Hello, I have been using 3D Slicer v4.10.2 on Ubuntu 20.04 without issue. After upgrading to Ubuntu 20.10, 3D Slicer fails at the splash screen. Are there critical libraries that might be missing between Ubuntu versions?

I would not recommend spending time with trying to make the old stable version work. Latest stable version contains so many fixes and improvements that even if you could make the old version work, you would need to switch to the new version for various other reasons. Is there anything specific that …

Do the extra installs listed here help? https://slicer.readthedocs.io/en/latest/user_guide/getting_started.html#linux

Hi @pieper , I ran those dependency installs right after upgrading to 20.10 so it seems they are not the issue.

Make sure xinerama is installed. That seems to be a common issue for recent Ubuntu and Qt versions.

I have tried uninstalling and re-installing xinerama but v4.10.2 still does not load

Please use the latest stable (currently Slicer-4.11.20200930) and let us knw if it works any better.

yes the latest stable is working. I still require v4.10.2 to run as well (previous workflows rely on this backend). I’m not sure what Slicer v4.10.2 is missing between Ubuntu 20.04 and 20.10. Should I try to build from v4.10.2 source?

If you want to try debugging some more, try Slicer --launch xterm and then look at the output from running SlicerApp-real in that window. You might also try ldd $(which SlicerApp-real) to see what libraries it might be missing. Also strace $(which SlicerApp-real) will give an idea what it was doin…

I ran xterm. running SlicerApp-real returned: [1] 2227884 abort (core dumped) ./bin/SlicerApp-real running ldd $(which SlicerApp-real) did not return any missing libraries. running strace $(which SlicerApp-real) I wasn’t sure how to interpret the output. The last bit of output returned: ope…

I’m having similar troubles with the latest (stable) version of Slicer. I’m on PopOS 20.10. Tried running xterm and strace as mentioned earlier on this post with similar-looking output. I can however run Slicer normally if I disable python. I do need python on my Slicer install so I’m wondering if …

SlicerApp-real must be run using the ./Slicer launcher, which sets up the runtime environment (similarly to other virtual Python environments) before it starts the application. All other tools must be run using ./Slicer --launch .... Could you get the stack trace (backtrace) of the crash? (strace …

Ubuntu 20.10 cannot run previously working Slicer version

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Ubuntu 20.10 cannot run previously working Slicer version

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