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 322184 8689 0 0x8000000 0 1 syz-executor.1 *387647 93273 0 0x8000000 0x4000000 0 syz-executor.7 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828e8745) at panic+0x17b sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82e31640,9,0) at witness_checkorder+0xd03 witness_debugger sys/kern/subr_witness.c:2524 [inline] witness_checkorder(ffffffff82e31640,9,0) at witness_checkorder+0xd03 sys/kern/subr_witness.c:786 __mp_lock(ffffffff82e31438) at __mp_lock+0xa2 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82e31438) at __mp_lock+0xa2 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82e31438) at __mp_lock+0xa2 sys/kern/kern_lock.c:142 softintr_dispatch(0) at softintr_dispatch+0x52 sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 pool_do_get(ffffffff82e90320,9,ffff8000329d2ef8) at pool_do_get+0x2b5 pool_update_curpage sys/kern/subr_pool.c:1057 [inline] pool_do_get(ffffffff82e90320,9,ffff8000329d2ef8) at pool_do_get+0x2b5 sys/kern/subr_pool.c:765 pool_get(ffffffff82e90320,9) at pool_get+0xf0 sys/kern/subr_pool.c:582 uvmspace_alloc(0,1000,1,0) at uvmspace_alloc+0x41 sys/uvm/uvm_map.c:3279 vm_impl_init(ffff80003297ada0,ffff80002d4d02c0) at vm_impl_init+0x92 sys/arch/amd64/amd64/vmm_machdep.c:1245 vm_create(ffff800000e8ac00,ffff80002d4d02c0) at vm_create+0x13e sys/dev/vmm/vmm.c:388 vmmioctl(a00,c2585601,ffff800000e8ac00,1,ffff80002d4d02c0) at vmmioctl+0x2de VOP_IOCTL(fffffd806e2ecd88,c2585601,ffff800000e8ac00,1,fffffd807f7d3820,ffff80002d4d02c0) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:264 vn_ioctl(fffffd805ff0a720,c2585601,ffff800000e8ac00,ffff80002d4d02c0) at vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525 end trace frame: 0xffff8000329d33b0, 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(ffffffff828e8745) at panic+0x17b sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82e31640,9,0) at witness_checkorder+0xd03 witness_debugger sys/kern/subr_witness.c:2524 [inline] witness_checkorder(ffffffff82e31640,9,0) at witness_checkorder+0xd03 sys/kern/subr_witness.c:786 __mp_lock(ffffffff82e31438) at __mp_lock+0xa2 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82e31438) at __mp_lock+0xa2 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82e31438) at __mp_lock+0xa2 sys/kern/kern_lock.c:142 softintr_dispatch(0) at softintr_dispatch+0x52 sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 pool_do_get(ffffffff82e90320,9,ffff8000329d2ef8) at pool_do_get+0x2b5 pool_update_curpage sys/kern/subr_pool.c:1057 [inline] pool_do_get(ffffffff82e90320,9,ffff8000329d2ef8) at pool_do_get+0x2b5 sys/kern/subr_pool.c:765 pool_get(ffffffff82e90320,9) at pool_get+0xf0 sys/kern/subr_pool.c:582 uvmspace_alloc(0,1000,1,0) at uvmspace_alloc+0x41 sys/uvm/uvm_map.c:3279 vm_impl_init(ffff80003297ada0,ffff80002d4d02c0) at vm_impl_init+0x92 sys/arch/amd64/amd64/vmm_machdep.c:1245 vm_create(ffff800000e8ac00,ffff80002d4d02c0) at vm_create+0x13e sys/dev/vmm/vmm.c:388 vmmioctl(a00,c2585601,ffff800000e8ac00,1,ffff80002d4d02c0) at vmmioctl+0x2de VOP_IOCTL(fffffd806e2ecd88,c2585601,ffff800000e8ac00,1,fffffd807f7d3820,ffff80002d4d02c0) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:264 vn_ioctl(fffffd805ff0a720,c2585601,ffff800000e8ac00,ffff80002d4d02c0) at vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff80002d4d02c0,ffff8000329d3490,ffff8000329d33e0) at