<div dir="ltr">Thank you! What's the behavior now with your fix? Can I find the code somewhere?</div><div class="gmail_extra"> <div><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"> KLAUS BADELT Founder <a href="http://klausbadelt.com/" target="_blank">kinonation.com</a> @Kinonation1 </div></div></div></div></div></div> <div class="gmail_quote">On Sat, Jan 28, 2017 at 8:10 AM, Tanu Kaskinen <<a href="mailto:tanuk@iki.fi" target="_blank">tanuk@iki.fi</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="HOEnZb"><div class="h5">On Fri, 2017-01-27 at 22:08 +0900, Takashi Sakamoto 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@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/<a href="http://libpulsecommon-9.0.so" rel="noreferrer" target="_blank">libpulsecommon-9.0.so</a> > 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/libalsa-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/<a href="http://libpulsecore-9.0.so" rel="noreferrer" target="_blank">libpulsecore-9.0.so</a> > No symbol table info available. > #9 0x00007f502b3b6703 in ?? () from > /usr/lib/pulse-9.0/modules/module-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/<a href="http://libpulsecore-9.0.so" rel="noreferrer" target="_blank">libpulsecore-9.0.so</a> > No symbol table info available. > #12 0x00007f5039b48381 in ?? () from > /usr/lib/x86_64-linux-gnu/pulseaudio/<a href="http://libpulsecore-9.0.so" rel="noreferrer" target="_blank">libpulsecore-9.0.so</a> > No symbol table info available. > #13 0x00007f5039b4e71c in pa_cli_command_execute_line_stateful () from > /usr/lib/x86_64-linux-gnu/pulseaudio/<a href="http://libpulsecore-9.0.so" rel="noreferrer" target="_blank">libpulsecore-9.0.so</a> > No symbol table info available. > #14 0x00007f5039b4ef31 in pa_cli_command_execute_file_stream () from > /usr/lib/x86_64-linux-gnu/pulseaudio/<a href="http://libpulsecore-9.0.so" rel="noreferrer" target="_blank">libpulsecore-9.0.so</a> > No symbol table info available. > #15 0x0000562b1430c242 in main () > No symbol table info available. > > We can see SIGABRT is generated in below line: > <a href="https://cgit.freedesktop.org/pulseaudio/pulseaudio/tree/src/pulse/channelmap.c#n401" rel="noreferrer" target="_blank">https://cgit.freedesktop.org/pulseaudio/pulseaudio/tree/src/pulse/channelmap.c#n401</a> </div></div>Thanks for the stacktrace! I submitted a potential fix, I hope you can test it and confirm that PulseAudio doesn't crash any more. -- Tanu <a href="https://www.patreon.com/tanuk" rel="noreferrer" target="_blank">https://www.patreon.com/tanuk</a> <div class="HOEnZb"><div class="h5">_______________________________________________ pulseaudio-discuss mailing list <a href="mailto:pulseaudio-discuss@lists.freedesktop.org">pulseaudio-discuss@lists.freedesktop.org</a> <a href="https://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss" rel="noreferrer" target="_blank">https://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss</a> </div></div></blockquote></div> </div>