I have narrowed to the simpler patch below :  Quote: diff -rNaud alsa-plugins-1.1.7/a52/pcm_a52.c alsa-plugins-1.1.7-new/a52/pcm_a52.c --- alsa-plugins-1.1.7/a52/pcm_a52.c 2018-10-16 14:00:22.000000000 +0200 +++ alsa-plugins-1.1.7-new/a52/pcm_a52.c 2018-10-23 08:35:15.699830909 +0200 @@ -978,7 +978,8 @@ if ((err = a52_set_hw_constraint(rec)) < 0) { snd_pcm_ioplug_delete(&rec->io); - goto error; + free(rec); + return err; } *pcmp = rec->io.pcm;   22.10.2018, 23:30, "Hyperion" <h1p8r10n@xxxxxxxxxx>:    Hi,    Â    Since the upgrade to Alsa 1.1.7, I get a segfault at pulseaudio    startup. This have been discussed and documented here :    [1][1]https://www.linuxquestions.org/questions/slackware-14/cu rrent-fri-oc    t-19-puseaudio-segfauts-4175640773/    Â    It seems that I found the origin of the bug : reverting these 2 commits    fixes the problem :    [2][2]http://git.alsa-project.org/?p=alsa-...792dc809c908cc    [3][3]http://git.alsa-project.org/?p=alsa-...5dc6e1594291e7    Then no more segfault in pulseaudio when accessing the USB soundcard.    Â    Please could you fix it ?    Â    Regards    jp References    Visible links    1. [4]https://www.linuxquestions.org/questions/slackware-14/current-fri -oct-19-puseaudio-segfauts-4175640773/    2. [5]http://git.alsa-project.org/?p=alsa-plugins.git;a=commitdiff;h=fc 3f5d51062ff438780e568995792dc809c908cc    3. [6]http://git.alsa-project.org/?p=alsa-plugins.git;a=commitdiff;h=6b 996865126dd559ef186002e45dc6e1594291e7    Hidden links:    4. [7]https://www.linuxquestions.org/questions/slackware-14/current-fri -oct-19-puseaudio-segfauts-4175640773/ _______________________________________________ Alsa-devel mailing list [8]Alsa-devel@xxxxxxxxxxxxxxxx [9]http://mailman.alsa-project.org/mailman/listinfo/alsa-devel References 1. https://www.linuxquestions.org/questions/slackware-14/current-fri-oc 2. http://git.alsa-project.org/?p=alsa-...792dc809c908cc 3. http://git.alsa-project.org/?p=alsa-...5dc6e1594291e7 4. https://www.linuxquestions.org/questions/slackware-14/current-fri-oct-19-puseaudio-segfauts-4175640773/ 5. http://git.alsa-project.org/?p=alsa-plugins.git;a=commitdiff;h=fc3f5d51062ff438780e568995792dc809c908cc 6. http://git.alsa-project.org/?p=alsa-plugins.git;a=commitdiff;h=6b996865126dd559ef186002e45dc6e1594291e7 7. https://www.linuxquestions.org/questions/slackware-14/current-fri-oct-19-puseaudio-segfauts-4175640773/ 8. mailto:Alsa-devel@xxxxxxxxxxxxxxxx 9. http://mailman.alsa-project.org/mailman/listinfo/alsa-devel _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel