Mixxx crashes on clicking on "Import metadata from MusicBrainz"

[mixxxbot]

Reported by: legendary-acp
Date: 2018-09-28T14:05:30Z
Status: Fix Released
Importance: Critical
Launchpad Issue: lp1794993
Tags: crash
Attachments: backtrace.txt

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When we try to import Metadata from MusicBrainz Mixxx crashes. I was using ubuntu 18.04 while I encounter this error. Output in terminal was:
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side
ALSA lib pcm_route.c:867:(find_matching_chmap) Found no matching channel map
ALSA lib pcm_route.c:867:(find_matching_chmap) Found no matching channel map
ALSA lib pcm_route.c:867:(find_matching_chmap) Found no matching channel map
ALSA lib pcm_route.c:867:(find_matching_chmap) Found no matching channel map
Warning [Thread (pooled)]: SoundSourceProxy - Unable to decode file ""
Segmentation fault (core dumped)

Computer Specs:
OS: Ubuntu 18.04
Processor: Intel i5 7th gen

[mixxxbot]

Commented by: rryan
Date: 2018-09-28T16:53:21Z

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Can you please post a backtrace?
https://www.mixxx.org/wiki/doku.php/creating_backtraces#linux_mac_os_x_with_xcode_4x

[mixxxbot]

Commented by: rryan
Date: 2018-09-28T16:53:42Z

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What version or branch of Mixxx are you using?

[mixxxbot]

Commented by: legendary-acp
Date: 2018-09-28T17:17:06Z

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I am currently using master branch.

[mixxxbot]

Commented by: legendary-acp
Date: 2018-09-28T19:59:03Z
Attachments: backtrace.txt

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Backtrace file

[mixxxbot]

Commented by: uklotzde
Date: 2018-09-29T13:51:57Z

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Occurs for missing files.

[mixxxbot]

Commented by: uklotzde
Date: 2018-09-29T14:05:56Z

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#1826

[mixxxbot]

Issue closed with status Fix Released.