[mythtv-users] unexpected behaviour

Daryl McDonald darylangela at gmail.com
Sun Nov 4 17:34:43 UTC 2018


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.

>
>
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