The bug is not always reproducible in the "make check" step because this uses a random seed.
To make it reproducible, use a stable TCRNDSEED. Here is a random seed that always fails on my machine (Debian 12): TCRNDSEED=535132256 ./tcttest misc -tl -td casket 500 And one that always succeeds: TCRNDSEED=535551999 ./tcttest misc -tl -td casket 500 Greetings Sven
