Compatibility Report

• Name of the game with compatibility issues: SteamVR
• Steam AppID of the game: 250820

System Information

• GPU: AMD RX 5700 XT
• Driver/LLVM version: Mesa 21.1.2
• Kernel version: 5.12.10-300.fc34.x86_64
• Link to full system information report as Gist:
• Proton version: Experimental (Jun 19 2021)

I confirm:

• [x] that I haven't found an existing compatibility report for this game.
• [x] that I have checked whether there are updates for my system available.

steam-250820.log
First few lines:

Using breakpad crash handler
Setting breakpad minidump AppID = 250820
Forcing breakpad minidump interfaces to load
Looking up breakpad interfaces from steamclient
Calling BreakpadMiniDumpSystemInit
653.679:00dc:00fc:trace:seh:NtQueryInformationThread (0xfffffffffffffffe,12,0x263fe2c,4,(nil))
654.682:00dc:00f4:trace:seh:NtQueryInformationThread (0xfffffffffffffffe,12,0x1a1fe2c,4,(nil))
654.682:0030:00ac:trace:seh:NtQueryInformationThread (0xfffffffffffffffe,12,0x386fe2c,4,(nil))
654.683:00dc:00f8:trace:seh:NtQueryInformationThread (0xfffffffffffffffe,12,0x202fe2c,4,(nil))
654.683:005c:0090:trace:seh:NtQueryInformationThread (0xfffffffffffffffe,12,0x204fe2c,4,(nil))
654.683:005c:0070:trace:seh:NtQueryInformationThread (0xfffffffffffffffe,12,0x1a3fe2c,4,(nil))
654.684:005c:006c:trace:seh:NtQueryInformationThread (0xfffffffffffffffe,12,0x142fe2c,4,(nil))
654.684:0074:00a0:trace:seh:NtQueryInformationThread (0xfffffffffffffffe,12,0x2e8fe2c,4,(nil))
654.685:003c:0050:trace:seh:NtQueryInformationThread (0xfffffffffffffffe,12,0x162fe2c,4,(nil))
654.685:0074:0084:trace:seh:dispatch_exception code=6ba flags=0 addr=000000007B01236E ip=000000007B01236E tid=0084
654.685:0074:0084:warn:seh:dispatch_exception unknown exception (code=6ba) raised

Symptoms

SteamVR does not launch on Fedora 34. See specs above. Competely out of the box fresh install.

Reproduction

1. Install Fedora 34
2. Install Steam
3. Install SteamVR for Windows (Compatibility -> Force Steam Play (Proton))
4. Run SteamVR