panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *411412 1287 0 0x8000000 0x4000000 0 syz-executor.3 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828eb212) at panic+0x17b sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82e81230,9,0) at witness_checkorder+0xd03 witness_debugger sys/kern/subr_witness.c:2524 [inline] witness_checkorder(ffffffff82e81230,9,0) at witness_checkorder+0xd03 sys/kern/subr_witness.c:786 __mp_lock(ffffffff82e81028) at __mp_lock+0xa2 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82e81028) at __mp_lock+0xa2 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82e81028) at __mp_lock+0xa2 sys/kern/kern_lock.c:142 intr_handler(ffff800031724280,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xspllower() at Xspllower+0x1d mtx_enter_try(ffffffff82e6d8f0) at mtx_enter_try+0x103 mtx_enter(ffffffff82e6d8f0) at mtx_enter+0x4e sys/kern/kern_lock.c:266 pool_get(ffffffff82e6d8f0,9) at pool_get+0xc4 sys/kern/subr_pool.c:579 uvmspace_alloc(20a9b000,20adc000,1,0) at uvmspace_alloc+0x41 sys/uvm/uvm_map.c:3279 vm_impl_init(ffff80002bcb1878,ffff8000ffff42b8) at vm_impl_init+0x92 sys/arch/amd64/amd64/vmm_machdep.c:1245 vm_create(ffff800000e36c00,ffff8000ffff42b8) at vm_create+0x13e sys/dev/vmm/vmm.c:388 vmmioctl(a00,c2585601,ffff800000e36c00,2,ffff8000ffff42b8) at vmmioctl+0x2de end trace frame: 0xffff800031724740, count: 0 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828eb212) at panic+0x17b sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82e81230,9,0) at witness_checkorder+0xd03 witness_debugger sys/kern/subr_witness.c:2524 [inline] witness_checkorder(ffffffff82e81230,9,0) at witness_checkorder+0xd03 sys/kern/subr_witness.c:786 __mp_lock(ffffffff82e81028) at __mp_lock+0xa2 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82e81028) at __mp_lock+0xa2 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82e81028) at __mp_lock+0xa2 sys/kern/kern_lock.c:142 intr_handler(ffff800031724280,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xspllower() at Xspllower+0x1d mtx_enter_try(ffffffff82e6d8f0) at mtx_enter_try+0x103 mtx_enter(ffffffff82e6d8f0) at mtx_enter+0x4e sys/kern/kern_lock.c:266 pool_get(ffffffff82e6d8f0,9) at pool_get+0xc4 sys/kern/subr_pool.c:579 uvmspace_alloc(20a9b000,20adc000,1,0) at uvmspace_alloc+0x41 sys/uvm/uvm_map.c:3279 vm_impl_init(ffff80002bcb1878,ffff8000ffff42b8) at vm_impl_init+0x92 sys/arch/amd64/amd64/vmm_machdep.c:1245 vm_create(ffff800000e36c00,ffff8000ffff42b8) at vm_create+0x13e sys/dev/vmm/vmm.c:388 vmmioctl(a00,c2585601,ffff800000e36c00,2,ffff8000ffff42b8) at vmmioctl+0x2de VOP_IOCTL(fffffd806e2efcb0,c2585601,ffff800000e36c00,2,fffffd807f7d3618,ffff8000ffff42b8) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:264 vn_ioctl(fffffd80665021e8,c2585601,ffff800000e36c00,ffff8000ffff42b8) at vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff8000ffff42b8,ffff800031724a40,ffff800031724990) at sys_ioctl+0x4a9 syscall(ffff800031724a40) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff800031724a40) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb23c19eaa40, count: -19 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800031724070 rbx 0xffffffff82c8dd77 cpu_info_full_primary+0x2d77 rdx 0xffff800000e01280 rcx 0xffff8000ffff42b8 rax 0xffffffff82c8cff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xdd0e96a4ae60b563 r11 0x8f1e3831acedc608 r12 0xffffffff82c8db78 cpu_info_full_primary+0x2b78 r13 0 r14 0 r15 0x1 rip 0xffffffff81142f7c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff800031724060 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.3) tid=411412 pid=1287 tcnt=2 stat=onproc flags process=8000000 