I have a similar issue, the output from dmesg gives a similar
appearance.
[ 1828.730779] [drm:i915_hotplug_work_func], running encoder hotplug functions
[ 1828.738627] [drm:intel_dp_check_link_status], TMDS-22: channel EQ not ok,
retraining
[ 1828.739133] [drm:intel_dp_start_link_train], training
** Changed in: xserver-xorg-video-intel
Status: Incomplete => Won't Fix
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Title:
displayport monitor shuts off once
... so it was a bug in the monitor default settings. Samsung is wise
enough to have a setting for "off timer" and the timeout of 1h. By
default.. I have no idea if it should use some sort of a sensor, I've
turned every eco mode setting off since they don't work. Looks like this
is related though it
Yeah, I figured as much.. I'll switch to 3.6 sometime soon, when I don't
need to build anything (need overlayfs support from the distro kernel
:/)
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(In reply to comment #12)
> I added the patch to the distro kernel (based on 3.2.29), and then after
> maybe an hour of uptime I got a full system lockup, and after maybe half a
> minute the monitor powered off.
That's pretty much guaranteed to be a different issue ;-) The question
is whether the
I added the patch to the distro kernel (based on 3.2.29), and then after
maybe an hour of uptime I got a full system lockup, and after maybe half
a minute the monitor powered off.
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Created attachment 67628
disable all hdmi modes
Can you please test this quick debug hack to disable all hdmi modes? I
suspect that the hotplug detection we regularly do causes (eventually)
some havoc. Or at least we've had similar bugs, so better check this
first.
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I'm now running 3.6rc5, and it still has the same issue.
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Title:
displayport monitor shuts off once in a while
To manage
was a bug in samsung monitor default settings, sigh
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Triaged => Invalid
** Changed in: xserver-xorg-video-intel (Ubuntu)
Assignee: Timo Aaltonen (tjaalton) => (unassigned)
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** Changed in: xserver-xorg-video-intel
Status: Confirmed => Incomplete
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Title:
displayport monitor shuts off once
Can you please retest with 3.6-rc kernel? Just to ensure that we're not
hunting a duplicate here (since we've fixed quite a few issues around
audio support recently).
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** Changed in: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided => Medium
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Title:
displayport monitor shuts off
The entries you pasted are after I turned the monitor back on. I took
another pair of dumps now, one right after it turned off and another one
after turning it back on, and the diff shows that the second "PCH HDCP
audio interrupt" is output when the monitor has been turned on. The
first one is when
Created attachment 62880
xrandr --verbose
the system is a Maho-Bay SDP, I'll get the dmesg dump after a fresh boot
later. Attached xrandr --verbose output.
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Oh and: Can you please boot with drm.debug=0xe and attach the full
dmesg, just so we know what your system looks like? While at it, also
please attacht the output of xrandr --verbose, thanks.
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Just to check: Does your problem of the dp screen disappearing correlate
with:
[47766.404715] [drm:intel_dp_check_link_status], TMDS-9: channel EQ not ok,
retraining
[47766.404927] [drm:intel_dp_start_link_train], training pattern 1 signal
levels
[47766.405653] [drm:intel_dp_start_link_
also, this time I'm using 3.2.19 + some backport hang fixes, but I doubt
it matters here..
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Title:
displayport monitor sh
Created attachment 62782
another dmesg dump
I added that patch, but looks like it didn't work. Attached another
dmesg dump with drm.debug=0x06, the interesting bits are towards the
end.
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Launchpad has imported 3 comments from the remote bug at
https://bugs.freedesktop.org/show_bug.cgi?id=50826.
If you reply to an imported comment from within Launchpad, your comment
will be sent to the remote bug automatically. Read more about
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** Bug watch added: freedesktop.org Bugzilla #50826
https://bugs.freedesktop.org/show_bug.cgi?id=50826
** Also affects: xserver-xorg-video-intel via
https://bugs.freedesktop.org/show_bug.cgi?id=50826
Importance: Unknown
Status: Unknown
** Changed in: xserver-xorg-video-intel (Ubun
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Title:
displayport monitor shuts off once in a while
To manage notifications about this bug go to:
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[923495.381030] [drm:i915_hotplug_work_func], running encoder hotplug functions
[923495.381543] [drm:intel_dp_aux_ch], dp_aux_ch timeout status 0x5013003e
[923495.389010] [drm:intel_dp_aux_ch], dp_aux_ch timeout status 0x5013003e
[923495.396983] [drm:intel_dp_aux_ch], dp_aux_ch timeout status 0x501
Public bug reported:
dumping the info here for now, need to report this upstream
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: xserver-xorg-video-intel 2:2.17.0-1ubuntu4
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
Uname: Linux 3.2.0-24-generic x86_64
.tmp.unity.support.test.0:
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