Blender 3.5 Fails to Launch Through Steam #107385
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Reference: blender/blender#107385
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System Information
Operating system: Linux-5.19.0-38-generic-x86_64-with-glibc2.35 64 Bits
Graphics card: NVIDIA GeForce RTX 2060/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 515.105.01
Blender Version
Broken: version: 3.5.1, branch: blender-v3.5-release, commit date: 2023-04-24 18:11, hash:
e1ccd9d4a1d3
Worked: (newest version of Blender that worked as expected)
Short description of error
Since 3.5.1 Blender won't launch through steam, but will launch manually. On the steam forums it seems other people using 3.5 have had the same issue. The issue is not present in 3.4.
Error Log:
Exact steps for others to reproduce the error
[Please describe the exact steps needed to reproduce the issue]
[Based on the default startup or an attached .blend file (as simple as possible)]
Do you have the
LD_LIBRARY_PATH
environment variable set? Maybe pointing to a directory that contains alibtbb.so
?We now dynamically link to various libraries, and this might be a conflict with a TBB library installed elsewhere. If
LD_LIBRARY_PATH
contains a system directory like/usr/lib
, that is typically unnecessary.If this is the issue, we can make it so Blender links to a specific
.so.version
file instead of the.so
file. That would still not guarantee the Blender version of this library to be used, but will likely avoid the conflict.@brecht no I don't think it is set on my system.
I don't know what steam linux runtime is but enabling it lets blender launch through steam. Although now my gpu is not being detected. 😐
Using the runtime isolates it from your regular system libraries, which sidesteps the problem. But indeed that can cause other problems like system libraries for GPU rendering not being detected.
There is probably still something specific to your system or Linux distribution that leads to this conflict, it would be good to figure out where that is.
libtbb.so
file on your system outside of Blender, and if so in which location(s)?I have libtbb.so in /usr/lib
the release from blender.org/download/ works without issues. Also executing the steam release from the file manager works without issue.
I renamed my libtbb in /usr/lib and copied over the one from blender/lib and then I was able to launch from steam. I'm gonna undo this change because I don't know how it will affect my system.
Hope this helps.
While the PR made for this issue may have helped at the time, I found that the same or a highly related problem still exists today on the latest alpha (
cc5f666672
). Also, while #107362 hasn't provided enough information to be certain, I have a strong suspicion that it is related, so I might as well point it out.Even when not using the "Steam Linux Runtime" compatibility tool, Steam does still end up launching the process does wrapped in its own runtime libs. You can see this by setting Blender's launch options in Steam to
env; %command%
. On my system, Steam overridesLD_LIBRARY_PATH
to use various folders in~/.local/share/Steam/ubuntu12_32/steam-runtime
, of which at least one contains alibtbb.so.2
file.Setting the launch options to
LD_LIBRARY_PATH='' %command%
is enough of a workaround to get Blender running again, but I have no idea how to fix this in a less hacky way for all users.With the latest changes this should now be fixed for all versions on Steam, including 3.5, 3.6 and 4.0.