z@debian:~$ optirun steam
Running Steam on debian 10 64-bit
STEAM_RUNTIME is enabled automatically
Pins up-to-date!
Steam client's requirements are satisfied
WARNING: Using default/fallback debugger launch
/home/z/.local/share/Steam/ubuntu12_32/steam
WARNING: setlocale('en_US.UTF-8') failed, using locale: 'C'. International characters may not work.
[2021-04-04 15:18:30] Startup - updater built Mar 23 2021 20:11:00
Installing breakpad exception handler for appid(steam)/version(1616532526)
[2021-04-04 15:18:31] Loading cached metrics from disk (/home/z/.local/share/Steam/package/steam_client_metrics.bin)
[2021-04-04 15:18:31] Using the following download hosts for Public, Realm steamglobal
[2021-04-04 15:18:31] 1. https://cdn.cloudflare.steamstatic.com, /client/, Realm 'steamglobal', weight was 100, source = 'update_hosts_cached.vdf'
[2021-04-04 15:18:31] 2. https://cdn.akamai.steamstatic.com, /client/, Realm 'steamglobal', weight was 100, source = 'update_hosts_cached.vdf'
[2021-04-04 15:18:31] 3. http://media.steampowered.com, /client/, Realm 'steamglobal', weight was 1, source = 'baked in'
Installing breakpad exception handler for appid(steam)/version(1616532526)
[2021-04-04 15:18:31] Verifying installation...
[2021-04-04 15:18:32] Verification complete
Loaded SDL version 2.0.15-6379350
Gtk-Message: 15:18:34.586: Failed to load module "gail"
Gtk-Message: 15:18:34.612: Failed to load module "atk-bridge"
primus: warning: recreating incompatible pbuffer
assert_20210404151830_1.dmp[17453]: Uploading dump (out-of-process)
/tmp/dumps/assert_20210404151830_1.dmp
/home/z/.local/share/Steam/steam.sh: рядок 771: 17445 Помилка адресування             $STEAM_DEBUGGER "$STEAMROOT/$STEAMEXEPATH" "$@"
z@debian:~$ assert_20210404151830_1.dmp[17453]: Finished uploading minidump (out-of-process): success = yes
assert_20210404151830_1.dmp[17453]: response: CrashID=bp-4f2a8d8d-efc9-4782-b9ad-721e52210404
assert_20210404151830_1.dmp[17453]: file ''/tmp/dumps/assert_20210404151830_1.dmp'', upload yes: ''CrashID=bp-4f2a8d8d-efc9-4782-b9ad-721e52210404''
^C
z@debian:~$