sys_ioctl+0x4a9 syscall(ffff8000329d3490) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff8000329d3490) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf4e0ca938d0, count: -17 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000329d2b40 rbx 0xffffffff82cf7d77 cpu_info_full_primary+0x2d77 rdx 0 rcx 0xffff80002d4d02c0 rax 0xffffffff82cf6ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x7f543292b2779b99 r11 0x7e025f6fd782f59b r12 0xffffffff82cf7b78 cpu_info_full_primary+0x2b78 r13 0 r14 0 r15 0x1 rip 0xffffffff827f493c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff8000329d2b30 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.7) tid=387647 pid=93273 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=0xffff80002d4d1740,0xffffffff82e9b158 process=0xffff8000ffff8d60 user=0xffff8000329ce000, vmspace=0xfffffd80688b4dd8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=1 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 8689 322184 82218 0 7 0x8000000 syz-executor.1 8689 437602 82218 0 3 0xc000080 kqpoll syz-executor.1 93273 311773 48385 0 2 0x8000000 syz-executor.7 *93273 387647 48385 0 7 0xc000000 syz-executor.7 53165 41544 36018 0 2 0x8000000 syz-executor.4 53165 199569 36018 0 3 0xc000080 bell syz-executor.4 89761 56026 31979 0 3 0x8000080 nanoslp syz-executor.5 89761 243004 31979 0 3 0xc000080 kqsel syz-executor.5 89761 333921 31979 0 3 0xc000080 fsleep syz-executor.5 32522 138195 51172 0 3 0x8000080 nanoslp syz-executor.2 32522 9231 51172 0 3 0xc000080 netcon syz-executor.2 32522 322007 51172 0 3 0xc000080 lockf syz-executor.2 32522 97505 51172 0 3 0xc000080 fsleep syz-executor.2 53547 206454 94370 60929 3 0x8000090 nanoslp syz-executor.3 53547 471938 94370 60929 3 0xc000090 kqsel syz-executor.3 53547 307285 94370 60929 3 0xc000090 fsleep syz-executor.3 26079 224341 85581 0 3 0x8000090 nanoslp syz-executor.6 26079 199713 85581 0 3 0xc000090 sbwait syz-executor.6 26079 298345 85581 0 3 0xc000090 fsleep syz-executor.6 7133 202634 99770 60928 3 0x8000090 nanoslp syz-executor.0 7133 430422 99770 60928 3 0xc000090 kqread syz-executor.0 7133 520596 99770 60928 3 0xc000090 fsleep syz-executor.0 94370 476583 51029 0 3 0x8000082 nanoslp syz-executor.3 82218 68389 51029 0 3 0x8000082 nanoslp syz-executor.1 51172 468003 51029 0 3 0x8000082 nanoslp syz-executor.2 48385 414889 51029 0 3 0x8000082 nanoslp syz-executor.7 31979 311698 51029 0 3 0x8000082 nanoslp syz-executor.5 85581 70911 51029 0 3 0x8000082 nanoslp syz-executor.6 76595 263676 0 0 3 0x14200 bored sosplice 97910 134055 92575 0 3 0x18100082 netio arp 92575 132173 1 0 3 0x810008a sigsusp sh 99770 486629 51029 0 3 0x8000082 nanoslp syz-executor.0 36018 29342 51029 0 3 0x8000082 nanoslp syz-executor.4 51029 259829 51531 0 3 0x1a000082 wait syz-fuzzer 51029 11962 51531 0 3 0x1e000082 thrsleep syz-fuzzer 51029 394404 51531 0 3 0x1e000082 kqread syz-fuzzer 51029 419154 51531 0 3 0x1e000082 thrsleep syz-fuzzer 51029 463885 51531 0 3 0x1e000082 thrsleep syz-fuzzer 51029 154900 51531 0 3 0x1e000082 wait syz-fuzzer 51029 351029 51531 0 3 0x1e000082 thrsleep syz-fuzzer 51029 134532 51531 0 3 0x1e000082 wait syz-fuzzer 51029 109352 51531 0 3 0x1e000082 thrsleep syz-fuzzer 51029 163003 51531 0 3 0x1e000082 wait syz-fuzzer 51029 273955 51531 0 3 0x1e000082 thrsleep syz-fuzzer 51029 410237 51531 0 