Cairo-compmgr corrupts second monitor

Hey all,
I just set up openbox with cairo-compmgr, and it works great when I'm just using my laptop screen... however when I enable my secondary 22" monitor, the second display is "corrupted." What I see is similar to the ie6 effect. I've tried both cairo-compmgr 0.3.0 from community and the git version from AUR.
Both displays works fine with xcompmgr, but I'd prefer cairo-compmgr because I like its plugins. Any suggestions?
Thanks!
Edit: Okay, I just checked, and if I set a wallpaper with xsetroot or feh after starting cairo-compmgr, this doesn't happen. So it seems to be caused because there is no background set on the root window?
Edit 2: Also, when I go from two monitors to one, the screen goes black except for my mouse cursor. I can't see any windows, and nothing will show over the black except the cursor. Again, with xcompmgr, everything is fine when hotplugging monitors.
Last edited by sargk (2010-10-12 03:01:27)

Welcome to the Arch forums zeroplayer. A lot of water has passed under the bridge and changes since this nearly 3 year old thread was posted. Please read our forum etiquette in regard to awakening the dead: https://wiki.archlinux.org/index.php/Fo … Bumping.22
Closing.

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0.000050: Error on load /usr/lib/cairo-compmgr/libccm_clone.so : /usr/lib/cairo-compmgr/libccm_clone.so: undefined symbol: vala_collection_object_unref
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Hi,
try using cairo-compmgr-git, no more of these message errors, but there are still bugs when minimizing or closing windows (a part of the border stays stucked as an image), as here
Scriptor

Low Resolution on Second Monitor

I have a dual-monitor setup, running on a NVIDIA GTX 970 graphics card using the proprietary driver. The second monitor is only allowing me to set the resolution to 800x600, however it should support 1920x1080. I just removed Windows and installed Arch, but before while using Windows both monitors were correctly set to 1920x1080. I did some searching online, but it seemed as though most of the answers were that there was a bad cable. However, since this exact setup works fine in Windows, the cable should not be the issue.
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[ 120.965] (WW) NVIDIA(GPU-0): The EDID read for display device DFP-4 is invalid:
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[ 120.965] (WW) NVIDIA(GPU-0): configuration option may be used to attempt using mode
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Is there any way to fix this issue, besides using the recommended "IgnoreEDIDChecksum" configuration? Setting that option does fix the issue, but the warning about damaging the hardware worries me. Thanks for any help!
Here is a paste of the Xorg log: http://pastie.org/private/f5wmxbsjc47mxjdqlxlsuw
Here is my Xorg.conf:
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig: version 346.59 (buildmeister@swio-display-x86-rhel47-04) Tue Mar 31 14:42:07 PDT 2015
Section "ServerLayout"
Identifier "Layout0"
Screen 0 "Screen0"
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Mouse0" "CorePointer"
EndSection
Section "Files"
EndSection
Section "InputDevice"
# generated from default
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/psaux"
Option "Emulate3Buttons" "no"
Option "ZAxisMapping" "4 5"
EndSection
Section "InputDevice"
# generated from default
Identifier "Keyboard0"
Driver "kbd"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "Unknown"
ModelName "Unknown"
HorizSync 28.0 - 33.0
VertRefresh 43.0 - 72.0
Option "DPMS"
EndSection
Section "Device"
Identifier "Device0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
DefaultDepth 24
SubSection "Display"
Depth 24
EndSubSection
EndSection
Last edited by nicksmaddog (2015-04-21 03:36:54)

