linux-kvm: Segfault in pipewire (but not in linux-desktop)

[joebonrichie]

In a VM environment pipewire segfaults on startup, the segfault does not occur when using the linux-desktop kernel instead.

(gdb) bt
#0  snd_seq_event_retrieve_buffer (seq=0x55b32fc310e0, retp=<optimized out>) at seq/seq.c:4529
#1  snd_seq_event_input (seq=<optimized out>, ev=<optimized out>) at seq/seq.c:4583
#2  0x00007f80e8ba26ff in snd_seq_ump_event_input (seq=<optimized out>, ev=<optimized out>) at seq/seq.c:4730
#3  0x00007f80e94d5ddd in alsa_seq_on_sys (source=<optimized out>) at ../spa/plugins/alsa/alsa-seq.c:273
#4  0x00007f80eb14a6c6 in loop_iterate (object=<optimized out>, timeout=<optimized out>) at ../spa/plugins/support/loop.c:726
#5  0x00007f80eb21e6c2 in spa_loop_control_iterate_fast (object=0xfffffffffe7e7823, timeout=-1) at ../spa/include/spa/support/loop.h:312
#6  pw_loop_iterate (object=<optimized out>, timeout=-1) at ../src/pipewire/loop.h:89
#7  pw_main_loop_run (loop=0x55b32fb2c190) at ../src/pipewire/main-loop.c:130
#8  0x000055b30bdae8ea in main (argc=<optimized out>, argv=<optimized out>) at ../src/daemon/pipewire.c:130