Confirming the same assertion on my side. RME HDSPe MADI. channelmap.c triggers this assertion on startup, simply checking if the available channels exceed PA_CHANNELS_MAX. *KLAUS BADELT*Founder kinonation.com <http://klausbadelt.com/> @Kinonation1 On Fri, Jan 27, 2017 at 5:08 AM, Takashi Sakamoto <o-takashi at sakamocchi.jp> wrote: > Hi Tanu and Klaus, > > On Jan 27 2016 20:26, Tanu Kaskinen wrote: > >> On Tue, 2017-01-24 at 11:35 -0800, Klaus Badelt wrote: >> >>> The 32 channel limit excludes use of audio interfaces like for example >>> (my) >>> RME HDSPe MADI (64x64), all other MADI interfaces (incl. RME MADIface), >>> RME >>> Fireface UFX+ (94x94), MOTU 1248 (32x34), MOTU 112D (112), Focusrite Red >>> (64x64), ProTools hardward, and more. In general, we're excluding many >>> pro >>> audio and prosumer audio interfaces. >>> >>> A workaround could be to limit use of first 32 channels instead of >>> crashing >>> with assert on startup. Happy to work on a patch if you see this as a >>> potential path. >>> >> >> What's the assertion? At the very least the crash should be fixed, even >> if it doesn't make the sound card work. >> > > I face the assertion in my current work for ALSA driver for MOTU FireWire > units. One of my test device supports 34ch capture. When logging in desktop > environment which starts pulseaudio process, I can see its abort due to > below assertion. > > pulseaudio[18757]: [pulseaudio] channelmap.c: Assertion > 'pa_channels_valid(channels)' failed at pulse/channelmap.c:401, function > pa_cannel_map_init_extend(). Aborting. > > Below is the stacktrace. > > == Stacktrace ================================= > #0 __GI_raise (sig=sig at entry=6) at ../sysdeps/unix/sysv/linux/raise.c:58 > set = {__val = {0, 0, 0, 0, 0, 0, 4672924419136, 146028888064, 34, > 189408057797700, 105961138159616, 24671, 4672924419136, 0, 0, 0}} > pid = <optimized out> > tid = <optimized out> > #1 0x00007f50383433ea in __GI_abort () at abort.c:89 > save_stage = 2 > act = {__sigaction_handler = {sa_handler = 0x3000000028, > sa_sigaction = 0x3000000028}, sa_mask = {__val = {0, 140732661601104, > 4035625362880256, 140732661601088, 0, 139982539889656, 94743048657840, > 139982546343824, 0, 0, 140732661601104, 0, 139982517379468, > 189408057753607, 139981574111266, 140732661600784}}, sa_flags = 965515017, > sa_restorer = 0x7f503990903e} > sigs = {__val = {32, 0 <repeats 15 times>}} > #2 0x00007f50398c9712 in pa_channel_map_init_extend () from > /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-9.0.so > No symbol table info available. > #3 0x00007f502ac6f058 in pa_alsa_open_by_device_string () from > /usr/lib/pulse-9.0/modules/libalsa-util.so > No symbol table info available. > #4 0x00007f502ac6f12c in pa_alsa_open_by_template () from > /usr/lib/pulse-9.0/modules/libalsa-util.so > No symbol table info available. > #5 0x00007f502ac78ae1 in ?? () from /usr/lib/pulse-9.0/modules/lib > alsa-util.so > No symbol table info available. > #6 0x00007f502ac82161 in pa_alsa_profile_set_probe () from > /usr/lib/pulse-9.0/modules/libalsa-util.so > No symbol table info available. > #7 0x00007f502b1b00ee in module_alsa_card_LTX_pa__init () from > /usr/lib/pulse-9.0/modules/module-alsa-card.so > No symbol table info available. > #8 0x00007f5039b593b8 in pa_module_load () from > /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecore-9.0.so > No symbol table info available. > #9 0x00007f502b3b6703 in ?? () from /usr/lib/pulse-9.0/modules/mod > ule-udev-detect.so > No symbol table info available. > #10 0x00007f502b3b7a0b in module_udev_detect_LTX_pa__init () from > /usr/lib/pulse-9.0/modules/module-udev-detect.so > No symbol table info available. > #11 0x00007f5039b593b8 in pa_module_load () from > /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecore-9.0.so > No symbol table info available. > #12 0x00007f5039b48381 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/ > libpulsecore-9.0.so > No symbol table info available. > #13 0x00007f5039b4e71c in pa_cli_command_execute_line_stateful () from > /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecore-9.0.so > No symbol table info available. > #14 0x00007f5039b4ef31 in pa_cli_command_execute_file_stream () from > /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecore-9.0.so > No symbol table info available. > #15 0x0000562b1430c242 in main () > No symbol table info available. > > We can see SIGABRT is generated in below line: > https://cgit.freedesktop.org/pulseaudio/pulseaudio/tree/src/ > pulse/channelmap.c#n401 > > > Regards > > Takashi Sakamoto > > _______________________________________________ > pulseaudio-discuss mailing list > pulseaudio-discuss at lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss > -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://lists.freedesktop.org/archives/pulseaudio-discuss/attachments/20170127/0dae6de5/attachment-0001.html>