Debian Bug report logs - #842536
/usr/bin/xfce4-display-settings: resolution forgotten when monitor turned off-on

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: gabriel <descartavel1@gmail.com>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Subject: /usr/bin/xfce4-display-settings: resolution forgotten when monitor turned off-on

Date: Sun, 30 Oct 2016 00:43:51 -0700

Package: xfce4-settings
Version: 4.12.1-1
Severity: important
File: /usr/bin/xfce4-display-settings

Dear Maintainer,

using xfce (bug does not happen on kde or gnome), my monitor
settings reset to the auto settings (i.e. max resolution) every boot
and every time i turn my monitor off and on again. under kde or gnome
the resolution does reset after reboot, but gets restored to my prefered
one after (auto) login.

my monitor is a TV via hdmi, but it also hapens with a dell regular monitor via
displayport->dvi. i am using only a single monitor at a time always.

with the monitor it is less relevant because i (and mostly everyone) am
fine using it on the maximum resolution. But using a 4k tv, i would
rather to keep resolution at 720p. 

i do not have an xorg.conf file.

the bug happens when setting the resolution via:
- xfce4-display-settings
- xrandr (gui tools or command line)
- setting resolution in a kde or gnome session, logging out, login on a
  xcfe session and then turning monitor on and on

the monitor does support edid correctly.

if i select the checkbox "configure new displays when connected" then i
will have one instance of xfce4-display-settings for each time i turned
my tv on during that xfce session.



-- System Information:
Debian Release: stretch/sid
  APT prefers testing
  APT policy: (500, 'testing'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 4.7.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages xfce4-settings depends on:
ii  libc6                2.24-5
ii  libcairo2            1.14.6-1+b1
ii  libdbus-1-3          1.10.12-1
ii  libdbus-glib-1-2     0.108-1
ii  libexo-1-0           0.10.7-1
ii  libfontconfig1       2.11.0-6.7
ii  libgarcon-1-0        0.4.0-2
ii  libgarcon-common     0.4.0-2
ii  libgdk-pixbuf2.0-0   2.36.0-1
ii  libglib2.0-0         2.50.1-1
ii  libgtk2.0-0          2.24.31-1
ii  libnotify4           0.7.7-1
ii  libpango-1.0-0       1.40.3-2
ii  libpangocairo-1.0-0  1.40.3-2
ii  libupower-glib3      0.99.4-4
ii  libx11-6             2:1.6.3-1
ii  libxcursor1          1:1.1.14-1+b1
ii  libxfce4ui-1-0       4.12.1-2
ii  libxfce4util7        4.12.1-2
ii  libxfconf-0-2        4.12.0-3
ii  libxi6               2:1.7.6-1
ii  libxklavier16        5.4-2
ii  libxrandr2           2:1.5.0-1
ii  xfconf               4.12.0-3

Versions of packages xfce4-settings recommends:
ii  x11-utils  7.7+3

xfce4-settings suggests no packages.

-- no debconf information


decoded edid info from tv:

Extracted contents:
header:          00 ff ff ff ff ff ff 00
serial number:   4c 2d 44 0c 01 00 00 01 2a 18
version:         01 03
basic params:    80 79 44 78 0a
chroma info:     23 ad a4 54 4d 99 26 0f 47 4a
established:     bd ef 80
standard:        71 4f 81 c0 81 00 81 80 95 00 a9 c0 b3 00 01 01
descriptor 1:    04 74 00 30 f2 70 5a 80 b0 58 8a 00 50 1d 74 00 00 1e
descriptor 2:    02 3a 80 18 71 38 2d 40 58 2c 45 00 50 1d 74 00 00 1e
descriptor 3:    00 00 00 fd 00 18 4b 0f 51 1e 00 0a 20 20 20 20 20 20
descriptor 4:    00 00 00 fc 00 53 41 4d 53 55 4e 47 0a 20 20 20 20 20
extensions:      01
checksum:        cc

Manufacturer: SAM Model c44 Serial Number 16777217
Made week 42 of 2014
EDID version: 1.3
Digital display
Maximum image size: 121 cm x 68 cm
Gamma: 2.20
Supported color formats: RGB 4:4:4, YCrCb 4:2:2
First detailed timing is preferred timing
Established timings supported:
  720x400@70Hz
  640x480@60Hz
  640x480@67Hz
  640x480@72Hz
  640x480@75Hz
  800x600@60Hz
  800x600@72Hz
  800x600@75Hz
  832x624@75Hz
  1024x768@60Hz
  1024x768@70Hz
  1024x768@75Hz
  1280x1024@75Hz
  1152x870@75Hz
Standard timings supported:
  1152x864@75Hz
  1280x720@60Hz
  1280x800@60Hz
  1280x1024@60Hz
  1440x900@60Hz
  1600x900@60Hz
  1680x1050@60Hz
Detailed mode: Clock 297.000 MHz, 1872 mm x 1053 mm
               3840 4016 4104 4400 hborder 0
               2160 2168 2178 2250 vborder 0
               +hsync +vsync 
Detailed mode: Clock 148.500 MHz, 1872 mm x 1053 mm
               1920 2008 2052 2200 hborder 0
               1080 1084 1089 1125 vborder 0
               +hsync +vsync 
Monitor ranges (GTF): 24-75Hz V, 15-81kHz H, max dotclock 300MHz
Monitor name: SAMSUNG
Has 1 extension blocks
Checksum: 0xcc (valid)

