navrudh@pop-os> picard -V
Picard 2.5, Python 3.8.6, PyQt 5.15.0, Qt 5.14.2, Mutagen 1.45.0, Discid discid 1.1.0 (compat layer from python-libdiscid 1.1), libdiscid 0.6.2, astrcmp C, SSL OpenSSL 1.1.1f 31 Mar 2020
navrudh@pop-os> picard -d
D: 12:47:39,548 /usr/lib/picard/picard/tagger.__init__:225: Starting Picard from '/usr/lib/picard/picard/tagger.py'
D: 12:47:39,548 /usr/lib/picard/picard/tagger.__init__:226: Platform: Linux-5.8.0-7625-generic-x86_64-with-glibc2.32 CPython 3.8.6
D: 12:47:39,548 /usr/lib/picard/picard/tagger.__init__:228: Versions: Picard 2.5, Python 3.8.6, PyQt 5.15.0, Qt 5.14.2, Mutagen 1.45.0, Discid discid 1.1.0 (compat layer from python-libdiscid 1.1), libdiscid 0.6.2, astrcmp C, SSL OpenSSL 1.1.1f 31 Mar 2020
D: 12:47:39,549 /usr/lib/picard/picard/tagger.__init__:229: Configuration file path: '/home/navrudh/.config/MusicBrainz/Picard.ini'
D: 12:47:39,549 /usr/lib/picard/picard/tagger.__init__:231: User directory: '/home/navrudh/.config/MusicBrainz/Picard'
D: 12:47:39,549 /usr/lib/picard/picard/i18n.setup_gettext:83: Using locale 'en_US.UTF-8'
D: 12:47:39,549 /usr/lib/picard/picard/i18n.setup_gettext:85: Loading gettext translation, localedir='/usr/share/locale'
D: 12:47:39,550 /usr/lib/picard/picard/i18n.setup_gettext:87: Loading gettext translation (picard-countries), localedir='/usr/share/locale'
D: 12:47:39,550 /usr/lib/picard/picard/i18n.setup_gettext:92: [Errno 2] No translation file found for domain: 'picard-countries'
D: 12:47:39,550 /usr/lib/picard/picard/i18n.setup_gettext:108: _ = <bound method NullTranslations.gettext of <gettext.NullTranslations object at 0x7f44a336d940>>
D: 12:47:39,551 /usr/lib/picard/picard/i18n.setup_gettext:109: N_ = <function <lambda> at 0x7f44a2955280>
D: 12:47:39,551 /usr/lib/picard/picard/i18n.setup_gettext:110: ngettext = <bound method NullTranslations.ngettext of <gettext.NullTranslations object at 0x7f44a336d940>>
D: 12:47:39,551 /usr/lib/picard/picard/i18n.setup_gettext:111: gettext_countries = <bound method NullTranslations.gettext of <gettext.NullTranslations object at 0x7f44a336d9d0>>
D: 12:47:39,551 /usr/lib/picard/picard/i18n.setup_gettext:112: gettext_attributes = <bound method NullTranslations.gettext of <gettext.NullTranslations object at 0x7f44a336dac0>>
D: 12:47:39,551 /usr/lib/picard/picard/i18n.setup_gettext:113: pgettext_attributes = <bound method NullTranslations.pgettext of <gettext.NullTranslations object at 0x7f44a336dac0>>
D: 12:47:39,576 /usr/lib/picard/picard/webservice/__init__._network_accessible_changed:292: Network accessible requested: 1, actual: 1
D: 12:47:39,581 /usr/lib/picard/picard/webservice/__init__.set_cache:315: NetworkDiskCache dir: '/home/navrudh/.cache/network/' current size: 86.7 MB max size: 100 MB
D: 12:47:39,582 /usr/lib/picard/picard/pluginmanager.load_plugins_from_directory:219: Looking for plugins in directory '/usr/lib/picard/picard/plugins', 0 names found
D: 12:47:39,582 /usr/lib/picard/picard/pluginmanager.load_plugins_from_directory:219: Looking for plugins in directory '/home/navrudh/.config/MusicBrainz/Picard/plugins', 3 names found
D: 12:47:39,585 /usr/lib/picard/picard/plugin.register:74: ExtensionPoint: cover_art_providers register <- plugin='amazon' item=<class 'picard.plugins.amazon.CoverArtProviderAmazon'>
D: 12:47:39,585 /usr/lib/picard/picard/pluginmanager._load_plugin_from_directory:275: Loading plugin 'Amazon cover art' version 1.0.0.final0, compatible with API: 2.2
D: 12:47:39,586 /usr/lib/picard/picard/plugin.register:74: ExtensionPoint: album_metadata_processors register <- plugin='featartistsintitles' item=<function move_album_featartists at 0x7f44a33e9c10>
D: 12:47:39,586 /usr/lib/picard/picard/plugin.register:74: ExtensionPoint: track_metadata_processors register <- plugin='featartistsintitles' item=<function move_track_featartists at 0x7f44a33e9ca0>
D: 12:47:39,586 /usr/lib/picard/picard/pluginmanager._load_plugin_from_directory:275: Loading plugin 'Feat. Artists in Titles' version 0.5.0.final0, compatible with API: 2.0
D: 12:47:39,587 /usr/lib/picard/picard/plugin.register:74: ExtensionPoint: track_metadata_processors register <- plugin='standardise_feat' item=<function standardise_track_artist at 0x7f44a33e9dc0>
D: 12:47:39,588 /usr/lib/picard/picard/plugin.register:74: ExtensionPoint: album_metadata_processors register <- plugin='standardise_feat' item=<function standardise_album_artist at 0x7f44a33e9e50>
D: 12:47:39,588 /usr/lib/picard/picard/pluginmanager._load_plugin_from_directory:275: Loading plugin 'Standardise Feat.' version 0.3.0.final0, compatible with API: 2.0, 2.1, 2.2, 2.3
D: 12:47:39,588 /usr/lib/picard/picard/ui/playertoolbar.__init__:91: Internal player: QtMultimedia available, initializing QMediaPlayer
navrudh@pop-os> SIGSEGV(11)
This is a bug in either QMultimedia and/or GStreamer, probably related to specific hardware. There is not much we can do on the Picard side.
Picard 2.5.1 offers a new command line parameter "--no-player" to launch Picard with the player completely disabled. This should allow you to launch and run Picard. See the above forum thread for details on how to configure this.
The other possible workaround is to actually uninstall the Python 3 bindings for QMultimedia. The Ubuntu package name is I think python3-pyqt5.qtmultimedia