Steam Startet nicht unter Linux (ubuntu 20.04)

[Indy73C]

Hallo zusammen, habe heute versuche steam unter ubuntu 20.04 zu installieren und bin bisher gescheitert. nach dem Start wird kurz des Fenster des Steam Updaters angezeigt dann verschwindet Steam im Nevana
wenn ich versuche steam über die Konsole zu installieren bekomme ich folde logs angezeigt

$ steam
Running Steam on ubuntu 20.04 64-bit
STEAM_RUNTIME is enabled automatically
Pins up-to-date!
Steam client's requirements are satisfied
WARNING: Using default/fallback debugger launch
/home/husker/.local/share/Steam/ubuntu12_32/steam
[2021-05-12 15:39:01] Startup - updater built Apr 12 2021 18:51:36
Installing breakpad exception handler for appid(steam)/version(1618256785)
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: 152 (GLX)
Minor opcode of failed request: 3 (X_GLXCreateContext)
Value in failed request: 0x0
Serial number of failed request: 51
xerror_handler: X failed, continuing
Major opcode of failed request: 152 (GLX)
Minor opcode of failed request: 6 (X_GLXIsDirect)
Serial number of failed request: 52
xerror_handler: X failed, continuing
Looks like steam didn't shutdown cleanly, scheduling immediate update check
[2021-05-12 15:39:01] Loading cached metrics from disk (/home/husker/.local/share/Steam/package/steam_client_metrics.bin)
[2021-05-12 15:39:01] Failed to load cached hosts file (File 'update_hosts_cached.vdf' not found), using defaults
[2021-05-12 15:39:01] Using the following download hosts for Public, Realm steamglobal
[2021-05-12 15:39:01] 1. http://media.steampowered.com, /client/, Realm 'steamglobal', weight was 1, source = 'baked in'
Installing breakpad exception handler for appid(steam)/version(1618256785)
[2021-05-12 15:39:01] Checking for update on startup
[2021-05-12 15:39:01] Checking for available updates...
[2021-05-12 15:39:01] Downloading manifest: http://media.steampowered.com/client/steam_client_ubuntu12
Installing breakpad exception handler for appid(steam)/version(1618256785)
[2021-05-12 15:39:01] Download skipped: /client/steam_client_ubuntu12 version 1618256785, installed version 1618256785, existing pending version 0
[2021-05-12 15:39:01] Nothing to do
[2021-05-12 15:39:01] Verifying installation...
[2021-05-12 15:39:01] Performing checksum verification of executable files
[2021-05-12 15:39:02] Verification complete
Loaded SDL version 2.0.15-6484190
Gtk-Message: Failed to load module "gail"
Gtk-Message: Failed to load module "atk-bridge"

(steam:14165): Gtk-WARNING **: Unable to locate theme engine in module_path: "adwaita",
/usr/share/themes/Yaru/gtk-2.0/main.rc:775: error: unexpected identifier `direction', expected character `}'

(steam:14165): Gtk-WARNING **: Unable to locate theme engine in module_path: "adwaita",
/usr/share/themes/Yaru/gtk-2.0/hacks.rc:28: error: invalid string constant "normal_entry", expected valid string constant
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: 152
Serial number of failed request: 56
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: 152
Value in failed request: 0x0
Serial number of failed request: 55
xerror_handler: X failed, continuing
Steam: An X Error occurred
X Error of failed request: BadMatch (invalid parameter attributes)
Major opcode of failed request: 152
Serial number of failed request: 57
xerror_handler: X failed, continuing
assert_20210512153901_1.dmp[14213]: Uploading dump (out-of-process)
/tmp/dumps/assert_20210512153901_1.dmp
/home/husker/.local/share/Steam/steam.sh: Zeile 771: 14165 Speicherzugriffsfehler (Speicherabzug geschrieben) $STEAM_DEBUGGER "$STEAMROOT/$STEAMEXEPATH" "$@"

ist wie gesagt ein rel. frisch installiertes ubuntu 20.04
64 GB RAM
i7
nvidia GForce 1070 TI
hat jemand eine idee was das problem sein könnte?

[red]

Mir fallen als erstes die OpenGL- und X-Fehler ins Auge. nvidia-Treiber installiert?

[ihShizeJeff]

https://bbs.archlinux.org/viewtopic.php?id=262084

ggf hilft das