It is unlikely that your patch fix the problem since none of the drivers of those users have a volume control with multi channel
Only two users have drivers which does not have capture channel map (e.g. cmipci and intel8x0) it is not clear why hda-intel can trigger the bug, the acer aspire 7540 has hda modem codec with channel mode and mic, line in jacks -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1539209 Title: pulseaudio crashed with SIGABRT in pa_alsa_path_set_volume() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1539209/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs