[Bug 267274] Re: mythtv-backend crash: memory corruption

trogod troy_goodson at iname.com
Fri Jul 31 07:34:00 UTC 2009


I've had three crashes of mythtbackend in the last month.

$ grep -A 1 -B 3 -Hn Backtrace /var/log/mythtv/mythbackend.log*
/var/log/mythtv/mythbackend.log-34128-2009-07-30 15:00:01.013 Finished recording Guiding Light: channel 1021
/var/log/mythtv/mythbackend.log-34129-2009-07-30 15:00:01.013 Finished recording Hawaii Five-0 "One Born Every Minute": channel 1561
/var/log/mythtv/mythbackend.log-34130-*** glibc detected *** /usr/bin/mythbackend: malloc(): memory corruption (fast): 0x000000000286212f ***
/var/log/mythtv/mythbackend.log:34131:======= Backtrace: =========
/var/log/mythtv/mythbackend.log-34132-/lib/libc.so.6[0x7f0438d28cb8]
--
/var/log/mythtv/mythbackend.log.1-19705-2009-07-13 06:01:03.386 AFD: codec AC3 has 2 channels
/var/log/mythtv/mythbackend.log.1-19706-2009-07-13 06:01:03.392 AFD: Opened codec 0xecd6f0, id(AC3) type(Audio)
/var/log/mythtv/mythbackend.log.1-19707-*** glibc detected *** /usr/bin/mythbackend: malloc(): memory corruption (fast): 0x00007f8b209c177f ***
/var/log/mythtv/mythbackend.log.1:19708:======= Backtrace: =========
/var/log/mythtv/mythbackend.log.1-19709-/lib/libc.so.6[0x7f8b31376cb8]
--
/var/log/mythtv/mythbackend.log.3-7270-2009-07-04 00:03:35.829 Reschedule requested for id 0.
/var/log/mythtv/mythbackend.log.3-7271-2009-07-04 00:03:35.841 Scheduled 1 items in 0.0 = 0.00 match + 0.01 place
/var/log/mythtv/mythbackend.log.3-7272-*** glibc detected *** /usr/bin/mythbackend: malloc(): memory corruption (fast): 0x00007fc72c2754af ***
/var/log/mythtv/mythbackend.log.3:7273:======= Backtrace: =========
/var/log/mythtv/mythbackend.log.3-7274-/lib/libc.so.6[0x7fc74b321cb8]


Some system info:

$ cat /etc/lsb-release 
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=9.04
DISTRIB_CODENAME=jaunty
DISTRIB_DESCRIPTION="Ubuntu 9.04"

$ apt-cache policy mythtv-backend
mythtv-backend:
  Installed: 0.21.0+fixes19961-0ubuntu8
  Candidate: 0.21.0+fixes19961-0ubuntu8
  Version table:
 *** 0.21.0+fixes19961-0ubuntu8 0
        500 http://us.archive.ubuntu.com jaunty/multiverse Packages
        100 /var/lib/dpkg/status


