On 16/01/2025 20:19, Paul Eggert wrote:
> On 2025-01-16 11:50, Bruno Haible via GNU coreutils Bug Reports wrote:
>>     $ src/timeout --verbose 1 src/tail -c 4096 /dev/urandom
>>     timeout: sending signal TERM to command 'src/tail'
>>     $ echo $?
>>     124
> 
> Wikipedia[1] says that CentOS versions through CentOS 8 have reached
> end-of-life and are no longer supported, so I doubt whether it's worth
> our time to debug this merely for them. The oldest CentOSish version
> still supported is CentOS Stream 9[2].
> 
> [1]: https://en.wikipedia.org/wiki/CentOS#End-of-support_schedule
> [2]: https://en.wikipedia.org/wiki/CentOS_Stream#Release_history

Right. Behavior of `tail -c /dev/pseudo` is quite system dependent really,
so that test is quite brittle as is. We already allow for Solaris
specific behavior in the test, so I propose we at least adjust the test
to skip failures on older kernels, as in the attached.

cheers,
Pádraig