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| Increase Screensavers FPS |
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Posted by: jholz88 - 12-03-2019, 01:57 PM - Forum: General Discussion on Pinebook Pro
- No Replies
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I've been attempting to improve the performance of screensavers on my Pinebook Pro, but I need some help.
OS: Ubuntu Mate Bionic (ayufan)
Screensaver: GLMatrix (xscreensaver-gl)
Default Settings: (/usr/lib/xscreensaver/glmatrix -fps)
8-10 FPS
70-75% CPU
Current Settings: (/usr/bin/gl4es /usr/lib/xscreensaver/gl4matrix -fps)
14-20 FPS
45-55% CPU
I created the following bash script in ~/.local/lib/xscreensaver named "glesmatrix" and made it executable (chmod +x ./glesmatrix)
Code: #!/usr/bin/env bash
set -e
/usr/bin/gl4es /usr/lib/xscreensaver/glmatrix ${@}
I copied /usr/share/applications/screensavers/glmatrix.desktop to ~/.local/share/applications/screensavers/glesmatrix.desktop and modified it as follows.
Code: [Desktop Entry]
Name=GLESMatrix
Exec=/home/jholz88/.local/lib/xscreensaver/glesmatrix -fps -root
;TryExec=/usr/lib/xscreensaver/glmatrix
Comment=Draws 3D dropping characters similar to what is seen in the title sequence of "The Matrix". See also "xmatrix" for a 2D rendering of the similar effect that appeared on the computer monitors actually *in* the movie. Written by Jamie Zawinski.
StartupNotify=false
Terminal=false
Type=Application
Categories=Screensaver;
OnlyShowIn=MATE;
This is where I'm stuck. The new GLESMatrix entry shows up in mate-screensaver-preferences, but fails to start the screensaver in the preview window.
Things I've Tried:
* Killing mate-screensaver and re-running it with --debug.
No dice.
* Change Exec= to "env LD_LIBRARY_PATH=usr/lib/arm-linux-gnueabihf/gl4es /usr/lib/xscreensaver/glmatrix -fps -root"
Nah ah ah. You didn't say the magic word.
* Exported LD_LIBRARY_PATH=/usr/lib/arm-linux-gnueabihf/gl4es
I have come here to chew bubblegum and kick ass…and I'm all out of bubblegum.
So yea, if anyone could help me figure this out I'd be much appreciated. It would apparently 2x the performance and 1/2 the CPU usage. Not to mention saving battery life.
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| Bricked PBP after writing image to eMMC? |
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Posted by: wvdschel - 12-03-2019, 09:49 AM - Forum: Linux on Pinebook Pro
- Replies (20)
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Hi all,
I got my PBP yesterday and I tried flashing it with a few images to see which one works best for me.
I tried the updated Debian one from mrfixit, but that ended up having broken (?) Mali drivers.
I decided to give ayufan's Ubuntu bionic images a shot next. However, after flashing the LXDE image, it seems like I can no longer boot.
I was running Debian from SD and flashed the Ubuntu from that one, but now I am greeted with an orange led & unlit screen when booting without an SD card.
When I put the SD card back in, the power LED turns green after a while, and flickers for a time indicating disk activity, but the screen also stays black.
Anyone else had this problem? What can I do to resolve this?
Edit: just tried logging in after booting from SD, and it seems like that's working, apart from not having any display output or backlight. I'm going to try the eMMC image next, see what happens.
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| Wrong keyboard Lay-out in Login and terminal |
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Posted by: Firedevil79 - 12-03-2019, 08:33 AM - Forum: General Discussion on Pinebook Pro
- Replies (1)
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Dear all,
I do have the ISO Version (UK Lay-out)
I just recognized the default Debian image set up the keyboard for login
Screen to US (in graphical login)
I was able to fix this by setting /etc/default/keyboard
XKBLAYOUT=„gb“
Now the graphical login accepts the korrekt keymapping
Unfortunately the console (ctrl-alt-f1) is still at default US layout
I tried to modify / create /etc/vconsole.conf and setting there
KEYMAP=gb
But there is no change.
Does anybody know where I should modify?
Thx
Jens
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| Upgrade Debian kernel on a SD/SATA drive boot combo. |
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Posted by: linuxha - 12-03-2019, 01:57 AM - Forum: Linux on RockPro64
- Replies (6)
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I currently have:
Linux taz 4.4.132-1075-rockchip-ayufan-ga83beded8524 #1 SMP Thu Jul 26 08:22:22 UTC 2018 aarch64 GNU/Linux
Debian 9
Root is on sda2
Boot is on the sd card (/dev/mmcblk0p*)
I am trying to upgrade it to a later release so I can get fan control (I have no pwm device). I've used aptitude to jump to 5.4.0-rc1-1120 but I don't seem to get it to reboot to it. I see a number of files on /boot (on the SD card) and I'm not sure if I need to change any of them (the efi is not something I've figured out yet).
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| Unable to set wifi regulatory region |
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Posted by: electriccrowbar - 12-03-2019, 12:04 AM - Forum: Linux on Pinebook Pro
- Replies (1)
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I'm not able to scan for or connect to several of my usual wifi networks (generally the higher numbers).
iw reg get showed I had an unset (00) region so I tried to set it and I don't seem to be able to. I'm using Manjaro pre-release 4 but have seen similar behavior on Debian.
I've tried a few different ways of setting my region but none have had worked.
- Setting region with iw reg set returns 0 but has no effect.
- Installing crda and setting my region via /etc/conf.d/wireless-regdom doesn't have an effect.
- Setting it manually in the module with echo "options cfg80211 ieee80211_regdom=US" | sudo tee /etc/modprobe.d/cfg80211.conf does at first appear to work when I check my region but I'm still not able to see any more channels.
I can work around this at home (at the cost of more congestion) by setting a lower channel, but when traveling i'm out of luck pretty often.
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