Hi, The last few days I am getting repeated panics on amd64 -current running under VirtualBox (latest 5.1.14 version at the moment) as follows: --- panic: auidui_init_ringbuffer: blksize=0 fatal breakpoint trap in supervisor mode trap type 1 code 0 rip ffffffff80115455 cs 8 rflags 246 cr2 0 ilevel 8 rsp fffffe8043d4bf80 curlwp 0xfffffe8043d54620 pid 0.45 lowest kstack 0xfffffe8043d492c0 Stopped in pid 0.45 (system) at netbsd:breakpoint+0x5: leave db{2}> bt breakpoint() at netbsd:breakpoint+0x5 vpanic() at netbsd:vpanic+0x140 snprintf() at netbsd:snprintf audio_initbufs() at netbsd:audio_initbufs audio_initbufs() at netbsd:audio_initbufs+0xb4 audiosetinfo() at netbsd:audiosetinfo+0x95e audio_set_vchan_defaults.isra.14.constprop.16() at netbsd:audio_set_vchan_defaults.isra.14.constprop.16+0x17b audioattach() at netbsd:audioattach+0x68a config_attach_loc() at netbsd:config_attach_loc+0x17a config_found_sm_loc() at netbsd:config_found_sm_loc+0x48 audio_attach_mi() at netbsd:audio_attach_mi+0x32 auich_finish_attach() at netbsd:auich_finish_attach+0x4e config_interrupts_thread() at netbsd:config_interrupts_thread+0x30 db{2}> ----
If I disable auich, it boots fine. The dmesg buffer is not saved and for some reason 'reboot 0x104' does not produce a dump, so the above is manually taken. Chavdar