Chromium snap : Kernel has no file descriptor comparison support: Operation not permitted

Hi all,

This morning my Chromium Browser suddenly decided not to start :

$ chromium
Gtk-Message: 10:43:39.228: Failed to load module "canberra-gtk-module"
Gtk-Message: 10:43:39.230: Failed to load module "canberra-gtk-module"
[6413:6413:0717/104339.309620:ERROR:sandbox_linux.cc(374)] InitializeSandbox() called with multiple threads in process gpu-process.
WARNING: Kernel has no file descriptor comparison support: Operation not permitted
Trace/breakpoint trap (core dumped)

I did try to update, no luck. I tried uninstalling Intel GPU drivers, as suggested here: https://askubuntu.com/questions/1259520/chromium-not-starting-on-ubuntu-20-04, no luck either.

But chrome-browser is working flawlessly.

Any idea ?

I found a workaround :

sudo rm /var/cache/fontconfig/*
rm ~/.cache/fontconfig/*
sudo fc-cache -r -v
rm -rf ~/snap/chromium/common/.cache/fontconfig/

This set of commands is a workaround for a problem I already reported here : [chromium] File chooser is not displaying font

It looks like it’s related.

This problem looks similar to bug #1887793.

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