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Ticket #10472: mythbackend SIGSEGV in MediaServer::~MediaServer()

 

 

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noreply at mythtv

Mar 18, 2012, 11:14 AM

Post #1 of 6 (104 views)
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Ticket #10472: mythbackend SIGSEGV in MediaServer::~MediaServer()

#10472: mythbackend SIGSEGV in MediaServer::~MediaServer()
-------------------------------------+-------------------------------------
Reporter: Marc Randolph <mrand@…> | Type: Bug Report -
Status: new | General
Milestone: unknown | Priority: minor
Version: Master Head | Component: MythTV - General
Keywords: | Severity: medium
| Ticket locked: 0
-------------------------------------+-------------------------------------
https://bugs.launchpad.net/ubuntu/+source/mythtv/+bug/958674

{{{
#0 0x08135050 in MediaServer::~MediaServer (this=0x9a0dcf0,
__in_chrg=<optimized out>) at mediaserver.cpp:285
No locals.
#1 0x081350c2 in MediaServer::~MediaServer (this=0x9a0dcf0,
__in_chrg=<optimized out>) at mediaserver.cpp:287
No locals.
#2 0x0814f0a8 in cleanup () at main_helpers.cpp:242
No locals.
#3 0x08062bff in ~CleanupGuard (this=<synthetic pointer>,
__in_chrg=<optimized out>) at main_helpers.h:33
No locals.
#4 main (argc=268450784, argv=0x48099e91) at main.cpp:128
a = {<QObject> = {_vptr.QObject = 0x17bd348, static
staticMetaObject = {d = {superdata = 0x0, stringdata = 0x1740ea0
"QObject", data = 0x1740f40, extradata = 0x17bbde8}}, static
staticMetaObjectExtraData = {objects = 0x0, static_metacall = 0x1679390
<QObject::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>},
d_ptr = {d = 0x99cc728}, static staticQtMetaObject = {d = {superdata =
0x0, stringdata = 0x1749c60 "Qt", data = 0x174d580, extradata = 0x0}}},
static staticMetaObject = {d = {superdata = 0x17bbdd8, stringdata =
0x1753720 "QCoreApplication", data = 0x17537c0, extradata = 0x17bd390}},
static staticMetaObjectExtraData = {objects = 0x0, static_metacall =
0x16c84f0 <QCoreApplication::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**)>}, static self = 0xbfe557d4}
retval = <optimized out>
mask = {static null = {<No data fields>}, static shared_null =
{ref = {_q_value = 280}, alloc = 0, size = 0, data = 0x17be4b2, clean = 0,
simpletext = 0, righttoleft = 0, asciiCache = 0, capacity = 0, reserved =
0, array = {0}}, static shared_empty = {ref = {_q_value = 116}, alloc = 0,
size = 0, data = 0x17be49e, clean = 0, simpletext = 0, righttoleft = 0,
asciiCache = 0, capacity = 0, reserved = 0, array = {0}}, d = 0x99e65c0,
static codecForCStrings = 0x0}
__FUNCTION__ = "main"
cmdline = {<MythCommandLineParser> = {_vptr.MythCommandLineParser
= 0x81f5e98, m_appname = {static null = {<No data fields>}, static
shared_null = {ref = {_q_value = 280}, alloc = 0, size = 0, data =
0x17be4b2, clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0,
capacity = 0, reserved = 0, array = {0}}, static shared_empty = {ref =
{_q_value = 116}, alloc = 0, size = 0, data = 0x17be49e, clean = 0,
simpletext = 0, righttoleft = 0, asciiCache = 0, capacity = 0, reserved =
0, array = {0}}, d = 0x99c46f0, static codecForCStrings = 0x0},
m_optionedArgs = {{d = 0x99c4cb8, e = 0x99c4cb8}}, m_namedArgs = {{d =
0x99c4c00, e = 0x99c4c00}}, m_passthroughActive = false,
m_overridesImported = true, m_verbose = false}, <No data fields>}
daemonize = true
}}}

From the backend log, it appears there may not have been any tuners
defined.

--
Ticket URL: <http://code.mythtv.org/trac/ticket/10472>
MythTV <http://code.mythtv.org/trac>
MythTV Media Center
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noreply at mythtv

Mar 18, 2012, 11:15 AM

Post #2 of 6 (104 views)
Permalink
Re: Ticket #10472: mythbackend SIGSEGV in MediaServer::~MediaServer() [In reply to]

#10472: mythbackend SIGSEGV in MediaServer::~MediaServer()
---------------------------------------------+-----------------------------
Reporter: Marc Randolph <mrand@…> | Owner:
Type: Bug Report - General | Status: new
Priority: minor | Milestone: unknown
Component: MythTV - General | Version: Master Head
Severity: medium | Resolution:
Keywords: | Ticket locked: 0
---------------------------------------------+-----------------------------

Comment (by Marc Randolph <mrand@…>):

Actually, someone else seems to have reproduced it without the missing
tuners. backend log attached.

