Bug was fixed in the latest update 2:2.21.6-0ubuntu3
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1165723
Title:
** Tags added: flicker
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Title:
After connecting/disconnecting second monitor displays are blinking
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** Attachment added: "Details Video"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1165723/+attachment/3633971/+files/VID_20130409_120040.mp4
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dmesg with drm.debug=6
** Attachment added: "dmesg with drm.debug=6"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1165723/+attachment/3633931/+files/dmesg
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I have no reasonable explanation for this. A single pipe flickering,
perhaps. but not both in sync.
Can you please boot with drm.debug=6 on your kernel command line and
just a single monitor, then plug in the external display to trigger the
flashing, and then attach the output of dmesg?
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** Package changed: xorg (Ubuntu) => xserver-xorg-video-intel (Ubuntu)
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Title:
After connecting/disconnecting second monitor displays are blinki
** Description changed:
After connecting/disconnecting second monitor displays start blinking
when something changes on screen.
+
+ After restarting X displays stop blinking.
$ lsb_release -rd
Description: Ubuntu Raring Ringtail (development branch)
Release: 13.04
$ apt-c
I uploaded video
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1165723/+attachment/3628126/+files/VID_20130407_140504.mp4
Do you need more details?
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