[mythtv-users] unexpected behaviour

Sun Nov 4 18:25:52 UTC 2018

On Sun, Nov 4, 2018 at 12:34 PM Daryl McDonald <darylangela at gmail.com>
wrote:

>
>
> On Sun, Nov 4, 2018, 8:19 AM Stephen Worthington <stephen_agent at jsw.gen.nz>
> wrote:
>
>> On Sun, 4 Nov 2018 06:39:56 -0500, you wrote:
>>
>> >On Sat, Nov 3, 2018 at 9:23 PM glen <glenb at glenb.us> wrote:
>> >
>> >> On Sat, 2018-11-03 at 13:21 -0400, Daryl McDonald wrote:
>> >>
>> >>
>> >>
>> >> On Sat, Nov 3, 2018, 9:00 AM Daryl McDonald <darylangela at gmail.com
>> wrote:
>> >>
>> >>
>> >>
>> >> On Fri, Nov 2, 2018, 9:05 PM George Bingham <georgeb1962 at gmail.com>
>> wrote:
>> >>
>> >>
>> >> -- George
>> >>
>> >>
>> >> On Fri, Nov 2, 2018 at 4:07 PM Daryl McDonald <darylangela at gmail.com>
>> >> wrote:
>> >>
>> >>
>> >>
>> >> On Fri, Nov 2, 2018, 9:36 AM glen <glenb at glenb.us wrote:
>> >>
>> >> On Fri, 2018-11-02 at 09:11 -0400, Daryl McDonald wrote:
>> >>
>> >>
>> >>
>> >> On Thu, Nov 1, 2018, 10:26 PM Stephen Worthington <
>> >> stephen_agent at jsw.gen.nz> wrote:
>> >>
>> >> On Thu, 1 Nov 2018 11:11:23 -0400, you wrote:
>> >>
>> >> >Greetings mythizens, I got 0-byte recordings for three shows airing
>> >> between
>> >> >10 &11 pm last night.
>> >> >This was co-incident with me switching over to Kodi, and starting my
>> VPN,
>> >> >and streaming a show I had missed, I can wrap my head around losing
>> the
>> >> >hdhr (network tuner) recording but the other two were on internal
>> tuner
>> >> >cards. Is this normal behaviour?
>> >> >
>> >> >Does any one else using Myth and Kodi on the same box have
>> suggestions?
>> >> >
>> >> >TIA  Daryl
>> >>
>> >> MythTV uses tuners in order, and does not ever try another tuner when
>> >> one fails.  So if the first tuner is a network one and you have
>> >> somehow screwed up the network access to the tuner, then that could
>> >> explain what happened.  When you say the other two recordings were on
>> >> internal tuner cards, how are you working out what card was used for
>> >> the recordings?  Were the recordings from a different source that
>> >> needed to use the internal cards?  When you get a failed recording,
>> >> you can find the tuner it attempted to use in the logs, or you can go
>> >> to the recording and use the I command twice (and then scroll down if
>> >> necessary) to see the tuner.
>> >>
>> >> How do you use a VPN?  If it is run from the MythTV box then it is
>> >> likely that setting up the VPN connection will have changed the
>> >> routing on the MythTV box in a way that prevented access to the HDHR
>> >> tuner.  The standard way the VPNs work is to divert all traffic
>> >> outside the box to the VPN connection.  Often you can set them up so
>> >> that local traffic on your network will not go via the VPN, but you
>> >> will have to do extra configuration to do that.
>> >>
>> >> Another consideration is if you have storage group locations that are
>> >> stored over network connections to other boxes on your network. MythTV
>> >> has problems with network locations not being accessible.  If
>> >> activating your VPN caused network storage groups to be inaccessible,
>> >> but mythbackend kept trying to access them, that causes mythbackend to
>> >> run extremely slowly due to it continually locking up in a bit of code
>> >> that is trying the network connection and then failing. Each time the
>> >> connection fails, it can move on and do a little more work, but as
>> >> soon as it tries the connection again, it locks up again.  Only part
>> >> of mythbackend is affected, but that includes the threads that do
>> >> recordings, so all recordings fail.  As mythbackend tries to access
>> >> all storage groups in that code, it does not matter if the networked
>> >> storage group is only used for videos or pictures - it will still
>> >> cause access to the recording storage groups to fail.
>> >> _______________________________________________
>> >> mythtv-users mailing list
>> >> mythtv-users at mythtv.org
>> >> http://lists.mythtv.org/mailman/listinfo/mythtv-users
>> >> http://wiki.mythtv.org/Mailing_List_etiquette
>> >> MythTV Forums: https://forum.mythtv.org
>> >>
>> >>
>> >> My only network component is the HDHR, everything else in in the
>> combined
>> >> FE/BE, internal cards have UDEV rules and are used first, before the
>> HDHR.
>> >> Storage is three 1TB drives, internal, one of which I just replaced
>> >> (impending failure) and curiously when I used Kodi it unmounted
>> storage2 of
>> >> it's own volition at the time of the failure. I doubt that all three
>> failed
>> >> recordings were going to the one drive, as they were simotanious, just
>> >> something else to scratch the head with. VPN is on the myth/kodi box
>> only
>> >> and engaged when needed through the unity bar.
>> >>
>> >>
>> >> _______________________________________________
>> >>
>> >> mythtv-users mailing list
>> >>
>> >> mythtv-users at mythtv.org
>> >>
>> >>
>> >> http://lists.mythtv.org/mailman/listinfo/mythtv-users
>> >>
>> >>
>> >> http://wiki.mythtv.org/Mailing_List_etiquette
>> >>
>> >>
>> >> MythTV Forums:
>> >>
>> >> https://forum.mythtv.org
>> >>
>> >>
>> >> why don't you test each tuner independent of myth. stop the backend and
