Bug#795384: mate-control-center: can only use mirror with two monitors

[Francesco Potortì]

[ rant moved below to concentrate on the important things ]

>FFS, do you really think we maintainers wouldn't notice such apparent
>bugs like applications crashing immediately under normaö conditions?

The latest version of mate-control-center DOES NOT CRASH.  The problem
is the application is *not able to detect the monitor properties* and is
*not able to save* the manually-defined properties.  My bug report
contains a detailed description (from a user's point of view).

The version that crashes for me is the one in testing, which is supposed
to be stable enough but is not for me.  Should I report the crash
against 1.8.3 or is it unnecessary?

[ end of important things, rant follows moved from above ]

>Can you please stop reporting bugs while we are currently working on
>uploading MATE 1.10?

I just sent one, and I have no idea what you are working on.  While I
and others are grateful for your work, I certainly do not follow it
closely enough to know what you are doing :)

>This is currently work-in-progress and hence bugs are to be
>expected. It's called "unstable" for a reason and you should refrain
>from using it unlesd you can fix such issues yourself.

I expect them and I am willing to report those, hoping that it's useful
for you to know.  If it is not, just ignore them, but I think you'd
better read them before discarding them...

>Those bugs reports are an annoyance and completely unnecessary.

I think you are wrong, but thanks for your work anyway.

>End of rant.
>
>Adrian
>
>> On Aug 13, 2015, at 5:09 PM, Francesco Potortì <Potorti at isti.cnr.it> wrote:
>> 
>> Package: mate-control-center
>> Version: 1.10.1+dfsg1-1~exp1
>> Severity: normal
>> 
>> While version 1.8.3 of mate-display-properties crashed as soon as
>> called, this version does not crash.  However, the problem persists: I
>> cannot use any more my two-monitor config.
>> 
>> When mate-display-properties is called, it shows two monitors, but
>> apparently cannot detect their properties and proposes a mirror conf.
>> When forced to use both, and the different resolutions are manually set,
>> nothing happnes even after pressing the Apply button.  Moreover, if I
>> press the Make default button, it says 
>> 
>> Error creating textual authentication agent: Error opening current
>> controlling terminal for the process (`/dev/tty'): No such device or
>> address
>> 
>> The latter error also happens when detaching the second monitor and
>> using one only (as I am forced to do now).
>> 
>> 
>> -- System Information:
>> Debian Release: stretch/sid
>>  APT prefers testing
>>  APT policy: (990, 'testing'), (500, 'testing-proposed-updates'), (101, 'unstable')
>> Architecture: amd64 (x86_64)
>> Foreign Architectures: i386
>> 
>> Kernel: Linux 3.12-1-amd64 (SMP w/4 CPU cores)
>> Locale: LANG=en_US.UTF-8, LC_CTYPE=it_IT.UTF-8 (charmap=UTF-8)
>> Shell: /bin/sh linked to /bin/dash
>> Init: systemd (via /run/systemd/system)
>> 
>> Versions of packages mate-control-center depends on:
>> ii  caja-common                 1.8.2-4
>> ii  desktop-file-utils          0.22-1
>> ii  gsettings-desktop-schemas   3.16.1-1
>> ii  libatk1.0-0                 2.16.0-2
>> ii  libc6                       2.19-19
>> ii  libcairo2                   1.14.2-2
>> ii  libcanberra-gtk0            0.30-2.1
>> ii  libcanberra0                0.30-2.1
>> ii  libdbus-1-3                 1.8.20-1
>> ii  libdbus-glib-1-2            0.102-1
>> ii  libdconf1                   0.24.0-2
>> ii  libfontconfig1              2.11.0-6.3
>> ii  libfreetype6                2.5.2-4
>> ii  libgdk-pixbuf2.0-0          2.31.5-1
>> ii  libglib2.0-0                2.44.1-1.1
>> ii  libglib2.0-bin              2.44.1-1.1
>> ii  libgtk2.0-0                 2.24.28-1
>> ii  libice6                     2:1.0.9-1+b1
>> ii  libmarco-private0           1.8.3+dfsg1-4+b1
>> ii  libmate-desktop-2-17        1.10.1-1
>> ii  libmate-menu2               1.8.0-5
>> ii  libmate-slab0               1.10.1+dfsg1-1~exp1
>> ii  libmate-window-settings1    1.10.1+dfsg1-1~exp1
>> ii  libmatekbd4                 1.10.0-1
>> ii  libpango-1.0-0              1.36.8-3
>> ii  libpangocairo-1.0-0         1.36.8-3
>> ii  libpangoft2-1.0-0           1.36.8-3
>> ii  libsm6                      2:1.2.2-1+b1
>> ii  libstartup-notification0    0.12-4
>> ii  libunique-1.0-0             1.1.6-5
>> ii  libx11-6                    2:1.6.3-1
>> ii  libxcursor1                 1:1.1.14-1+b1
>> ii  libxext6                    2:1.3.3-1
>> ii  libxft2                     2.3.2-1
>> ii  libxi6                      2:1.7.4-1+b2
>> ii  libxklavier16               5.2.1-1
>> ii  libxml2                     2.9.1+dfsg1-5
>> ii  libxss1                     1:1.2.2-1
>> ii  marco-common                1.8.3+dfsg1-4
>> ii  mate-control-center-common  1.10.1+dfsg1-1~exp1
>> ii  mate-desktop                1.10.1-1
>> ii  mate-icon-theme             1.10.1-1
>> ii  mate-menus                  1.8.0-5
>> ii  mate-settings-daemon        1.8.3-3
>> 
>> mate-control-center recommends no packages.
>> 
>> Versions of packages mate-control-center suggests:
>> ii  gconf2  3.2.6-3
>> 
>> -- no debconf information
>> 
>> _______________________________________________
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>