Sometimes mise just hangs when executing a task

[jdx]

Discussed in https://github.com/jdx/mise/discussions/4275

^{Originally posted by plu January 31, 2025} We've seen this happen on CI sometimes, but I also found a way to trigger it:

mise-tasks/example

#!/usr/bin/env bash
set -eou pipefail
echo "start $1"
sleep 5
echo "done $1"

Execute:

for i in $(seq 1 30); do mise example $i &; done

ps auxww | grep mise
johannes.plunien 74117   0.0  0.0 411387360  20720 s007  SN    1:35PM   0:00.03 /Users/johannes.plunien/.local/bin/mise example 22

The strange thing is, that the whole invocation of 22 in this case is missing. So it didn't print start 22, neither done 22.

Any idea what this might be?