$ dpkg -l|grep myth
ii  gtk2-engines-mythbuntu                     0.4-0ubuntu2                              Mythbuntu GTK+ 2.x Theme
ii  libmyth-0.21-0                             0.21.0+fixes19961-0ubuntu8                Common library code for MythTV and add-on mo
ii  libmyth-perl                               0.21.0+fixes19961-0ubuntu8                A PERL library to access some MythTV feature
ii  libmyth-python                             0.21.0+fixes19961-0ubuntu8                A python library to access some MythTV featu
ii  mytharchive                                0.21.0+fixes19556-0ubuntu8                create and burn DVD's from MythTV - binary f
ii  mytharchive-data                           0.21.0+fixes19556-0ubuntu8                create and burn DVD's from MythTV - data fil
ii  mythbuntu-apple-trailers                   0.2-0ubuntu1                              Plugin providing Apple.com Movie Trailers fo
ii  mythbuntu-artwork-usplash                  0.8-0ubuntu2                              mythbuntu artwork for usplash
ii  mythbuntu-common                           0.26-0ubuntu1                             Mythbuntu application support functions
ii  mythbuntu-control-centre                   0.37-0ubuntu1                             Mythbuntu Configuration Application
ii  mythbuntu-default-settings                 0.78-0ubuntu1                             default settings for Mythbuntu
ii  mythbuntu-desktop                          0.38                                      The Mythbuntu standalone system
ii  mythbuntu-gdm-theme                        0.3-0ubuntu2                              mythbuntu gdm greeter theme
ii  mythbuntu-lirc-generator                   0.21-0ubuntu1                             Mythbuntu Lirc Configuration Generator
ii  mythbuntu-log-grabber                      0.3-0ubuntu1                              Tool to gather diagnostic data for Mythbuntu
ii  mythcontrols                               0.21.0+fixes19556-0ubuntu8                External controls for MythTV
ii  mythgallery                                0.21.0+fixes19556-0ubuntu8                Image gallery/slideshow add-on module for My
ii  mythmusic                                  0.21.0+fixes19556-0ubuntu8                Music add-on module for MythTV
ii  mythtv                                     0.21.0+fixes19961-0ubuntu8                A personal video recorder application (clien
ii  mythtv-backend                             0.21.0+fixes19961-0ubuntu8                A personal video recorder application (serve
ii  mythtv-backend-master                      0.21.0+fixes19961-0ubuntu8                Metapackage to setup and configure a "Master
ii  mythtv-common                              0.21.0+fixes19961-0ubuntu8                A personal video recorder application (commo
ii  mythtv-database                            0.21.0+fixes19961-0ubuntu8                A personal video recorder application (datab
ii  mythtv-frontend                            0.21.0+fixes19961-0ubuntu8                A personal video recorder application (clien
ii  mythtv-theme-blootube                      1:0.21.0-0ubuntu1                         The Blootube MythTV theme
ii  mythtv-theme-blootube-osd                  1:0.21.0-0ubuntu2                         The Blootube MythTV OSD
ii  mythtv-theme-blootube-wide                 1:0.21.0-0ubuntu1                         The Blootube MythTV theme (widescreen)
ii  mythtv-theme-blootubelite-wide             1:0.21.0-0ubuntu1                         The Blootube Lite MythTV theme (widescreen)
ii  mythtv-theme-glass-wide                    0.20080908-0ubuntu2                       The Glass MythTV theme (widescreen)
ii  mythtv-theme-gray-osd                      0.21.0-0ubuntu2                           The Gray-OSD MythTV Theme
ii  mythtv-theme-isthmus                       0.21.0-0ubuntu2                           The Isthmus MythTV Theme
ii  mythtv-theme-iulius                        0.21.0-0ubuntu2                           The Iulius MythTV Theme
ii  mythtv-theme-iulius-osd                    0.21.0-0ubuntu2                           The Iulius-OSD MythTV Theme
ii  mythtv-theme-metallurgy-osd                1.0-0ubuntu1                              The Metallurgy MythTV OSD theme
ii  mythtv-theme-metallurgy-wide               1.0-0ubuntu1                              The Metallurgy MythTV theme (widescreen)
ii  mythtv-theme-minimalist-wide               0.21.0-0ubuntu2                           The Minimalist Wide MythTV Theme
ii  mythtv-theme-mythbuntu                     0.20080421                                default MythTV theme used in Mythbuntu
ii  mythtv-theme-mythcenter                    0.21.0-0ubuntu2                           The MythCenter MythTV Theme
ii  mythtv-theme-mythcenter-wide               0.21.0-0ubuntu2                           The MythCenter Wide MythTV Theme
ii  mythtv-theme-neon-wide                     1:0.21.0-0ubuntu4                         The Neon MythTV theme (widescreen)
ii  mythtv-theme-projectgrayhem                1:0.21.0-0ubuntu1                         The Project Grayhem MythTV theme
ii  mythtv-theme-projectgrayhem-osd            1:0.21.0-0ubuntu2                         The Project Grayhem MythTV OSD
ii  mythtv-theme-projectgrayhem-wide           1:0.21.0-0ubuntu2                         The Project Grayhem MythTV theme (widescreen
ii  mythtv-theme-retro                         0.21.0-0ubuntu2                           The Retro MythTV Theme
ii  mythtv-theme-retro-osd                     0.21.0-0ubuntu2                           The Retro-OSD MythTV Theme
ii  mythtv-theme-titivillus                    0.21.0-0ubuntu2                           The Titivillus MythTV Theme
ii  mythtv-theme-titivillus-osd                0.21.0-0ubuntu2                           The Titivillus-OSD MythTV Theme
ii  mythtv-themes                              0.21.0-0ubuntu2                           Additional themes metapackage for MythTV
ii  mythtv-transcode-utils                     0.21.0+fixes19961-0ubuntu8                Utilities used for transcoding MythTV tasks
ii  mythvideo                                  0.21.0+fixes19556-0ubuntu8                A generic video player frontend module for M
ii  mythweather                                0.21.0+fixes19556-0ubuntu8                Weather add-on module for MythTV
ii  mythweb                                    0.21.0+fixes19556-0ubuntu8                Web interface add-on module for MythTV

-- 
mythtv-backend crash: memory corruption
https://bugs.launchpad.net/bugs/267274
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