From: nospam@needed.invalid   
      
   On Mon, 3/31/2025 4:39 AM, Paul wrote:   
   > On Mon, 3/31/2025 3:27 AM, Davey wrote:   
   >> Booted up this morning, Ubuntu 22.04, In was using Firefox last night   
   >> until I went to bed. This morning, all I could get was the spinning   
   >> wheel, then nothing. Repeatedly.   
   >> Tried 'firefox' from the command line, was told it didn't exist, but   
   >> could be installed by 'sudo apt install firefox'.   
   >> So what happened to the previous version?   
   >> It installed firefox snapd, and luckily, all my previous tabs are still   
   >> there.   
   >> But the terminal shows unhappiness:   
   >> 08:15:47.118: Not loading module "atk-bridge": The functionality is   
   >> provided by GTK natively. Please try to not load it. libva info: VA-API   
   >> version 1.20.0 libva info: Trying to open   
   >> /snap/firefox/5917/gnome-platform/usr/lib/x86_64-linux-gnu/dr   
   /iHD_drv_video.so   
   >> libva info: Found init function __vaDriverInit_1_20 libva info:   
   >> va_openDriver() returns 0 ^CExiting due to channel error.   
   >> Exiting due to channel error.   
   >> Exiting due to channel error.   
   >> Exiting due to channel error.   
   >> Exiting due to channel error.   
   >>   
   >> It did not finish the installation on its own, it left it hanging at   
   >> 'Exiting due to channel error'.The 'unhappiness' means nothing to me.   
   >> Channel error? Who he?   
   >>   
   >   
   > It could be that the line:   
   >   
   > /snap/firefox/5917/gnome-platform/usr/lib/x86_64-linux-gnu/dri   
   iHD_drv_video.so   
   >   
   > is erroneous. The software doing that, may be trying iHD first, in preference   
   > to i965. Something like this before running it, may cause the driver   
   > logic to stop trying iHD at all, and trying the driver your hardware   
   > really uses.   
   >   
   >    export LIBVA_DRIVER_NAME=i965   
   >   
   > A person doing that, was getting this from inxi -F. And in their   
   > opinion, the i965 would be a better choice than iHD.   
   >   
   > Graphics:   
   >   Device-1: Intel 3rd Gen Core processor Graphics vendor: Hewlett-Packard   
   >   driver: i915 v: kernel bus ID: 00:02.0 chip ID: 8086:0166   
   >   Display: x11 server: X.Org 1.20.9 compositor: compton driver: intel   
   >   unloaded: modesetting alternate: fbdev,vesa display ID: :0.0 screens: 1   
   >   Screen-1: 0 s-res: 1366x768 s-dpi: 99 s-size: 352x198mm (13.9x7.8")   
   >   s-diag: 404mm (15.9")   
   >   Monitor-1: LVDS1 res: 1366x768 hz: 60 dpi: 112 size: 310x170mm (12.2x6.7")   
   >   diag: 354mm (13.9")   
   >   OpenGL: renderer: Mesa DRI Intel HD Graphics 4000 (IVB GT2)   
   >   v: 4.2 Mesa 20.1.8 compat-v: 3.0 direct render: Yes   
   >   
   > What is supposed to happen, apparently, is some piece of code tries   
   > iHD first, and when that fails, it is supposed to try i965. Doing the   
   > Export above, tries to get it to use the second one immediately.   
   >   
   > *******   
   >   
   > At some previous point in time, hardware acceleration was broken,   
   > and Firefox users frequently had to find some preference (Configuration   
   Editor?)   
   > to turn off hardware acceleration. Then it should stop trying for things   
   > like the item above. If you can't get Firefox open, you can look for   
   > prefs.js and edit with a text editor (that's the file that corresponds   
   > to Configuration Editor).   
   >   
   > The reason you might want it to use vaapi, is to reduce the loading on   
   > the CPU, when playing a video. It's really hard on the CPU, to have   
   > all the graphics operations go to fallback code. You need like a quad core,   
   > to keep up.   
   >   
   >   Paul   
   >   
      
   This example, shows what happens when the graphics hardware is too new.   
   At least we get to see the calls being made, in this example.   
      
   https://discourse.ubuntu.com/t/problems-with-intel-iris-xe-gpu-h   
   rdware-video-acceleration-in-22-04/34849   
      
   $ vainfo   
   libva info: VA-API version 1.14.0   
   libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so   
   libva info: Found init function __vaDriverInit_1_14   
   libva error: /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so init failed   
   libva info: va_openDriver() returns 1   
   libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so   
   libva info: Found init function __vaDriverInit_1_10   
   libva error: /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so init failed   
   libva info: va_openDriver() returns -1   
   vaInitialize failed with error code -1 (unknown libva error),exit   
      
      Paul   
      
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