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Ticket #10178: UDP Multicast igmp request

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Nov 23, 2011, 1:29 AM

Post #1 of 8 (134 views)
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Ticket #10178: UDP Multicast igmp request

#10178: UDP Multicast igmp request
----------------------------+--------------------------------------
Reporter: ligverd@… | Type: Bug Report - General
Status: new | Priority: minor
Milestone: unknown | Component: MythTV - General
Version: Unspecified | Severity: medium
Keywords: | Ticket locked: 0
----------------------------+--------------------------------------
Reopen tiket 9034

There is no channel switching. Mythbackend signed once for the multicast
stream, and further changing the channel in the network did not issue.

mythtv:
GITREVISION=a9067cfc
VERSION=0.25.20111116-1

QT: 4.7.4

1. ---
Start tcpdump -n -i ethX igmp

2. ---
Start mythbackend and mythfrontend.
In mythfrontend trun channel 1

13:04:32.084618 IP 10.242.175.17 > 230.0.1.5: igmp v2 report 230.0.1.5
13:04:32.316955 IP 10.242.175.17 > 224.0.0.2: igmp leave 230.0.1.5
13:04:32.319611 IP 10.242.175.17 > 230.0.1.5: igmp v2 report 230.0.1.5
13:04:33.189831 IP 10.248.18.161 > 230.0.1.5: igmp query v2 [max resp time
10] [gaddr 230.0.1.5]
13:04:33.750607 IP 10.242.175.17 > 230.0.1.5: igmp v2 report 230.0.1.5
13:04:34.189514 IP 10.248.18.161 > 230.0.1.5: igmp query v2 [max resp time
10] [gaddr 230.0.1.5]
13:04:34.738607 IP 10.242.175.17 > 230.0.1.5: igmp v2 report 230.0.1.5

3. ---
we switch to the second channel...
igmp leave mythbackend does not send

4. ---
killall -INT mythbackend

13:05:20.304219 IP 10.242.175.17 > 224.0.0.2: igmp leave 230.0.1.5

--
Ticket URL: <http://code.mythtv.org/trac/ticket/10178>
MythTV <http://code.mythtv.org/trac>
MythTV Media Center
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Jan 24, 2012, 5:15 AM

Post #2 of 8 (112 views)
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Re: Ticket #10178: UDP Multicast igmp request [In reply to]

#10178: UDP Multicast igmp request
----------------------------------+-----------------------------
Reporter: ligverd@… | Owner:
Type: Bug Report - General | Status: new
Priority: minor | Milestone: unknown
Component: MythTV - General | Version: Unspecified
Severity: medium | Resolution:
Keywords: | Ticket locked: 0
----------------------------------+-----------------------------

Comment (by ligverd@…):

mythtv: GITREVISION=ceb4efaf VERSION=0.25.20120123-2
QT: 4.7.4

When you first turn the channel is multicast subscription to "igmp v2
report" and
"igmp leave".
When you switch to another channel unsubscribing from a multicast stream
is no subscription and the new is also not happening.
Also, when leaving the TV show unsubscribing from a multicast stream is
also not happening.

In a snapshot log:
include watching TV, waiting for switch to another channel, we get an
error exit.
Real: show the first channel, the second did not show an error to start
watching again, you must restart mythbackend and mythfrontend.
At the same time after exiting mythfrontend, mythbackend continues to pick
up the flow of the first channel.

--
Ticket URL: <http://code.mythtv.org/trac/ticket/10178#comment:1>
MythTV <http://code.mythtv.org/trac>
MythTV Media Center
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Feb 19, 2012, 12:15 AM

Post #3 of 8 (96 views)
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Re: Ticket #10178: UDP Multicast igmp request [In reply to]

#10178: UDP Multicast igmp request
----------------------------------+-----------------------------
Reporter: ligverd@… | Owner: danielk
Type: Bug Report - General | Status: new
Priority: minor | Milestone: unknown
Component: MythTV - Recording | Version: Master Head
Severity: medium | Resolution:
Keywords: | Ticket locked: 0
----------------------------------+-----------------------------
Changes (by wagnerrp):

* owner: => danielk
* version: Unspecified => Master Head
* component: MythTV - General => MythTV - Recording

Comment:

See #9034 for older information.

