Description of problem: Hi! I'm using pulseaudio as a sound processor and filter in my hifi setup. Pulseaudio has ability to dynamically re-sample its feeds and therefore can be used to for feeding input from one sound card as output to another sound card. Configuration which triggers the crash takes 4-channel analog input from usb audio-interface and feeds it to hdmi input of the receiver which does not have multi-channel analog inputs. This crash was triggered by following config: pacmd set-card-profile alsa_card.pci-0000_00_0e.0 output:hdmi-surround pacmd load-module module-remap-sink sink_name=quad_sink master=alsa_output.pci-0000_00_0e.0.hdmi-surround channels=4 master_channel_map=front-left,front-right,rear-left,rear-right channel_map=front-left,front-right,rear-left,rear-right remix=no pacmd load-module module-loopback source=alsa_input.usb-BEHRINGER_UMC404HD_192k-00.multichannel-input sink=quad_sink It works for 10-20 seconds and then crashes. Version-Release number of selected component: pulseaudio-13.99.1-4.fc32 Additional info: reporter: libreport-2.13.1 backtrace_rating: 4 cgroup: 0::/user.slice/user-1000.slice/user/pulseaudio.service cmdline: /usr/bin/pulseaudio --daemonize=no --exit-idle-time=-1 --disallow-exit crash_function: speex_update_rates executable: /usr/bin/pulseaudio journald_cursor: s=8cd2498d3036452ca7785d35832bed8a;i=20cc8;b=981bc26c491c4c718f2dd71352a500f0;m=6d5084d;t=5b1f0110376c6;x=88f0f8bb798419f2 kernel: 5.8.13-200.fc32.x86_64 rootdir: / runlevel: N 3 type: CCpp uid: 1000
Created attachment 1722479 [details] File: backtrace
Created attachment 1722480 [details] File: core_backtrace
Created attachment 1722481 [details] File: cpuinfo
Created attachment 1722482 [details] File: dso_list
Created attachment 1722483 [details] File: environ
Created attachment 1722484 [details] File: limits
Created attachment 1722485 [details] File: maps
Created attachment 1722486 [details] File: mountinfo
Created attachment 1722487 [details] File: open_fds
Created attachment 1722488 [details] File: proc_pid_status
Created attachment 1722489 [details] File: var_log_messages
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