Thanks for the reply. I tried following those commands, with the following result:
➜ ~ cvt 1920 1080
# 1920x1080 59.96 Hz (CVT 2.07M9) hsync: 67.16 kHz; pclk: 173.00 MHz
Modeline "1920x1080_60.00" 173.00 1920 2048 2248 2576 1080 1083 1088 1120 -hsync +vsync
➜ ~ sudo xrandr --newmode "1920x1080_60.00" 173.00 1920 2048 2248 2576 1080 1083 1088 1120 -hsync +vsync
➜ ~ sudo xrandr --addmode DVI-D-0 1920x1080_60.00
X Error of failed request: BadMatch (invalid parameter attributes)
Major opcode of failed request: 140 (RANDR)
Minor opcode of failed request: 18 (RRAddOutputMode)
Serial number of failed request: 43
Current serial number in output stream: 44
Also, this is the output when running xrandr if it provides any additional information:
➜ ~ xrandr
Screen 0: minimum 8 x 8, current 2720 x 1080, maximum 16384 x 16384
DVI-I-0 disconnected (normal left inverted right x axis y axis)
DVI-I-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 510mm x 287mm
1920x1080 60.00*+
1680x1050 59.95
1440x900 59.89
1280x1024 60.02
1280x800 59.81
1152x864 75.00
1024x768 70.07 60.00
800x600 60.32 56.25
640x480 59.94
HDMI-0 disconnected (normal left inverted right x axis y axis)
DP-0 disconnected (normal left inverted right x axis y axis)
DP-1 disconnected (normal left inverted right x axis y axis)
DVI-D-0 connected 800x600+1920+0 (normal left inverted right x axis y axis) 0mm x 0mm
800x600 60.32*+
Unknown-0 disconnected (normal left inverted right x axis y axis)
1920x1080_60.00 (0x1ea) 173.000MHz
h: width 1920 start 2048 end 2248 total 2576 skew 0 clock 67.16KHz
v: height 1080 start 1083 end 1088 total 1120 clock 59.96Hz

