Dne 23.10.2018 v 08:43 Hyperion napsal(a):
> I have narrowed to the simpler patch below :
> Â
> 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;
> Â
It does not appear like a correct change, because rec->slave is
initialized in previous lines (snd_pcm_open calls). Could you inspect
rec->slave in gdb ?
Jaroslav
>
> Â
>
> 22.10.2018, 23:30, "Hyperion" <h1p8r10n@xxxxxxxxxx>:
>
> Â Â Â Hi,
>    Â
> Â Â Â Since the upgrade to Alsa 1.1.7, I get a segfault at
> pulseaudio
> Â Â Â startup. This have been discussed and documented here :
> Â Â Â [1][1]https://www.linuxquestions.org/questions/slackware-14/cu
> rrent-fri-oc
> Â Â Â t-19-puseaudio-segfauts-4175640773/
>    Â
> Â Â Â It seems that I found the origin of the bug : reverting these
> 2 commits
> Â Â Â fixes the problem :
> Â Â Â [2][2]http://git.alsa-project.org/?p=alsa-...792dc809c908cc
> Â Â Â [3][3]http://git.alsa-project.org/?p=alsa-...5dc6e1594291e7
> Â Â Â Then no more segfault in pulseaudio when accessing the USB
> soundcard.
>    Â
> Â Â Â Please could you fix it ?
>    Â
> Â Â Â Regards
> Â Â Â jp
> References
> Â Â Â Visible links
> Â Â Â 1.
> [4]https://www.linuxquestions.org/questions/slackware-14/current-fri
> -oct-19-puseaudio-segfauts-4175640773/
> Â Â Â 2.
> [5]http://git.alsa-project.org/?p=alsa-plugins.git;a=commitdiff;h=fc
> 3f5d51062ff438780e568995792dc809c908cc
> Â Â Â 3.
> [6]http://git.alsa-project.org/?p=alsa-plugins.git;a=commitdiff;h=6b
> 996865126dd559ef186002e45dc6e1594291e7
> Â Â Â Hidden links:
> Â Â Â 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
>
--
Jaroslav Kysela <perex@xxxxxxxx>
Linux Sound Maintainer; ALSA Project; Red Hat, Inc.
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