[   1.8339477]  target 2 lun 0: <Google, PersistentDisk, 1> disk fixedpanic: 
  1.8907251] LOCKDEBUG: Mutex error: mi_switch,528: spin lock held
[   1.8940406] cpu1:sB0ginatracaback.. 
   1.8940406] eometry
[   1.8940406] sd0: 8192 MB, 8192 cyl, 64 head, 32 sec, 512 bytes/sect x 16777216 sectors
[   1.9140694] sd0: fabricating a geometry
[   1.9140694] vpanic() at netbsd:vpanic+0x241 sys/kern/subr_prf.c:336
[   1.9741926] sd0: async, 8-bit transfers, tagged quiuef(g [   1.9741926] at netbsd:snprintf
[   2.0443123] lockdebug_more() at netbsd:lockdebug_more
[   2.0843732] lockdebug_barrier() at netbsd:lockdebug_barrier+0xfe sys/kern/subr_lockdebug.c:684
[   2.0843732] mi_switch() at netbsd:mi_switch+0xfb sys/kern/kern_synch.c:532
[   2.0843732] idle_loop() at netbsd:idle_loop+0x34a x86_curlwp sys/arch/amd64/compile/obj/GENERIC_SYZKALLER/./machine/cpu.h:79 [inline]
[   2.0843732] idle_loop() at netbsd:idle_loop+0x34a sys/kern/kern_idle.c:99
[   2.0843732] cpu_hatch() at netbsd:cpu_hatch+0x270 sys/arch/x86/x86/cpu.c:980
[   2.0843732] Bad frame pointer: 0xffffa8800f738100
[   2.0843732] cpu1: End traceback...
[   2.0843732] fatal breakpoint trap in supervisor mode
[   2.0843732] trap type 1 code 0 rip 0xffffffff8021ccb5 cs 0x8 rflags 0x246 cr2 0 ilevel 0x8 rsp 0xffffa8816db37b50
[   2.0843732] curlwp 0xffffa8800f738100 pid 0.20 lowest kstack 0xffffa8816db302c0
Stopped in pid 0.20 (system) at netbsd:breakpoint+0x5:  leave
db{1}>