[mythtv-users] mythbackend not starting on gentoo

[Simpson, Richard]

> -----Original Message-----
> From: mythtv-users-bounces at mythtv.org
> [mailto:mythtv-users-bounces at mythtv.org]On Behalf Of Dirk grosse
> Osterhues
> 
> Hej,
> 
> I facing a problem with my mythtv-box (mythtv 0.18.1-r2) the past few
> days since I updated mysql to v.4.1.14. mythbackend kicks out the
> follwing while starting:
> 
> > 2005-10-20 02:15:07.443 New DB connection, total: 1
> > Starting up as the master server.
> > 2005-10-20 02:15:07.495 New DB connection, total: 2
> > 2005-10-20 02:15:07.559 New DB scheduler connection
> > 2005-10-20 02:15:07.594 mythbackend version: 
> 0.18.1.20050510-1 www.mythtv.org
> > 2005-10-20 02:15:07.594 Enabled verbose msgs : important general
> > 0/nfslockfile.lock: No such file or directory
> > Unable to open lockfile!
> > Be sure that '0' exists and that both
> > the directory and that file are writeable by this user.
> > Mutex destroy failure: Device or resource busy
> 
> strace tells me that mythbackend connects to the mysql-server and also
> gets the right information about the proper locating of the 
> requested file:
> 
> > [..]
> > read(0, "\22/home/mythtv/store", 19)    = 19
> > [..]
> 
> So it should find it correctly. I also created a new clean 
> database with
> the mc.sql-file and tried mythtv-setup, but that ends up with
> segmentation fault and doesn't store anything in the fresh database.
> 
> I checked permissions of the mysql-user for mythconverg: they were ok.
> Since I got other stuff on that machine which makes also strong use of
> mysql and doesn't have any problems with it, there must by a very
> specific detail which doesn't fit.
> 
> Besides, I forgot to make backup of my my.cnf before emergeing the new
> mysql, so it is a very fresh one (although I didn't make any 
> changes to
> my old my.cnf anyway).
> 
> I don't know if I'm on the right trace to suspect mysql, but 
> since it's
> the only thing that changed it was my first idea.
> 
> Can anybody lead me to a solution of this?
> 

There are instructions for upgrading to mysql 4.1.x here:

http://www.gentoo.org/doc/en/mysql-upgrading.xml

Everyone using Gentoo please read this! 

You are supposed to back up databases before the upgrade, but in your case, Dirk, I guess it's too late. Your errors, however, I believe will be fixed when you rebuild all packages with a mysql dependency with this command:

	revdep-rebuild

Good luck!
Richard.