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
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87zisiksfx.fsf@intel.com \
--to=jani.nikula@linux.intel.com \
--cc=intel-gfx@lists.freedesktop.org \
--cc=steinar+dri@gunderson.no \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.