[mythtv-users] Upcoming recordings empty, table problem?

Manuel McLure manuel at mclure.org
Thu Sep 22 01:03:58 UTC 2011

On Wed, Sep 21, 2011 at 5:29 PM, john <rwc at bestpond.com> wrote:
> I am running mythtv on Opensuse 11.4 (Tumbleweed) using binaries from
> Packman (myth versions mythtv0.24.1-0.pm.5.1-x86.64) which were updated in
> past day or so.
> I have been using mythweb to check my system status across 3 systems as I
> have been tracking a couple of tuner issues. Then yesterday I look at the
> upcoming recordings list and got a 'broken' mythweb, no listing and these
> messages:
> " Warning at /srv/www/htdocs/modules/tv/upcoming.php, line 95:
> !!NoTrans: Invalid argument supplied for foreach()!! "
> "Warning at /srv/www/htdocs/modules/_shared/tmpl/default/header.php, line
> 16:
> !!NoTrans: Cannot modify header information - headers already sent by
> (output started at /srv/www/htdocs/includes/errors.php:150)!!"
> I then opened the mythtv frontend to check what upcoming recordings were
> shown, and the list was empty with a message
> "You haven't scheduled any programs to be recorded'
> In reality there are programs always listed for recording each day. I had a
> search on the wiki, googled and checked the mail list.
> I ran mythbackend --testsched
> This failed ending with the message 'Unable to execute query" Table
> mythconverg.recordmatch doesn't exist.
> I would appreciate some advice to resolve this. Presently I have almost no
> knowledge of mysql but can follow instructions.
> I do have daily database backups, and the most recent one relevant was about
> 6 hours prior to the recordings stopping.
> Should I just restore the database or is there some direct action needed
> with mysql to rectify the missing table?
> Thanks for any help here.

I had the exact same problem, it turned out to be that the filesystem
where MySQL was attempting to create temporary files was almost full.

Check the setting for tmpdir in my.conf and make sure that the
filesystem has plenty of space. If it doesn't, change tmpdir to point
to a directory on a filesystem with plenty of space and restart MySQL.
Manuel A. McLure WW1FA <manuel at mclure.org> <http://www.mclure.org>
...for in Ulthar, according to an ancient and significant law,
no man may kill a cat.                       -- H.P. Lovecraft

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