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

[Peter Bennett]

On 6/1/20 1:08 PM, Jeremy D. Eiden wrote:
>
>
> 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.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
>>
>
> Opensuse Tumbleweed and 15.1 also use the mariadb one, I've seen no 
> issues.
>
>
This may be a solution. I have not investigated it. MythTV may have to 
be rebuilt using the mariadb lib?

The default Ubuntu install uses mysql. Only those who have manually 
installed mariadb would be affected by this issue.


-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mythtv.org/pipermail/mythtv-users/attachments/20200602/94e1dd42/attachment.htm>