This article addresses common issues encountered when using the `tsu` command in Magisk, particularly dealing with `No superuser binary detected` errors and the `No controlling tty` warning.

Initially, users might encounter the `No superuser binary detected` error, indicating that `tsu` cannot locate the necessary superuser binary. This often stems from incorrect Magisk installation or root access configurations. Verifying that Magisk is correctly installed and rooted correctly is crucial.

Sometimes, the `tsu` command reports a `bash: cannot set terminal process group (-1): Inappropriate ioctl for device` error, followed by `bash: no job control in this shell`. This usually points to Magisk's internal logic for managing root sessions not functioning properly. To resolve this, users might attempt to copy the `su` binary to the `/bin` directory, potentially triggering the `No controlling tty` warning.

This issue arises when `tsu` tries to establish a controlling terminal within the chroot environment. The `No controlling tty` warning signifies that `tsu` cannot access a standard terminal, effectively preventing full job control and possibly causing behavior inconsistencies. ...

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