Eureka - Davinci Resolve 19.1 working in a Ubuntu Mantic jail

Davinci Resolve 19.1 now working in a Ubuntu Mantic jail

i previously had Davinci Resolve 18.6 working in a jail
but i had to figure out a couple of fixes for 19.1

1 - using export LD_PRELOAD in the jails ~/.zshenv

Code:
export LD_PRELOAD="${HOME}"/.config/gpu/dummy-uvm.so:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0:/usr/lib/x86_64-linux-gnu/libgio-2.0.so:/usr/lib/x86_64-linux-gnu/libgmodule-2.0.so

2 - the other major problem was the render queue kept getting stuck
and would never complete

i figured out the issue was the Render speed setting which was set to maximum,
once i dropped the rate down to 10 the render completed

changing the render speed from maximum to 10
change the render time from 10 minutes to 20 minutes
but at least it worked

Note: you may need to adjust the Render speed, which can be found in the Render page in the file tab
the default Render speed is set to maximum, you may need to drop the value down to 10
depending on the amount of ram on your system

the issue seemed to be that rendering at maximum speed would spin up the fans
like there was a bottleneck somewhere and just freeze

the other setting is in the preference, ui settings
uncheck "Stop renders when a frame or clip cannot be processed"

I converted "Big Buck Bunny" to prores and imported it into Dacinci Resolve
and exported it using "DnxHD"

the video is 10 minutes long and took 20 minutes to export
with the Render speed set to 10

there were no dropped frames, artifacts or audio issues with the exported footage

i have updated the davinci-resolve-freebsd-jail git repo for Davinci Resolve 19.1



Render speed screenshot

20240921_20h16m32s_grim.png


UI Settings screenshot

20240921_20h16m43s_grim.png


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This is great news! Also following your Rocky installation, as you know.

I'm heavily involved in starting something up and wish I could read through all this and get it going for myself. I will. Just not now. Keep up the great work!
 
the issue with the render queue not finishing had me stumped for ages

rocky linux 9 doesnt have the i915 driver for some reason
which causes vaapi to fail

on rocky the davinci resolve splash screen crashes when it loads fusion
and i have never managed to actually get resolve to launch
 
rocky linux is supposed to have the i915 driver as a kernel module
but there isnt one on the system and its not loaded

not sure if im missing a package or something

it would be good to figure out how to get davinci resolve working with rocky linux
the official linux iso for davinci resolve is actually built on rocky linux

the reason is i cant get versions of ubuntu later than mantic to work in a jail
i tried installing the latest version of ubuntu ( noble numnuts ) using debootstrap and with a base tar file

neither worked due to errors about /proc and systemd files
 
Big Buck Bunny

original file size

Code:
-rw-r--r--  1 djwilcox djwilcox   73M 26 Jan  2024 bbb.mkv

converted to pro res ( because the free version of resolve on linux cant import or export h264 )

Code:
-rw-r--r--  1 djwilcox djwilcox  8.6G 20 Sep 22:20 bbb.mov

davinci resolve export as DNXHD
the latest version of resolve cant export as pro res without a paid dongle

Code:
-rw-rw-rw-   1 djwilcox djwilcox   12G 21 Sep 20:14 Timeline 1.mov

for a 10 minutes clip
with import and export that just over 20 gig disk space
 
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