Version-Release number of selected component: mkvtoolnix-7.0.0-1.fc20 Additional info: reporter: libreport-2.2.2 backtrace_rating: 4 cmdline: /usr/bin/mkvmerge @/var/tmp/mmg-mkvmerge-options-15053-1405858239140 crash_function: libebml::EbmlElement::Render executable: /usr/bin/mkvmerge kernel: 3.14.8-200.fc20.x86_64 runlevel: N 5 type: CCpp uid: 1000 Truncated backtrace: Thread no. 1 (8 frames) #4 libebml::EbmlElement::Render at /usr/src/debug/libebml-1.3.0/src/EbmlElement.cpp:597 #5 libebml::EbmlMaster::RenderData at /usr/src/debug/libebml-1.3.0/src/EbmlMaster.cpp:103 #6 libebml::EbmlElement::Render at /usr/src/debug/libebml-1.3.0/src/EbmlElement.cpp:589 #7 libmatroska::KaxCluster::Render at /usr/src/debug/libmatroska-1.4.1/src/KaxCluster.cpp:245 #8 cluster_helper_c::render at src/merge/cluster_helper.cpp:554 #9 cluster_helper_c::render_after_adding_if_necessary at src/merge/cluster_helper.cpp:178 #10 cluster_helper_c::add_packet at src/merge/cluster_helper.cpp:296 #11 main_loop at src/merge/output_control.cpp:2281 Potential duplicate: bug 974767
Created attachment 919705 [details] File: backtrace
Created attachment 919706 [details] File: cgroup
Created attachment 919707 [details] File: core_backtrace
Created attachment 919708 [details] File: dso_list
Created attachment 919709 [details] File: environ
Created attachment 919710 [details] File: limits
Created attachment 919711 [details] File: maps
Created attachment 919712 [details] File: open_fds
Created attachment 919713 [details] File: proc_pid_status
Created attachment 919714 [details] File: var_log_messages
Please test if this occurs with this latest update: https://admin.fedoraproject.org/updates/mkvtoolnix-7.4.0-1.fc20
Cannot reproduce, please reopen if it's still happening.