[BRLTTY] Console open error on recent Arch Linux

[Dave Mielke]

[quoted lines by Aura Kelloniemi on 2025/10/01 at 11:13 +0300]

>Would this work?
>
>1) Start BRLTTY as root.
>2) unshare. Detach from the common mounts namespace.
>3) Mount private tmpfs. Only BRLTTY process has access to this file system.
>4) Create necessary device nodes in this private file system. Not all device
>nodes need to be created, only those for which cannot be accessed from /dev
>directly.
>5) Switch user to brltty and drop all privileges.
>6) Once BRLTTY exits or is killed, the mount namespace becomes empty and the
>tmpfs is cleaned up.

Please test the latest development code to see if this is working as you expect.

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