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff8000ffff4a68,0xffffffff82e9bdb0 process=0xffff8000ffff2398 user=0xffff80003171f000, vmspace=0xfffffd806b899dd8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=1 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 1287 75299 37795 0 3 0x8000080 fsleep syz-executor.3 * 1287 411412 37795 0 7 0xc000000 syz-executor.3 40674 474367 69002 0 3 0x8000080 fsleep syz-executor.2 40674 262801 69002 0 3 0xc000080 kqread syz-executor.2 96780 268012 51905 0 3 0x8000080 fsleep syz-executor.6 96780 382467 51905 0 3 0xc000080 piperd syz-executor.6 19054 259063 24308 60929 3 0x8000090 fsleep syz-executor.7 19054 336321 24308 60929 3 0xc000090 sbwait syz-executor.7 17558 346307 75429 0 3 0x8000080 fsleep syz-executor.1 17558 448023 75429 0 3 0xc000080 kqpoll syz-executor.1 30241 55335 52184 0 3 0x8000080 fsleep syz-executor.0 30241 103372 52184 0 3 0xc000080 kqsel syz-executor.0 50947 445634 2278 0 3 0x8000080 fsleep syz-executor.5 50947 199365 2278 0 3 0xc000080 sbwait syz-executor.5 52184 372157 9440 0 3 0x8000082 nanoslp syz-executor.0 69002 369420 9440 0 3 0x8000082 nanoslp syz-executor.2 24308 360576 9440 0 3 0x8000082 nanoslp syz-executor.7 75429 255403 9440 0 3 0x8000082 nanoslp syz-executor.1 51905 2637 9440 0 3 0x8000082 nanoslp syz-executor.6 2278 296631 9440 0 3 0x8000082 nanoslp syz-executor.5 37795 158713 9440 0 3 0x8000082 nanoslp syz-executor.3 68150 181067 9440 0 3 0x8000082 nanoslp syz-executor.4 9440 491221 71366 0 3 0x1a000082 wait syz-fuzzer 9440 365632 71366 0 3 0x1e000082 thrsleep syz-fuzzer 9440 416075 71366 0 3 0x1e000082 thrsleep syz-fuzzer 9440 417135 71366 0 3 0x1e000082 wait syz-fuzzer 9440 508102 71366 0 3 0x1e000082 thrsleep syz-fuzzer 9440 353736 71366 0 3 0x1e000082 wait syz-fuzzer 9440 167859 71366 0 3 0x1e000082 wait syz-fuzzer 9440 240523 71366 0 3 0x1e000082 wait syz-fuzzer 9440 252993 71366 0 3 0x1e000082 wait syz-fuzzer 9440 463137 71366 0 3 0x1e000082 wait syz-fuzzer 9440 214808 71366 0 3 0x1e000082 thrsleep syz-fuzzer 9440 203201 71366 0 3 0x1e000082 wait syz-fuzzer 9440 332214 71366 0 3 0x1e000082 thrsleep syz-fuzzer 9440 53798 71366 0 3 0x1e000082 thrsleep syz-fuzzer 9440 224207 71366 0 3 0x1e000082 kqread syz-fuzzer 9440 304105 71366 0 3 0x1e000082 thrsleep syz-fuzzer 71366 468481 34301 0 3 0x810008a sigsusp ksh 34301 140341 57403 0 3 0x1800009a kqread sshd 26674 342595 1 0 3 0x18100083 ttyin getty 57403 453165 1 0 3 0x18000088 kqread sshd 37337 71132 1023 73 3 0x19100010 ffs_fsync syslogd 1023 410571 1 0 3 0x18100082 sbwait syslogd 47250 500339 1 0 3 0x18100080 kqread resolvd 22221 368323 95964 77 3 0x18100092 kqread dhcpleased 87697 469906 95964 77 3 0x18100092 kqread dhcpleased 95964 462871 1 0 3 0x18000080 kqread dhcpleased 84985 1677 0 0 3 0x14200 bored smr 21065 144385 0 0 3 0x14200 pgzero zerothread 23113 58975 0 0 3 0x14200 aiodoned aiodoned 48447 2077 0 0 3 0x14200 syncer update 70359 247227 0 0 3 0x14200 cleaner cleaner 63168 289909 0 0 3 0x14200 reaper reaper 34784 45630 0 0 3 0x14200 pgdaemon pagedaemon 1039 446873 0 0 3 0x14200 bored viomb 4454 388038 0 0 3 0x40014200 acpi0 acpi0 8692 100527 0 0 7 0x40014200 idle1 30983 205400 0 0 3 0x14200 bored softnet3 89543 268373 0 0 3 0x14200 bored softnet2 90383 284435 0 0 3 0x14200 bored softnet1 36828 26965 0 0 3 0x14200 bored softnet0 5044 251289 0 0 3 0x14200 bored systqmp 35134 489413 0 0 3 0x14200 bored systq 3479 268340 0 0 3 0x14200 tmoslp softclockmp 51391 95581 0 0 3 0x40014200 tmoslp softclock 8178 17547 0 0 3 0x40014200 idle0 1 273539 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex vmsppl r = 0 (0xffffffff82e6d900) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 