[mythtv-commits] Ticket #12499: Diseqc LNB 2 can no longer be configured for use in mythtv-setup

MythTV noreply at mythtv.org
Fri Feb 26 21:37:41 UTC 2016


#12499: Diseqc LNB 2 can no longer be configured for use in mythtv-setup
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 Reporter:  Ian Richardson                       |          Owner:  gigem
  <grandmastermarclar@…>                         |         Status:
     Type:  Bug Report - General                 |  infoneeded
 Priority:  major                                |      Milestone:  0.28
Component:  MythTV - Mythtv-setup                |        Version:  Master
                                                 |  Head
 Severity:  high                                 |     Resolution:
 Keywords:                                       |  Ticket locked:  0
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Comment (by mythtv@…):

 I'll try but do not expect this to be a solution. The basic problem is
 that the same card has been defined 2x, and the scheduler thinks the cards
 are independent even though it is a single physical card. The failures
 observed so far, are not from recordings, but from EIT reading. The EIT
 "crawling" is needed to have correct and up-to-date schedule information
 available.

 setting on demand will not change that. Also, if there is a recording on
 Astra1 at same time as astra2, the scheduler would with current
 configuration attempt to use the same physical card for the reocrdings.
 This is not possible and will indeed cause a fail (same type as observed
 in the logs above).

 There is a similar case in the solution on how to allow for multiple
 recordings (from same Transport Stream). There a second (or multiple
 depending on number of simultanous recordings allowed) card defined which
 has the original card as master. This tells the scheduler there is only a
 single card, which means it can tune only once and other recordings are
 only possible if coming from the same TS.

 The diseqc switch is another example of a shared resource. It is not
 possible to tune the same card at the same time to different satelites. In
 a system of a DVB-S[2] tuner with diseqc switch, the combination of tuner
 + diseqc switch can be viewed as a single shared resource that has added
 capabilities compared to the tuner alone.

 i'll do 2 tests (probably tomorrow morning)

 -1- your suggestion

 -2- hack the database and declare the second set as slave device of the
 original tuner.

--
Ticket URL: <https://code.mythtv.org/trac/ticket/12499#comment:51>
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