At least fixed with Ubuntu 16.4 and Kernel 4.7.0 rc2.
** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1570780
Title:
I can confirm that this also affects 16.04. I am getting random hard
freezes with external monitors, but unfortunately I am not able to get
any tracebacks.
Is there an upstream bug report yet?
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As requested I installed the newest mainline kernel (uname -a reports: Linux
knut-ThinkPad-L460 4.6.0-040600rc4-generic #201604172330 SMP Mon Apr 18
03:32:32 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux).
For the first time I could use two displays in extended desktop mode but after
some moments the
Additional attachment to #6.
** Attachment added: "make.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1570780/+attachment/4639432/+files/make.log
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
** Tags added: kernel-bug-exists-upstream
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You received this
Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.6
If I select the external monitor as only used display, things work (up
to now).
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https://bugs.launchpad.net/bugs/1570780
Title:
External Monitor makes System with Ubuntu
Things are getting a little better if I install:
- Intel Graphics Installer for Linux* 1.4.0, from here
https://01.org/linuxgraphics/downloads
- The mainline kernel form here
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.6-rc3-wily/
The I can see the external display in System
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