[debian-mysql] dbconfig autopkgtests fail: Plugin caching_sha2_password could not be loaded: /usr/lib/aarch64-linux-gnu/mariadb19/plugin/caching_sha2_password.so

[Paul Gevers]

Hi Otto,

On 23-08-2020 12:18, Otto Kekäläinen wrote:
> I uploaded mariadb-10.3 1:10.3.24-1 to Debian unstable yesterday and
> autopkgtests for dbconfig started to fail. Seems they are also failing
> after the recent mysql-8.0 upload.

Yes, I noticed (I follow the RSS feed for dbconfig-common).

> The log at https://ci.debian.net/data/autopkgtest/testing/amd64/d/dbconfig-common/6770952/log.gz
> is very long and hard to decipher. Searching for typical strings such
> as "error" yields too many results.

Understood, but better too verbose than not verbose enough :).

> Paul, could you please help by interpreting the log for us?

Yes. The autopkgtest of dbconfig-common tests both MariaDb and MySQL.
The MySQL test is marked as skip-noninstallable, so normally in testing
that wouldn't fail. However, because the migration runs have unstable
enabled, the test for MySQL can be run (and fails, as you already
noticed). The test with MariaDb runs fine, so I need to consider what to
do (trading my dbconfig-common maintainer hat for my Release Team member
hat and vice versa).

As a Release Team member, I'm willing to have the regression ignored for
MariaDb, as MariaDb is clearly not at fault here (the test with MariaDb
installed passes). I would ask the dbconfig-common maintainer to drop
the MySQL test until MySQL is fixed.

As the dbconfig-common maintainer, I'm obviously not happy to drop the
test, but on the other hand, I should probably contact the MySQL
maintainers to say that it seems like their package is broken, or at
least breaks my autopkgtest while it shouldn't. It would be awesome if
MySQL can be fixed quickly, as MariaDb wouldn't be blocked unnecessarily
and no further action would be required.

Paul

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