flake: binding port already in use

[turadg]

Examples

kread-start

https://github.com/Agoric/agoric-3-proposals/actions/runs/7793493561/job/21253422797 (depot log)

2024-02-06T01:53:20.8325995Z #538 [use-kread-start linux/amd64 eval-kread-start 6/6] RUN ./run_eval.sh 53:kread-start
2024-02-06T01:53:20.8326997Z #0 0.289 ENV_SETUP starting
2024-02-06T01:53:20.8327495Z #0 0.896 ENV_SETUP finished
2024-02-06T01:53:20.8328000Z #0 0.896 Starting agd in background
2024-02-06T01:53:20.8328554Z #0 0.897 waiting for bootstrap...
2024-02-06T01:53:20.8329579Z #0 2.624 Error: failed to listen on 0.0.0.0:26657: listen tcp 0.0.0.0:26657: bind: address already in use
2024-02-06T01:53:20.8330574Z #0 2.625 Usage:
2024-02-06T01:53:20.8331079Z #0 2.625   ag-chain-cosmos start [flags]

upgrade-8

depot log

[16:upgrade-8] Starting agd in the background.
Starting agd in background
waiting for bootstrap...
1:53AM ERR WARNING: The minimum-gas-prices config in app.toml is set to the empty string. This defaults to 0 in the current version, but will error in the next version (SDK v0.45). Please explicitly put the desired minimum-gas-prices in your app.toml.
1:53AM ERR WARNING: The minimum-gas-prices config in app.toml is set to the empty string. This defaults to 0 in the current version, but will error in the next version (SDK v0.45). Please explicitly put the desired minimum-gas-prices in your app.toml.
Error: failed to listen on 0.0.0.0:26657: listen tcp 0.0.0.0:26657: bind: address already in use
Usage:
  ag-chain-cosmos start [flags]

Flags:
      --abci string                                     specify abci transport (socket | grpc) (default "socket")
      --address string                                  Listen address (default "tcp://0.0.0.0:26658")
      --consensus.create_empty_blocks                   set this to false to only produce blocks when there are txs or when the AppHash changes (default true)
      --consensus.create_empty_blocks_interval string   the possible interval between empty blocks (default "0s")

[turadg]

Started in versions of #88 and seems to be fixed by 3639158, which makes it less racy.

I'll leave this issue open until I'm more sure

[turadg]

Recent case: https://github.com/Agoric/agoric-3-proposals/actions/runs/8210121297/job/22456985462?pr=125

[turadg]

Not meant to be closed. Also @gibson042 has some good ideas for diagnosing