Also ich habe jetzt mal wegen der Flatpak-Version geschaut. Diese Startet aber auch nicht.
Es gibt folgenden Error:
Running Steam on org.freedesktop.platform 20.08.6 64-bit
STEAM_RUNTIME is enabled automatically
Pins up-to-date!
Steam client's requirements are satisfied
WARNING: Using default/fallback debugger launch
/home/lasse/.var/app/com.valvesoftware.Steam/.local/share/Steam/ubuntu12_32/steam
[2021-03-23 11:48:07] Startup - updater built Mar 22 2021 21:07:31
Installing breakpad exception handler for appid(steam)/version(1616449816)
Failed to create for shader cache (No such file or directory)---disabling.
libGL error: No matching fbConfigs or visuals found
libGL error: failed to load driver: swrast
SteamUpdateUI: An X Error occurred
X Error of failed request: GLXBadContext
SteamUpdateUI: An X Error occurred
X Error of failed request: BadValue (integer parameter out of range for operation)
Major opcode of failed request: 151 (GLX)
Minor opcode of failed request: 3 (X_GLXCreateContext)
Value in failed request: 0x0
Serial number of failed request: 45
xerror_handler: X failed, continuing
Major opcode of failed request: 151 (GLX)
Minor opcode of failed request: 6 (X_GLXIsDirect)
Serial number of failed request: 46
xerror_handler: X failed, continuing
Looks like steam didn't shutdown cleanly, scheduling immediate update check
[2021-03-23 11:48:07] Loading cached metrics from disk (/home/lasse/.var/app/com.valvesoftware.Steam/.local/share/Steam/package/steam_client_metrics.bin)
[2021-03-23 11:48:07] Using the following download hosts for Public, Realm steamglobal
[2021-03-23 11:48:07] 1.
https://cdn.cloudflare.steamstatic.com, /client/, Realm 'steamglobal', weight was 100, source = 'update_hosts_cached.vdf'
[2021-03-23 11:48:07] 2.
https://cdn.akamai.steamstatic.com, /client/, Realm 'steamglobal', weight was 100, source = 'update_hosts_cached.vdf'
[2021-03-23 11:48:07] 3.
http://media.steampowered.com, /client/, Realm 'steamglobal', weight was 1, source = 'baked in'
Installing breakpad exception handler for appid(steam)/version(1616449816)
[2021-03-23 11:48:07] Checking for update on startup
[2021-03-23 11:48:07] Checking for available updates...
[2021-03-23 11:48:07] Downloading manifest:
https://cdn.cloudflare.steamstatic.com/client/steam_client_ubuntu12
Installing breakpad exception handler for appid(steam)/version(1616449816)
[2021-03-23 11:48:08] Download skipped: /client/steam_client_ubuntu12 version 1616449816, installed version 1616449816, existing pending version 0
[2021-03-23 11:48:08] Nothing to do
[2021-03-23 11:48:08] Verifying installation...
[2021-03-23 11:48:08] Performing checksum verification of executable files
[2021-03-23 11:48:08] Verification complete
Loaded SDL version 2.0.15-6379350
Failed to create for shader cache (No such file or directory)---disabling.
libGL error: No matching fbConfigs or visuals found
libGL error: failed to load driver: swrast
Steam: An X Error occurred
X Error of failed request: GLXBadContext
Major opcode of failed request: 151
Serial number of failed request: 53
xerror_handler: X failed, continuing
Steam: An X Error occurred
X Error of failed request: BadValue (integer parameter out of range for operation)
Major opcode of failed request: 151
Value in failed request: 0x0
Serial number of failed request: 52
xerror_handler: X failed, continuing
Steam: An X Error occurred
X Error of failed request: BadMatch (invalid parameter attributes)
Major opcode of failed request: 151
Serial number of failed request: 54
xerror_handler: X failed, continuing
crash_20210323114807_1.dmp[199]: Uploading dump (out-of-process)
/tmp/dumps/crash_20210323114807_1.dmp
/home/lasse/.var/app/com.valvesoftware.Steam/.local/share/Steam/steam.sh: Zeile 771: 145 Speicherzugriffsfehler (Speicherabzug geschrieben) $STEAM_DEBUGGER "$STEAMROOT/$STEAMEXEPATH" "$@"
[lasse@LassePc ~]$ crash_20210323114807_1.dmp[199]: Finished uploading minidump (out-of-process): success = yes
crash_20210323114807_1.dmp[199]: response: CrashID=bp-0e16d788-235a-4942-9ff1-8e4232210323
crash_20210323114807_1.dmp[199]: file ''/tmp/dumps/crash_20210323114807_1.dmp'', upload yes: ''CrashID=bp-0e16d788-235a-4942-9ff1-8e4232210323''