This bug was fixed in the package unity-settings-daemon -
15.04.1+17.04.20170328-0ubuntu1
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unity-settings-daemon (15.04.1+17.04.20170328-0ubuntu1) zesty; urgency=medium
[ Chris Coulson ]
* Filter out outputs that don't have any corresponding CRTCs or modes.
(LP: #1542699)
Related bileto ticket in-progress:
https://bileto.ubuntu.com/#/ticket/2657
** Changed in: unity-settings-daemon (Ubuntu)
Status: Confirmed => In Progress
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Will be sponsoring this through Bileto once the currently in-progress
unity-settings-daemon ticket gets released.
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https://bugs.launchpad.net/bugs/1542699
Title:
unity-settings-daemon
Forgot to mention, I tried 3 different NVidia drivers, 340, 361 & 367.
All exhibit the same issue. Also note that this started happening after
my upgrade from 15.10 to 16.04. The driver worked fine under 15.10, I
was able to use the external monitor under the NVidia driver and Unity
did not crash.
Dell 7510 Laptop, M1000M NVidia Video, Intel Video
This happens to me under the following conditions.
1. Using NVidia driver only. This does not happen when using the Intel Prime
profile.
2. Only when I plug in an external monitor into the mini displayport. If I boot
up without the monitor
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: unity-settings-daemon (Ubuntu)
Status: New => Confirmed
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Yes I am using the Nvidia 361.42 (proprietary, tested). I was trying to
get either HDMI and Displayport or HDMI and VGA working simultaneously,
but was unable to do so. When trying to open display settings the entire
system settings window would crash.
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** Branch linked: lp:~chrisccoulson/unity-settings-daemon/lp1542699
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https://bugs.launchpad.net/bugs/1542699
Title:
unity-settings-daemon crashed with SIGABRT in g_assertion_message()
I'm seeing the same issue. What appears to be happening is that there
are multiple outputs with the same name, but with different properties.
After breaking in gsd_rr_config_match at the end of
gsd_rr_config_load_current:
(gdb) p c1->priv->outputs[9]->priv->name
$54 = 0x1b3b370 "DP-3"
(gdb) p