>> >> test the tuners to see they are receiving signal. with hdhomerun you
>> can
>> >> use the hdhomerun_config_gui util. and there are methods for the ones
>> >> directly attached. if those work properly, take a look at your
>> mythtv-setup
>> >> and make sure the tuner setup is what you think and the storage
>> directories
>> >> are correct. then start the backend and test. on the storage verify the
>> >> permissions are good for your storage directories. run mythtv-setup
>> under
>> >> user that is running backend
>> >> _______________________________________________
>> >> mythtv-users mailing list
>> >> mythtv-users at mythtv.org
>> >> http://lists.mythtv.org/mailman/listinfo/mythtv-users
>> >> http://wiki.mythtv.org/Mailing_List_etiquette
>> >> MythTV Forums: https://forum.mythtv.org
>> >>
>> >>
>> >>
>> >> I have a similar issue from time to time. I have one card that has two
>> >> tuners on it, but can do up to 3 recordings if two of them share a
>> >> multiplex. This often  happens starting at 7:00 where there will be
>> three
>> >> shows all starting at the same time. Often one of them would not tune
>> >> within the tuning time out period and I am guessing that since it
>> starts
>> >> each recording nearly at the same time that there must be additional
>> time
>> >> allowed or something. Anyway, I now have one of the recordings set to
>> start
>> >> a minute early and since I made that change, it hasn't missed out on
>> any
>> >> recordings.
>> >>
>> >> Not sure if that's happening to you or not, but since it took place
>> when
>> >> you have multiple recordings starting at the same time, maybe stagger
>> them
>> >> a bit by starting one of them a minute early.
>> >>
>> >> HTH,
>> >>
>> >> George
>> >>
>> >>
>> >>
>> >>
>> >>
>> >> this was a one time episode, all is working as expected now, I think I
>> >> will check the permissions though.
>> >>
>> >>
>> >> _______________________________________________
>> >> mythtv-users mailing list
>> >> mythtv-users at mythtv.org
>> >> http://lists.mythtv.org/mailman/listinfo/mythtv-users
>> >> http://wiki.mythtv.org/Mailing_List_etiquette
>> >> MythTV Forums: https://forum.mythtv.org
>> >>
>> >> _______________________________________________
>> >> mythtv-users mailing list
>> >> mythtv-users at mythtv.org
>> >> http://lists.mythtv.org/mailman/listinfo/mythtv-users
>> >> http://wiki.mythtv.org/Mailing_List_etiquette
>> >> MythTV Forums: https://forum.mythtv.org
>> >>
>> >> Interesting to know George, but for years now I have recorded by SD
>> time,
>> >> 3 or even 4 episodes at the same time without incident
>> >>
>> >> I may have spoke to soon, it looks like my problems may be related to
>> the
>> >> storage drive replacement. The last two news recordings have been
>> >> unwatchable, intermitten freeze-ups until inability to play at all,
>> while,
>> >> a football recording made the same night a couple hours later plays
>> great.
>> >> I'm going to use disks to check it out and am open to suggestions for
>> >> confirming if the new drive is a lemon or not.   TIA  Daryl
>> >>
>> >>
>> >> Maybe its just a coincidence, because the file system on the new drive
>> >> checks OK and smartmontools doesn't find any fault.?
>> >>
>> >>
>> >>
>> >> _______________________________________________
>> >>
>> >> mythtv-users mailing list
>> >>
>> >> mythtv-users at mythtv.org
>> >>
>> >>
>> >> http://lists.mythtv.org/mailman/listinfo/mythtv-users
>> >>
>> >>
>> >> http://wiki.mythtv.org/Mailing_List_etiquette
>> >>
>> >>
>> >> MythTV Forums:
>> >>
>> >> https://forum.mythtv.org
>> >>
>> >>
>> >> are you using xfs ? if not change to xfs and test.
>> >> _______________________________________________
>> >> mythtv-users mailing list
>> >> mythtv-users at mythtv.org
>> >> http://lists.mythtv.org/mailman/listinfo/mythtv-users
>> >> http://wiki.mythtv.org/Mailing_List_etiquette
>> >> MythTV Forums: https://forum.mythtv.org
>> >
>> >
>> >I'm using ext4 and have been for years without problems, its just since I
>> >replaced a drive that was about to fail. I'm finding that the system
>> >unmounts and remounts the drive from time to time. While using Kodi I see
>> >on-screen notifications saying "removable media storage 2 successfully
>> >removed", /etc/fstab has it mounted at boot, I used clonezilla to put the
>> >files,bootloader, UUID, and label on the replacement drive. Is there
>> >something else I need to do to keep the drive mounted? Storage 1 and 3
>> >remain rock solid
>>
>> If the drive is on an internal SATA port, there is no way it should be
>> unmounting itself.  What do the logs say about why it is happening?
>> _______________________________________________
>> mythtv-users mailing list
>> mythtv-users at mythtv.org
>> http://lists.mythtv.org/mailman/listinfo/mythtv-users
>> http://wiki.mythtv.org/Mailing_List_etiquette
>> MythTV Forums: https://forum.mythtv.org
>
> Yes it is! which log would you like to see? I'll pastebinit.
>

Here is the back end log:
 http://paste.ubuntu.com/p/JNWTmYNtxD/
And the Front End log:
http://paste.ubuntu.com/p/R3wYXX8TY2/
And here is the syslog:
http://paste.ubuntu.com/p/jnTxDMJqrg/
All help in figuring thisout is greatly appreciated.  Daryl
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