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From: DJ Delorie <dj@redhat.com>
To: Michael Hudson-Doyle <michael.hudson@canonical.com>
Cc: libc-alpha@sourceware.org
Subject: Re: [PATCH] linux: return UNSUPPORTED in tst-mount if
 support_become_root fails
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Date: Thu, 14 Jul 2022 19:16:31 -0400
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Michael Hudson-Doyle <michael.hudson@canonical.com> writes:
> All the test-container tests in Ubuntu builds end up UNSUPPORTED with
> test-container.c:1130: unable to unshare user/fs: Operation not permitted
> so that wouldn't really help here (I should probably look into why this is).

Yeah, Debian-based distros default to disabling user containers.  There
should be a hint printed as to how to re-enable them, but that's on a
per-system basis, and up to the admin.