Confirmed.
The problem is unity8 crashes/exits for the second user, right after:
[2017-03-16:09:39:09.588] QStandardPaths: XDG_RUNTIME_DIR not set, defaulting
to '/tmp/runtime-testuser'
[2017-03-16:09:39:09.588] qtmir.screens: ScreensModel::ScreensModel
[2017-03-16:09:39:09.589] QSocketNotifier: Can only be used with threads
started with QThread
[2017-03-16 09:39:09.592597] mirplatform: Found graphics driver: mir:mesa-kms
(version 0.26.1)
[2017-03-16 09:39:09.592630] mirplatform: Found graphics driver: mir:mesa-x11
(version 0.26.1)
[2017-03-16 09:39:09.592766] mirplatform: Found graphics driver:
mir:stub-graphics (version 0.26.1)
[2017-03-16 09:39:09.592775] mirplatform: Found graphics driver:
throw-on-creation (version 0.26.1)
[2017-03-16 09:39:09.593183] mirserver: Starting
[2017-03-16 09:39:09.607913] mirserver: Using nested cursor
[2017-03-16:09:39:09.608] qtmir.mir:
PromptSessionListener::PromptSessionListener - this=
PromptSessionListener(0x7fe14c16bc50)
[2017-03-16:09:39:09.608] qtmir.mir:
PromptSessionListener::~PromptSessionListener - this=
PromptSessionListener(0x7fe14c16bc50)
[2017-03-16:09:39:09.610] bind: Permission denied
Also confirmed the high CPU usage that follows. That's unity8-dash for
the second user continuously restarting (because there is no server for
it to connect to) -> bug 1578469
** Changed in: mir
Status: New => Incomplete
** Changed in: mir (Ubuntu)
Status: Confirmed => Incomplete
** Changed in: unity8 (Ubuntu)
Importance: Undecided => High
** Changed in: mir (Ubuntu)
Importance: Undecided => High
** Changed in: mir
Importance: Undecided => High
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https://bugs.launchpad.net/bugs/1673215
Title:
Second unity8 user session hangs with a black screen
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