--
Ticket URL: <http://code.mythtv.org/trac/ticket/10178#comment:2>
MythTV <http://code.mythtv.org/trac>
MythTV Media Center
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Apr 13, 2012, 8:42 AM

Post #4 of 8 (85 views)
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Re: Ticket #10178: UDP Multicast igmp request [In reply to]

#10178: UDP Multicast igmp request
----------------------------------+-----------------------------
Reporter: ligverd@… | Owner: danielk
Type: Bug Report - General | Status: new
Priority: minor | Milestone: unknown
Component: MythTV - Recording | Version: Master Head
Severity: medium | Resolution:
Keywords: | Ticket locked: 0
----------------------------------+-----------------------------

Comment (by andrej.filipcic@…):

What is happening to this bug? 0.25 does not work anymore with iptv
recorders.

--
Ticket URL: <http://code.mythtv.org/trac/ticket/10178#comment:3>
MythTV <http://code.mythtv.org/trac>
MythTV Media Center
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Apr 16, 2012, 12:33 AM

Post #5 of 8 (80 views)
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Re: Ticket #10178: UDP Multicast igmp request [In reply to]

#10178: UDP Multicast igmp request
----------------------------------+-----------------------------
Reporter: ligverd@… | Owner: danielk
Type: Bug Report - General | Status: new
Priority: minor | Milestone: unknown
Component: MythTV - Recording | Version: Master Head
Severity: medium | Resolution:
Keywords: | Ticket locked: 0
----------------------------------+-----------------------------

Comment (by ligverd@…):

not understand the question.
Current Release: 0.25 behaves well.
After switching the channel mythbackend not unsubscribe from the previous
channel and subscribe to new, frontend waiting for some time and the error
on the admission of the channel.
If even close mythfrontend, mythbackend will take the old channel, until
you restart.
It seems that bachkend is not working properly with the protocol igmp v2

--
Ticket URL: <http://code.mythtv.org/trac/ticket/10178#comment:4>
MythTV <http://code.mythtv.org/trac>
MythTV Media Center
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Apr 16, 2012, 12:37 AM

Post #6 of 8 (79 views)
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Re: Ticket #10178: UDP Multicast igmp request [In reply to]

#10178: UDP Multicast igmp request
----------------------------------+-----------------------------
Reporter: ligverd@… | Owner: danielk
Type: Bug Report - General | Status: new
Priority: minor | Milestone: unknown
Component: MythTV - Recording | Version: Master Head
Severity: medium | Resolution:
Keywords: | Ticket locked: 0
----------------------------------+-----------------------------

Comment (by ligverd@…):

s/Current Release: 0.25 behaves well./Current Release: 0.25 also./
sory my english

--
Ticket URL: <http://code.mythtv.org/trac/ticket/10178#comment:5>
MythTV <http://code.mythtv.org/trac>
MythTV Media Center
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Apr 16, 2012, 12:43 AM

Post #7 of 8 (80 views)
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Re: Ticket #10178: UDP Multicast igmp request [In reply to]

#10178: UDP Multicast igmp request
----------------------------------+-----------------------------
Reporter: ligverd@… | Owner: danielk
Type: Bug Report - General | Status: new
Priority: minor | Milestone: unknown
Component: MythTV - Recording | Version: Master Head
Severity: medium | Resolution:
Keywords: | Ticket locked: 0
----------------------------------+-----------------------------

Comment (by ligverd@…):

In svn version mythtv-eb573d29 everything is working properly.in future
versions of the problems started.

--
Ticket URL: <http://code.mythtv.org/trac/ticket/10178#comment:6>
MythTV <http://code.mythtv.org/trac>
MythTV Media Center
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noreply at mythtv

Nov 2, 2012, 7:21 AM

Post #8 of 8 (44 views)
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Re: Ticket #10178: UDP Multicast igmp request [In reply to]

#10178: UDP Multicast igmp request
----------------------------------+-----------------------------
Reporter: ligverd@… | Owner: danielk
Type: Bug Report - General | Status: closed
Priority: minor | Milestone: unknown
Component: MythTV - Recording | Version: Master Head
Severity: medium | Resolution: Won't Fix
Keywords: | Ticket locked: 0
----------------------------------+-----------------------------
Changes (by danielk):

* status: new => closed
* resolution: => Won't Fix

Comment:

The live555 code is completely removed in master. Please report any
similar problems in master.

--
Ticket URL: <http://code.mythtv.org/trac/ticket/10178#comment:7>
MythTV <http://code.mythtv.org/trac>
MythTV Media Center
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