CEA extension block
Extension version: 3
62 bytes of CEA data
  Video data block
    VIC 95 Unknown mode 
    VIC 16 1920x1080@60Hz 
    VIC 31 1920x1080@50Hz 
    VIC 04 1280x720@60Hz 
    VIC 19 1280x720@50Hz 
    VIC 05 1920x1080i@60Hz 
    VIC 20 1920x1080i@50Hz 
    VIC 32 1920x1080@24Hz 
    VIC 33 1920x1080@25Hz 
    VIC 34 1920x1080@30Hz 
    VIC 93 Unknown mode 
    VIC 94 Unknown mode 
    VIC 98 Unknown mode 
    VIC 99 Unknown mode 
    VIC 100 Unknown mode 
    VIC 07 1440x480i@60Hz 
    VIC 22 1440x576i@50Hz 
    VIC 03 720x480@60Hz 
    VIC 18 720x576@50Hz 
  Audio data block
    Linear PCM, max channels 1
    Supported sample rates (kHz): 48 44.1 32
    Supported sample sizes (bits): 24 20 16
    AC-3, max channels 5
    Supported sample rates (kHz): 48 44.1 32
    Maximum bit rate: 56 kHz
    DTS, max channels 5
    Supported sample rates (kHz): 48
    Maximum bit rate: 56 kHz
  Speaker allocation data block
  Extended tag: video capability data block
    YCbCr quantization: No Data (0)
    RGB quantization: No Data (0)
    PT scan behaviour: No Data (0)
    IT scan behaviour: Support both over- and underscan (3)
    CE scan behaviour: Support both over- and underscan (3)
  Vendor-specific data block, OUI 000c03 (HDMI)
    Source physical address 3.0.0.0
    Supports_AI
    DC_36bit
    DC_30bit
    DC_Y444
    Maximum TMDS clock: 300MHz
    Extended HDMI video details:
      Base EDID image size is in units of 1cm
      HDMI VIC 0 3840x2160@30Hz
      HDMI VIC 1 3840x2160@25Hz
      HDMI VIC 2 3840x2160@24Hz
      HDMI VIC 3 4096x2160@24Hz
  Extended tag: Reserved video block (06)
  Extended tag: Reserved video block (0e)
Underscans PC formats by default
Basic audio support
Supports YCbCr 4:4:4
Supports YCbCr 4:2:2
1 native detailed modes
Detailed mode: Clock 74.250 MHz, 1872 mm x 1053 mm
               1920 2448 2492 2640 hborder 0
                540  542  547  562 vborder 0
               +hsync +vsync interlaced 
Detailed mode: Clock 85.500 MHz, 1872 mm x 1053 mm
               1366 1436 1579 1792 hborder 0
                768  771  774  798 vborder 0
               +hsync +vsync 
Checksum: 0x93 (valid)

-- thank you,
gabriel

Message #10 received at 842536@bugs.debian.org (full text, mbox, reply):

From: Yves-Alexis Perez <corsac@debian.org>

To: gabriel <descartavel1@gmail.com>, 842536@bugs.debian.org

Subject: Re: [Pkg-xfce-devel] Bug#842536: /usr/bin/xfce4-display-settings: resolution forgotten when monitor turned off-on

Date: Sun, 30 Oct 2016 09:34:18 +0100

[Message part 1 (text/plain, inline)]

control: tag -1 unreproducible

On Sun, 2016-10-30 at 00:43 -0700, gabriel wrote:
> the bug happens when setting the resolution via:
> - xfce4-display-settings
> - xrandr (gui tools or command line)
> - setting resolution in a kde or gnome session, logging out, login on a
>   xcfe session and then turning monitor on and on

The xfce4-display-settings way should work (it does here). Any other method is
not relevant since Xfce has no way to know what you did.

You might want to check if the configuration is properly saved in xfconf:

xfconf-query -c displays -p /Default/HDMI1/Resolution
1920x1200

(assuming your HDMI output is called HDMI1, replace by the correct name).

Regards,
-- 
Yves-Alexis

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