3 0x1e000082 wait syz-fuzzer 51029 120239 51531 0 3 0x1e000082 wait syz-fuzzer 51029 480048 51531 0 3 0x1e000082 thrsleep syz-fuzzer 51029 318908 51531 0 3 0x1e000082 wait syz-fuzzer 51029 92909 51531 0 3 0x1e000082 wait syz-fuzzer 51531 229764 43 0 3 0x810008a sigsusp ksh 43 90858 41445 0 3 0x1800009a kqread sshd 68834 54300 1 0 3 0x18100083 ttyin getty 41445 43274 1 0 3 0x18000088 kqread sshd 83019 95382 27353 73 3 0x19100090 kqread syslogd 27353 416672 1 0 3 0x18100082 sbwait syslogd 45800 370431 1 0 3 0x18100080 kqread resolvd 43911 277635 91019 77 3 0x18100092 kqread dhcpleased 94821 261408 91019 77 3 0x18100092 kqread dhcpleased 91019 275547 1 0 3 0x18000080 kqread dhcpleased 23667 141857 0 0 3 0x14200 bored smr 86316 499222 0 0 3 0x14200 pgzero zerothread 57922 188476 0 0 3 0x14200 aiodoned aiodoned 31940 408777 0 0 3 0x14200 syncer update 51689 129727 0 0 3 0x14200 cleaner cleaner 15191 288278 0 0 3 0x14200 reaper reaper 64087 20233 0 0 3 0x14200 pgdaemon pagedaemon 44154 49590 0 0 3 0x14200 bored viomb 61246 507483 0 0 3 0x40014200 acpi0 acpi0 37357 136536 0 0 3 0x40014200 idle1 5908 287280 0 0 3 0x14200 bored softnet3 83056 11118 0 0 3 0x14200 bored softnet2 29598 321223 0 0 3 0x14200 bored softnet1 5408 3870 0 0 3 0x14200 bored softnet0 70491 138956 0 0 3 0x14200 bored systqmp 38067 197450 0 0 3 0x14200 bored systq 77494 239425 0 0 3 0x14200 tmoslp softclockmp 92440 446727 0 0 3 0x40014200 tmoslp softclock 61198 1254 0 0 3 0x40014200 idle0 1 511571 0 0 3 0x8080082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex vmsppl r = 0 (0xffffffff82e90330) #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 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10202 6574K 6831K 166960K 12126 0 pcb 18 12K 12K 166960K 131 0 rtable 217 7K 7K 166960K 688 0 pf 27 8K 10K 166960K 65 0 ifaddr 41 15K 15K 166960K 89 0 ifgroup 46 2K 2K 166960K 97 0 sysctl 2 0K 0K 166960K 2 0 counters 62 36K 36K 166960K 88 0 ioctlops 1 1K 4K 166960K 1518 0 iov 0 0K 16K 166960K 42 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1393 88K 88K 166960K 1975 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 18 0 VM map 2 1K 1K 166960K 2 0 sem 10 1K 1K 166960K 11 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 20 73K 93K 166960K 923 0 sigio 0 0K 0K 166960K 9 0 proc 58 79K 103K 166960K 780 0 subproc 117 7K 8K 166960K 247 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 112 0 in_multi 88 6K 7K 166960K 235 0 ether_multi 1 0K 0K 166960K 9 0 mrt 2 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 109 493K 493K 166960K 109 0 exec 0 0K 1K 166960K 583 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 313 76K 86K 166960K 10293 0 UVM aobj 36 4K 4K 166960K 41 0 pinsyscall 41 82K 100K 166960K 2289 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 48 0 NDP 10 0K 1K 166960K 55 0 temp 77 6820K 6884K 166960K 37957 0 kqueue 14 22K 24K 166960K 136 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 120 123 0 118 1 0 1 1 0 8 0 rtentry 112 226 0 128 4 0 4 4 0 8 0 unpcb 144 591 0 575 2 1 1 2 0 8 0 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpqe 32 25 0 25 1 1 0 1 0 8 0 tcpcb 808 225 0 217 5 3 2 2 0 8 1 arp 120 43 0 26 1 0 1 1 0 8 0 inpcb 384 901 0 887 11 5 6 6 0 8 4 nd6 136 54 0 32 1 0 1 1 0 8 0 pkpcb 40 4 0 4 3 2 1 1 0 8 1 kcovpl 48 19 0 10 1 0 1 1 0 8 0 ppxss 1168 1 0 1 1 1 0 1 0 8 0 pffrag 232 7 0 4 1 0 