From: Rainer Dorsch <ml@bokomoko.de>
To: Keith Packard <keithp@keithp.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: CRT not detected via hotplug on resume
Date: Wed, 21 Sep 2011 18:15:27 +0200 [thread overview]
Message-ID: <201109211815.27862.ml@bokomoko.de> (raw)
In-Reply-To: <yunk491gbev.fsf@aiko.keithp.com>
Keith,
many thanks for the quick and useful reply.
Am Wednesday, 21. September 2011 schrieb Keith Packard:
> On Wed, 21 Sep 2011 14:23:01 +0200, Rainer Dorsch <ml@bokomoko.de> wrote:
> > Hello,
> >
> > after resuming my graphics card sometimes does not come up (see my post
> > yesterday).
> >
> > Comparing drm outputs with drm.debug=6 in syslog reveals among others
> >
> > [drm:intel_crt_detect], CRT not detected via hotplug hotplug"
> >
> > Does that mean that the monitor (EIZO FlexScan L767) is not reliably
> > detected?
>
> No, your monitor is not connected on a VGA cable, but an HDMI (or DVI)
> cable through an SDVO card.
Indeed, that is true.
> I don't see any visible differences between the two resume sequences.
Hmm...that is bad news.
Since I can ssh into the machine, when the problem occurs, are there some
diagnosis scripts/tools I could run?
> > Is that a know problem? Does it make sense to open a bug report?
>
> I haven't heard of any trouble with resume on SVDO cards, but I also
> don't know many machines using this.
>
> Note that there's some review going on that supports hot-plug on SDVO
> connected HDMI displays; it's possible that might help in your case, so
> you might want to try that patch.
Are you refereing to the mail from Simon from yesterday:
[Intel-gfx] [PATCHv5] drm/i915: Enable SDVO hotplug interrupts for HDMI and
DVI
?
Do you expect that it can be applied to a Linux 3.0 kernel?
Thanks again,
Rainer
--
Rainer Dorsch
http://bokomoko.de/
next prev parent reply other threads:[~2011-09-21 16:15 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-21 12:23 CRT not detected via hotplug on resume Rainer Dorsch
2011-09-21 15:31 ` Keith Packard
2011-09-21 16:15 ` Rainer Dorsch [this message]
2011-09-21 16:22 ` Simon Farnsworth
2011-09-21 17:09 ` Keith Packard
2011-09-22 8:36 ` Rainer Dorsch
2011-09-22 14:33 ` Keith Packard
2011-09-23 19:05 ` Rainer Dorsch
2011-09-24 5:29 ` Keith Packard
2011-10-22 18:41 ` Rainer Dorsch
-- strict thread matches above, loose matches on Subject: below --
2011-09-24 8:59 Rainer Dorsch
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=201109211815.27862.ml@bokomoko.de \
--to=ml@bokomoko.de \
--cc=intel-gfx@lists.freedesktop.org \
--cc=keithp@keithp.com \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox