothing in dmesg. I tried with 4.6-rc4,
> and it has the same issue.
>
> Do I need to run a full bisect to figure out what's causing this, or does it
> ring a bell with someone?
Please file a bug at [1]. Please add drm.debug=14 module parameter and
attach dmesg to the bug, all the way from boot to exhibiting the
problem.
You might also want to give drm-intel-nightly branch of [2] a try.
BR,
Jani.
[1] https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel
[2] http://cgit.freedesktop.org/drm-intel
--
Jani Nikula, Intel Open Source Technology Center
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next prev parent reply other threads:[~2016-04-25 8:23 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-23 9:31 [BUG] Blinking display with 4.6-rc* Steinar H. Gunderson
2016-04-25 8:23 ` Jani Nikula [this message]
2016-04-25 8:44 ` Steinar H. Gunderson
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