Openbox - Conky stays on top due to Cairo Compmgr

My conky stays on top due to Cairo Compmgr. I know that cause when I disable Cairo Compmgr, Conky runs without problems.
This is my conkyrc
own_window yes
own_window_transparent yes
own_window_argb_visual yes
own_window_type override
on_bottom yes
own_window_class conky-semi
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use_xft yes
xftfont Droid Sans:size=8
xftalpha 0.8
text_buffer_size 2048
# Update interval in seconds
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# This is the number of times Conky will update before quitting.
# Set to zero to run forever.
total_run_times 0
# Create own window instead of using desktop (required in nautilus)
own_window yes
own_window_transparent yes
own_window_type override
#own_window_hints undecorated,below,sticky,skip_taskbar,skip_pager
# Use double buffering (reduces flicker, may not work for everyone)
double_buffer yes
# Minimum size of text area
minimum_size 180 0
maximum_width 280
# Draw shades?
draw_shades no
# Draw outlines?
draw_outline no
# Draw borders around text
draw_borders no
# Stippled borders?
stippled_borders 0
# border margins
border_margin 5
# border width
border_width 1
# Default colors and also border colors
default_color white
default_shade_color black
#default_outline_color white
own_window_colour white
# Text alignment, other possible values are commented
#alignment top_left
alignment top_right
#alignment bottom_left
#alignment bottom_right
# Gap between borders of screen and text
# same thing as passing -x at command line
gap_x 20
gap_y 10
# Subtract file system buffers from used memory?
no_buffers yes
# set to yes if you want all text to be in uppercase
uppercase no
# number of cpu samples to average
# set to 1 to disable averaging
cpu_avg_samples 2
# number of net samples to average
# set to 1 to disable averaging
net_avg_samples 2
# Force UTF8? note that UTF8 support required XFT
override_utf8_locale yes
# Add spaces to keep things from moving about? This only affects certain objects.
use_spacer none
TEXT
$nodename
System ${hr 2}
Kernel: ${alignr}${kernel}
Uptime: ${alignr}${uptime}
CPU1: ${cpu cpu0}% ${alignr}${cpubar cpu0 8,60}
CPU2: ${cpu cpu1}% ${alignr}${cpubar cpu1 8,60}
CPU3: ${cpu cpu2}% ${alignr}${cpubar cpu2 8,60}
CPU4: ${cpu cpu3}% ${alignr}${cpubar cpu3 8,60}
${color white}${cpugraph cpu0 32,309 000000 7f8ed3}
RAM: $memperc% ${alignr}${membar 8,60}
SWAP: $swapperc% ${alignr}${swapbar 8,60}
HD ${hr 2}
${voffset 0}Root:
${voffset 0}${fs_free /}/${fs_size /} ${alignr}${fs_bar 8,60 /}
${voffset 0}Home:
${voffset 0}${fs_free /home}/${fs_size /home} ${alignr}${fs_bar 8,60 /home}
${voffset 0}OptimusPrime:
${voffset 0}${fs_free /media/OptimusPrime}/${fs_size /media/OptimusPrime} ${alignr}${fs_bar 8,60 /home}
${voffset 0}Megatron:
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${color white}Top Processes ${hr 2}
${color white}Name PID CPU% MEM%
$color ${top name 1}${alignr}${top pid 1} ${top cpu 1} ${top mem 1}
$color ${top name 2}${alignr}${top pid 2} ${top cpu 2} ${top mem 2}
$color ${top name 3}${alignr}${top pid 3} ${top cpu 3} ${top mem 3}
$color ${top name 4}${alignr}${top pid 4} ${top cpu 4} ${top mem 4}
${color white}Mem Usage
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$color ${top_mem name 2} ${alignr}${top_mem pid 2} ${alignr}${top_mem cpu 2} ${alignr}${top_mem mem 2}
$color ${top_mem name 3} ${alignr}${top_mem pid 3} ${alignr}${top_mem cpu 3} ${alignr}${top_mem mem 3}
$color ${top_mem name 4} ${alignr}${top_mem pid 4} ${alignr}${top_mem cpu 4} ${alignr}${top_mem mem 4}
${color white}Ports${hr 2}
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${color white}Inbound Connection ${alignr} Local Service/Port$color
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${tcp_portmon 1 32767 rhost 1} ${alignr} ${tcp_portmon 1 32767 lservice 1}
${tcp_portmon 1 32767 rhost 2} ${alignr} ${tcp_portmon 1 32767 lservice 2}
${color white}Outbound Connection ${alignr} Remote Service/Port$color
${tcp_portmon 32768 61000 rhost 0} ${alignr} ${tcp_portmon 32768 61000 rservice 0}
${tcp_portmon 32768 61000 rhost 1} ${alignr} ${tcp_portmon 32768 61000 rservice 1}
${tcp_portmon 32768 61000 rhost 2} ${alignr} ${tcp_portmon 32768 61000 rservice 2}
${tcp_portmon 32768 61000 rhost 3} ${alignr} ${tcp_portmon 32768 61000 rservice 3}
${tcp_portmon 32768 61000 rhost 4} ${alignr} ${tcp_portmon 32768 61000 rservice 4}
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Any ideas for how to fix this?
Thank you!

I'm using xcompmgr which seems to be much faster than cairo-compmgr and I don't t have this problem.
Having said that, here is the relevant portion from my .conkyrc:
own_window yes
own_window_type override
own_window_hints below
own_window_argb_value 100
Last edited by oboedad55 (2011-11-08 22:46:06)

Cairo-compmgr preferences wont appear

I am running xfce4 with openbox as my WM and cairo-compmgr for compositing. To enable cairo-compmgr i have it in my ~/.config/openbox/autostart file as
cairo-compmgr &
Compositing does work, but there is no icon in the xfce4 panel's system tray. The only way i get the icon to appear is by going into the menu and selecing "Cairo Composite Manager." I then attempt to edit the preferences by right clicking and clicking on "prefrences" but the window opens for a split second the dissappears.
Any idea why this happens? I have also tried loading cairo-compmgr by putting "cairo-compmgr &" right after "exec ck-launch-session startxfce4" in my ~/.xinitrc
When done this way, compositing is also enabled, but the icon doesn't appear at all, even when I select it in my applications menu.

