I would be grateful if you could try this PR on your Ubuntu 20.04 system. I was able to reproduce the problem here and this fixes it for me, it appears to be additional checks in newer kernels,
combined with an existing but previously harmless bug in libfuse itself.
https://github.com/daos-stack/daos/pull/3678
Ashley.
From: daos@daos.groups.io <daos@daos.groups.io> Date: Thursday, 15 October 2020 at 07:53 To: daos@daos.groups.io <daos@daos.groups.io> Subject: Re: [daos] Error attempting to mount via DFUSE
I'm sorry, I should have been more clear, I had also attempted the same commands as Gert and received the same errors.
I had been using Ubuntu 20.04/centos7 docker images with Ubuntu 20.04 as my host OS.
Downgrading my host OS to Ubuntu 18.04 and using Ubuntu 20.04 docker images solved my issues.
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