--
Ticket URL: <http://code.mythtv.org/trac/ticket/10472#comment:1>
MythTV <http://code.mythtv.org/trac>
MythTV Media Center
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noreply at mythtv

Mar 18, 2012, 2:44 PM

Post #3 of 6 (103 views)
Permalink
Re: Ticket #10472: mythbackend SIGSEGV in MediaServer::~MediaServer() [In reply to]

#10472: mythbackend SIGSEGV in MediaServer::~MediaServer()
---------------------------------------------+-----------------------------
Reporter: Marc Randolph <mrand@…> | Owner:
Type: Bug Report - General | Status: new
Priority: minor | Milestone: unknown
Component: MythTV - General | Version: Master Head
Severity: medium | Resolution:
Keywords: | Ticket locked: 0
---------------------------------------------+-----------------------------

Comment (by Github):

Refs #10472. Initialize pointer in ctor.
Branch: master
Changeset: a1d573c0e45ab0f69f1bce3255c19658bb3590ac

--
Ticket URL: <http://code.mythtv.org/trac/ticket/10472#comment:2>
MythTV <http://code.mythtv.org/trac>
MythTV Media Center
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noreply at mythtv

Mar 21, 2012, 11:39 AM

Post #4 of 6 (98 views)
Permalink
Re: Ticket #10472: mythbackend SIGSEGV in MediaServer::~MediaServer() [In reply to]

#10472: mythbackend SIGSEGV in MediaServer::~MediaServer()
---------------------------------------------+-----------------------------
Reporter: Marc Randolph <mrand@…> | Owner:
Type: Bug Report - Crash | Status: new
Priority: minor | Milestone: unknown
Component: MythTV - General | Version: Master Head
Severity: medium | Resolution:
Keywords: | Ticket locked: 0
---------------------------------------------+-----------------------------
Changes (by beirdo):

* type: Bug Report - General => Bug Report - Crash


--
Ticket URL: <http://code.mythtv.org/trac/ticket/10472#comment:3>
MythTV <http://code.mythtv.org/trac>
MythTV Media Center
_______________________________________________
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mythtv-commits [at] mythtv
http://www.mythtv.org/mailman/listinfo/mythtv-commits


noreply at mythtv

Jul 5, 2012, 12:09 AM

Post #5 of 6 (61 views)
Permalink
Re: Ticket #10472: mythbackend SIGSEGV in MediaServer::~MediaServer() [In reply to]

#10472: mythbackend SIGSEGV in MediaServer::~MediaServer()
-------------------------------------+-----------------------------
Reporter: Marc Randolph <mrand@…> | Owner: danielk
Type: Bug Report - Crash | Status: assigned
Priority: minor | Milestone: unknown
Component: MythTV - General | Version: Master Head
Severity: medium | Resolution:
Keywords: | Ticket locked: 0
-------------------------------------+-----------------------------
Changes (by beirdo):

* owner: => danielk
* status: new => assigned


Comment:

Assigning to danielk as he was the one that referenced it in a code
commit. If this is solved now, the ticket should get closed.

--
Ticket URL: <http://code.mythtv.org/trac/ticket/10472#comment:4>
MythTV <http://code.mythtv.org/trac>
MythTV Media Center
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mythtv-commits [at] mythtv
http://www.mythtv.org/mailman/listinfo/mythtv-commits


noreply at mythtv

Jul 5, 2012, 6:49 AM

Post #6 of 6 (70 views)
Permalink
Re: Ticket #10472: mythbackend SIGSEGV in MediaServer::~MediaServer() [In reply to]

#10472: mythbackend SIGSEGV in MediaServer::~MediaServer()
-------------------------------------+-----------------------------
Reporter: Marc Randolph <mrand@…> | Owner: danielk
Type: Bug Report - Crash | Status: closed
Priority: minor | Milestone: unknown
Component: MythTV - General | Version: Master Head
Severity: medium | Resolution: Fixed
Keywords: | Ticket locked: 0
-------------------------------------+-----------------------------
Changes (by danielk):

* status: assigned => closed
* resolution: => Fixed


Comment:

I believe this was fixed by [a1d573c0e], but I was not able to reproduce
and hence verify that this fixes it. Please re-open if this remains a
problem.

--
Ticket URL: <http://code.mythtv.org/trac/ticket/10472#comment:5>
MythTV <http://code.mythtv.org/trac>
MythTV Media Center
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