Try the proprietary Nvidia driver if you use Nouveau and vice-versa (Nouveau if you use the proprietary driver).
Also, it could be because you didn't disable the compositing effects from Xfce.
Last edited by DSpider (2012-06-30 11:51:32)

[Openbox]xcompmgr(flickers) and cairo-compmgr(bug opera)

Godd evening,
I am facing problems with xcompmgr-git and cairo-compmgr under openbox.
Let's start with xcompmgr-git:
-flickers(the desktop) when I minimize, enlarge or close a window
used command-line
xcompmgr -cCfF -t-5 -l-5 -r4.2 -o.55 -D6
here's the output in a terminal:
error 8: BadMatch (invalid paramter attributes) request 156 minor 6 serial 2325
error 9: BadDrawable (invalid Pixmap or Window parmater) request 153 minor 4 serial 2326
error 4: BadPixmap (invalid Pixmap Pixmap parameter) request 54 minor 0 serial 2357
Now here's cairo-compmgr
-At first sight everything looks normal(so no flickering), except that I have a bug with opera(I would like to precise that it also does that with xcompmgr enabled):
without cairo-compmgr or xcompmgr: here
with cairo-compmgr or xcompmgr: here
-And there's also an error message with cairo-compmgr:
Error on load /usr/lib/cairo-compmgr/libccm_clone.so : /usr/lib/cairo-compmgr/libccm_clone.so: undefined symbol: vala_collection_object_unref
And in order to help you out here's my /etc/X11/xorg.conf:
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig: version 260.19.44 ([email protected]) Sun Feb 27 22:59:57 PST 2011
Section "ServerLayout"
Identifier "Layout0"
Screen 0 "Screen0"
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Mouse0" "CorePointer"
EndSection
Section "Files"
EndSection
Section "InputDevice"
# generated from default
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/psaux"
Option "Emulate3Buttons" "no"
Option "ZAxisMapping" "4 5"
EndSection
Section "InputDevice"
# generated from default
Identifier "Keyboard0"
Driver "kbd"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "Unknown"
ModelName "Unknown"
HorizSync 28.0 - 33.0
VertRefresh 43.0 - 72.0
Option "DPMS"
EndSection
Section "Device"
Identifier "Device0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
Option "NoLogo" "1"
Option "TripleBuffer" "1"
Option "RenderAccel" "1"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
DefaultDepth 24
SubSection "Display"
Depth 24
EndSubSection
EndSection
Thanks for any response
[Edit]Other bug with cairo-compmgr: here[/Edit]
Scriptor
Last edited by Scriptor (2011-03-21 20:44:48)

Thanks shwick.
Not affected by the bug. With or without background, no transparency.
Plus the bug appears in compiz, which is fully operationnal on me, even for transparency.
And there's no reason for other application, like xterm, to have the same problem
I tested with the patch, but no change.
Tryied on fluxbox too. Didn't work
I wonder if it comes from my drivers or my xorg configuration... anything like this...

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How can i use my smart TV as a second monitor for my Power mac (2010) via HDMI cable? i've made the connection but no options show in system prefs display.

How can i use my smart TV as a second monitor for my Power mac (2010) via HDMI cable? i've made the connection but no options show in system prefs display.
the computer:Mac Pro, Mac OS X (10.9.5), 2 x 2.66 Ghz 6-Core intel Xeon
the TV: LG Smart tv

The Mac uses a highly-parameterized universal Driver for every display. The parameters are set at certain times when a query is sent to your display. The display MUST answer with its name and capabilities, or the screen stays dark. A TV set that is off or "not paying attention" because it is set to a different port when the query occurs will rarely answer, and so will often remain dark.
You can use tools in the System Report to see whether your display has been detected at all. If it has, the report will look something like this, but its name will appear:
The times when the query is sent are:
• at Startup
• at wake from sleep
• when the Mac-end of the cable is inserted
• when using the Option ( Detect Displays ) button in displays preferences

Is it possible to use my ipad 4 as a second monitor through a USB connection.

Is it possible to use my ipad 4 as a second monitor through a USB connection.

perhaps, but my information was current. I had the same question and was looking for and answer and found it. So I responded in order to help others who found this question and were looking for an answer. This community is made more helpful and kept current by adding new answers with current information.
imobl... air display was a valid response for 2011 predating the question. Also using Monitor2go was valid in 2012. There were USB mirroring and as a 2nd display for an iPad options at the time the original question was asked.

Cairo-compmgr corrupts second monitor

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