mtx_enter_try+0x103 #2 mtx_enter+0x4e sys/kern/kern_lock.c:266 #3 pool_get+0xc4 sys/kern/subr_pool.c:579 #4 uvmspace_alloc+0x41 sys/uvm/uvm_map.c:3279 #5 vm_impl_init+0x92 sys/arch/amd64/amd64/vmm_machdep.c:1245 #6 vm_create+0x13e sys/dev/vmm/vmm.c:388 #7 vmmioctl+0x2de #8 VOP_IOCTL+0x9a sys/kern/vfs_vops.c:264 #9 vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525 #10 sys_ioctl+0x4a9 #11 syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] #11 syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 Process 37337 (syslogd) thread 0xffff8000ffffd9b0 (71132) exclusive rrwlock inode r = 0 (0xfffffd806e7511b0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 sys_fsync+0xf1 sys/kern/vfs_syscalls.c:2904 #6 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #6 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10197 6739K 6740K 166960K 11339 0 pcb 17 12K 12K 166960K 31 0 rtable 237 7K 7K 166960K 365 0 pf 29 8K 10K 166960K 44 0 ifaddr 44 15K 15K 166960K 48 0 ifgroup 50 2K 2K 166960K 54 0 counters 64 36K 36K 166960K 68 0 ioctlops 1 1K 4K 166960K 1486 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1368 86K 86K 166960K 1418 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 4 0 VM map 2 1K 1K 166960K 2 0 sem 5 0K 0K 166960K 5 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 17 61K 89K 166960K 199 0 sigio 0 0K 0K 166960K 1 0 proc 58 79K 115K 166960K 487 0 subproc 104 6K 6K 166960K 104 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 17 0 in_multi 99 7K 7K 166960K 104 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 49 228K 228K 166960K 49 0 exec 0 0K 1K 166960K 410 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 284 77K 94K 166960K 4115 0 UVM aobj 7 2K 2K 166960K 7 0 pinsyscall 37 74K 100K 166960K 1334 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 5 0 NDP 11 0K 1K 166960K 29 0 temp 35 6806K 6870K 166960K 6410 0 kqueue 14 18K 24K 166960K 38 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 24 0 0 1 0 1 1 0 8 0 rtpcb 120 41 0 37 1 0 1 1 0 8 0 rtentry 112 111 0 1 4 0 4 4 0 8 0 unpcb 144 110 0 91 1 0 1 1 0 8 0 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpqe 32 17 0 17 1 1 0 1 0 8 0 tcpcb 808 45 0 39 2 0 2 2 0 8 1 arp 120 18 0 0 1 0 1 1 0 8 0 inpcb 384 161 0 152 3 0 3 3 0 8 1 nd6 136 24 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1168 2 0 2 1 0 1 1 0 8 1 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 1 0 0 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 27 0 3 1 0 1 1 0 8 0 pfstkey 128 27 0 3 1 0 1 1 0 8 0 pfstate 376 27 0 3 3 0 3 3 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 452 0 0 29 0 29 29 0 8 0 art_table 32 453 0 0 4 0 4 4 0 8 0 art_node 16 110 0 10 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 3 0 0 1 0 1 1 0 8 0 shmpl 112 4 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1692 0 170 96 0 96 96 0 8 0 ffsino 272 1692 0 170 102 0 102 102 0 8 0 nchpl 144 2074 0 294 67 0 67 67 0 8 0 uvmvnodes 80 1830 0 0 38 0 38 38 0 8 0 vnodes 216 1830 0 0 102 0 102 102 0 8 0 namei 1024 7133 0 7133 3 2 1 3 0 8 1 percpumem 16 48 0 2 1 0 1 1 0 8 0 vmpool 696 2 0 1 1 0 1 1 0 8 0 kstatmem 264 26 0 4 2 0 2 2 0 8 0 scxspl 216 8456 0 8455 10 2 8 8 1 8 7 plimitpl 152 48 0 32 1 0 1 1 0 8 0 sigapl 424 506 0 459 7 1 6 7 0 8 0 futexpl 64 1561 0 1554 2 1 1 1 0 8 0 knotepl 120 355 0 0 11 0 11 11 0 8 0 kqueuepl 216 44 0 33 1 0 1 1 0 8 0 pipepl 320 145 0 116 3 0 3 3 0 8 0 fdescpl 496 488 0 460 6 1 5 5 0 8 0 filepl 152 2270 0 2015 11 0 11 11 0 8 1 lockfpl 104 24 0 22 1 0 1 1 0 8 0 lockfspl 48 12 0 10 1 0 1 1 0 8 0 sessionpl 144 23 0 7 1 0 1 1 0 8 0 pgrppl 48 23 0 7 1 0 1 1 0 8 0 ucredpl 104 178 0 167 1 0 1 1 0 8 0 zombiepl 144 460 0 459 1 0 1 1 0 8 0 