Problem located:

--->
% cat /snap/chromium/current/snap/command-chain/desktop-launch
#!/bin/bash

set -- "${SNAP}/gnome-platform/command-chain/desktop-launch" "$@"
# shellcheck source=/dev/null
source "${SNAP}/snap/command-chain/run"
<---

And ${SNAP}/gnome-platform/command-chain/desktop-launch forces

--->
# Tell Pipewire where to find its configuration and plugins
export PIPEWIRE_CONFIG_DIR="$SNAP_DESKTOP_RUNTIME/usr/share/pipewire"
export PIPEWIRE_MODULE_DIR="$SNAP_DESKTOP_RUNTIME/usr/lib/$ARCH/pipewire-0.3"
export SPA_PLUGIN_DIR="$SNAP_DESKTOP_RUNTIME/usr/lib/$ARCH/spa-0.2"
<---

This is 8 months old[1] so that is why we didn't get it last year, which
was the last time we used this work-around.

There is already a merge request[2] addressing this.

[1] 
https://github.com/snapcore/snapcraft-desktop-integration/blame/main/common/desktop-exports#L131
[2] https://github.com/snapcore/snapcraft-desktop-integration/pull/24

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to chromium-browser in Ubuntu.
https://bugs.launchpad.net/bugs/2074358

Title:
  Screen share causes segmentation fault in Wayland

Status in chromium-browser package in Ubuntu:
  Triaged

Bug description:
  latest/candidate: 127.0.6533.72  2024-07-26 (2919) 176MB -

  Trying to share screen in Wayland causes segmentation fault. Not
  happening in   latest/stable:    126.0.6478.182 2024-07-19 (2910).

  --->
  [W][06188.305863] default      | [        thread.c:  137 
pw_thread_utils_set()] pw_thread_utils_set is deprecated and does nothing 
anymore
  [0729/101708.956104:ERROR:ptracer.cc(605)] ptrace: Input/output error (5)
  [0729/101709.056429:ERROR:elf_dynamic_array_reader.h(64)] tag not found
  [0729/101709.082714:ERROR:elf_dynamic_array_reader.h(64)] tag not found
  [0729/101709.096608:WARNING:thread_snapshot_linux.cc(112)] Unknown scheduling 
policy 1073741824
  [0729/101709.099478:WARNING:thread_snapshot_linux.cc(112)] Unknown scheduling 
policy 1073741824
  Segmentation fault (core dumped)
  <---

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