[mythtv-users] mythbackend unresponsive and stop recording
Jürgen Sachs
juergen-sachs at gmx.de
Tue Jul 17 20:46:14 UTC 2012
Am Montag, den 16.07.2012, 19:26 -0400 schrieb R. G. Newbury:
> Sent from my iPhone
>
> On 2012-07-16, at 4:29 PM, Jürgen Sachs <juergen-sachs at gmx.de> wrote:
>
> > Am Dienstag, den 10.07.2012, 12:04 -0400 schrieb R. G. Newbury:
> >> On 07/09/2012 03:08 PM, Jürgen Sachs wrote:
> >>> Am Samstag, den 07.07.2012, 22:49 +0200 schrieb Jürgen Sachs:
> >>>> Am Freitag, den 06.07.2012, 11:22 -0400 schrieb Steven Adeff:
> >>>>> On Fri, Jul 6, 2012 at 10:56 AM, Jürgen Sachs<juergen-sachs at gmx.de <mailto:juergen-sachs at gmx.de>> wrote:
> >>>>>> Hi,
> >>>>>>
> >>>>>> I am using myth from git trunk.
> >>>>>> Since a few weeks I have issues with mythbackend.
> >>>>>> When I enter watch recordings, after showing the spinning wheel a while no
> >>>>>> recordings are shown.
> >>
> >>> 2012-07-09 20:36:23.473630 I New static DB connectionDataDirectCon
> >>> 2012-07-09 20:36:23.488164 I MythCoreContext: Connecting to backend
> >>> server: 10.6.2.12:6543 (try 1 of 1)
> >>> 2012-07-09 20:36:23.488941 I Using protocol version 75
> >>> 2012-07-09 20:36:53.504783 E MythSocket(8a67d0:35): readStringList:
> >>> Error, timed out after 30000 ms.
> >>> 2012-07-09 20:36:53.504827 N Connection to backend server lost <====== here too!
> >>> 2012-07-09 20:36:53.505911 I MythCoreContext: Connecting to backend
> >>> server: 10.6.2.12:6543 (try 1 of 1)
> >>> 2012-07-09 20:36:53.506418 I Using protocol version 75
> >>> 2012-07-09 20:37:23.510448 E MythSocket(8a67d0:35): readStringList:
> >>> Error, timed out after 30000 ms.
> >>> 2012-07-09 20:37:23.510496 C Reconnection to backend server failed <====== and here
> >>> 2012-07-09 20:37:23.510518 A LoadFromScheduler(): Error querying master.
> >>> 2012-07-09 20:37:23.510571 I --- print list start ---
> >>> 2012-07-09 20:37:23.510582 I Title - Subtitle Ch Station Day Start End S
> >>> C I T N Pri
> >>> 2012-07-09 20:37:23.510584 I --- print list end ---
> >>> ---------------------
> >>> Any suggestions ? should I open a ticket for this ? But not sure if it
> >>> is worth while with this amount of information.
> >>
> >> After using mythtv for over 6 years I now recognize that 'MythContext'
> >> errors usually mean a 'failure to communicate'. Specifically, a mysql
> >> connection error. Your comment 'after showing the spinning wheel a while
> >> no recordings are shown' points to this too.
> >>
> >> I suggest you review *everything* about your myth <> mysql setup.
> >> In particular you should look for multiple config.xml files. Delete any
> >> "copies" and symlink to one known good example. Test using 127.0.0.1 and
> >> localhost if on the same box as the mysql server.
> >> On trunk you can now delete any mysql.txt files. They are no longer
> >> used. Note that the format of config.xml has changed.
> >>
> >> Then at the mysql console as root user, 'use mysql;' and
> >> 'select host,user,password from user;' to check that you have a mythtv
> >> user with password and permissions to access mysql from your particular
> >> hostname.
> >>
> >> Then quit and test with: mysql -u mythtv -p mythtv mythconverg
> >>
> >> Since you have been running myth, why this should start failing is
> >> really obscure. There is no good reason for this to change.
> >>
> >> Except that you may have the old format of config.xml and there is
> >> apparently no error message.
> >>
> >> Finally, ensure that MasterServerIP and BackendServerIP are correct in
> >> the mythconverg settings table.
> > Thanks for your post.
> > I checked mysql settings and all already before posting.
> > As restarting mythbackend fix it for a while (half a day or or longer)
> > and all starts to work as expected, I think this also eliminates all
> > config file stuff and mysql from list.
> > Why should restarting mythbackend help in any way here ? Thats just my
> > logic....
> > I just returned from a longer travel and currently will try a fresh
> > compile from git, to see if it fix something. If not, I will post as
> > mentioned earlier on the bug list.
> > The only thing I wonder, why I am the only one seeing this ?
> >
> >
> No
> I seeing it myself. In my case myth loses contact when trying to show me upcoming recordings and will not record. Meanwhile i can see the Guide and use the Program Finder. This is with a recent git where bug 10911 is supposed to be fixed. And what i experiencing may be something else.
>
> I do not get this with a trumk git from July 3rd. So i trying some bisecting of the code. From the git log my bet is on a commit made on July 6.
> Get a backtrace for the devs!
> Geoff
I will try do a backtrace on the weekend. First need to look into this,
how to do it, etc...
Juergen
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