[mythtv-users] MythTv 0.28-3 Segfault On Arch Linux

Mon Jul 18 17:25:37 UTC 2016

I'm trying the fix from PR: https://github.com/MythTV/mythtv/pull/122 posted by Da_Coynul (you?) from the thread: https://bbs.archlinux.org/viewtopic.php?id=213273

I'll be able to confirm the PR. Failing that, I'll do the qt5 fix. It'll take a while for this old laptop to get through it in its "spare" time, I don't want to tie up my main machine at the moment. I can work around the issue using VNC and scp for now.

Thanks for the heads up.

Mythbackend Segfault / Applications & Desktop Environments ...<https://bbs.archlinux.org/viewtopic.php?id=213273>
bbs.archlinux.org
Hello all, I was having an issue with mythbackend running on arch 64 on an intel setup. Since I updated a few weeks ago, mythbackend started crashing whenever I ...

[https://avatars1.githubusercontent.com/u/3163048?v=3&s=400]<https://github.com/MythTV/mythtv/pull/122>

Fix segmentation fault in QMetaObject::indexOfClassInfo() #12782 by PlanetEater · Pull Request #122 · MythTV/mythtv<https://github.com/MythTV/mythtv/pull/122>
github.com
The NULL check for pMetaProp in xmlSerializer.cpp should protect the GetContentName() call too. Related (already existing) ticket: https://code.mythtv.org/trac/ticket/12782

________________________________
From: mythtv-users <mythtv-users-bounces at mythtv.org> on behalf of glen <glenb at glenb.us>
Sent: 18 July 2016 18:04
To: Discussion about MythTV
Subject: Re: [mythtv-users] MythTv 0.28-3 Segfault On Arch Linux

On Mon, 2016-07-18 at 16:45 +0000, Lee Procter wrote:

I did see. Unfortunately my myth machine is a 32 bit war horse. Thanks.

________________________________
From: mythtv-users <mythtv-users-bounces at mythtv.org> on behalf of glen <glenb at glenb.us>
Sent: 18 July 2016 17:40
To: Discussion about MythTV
Subject: Re: [mythtv-users] MythTv 0.28-3 Segfault On Arch Linux

On Mon, 2016-07-18 at 16:36 +0000, Lee Procter wrote:

Thanks Glen. I'll compile the fix and see if it solves the issue.

________________________________
From: mythtv-users <mythtv-users-bounces at mythtv.org> on behalf of glen <glenb at glenb.us>
Sent: 18 July 2016 17:19
To: Discussion about MythTV
Subject: Re: [mythtv-users] MythTv 0.28-3 Segfault On Arch Linux

On Mon, 2016-07-18 at 16:09 +0000, Lee Procter wrote:

I'm not sure where to go from here. I'm getting segfaults when using mythweb, WebFrontEnd or even a frontend on LAN.

On mythweb it happens when I view recordings, perhaps as it is downloading images. On WebFrontEnd it happens whenever I move away from the home page. And on a frontend over LAN it happens after some use. Using the frontend on the local machine is stable. Using any web based client (mythweb, WebFrontEnd) over the loopback locally results in a segfault, it seems with larger transfers. e.g. anything which requires pictures/video to be transmitted. Text and styling is quite stable. My feeling is that it is a network configuration in the backend or possibly a mysql configuration issue.

I set logging to debug but it doesn't tell me much:

Journalctl log: http://pastebin.com/QqzBTpuy

mythweb.conf: http://pastebin.com/0jkd0fif

my.cnf: http://pastebin.com/Eg4Dbm8B

httpd access log: http://pastebin.com/198G6ByJ

httpd.conf: http://pastebin.com/7ssUYKbb

php.ini: http://pastebin.com/4448zYhH

I'm using arch linux 4.6.4-1, php56, apache 2.4.23-1, mythtv 0.28-3, mariadb 10.1.14-1.

If anybody could shed some light on this for me I'd appreciate it.

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i had same problem it is qt5. the solution is here for arch. but from this depending what distro you are using you should be able to solve:

https://bbs.archlinux.org/viewtopic.php?id=213273

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i missed fact you are on arch like me. no need to compile yourself. in thread i gave above, towards end you will see someone posted a pre compiled fix. just download it and install with pacman -U and it will replace your current qt-5. you may want exclude qt5-base from your updates in pacman.conf for time being.

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yikes.. yes well then it is something you'll have to do with the abs. you may be better off to put those flag statements at the bottom of /etc/makepkg.conf. but that will solve. this was driving me crazy till i saw that thread in arch forums. been perfect since.
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