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[Bug 310820] Re: MythTV should use the static device names in /dev/v4l/by-path/* to stop video devices changing on boot

To: linux-traipu@xxxxxxxxxxxxxxxxxxx
From: Thomas Mashos <310820@xxxxxxxxxxxxxxxxxx>
Date: Sun, 11 Jan 2015 22:34:18 -0000
Reply-to: Bug 310820 <310820@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

We really do appreciate you opening this ticket to help improve
Mythbuntu, but it needs to be closed for a number of reasons. The
biggest one is that upstream has moved on to a new version and believes
this to be fixed. Could you please verify if this issue still exists in
the latest version?

Please do not let the closing of this ticket dissuade you from opening a
new ticket if this (or any other) problem occurs with the newer
versions.

** Changed in: mythbuntu
       Status: Triaged => Expired

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https://bugs.launchpad.net/bugs/310820

Title:
  MythTV should use the static device names in /dev/v4l/by-path/* to
  stop video devices changing on boot

Status in Mythbuntu, Ubuntu derivative focused upon MythTV:
  Expired

Bug description:
  I am using Mythbuntu 8.04 fully updated.

  I have two tuner cards, a Hauppauge PVR-150 (MPEG2 hardware encoder)
  and a bttv WinFast 2000XP (V4L software encoder).

  Every few reboots, the two cards will switch device nodes.  Earlier
  today, the Hauppauge was /dev/video0 and the bttv was /dev/video1.
  Now, they have switched so that the Hauppauge is /dev/video1 and the
  bttv is /dev/video0.  I will attach an lshal from before and after.

  Every time that this happens, it causes me real issues.  The cards do
  not work until I switch the setup  as the MPEG2 card will be setup as
  a V4L card and vice-versa, with the wrong input selected (one uses
  "Tuner 1" and the other uses "Television").  Even worse, when I switch
  the device nodes in the setup, it often seems to break my scheduled
  recordings in unexpected ways.  I have set it up as if I were moving
  everything to new hardware a few times, but it takes an age.

  If I can be of any further help, please let me know.

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