processpl 1136 506 0 459 4 0 4 4 0 8 0 procpl 656 603 0 534 6 0 6 6 0 8 0 sockpl 664 314 0 281 4 0 4 4 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 305 0 0 39 0 39 39 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 333 0 0 21 0 21 21 0 8 0 bufpl 280 5086 0 188 350 0 350 350 0 8 0 anonpl 24 221693 0 215846 67 2 65 65 0 186 26 amapchunkpl 152 14065 0 13386 35 0 35 35 0 158 8 amappl16 200 5956 0 5798 12 0 12 12 0 8 3 amappl15 192 42 0 40 2 1 1 1 0 8 0 amappl14 184 166 0 154 2 1 1 2 0 8 0 amappl13 176 25 0 25 1 1 0 1 0 8 0 amappl12 168 1146 0 1115 3 1 2 3 0 8 0 amappl11 160 53 0 43 1 0 1 1 0 8 0 amappl10 152 39 0 31 1 0 1 1 0 8 0 amappl9 144 194 0 194 2 2 0 1 0 8 0 amappl8 136 150 0 114 2 0 2 2 0 8 0 amappl7 128 47 0 38 1 0 1 1 0 8 0 amappl6 120 323 0 311 2 1 1 2 0 8 0 amappl5 112 177 0 164 1 0 1 1 0 8 0 amappl4 104 542 0 508 2 0 2 2 0 8 0 amappl3 96 3220 0 3132 3 0 3 3 0 8 0 amappl2 88 875 0 807 4 2 2 4 0 8 0 amappl1 80 9758 0 9266 22 7 15 22 0 8 4 amappl 88 3582 0 3387 5 0 5 5 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 6 0 0 1 0 1 1 0 8 0 uaddrrnd 24 489 0 461 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 489 0 461 1 0 1 1 0 8 0 vmmpekpl 168 8686 0 8629 3 0 3 3 0 8 0 vmmpepl 168 53561 0 51648 117 4 113 117 0 357 27 vmsppl 440 488 0 461 4 0 4 4 0 8 0 rwobjpl 56 22853 0 19917 48 4 44 48 0 8 2 pdppl 4096 985 0 922 95 30 65 79 0 8 2 pvpl 32 48149 0 0 390 1 389 389 0 265 0 pmappl 248 488 0 461 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 398 0 35 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828eb212) at panic+0x17b sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82e81230,9,0) at witness_checkorder+0xd03 witness_debugger sys/kern/subr_witness.c:2524 [inline] witness_checkorder(ffffffff82e81230,9,0) at witness_checkorder+0xd03 sys/kern/subr_witness.c:786 __mp_lock(ffffffff82e81028) at __mp_lock+0xa2 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82e81028) at __mp_lock+0xa2 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82e81028) at __mp_lock+0xa2 sys/kern/kern_lock.c:142 intr_handler(ffff800031724280,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xspllower() at Xspllower+0x1d mtx_enter_try(ffffffff82e6d8f0) at mtx_enter_try+0x103 mtx_enter(ffffffff82e6d8f0) at mtx_enter+0x4e sys/kern/kern_lock.c:266 pool_get(ffffffff82e6d8f0,9) at pool_get+0xc4 sys/kern/subr_pool.c:579 uvmspace_alloc(20a9b000,20adc000,1,0) at uvmspace_alloc+0x41 sys/uvm/uvm_map.c:3279 vm_impl_init(ffff80002bcb1878,ffff8000ffff42b8) at vm_impl_init+0x92 sys/arch/amd64/amd64/vmm_machdep.c:1245 vm_create(ffff800000e36c00,ffff8000ffff42b8) at vm_create+0x13e sys/dev/vmm/vmm.c:388 vmmioctl(a00,c2585601,ffff800000e36c00,2,ffff8000ffff42b8) at vmmioctl+0x2de VOP_IOCTL(fffffd806e2efcb0,c2585601,ffff800000e36c00,2,fffffd807f7d3618,ffff8000ffff42b8) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:264 vn_ioctl(fffffd80665021e8,c2585601,ffff800000e36c00,ffff8000ffff42b8) at vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff8000ffff42b8,ffff800031724a40,ffff800031724990) at sys_ioctl+0x4a9 syscall(ffff800031724a40) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff800031724a40) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb23c19eaa40, count: -19 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 acpicpu_idle() at acpicpu_idle+0x2f1 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800029cebff0) at sched_idle+0x41d sys/kern/kern_sched.c:183 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 acpicpu_idle() at acpicpu_idle+0x2f1 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800029cebff0) at sched_idle+0x41d sys/kern/kern_sched.c:183 end trace frame: 0x0, count: -5