[mythtv-users] Problems with mariadb segfaults in latest ubuntu and maybe other distros

[Paul Raison]

> On 6/1/20 12:00 PM, Richard Shaw wrote:
>> On Mon, Jun 1, 2020 at 10:16 AM Peter Bennett <pb.mythtv at gmail.com <mailto:pb.mythtv at gmail.com>> wrote:
>> 
>> The latest mysql client library causes segfaults when a process using 
>> mariadb exits. See bug reports:
>> 
>> https://bugs.launchpad.net/ubuntu/+source/mysql-8.0/+bug/1877504 <https://bugs.launchpad.net/ubuntu/+source/mysql-8.0/+bug/1877504>
>> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=961672 <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=961672>
>> 
>> There does not seem to be any fix coming soon, based on comments in the 
>> bug reports. The bug reports imply that mysql should change their 
>> package to conform to mariadb. That is not likely to happen.
>> 
>> If upgrading to Ubuntu 20.04 make sure you are using mysql not mariadb, 
>> or else downgrade package libmysqlclient21 to the older version.
>> 
>> I'm not sure what the package availability is on Ubuntu, but on Fedora we no longer use the mysql client, but use the mariadb one which provides the same capability:
>> 
>> $ dnf --repoid=rawhide repoquery --provides mariadb-connector-c
>> libmariadb.so.3
>> libmariadb.so.3()(64bit)
>> libmariadb.so.3(libmariadb_3)
>> libmariadb.so.3(libmariadb_3)(64bit)
>> libmariadb.so.3(libmariadbclient_18)
>> libmariadb.so.3(libmariadbclient_18)(64bit)
>> libmariadb.so.3(libmysqlclient_18)
>> libmariadb.so.3(libmysqlclient_18)(64bit)
>> mariadb-connector-c = 3.1.8-1.fc33
>> mariadb-connector-c(x86-32) = 3.1.8-1.fc33
>> mariadb-connector-c(x86-64) = 3.1.8-1.fc33
>>  
>> Thanks,
>> Richard
>> 

I use the MariaDB repository (albeit on 18.04) and that contains libmariadbclient18 library. Maybe the answer is to use the MariaDB repository for Ubuntu and not use Ubuntu’s? It also has newer version available too.

Regards
Paul


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