Mailing List Archive: MythTV: Commits

Ticket #7574: Channel change Live-TV crashes backend

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mythtv at cvs

Nov 15, 2009, 12:04 AM

Post #1 of 10 (774 views)
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Ticket #7574: Channel change Live-TV crashes backend

#7574: Channel change Live-TV crashes backend
------------------------------+---------------------------------------------
Reporter: FreddyX | Owner: ijr
Type: defect | Status: new
Priority: minor | Milestone: unknown
Component: MythTV - General | Version: head
Severity: medium | Mlocked: 0
------------------------------+---------------------------------------------
I'm using mythtv svn 22834.
When I start Live-TV, it start playing fine (1001 - channel 1). If I
change the channel to (1002 - channel 2) the backend crashed. Even if I
change to another channel, it always crash.

I've attached a log with -v record,channel,siparser options.

dmesg shows:
mythbackend[12283]: segfault at 190 ip 00007f9447f30e3a sp
00007f9431ff9e20 error 4 in libmyth-0.22.so.0.22.0[7f9447d31000+444000]

--
Ticket URL: <http://svn.mythtv.org/trac/ticket/7574>
MythTV <http://www.mythtv.org/>
MythTV
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mythtv at cvs

Nov 15, 2009, 5:33 AM

Post #2 of 10 (757 views)
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Re: Ticket #7574: Channel change Live-TV crashes backend [In reply to]

#7574: Channel change Live-TV crashes backend
------------------------------+---------------------------------------------
Reporter: FreddyX | Owner: ijr
Type: defect | Status: infoneeded_new
Priority: minor | Milestone: unknown
Component: MythTV - General | Version: 0.22
Severity: medium | Mlocked: 0
------------------------------+---------------------------------------------
Changes (by mdean):

* status: new => infoneeded_new
* version: head => 0.22

Comment:

Can you please get and attach a backtrace with debug symbols, as described
in the TicketHowTo and at http://www.mythtv.org/wiki/Debugging ?

--
Ticket URL: <http://svn.mythtv.org/trac/ticket/7574#comment:1>
MythTV <http://www.mythtv.org/>
MythTV
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mythtv at cvs

Nov 15, 2009, 5:40 AM

Post #3 of 10 (750 views)
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Re: Ticket #7574: Channel change Live-TV crashes backend [In reply to]

mythtv at cvs

Nov 15, 2009, 6:47 AM

Post #4 of 10 (742 views)
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Re: Ticket #7574: Channel change Live-TV crashes backend [In reply to]

mythtv at cvs

Nov 15, 2009, 12:37 PM

Post #5 of 10 (737 views)
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Re: Ticket #7574: Channel change Live-TV crashes backend [In reply to]

#7574: Channel change Live-TV crashes backend
------------------------------+---------------------------------------------
Reporter: FreddyX | Owner: ijr
Type: defect | Status: infoneeded_new
Priority: minor | Milestone: unknown
Component: MythTV - General | Version: head
Severity: medium | Mlocked: 0
------------------------------+---------------------------------------------

Comment(by mlilja):

I have the same problem. I have found a workaround. I only have segfault
when switching to channels on the same mux. If I switch to another mux and
back again there is no issue.

--
Ticket URL: <http://svn.mythtv.org/trac/ticket/7574#comment:4>
MythTV <http://www.mythtv.org/>
MythTV
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mythtv at cvs

Nov 15, 2009, 1:57 PM

Post #6 of 10 (749 views)
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Re: Ticket #7574: Channel change Live-TV crashes backend [In reply to]

#7574: Channel change Live-TV crashes backend
------------------------------+---------------------------------------------
Reporter: FreddyX | Owner: ijr
Type: defect | Status: infoneeded_new
Priority: minor | Milestone: unknown
Component: MythTV - General | Version: head
Severity: medium | Mlocked: 0
------------------------------+---------------------------------------------

Comment(by FreddyX):

Yeah, when switching to another mux, channel changing works. On the same
mux, backend crash. Very strange. My wife saw it first on last friday-
evening. My system build it every morning from svn. But it could be
earlier because we don't watch live-tv every day.

--
Ticket URL: <http://svn.mythtv.org/trac/ticket/7574#comment:5>
MythTV <http://www.mythtv.org/>
MythTV
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mythtv at cvs

Nov 16, 2009, 11:18 AM

Post #7 of 10 (700 views)
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Re: Ticket #7574: Channel change Live-TV crashes backend [In reply to]

#7574: Channel change Live-TV crashes backend
------------------------------+---------------------------------------------
Reporter: FreddyX | Owner: ijr
Type: defect | Status: infoneeded_new
Priority: minor | Milestone: unknown
Component: MythTV - General | Version: head
Severity: medium | Mlocked: 0
------------------------------+---------------------------------------------

Comment(by FreddyX):

The same happend with recordings. The first recording starts fine but the
second on the same mux starts but there is no file. If second recording
start on another mux it is also fine. Please let me now if you want more
information.

--
Ticket URL: <http://svn.mythtv.org/trac/ticket/7574#comment:6>
MythTV <http://www.mythtv.org/>
MythTV
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mythtv at cvs

Nov 18, 2009, 7:55 AM

Post #8 of 10 (660 views)
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Re: Ticket #7574: Channel change Live-TV crashes backend [In reply to]

#7574: Channel change Live-TV crashes backend
------------------------------+---------------------------------------------
Reporter: FreddyX | Owner: ijr
Type: defect | Status: infoneeded_new
Priority: minor | Milestone: unknown
Component: MythTV - General | Version: head
Severity: medium | Mlocked: 0
------------------------------+---------------------------------------------

Comment(by nrw <mythtv@…>):

Same problem, looks like the same issue. Included files in case its any
use

--
Ticket URL: <http://svn.mythtv.org/trac/ticket/7574#comment:7>
MythTV <http://www.mythtv.org/>
MythTV
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mythtv at cvs

Nov 18, 2009, 8:16 AM

Post #9 of 10 (656 views)
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Re: Ticket #7574: Channel change Live-TV crashes backend [In reply to]

mythtv at cvs

Nov 18, 2009, 11:06 AM

Post #10 of 10 (649 views)
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Re: Ticket #7574: Channel change Live-TV crashes backend [In reply to]

#7574: Channel change Live-TV crashes backend
------------------------------+---------------------------------------------
Reporter: FreddyX | Owner: ijr
Type: defect | Status: closed
Priority: minor | Milestone: unknown
Component: MythTV - General | Version: head
Severity: medium | Resolution: fixed
Mlocked: 0 |
------------------------------+---------------------------------------------
Changes (by mdean):

* status: infoneeded_new => closed
* resolution: => fixed

Comment:

Fixed by [22854].

--
Ticket URL: <http://svn.mythtv.org/trac/ticket/7574#comment:9>
MythTV <http://www.mythtv.org/>
MythTV
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