Jan Schaumann wrote:
Hello, Yesterday I reported the following bug to the Debian maintainers of the 'util-linux' package. They suggested I should bring it up here: more(1) may attempt to call tsetattr(3) on stderr even if its process is not in a process group with a controlling terminal. As a result, SIGTTOU will be generated, suspending the process. The following example illustrates the issue: $ /bin/sh -c "timeout 60 /bin/sh -c \"ls | more\"" This command will now hang until the timeout, since the shell, ls(1) and more(1) commands invoked by timeout(1) will be suspended.
It does not hang for me, but then I don't use systemd. Perhaps systemd should be fixed.
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