Trying to solve file lock problem with /etc/sudoers

[Peter Baumgarten]

Hey everyone,

I'm trying to be a hurd developer by jumping straight in and trying to
tackle a bug. This may not be a hurd bug, but I only see it with the
hurd version of sudo. I am trying to figure out why I get this message
"visudo: /etc/sudoers busy, try again later" when I run visudo as root.
I suspect something has a file lock on /etc/sudoers. I would normally
use lsof to see what processes have a lock on a file, but apparently
lsof is not available for hurd. When I say not available I mean not
installed by default on the debian hurd qemu image and not available in
the debian hurd repos. Does anyone know what tools are available to me
to see what has a lock on file or what processes are using a file on?

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