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[iosserver] IOSoccer moved to a 64-bit server, srcds_run no longer exists

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
45/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Active
Tech stack
bash, linux, shell
Domain
cli, devops

Research direction

Start by reading the IOSoccer server configuration that sets executable and the _default.cfg and distro CSV dependency entries mentioned in the issue. Reproduce startup with ./srcds_run_64, then check whether the server answers A2S queries and accepts console input after VAC activates. Done means choosing and documenting the working 64-bit startup and monitoring behavior, including any needed dependency updates.

Written by the indexing model from the issue text.

Description

engine: source game: IOSoccer info: dependency info: query type: bug
User story

As an IOSoccer server owner, I want iosserver to start and be monitored after the latest game update.

Game

IOSoccer (iosserver)

What happens

The IOSoccer update on 7 October 2026 (app 673990, build 25760596) replaced the 32-bit server with a 64-bit one. serverfiles now contains srcds_run_64 and srcds_linux64 (plus bin/linux64), and no srcds_run. LinuxGSM still uses executable="./srcds_run", so every start fails:

RESTART: FAIL: Executable was not found: /data/serverfiles/srcds_run

On a test server, the instance kept crash-looping from the update until it was noticed on 11 October.

What was tried

Setting executable="./srcds_run_64" in the instance config:

  • srcds_run_64 is Valve's 64-bit wrapper (from the TF2 dedicated server, per comments in the script). It starts srcds_linux64, symlinks the _srv libraries and links ~/.steam/sdk64/steamclient.so.
  • The server loads fully: Connection to Steam servers successful, VAC secure mode is activated, and it listens on UDP and TCP 27015.
  • But it then doesn't answer A2S queries (gamedig protocol-valve times out on 127.0.0.1, container IP and public IP), so monitor treats it as down.
  • It also didn't respond to console input (e.g. sv_master_legacy_mode) after activating.
To investigate
  • Is the server hung after VAC secure mode is activated, or just not answering A2S? (e.g. sv_master_legacy_mode, or the newer Steam query handling used by 64-bit TF2-based servers)
  • Whether glibc and dependencies in _default.cfg and the distro CSVs need updating for the 64-bit binary (currently glibc="2.3.6", 32-bit era).
  • Then switch executable to ./srcds_run_64.

Found while testing #5022.

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