1 1 0 482 0 pffrnode 88 7 0 4 1 0 1 1 0 8 0 pffrent 40 56 0 53 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 89 0 50 1 0 1 1 0 8 0 pfstkey 128 89 0 50 2 0 2 2 0 8 0 pfstate 376 89 0 50 5 0 5 5 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 256 845 0 439 35 6 29 29 0 8 1 art_table 32 846 0 439 4 0 4 4 0 8 0 art_node 16 224 0 137 1 0 1 1 0 8 0 sysvmsgpl 40 15 0 9 2 1 1 1 0 8 0 semapl 112 9 0 1 1 0 1 1 0 8 0 shmpl 112 38 0 5 1 0 1 1 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 2818 0 1302 96 0 96 96 0 8 0 ffsino 272 2818 0 1302 102 0 102 102 0 8 0 nchpl 144 4246 0 2498 67 0 67 67 0 8 0 uvmvnodes 80 3340 0 0 69 0 69 69 0 8 0 vnodes 216 3340 0 0 186 0 186 186 0 8 0 namei 1024 15184 0 15184 5 4 1 2 0 8 1 percpumem 16 58 0 13 1 0 1 1 0 8 0 vcpupl 3904 3 0 0 1 0 1 1 0 8 0 vmpool 696 6 0 2 2 1 1 1 0 8 0 kstatmem 264 46 0 26 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 25527 0 25527 10 9 1 8 1 8 1 plimitpl 152 161 0 145 1 0 1 1 0 8 0 sigapl 424 1206 0 1156 7 0 7 7 0 8 0 futexpl 64 12337 0 12332 3 2 1 1 0 8 0 knotepl 120 635 0 0 19 0 19 19 0 8 0 kqueuepl 216 280 0 266 1 0 1 1 0 8 0 pipepl 320 263 0 231 3 0 3 3 0 8 0 fdescpl 496 1185 0 1154 6 1 5 5 0 8 0 filepl 152 7109 0 6818 16 3 13 13 0 8 0 lockfpl 104 253 0 247 1 0 1 1 0 8 0 lockfspl 48 107 0 102 1 0 1 1 0 8 0 sessionpl 144 32 0 15 1 0 1 1 0 8 0 pgrppl 48 47 0 30 1 0 1 1 0 8 0 ucredpl 104 1089 0 1076 1 0 1 1 0 8 0 zombiepl 144 1156 0 1156 1 0 1 1 0 8 1 processpl 1136 1206 0 1156 4 0 4 4 0 8 0 procpl 656 2069 0 1990 7 0 7 7 0 8 0 srpgc 96 16 0 16 3 2 1 1 0 8 1 sosppl 168 5 0 5 2 1 1 1 0 8 1 sockpl 664 1632 0 1598 11 5 6 6 0 8 3 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 314 0 0 40 0 40 40 0 8 0 mtagpl 96 6 0 0 1 0 1 1 0 8 0 mbufpl 256 424 0 0 25 0 25 25 0 8 0 bufpl 280 7508 0 1253 447 0 447 447 0 8 0 anonpl 24 278204 0 271599 97 31 66 67 0 186 21 amapchunkpl 152 33648 0 32857 48 13 35 39 0 158 4 amappl16 200 6968 0 6833 33 24 9 20 0 8 0 amappl15 192 70 0 69 1 0 1 1 0 8 0 amappl14 184 185 0 174 2 1 1 2 0 8 0 amappl13 176 15 0 15 1 1 0 1 0 8 0 amappl12 168 1955 0 1918 3 1 2 3 0 8 0 amappl11 160 56 0 46 1 0 1 1 0 8 0 amappl10 152 60 0 52 1 0 1 1 0 8 0 amappl9 144 186 0 186 2 2 0 1 0 8 0 amappl8 136 218 0 179 2 0 2 2 0 8 0 amappl7 128 66 0 52 1 0 1 1 0 8 0 amappl6 120 434 0 416 2 1 1 2 0 8 0 amappl5 112 208 0 194 1 0 1 1 0 8 0 amappl4 104 606 0 569 2 0 2 2 0 8 0 amappl3 96 6807 0 6703 3 0 3 3 0 8 0 amappl2 88 1663 0 1583 4 2 2 4 0 8 0 amappl1 80 12634 0 12111 23 11 12 22 0 8 0 amappl 88 9645 0 9416 6 0 6 6 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 40 0 5 1 0 1 1 0 8 0 uaddrrnd 24 1191 0 1157 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1191 0 1157 1 0 1 1 0 8 0 vmmpekpl 168 13007 0 12936 4 0 4 4 0 8 0 vmmpepl 168 95727 0 93656 145 39 106 114 0 357 13 vmsppl 440 1190 0 1157 4 0 4 4 0 8 0 rwobjpl 56 32830 0 28278 72 7 65 65 0 8 0 pdppl 4096 2389 0 2317 152 80 72 79 0 8 0 pvpl 32 45610 0 0 369 1 368 368 0 265 0 pmappl 248 1190 0 1157 5 2 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 472 0 97 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(ffffffff828e8745) at panic+0x17b sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82e31640,9,0) at witness_checkorder+0xd03 witness_debugger sys/kern/subr_witness.c:2524 [inline] witness_checkorder(ffffffff82e31640,9,0) at witness_checkorder+0xd03 sys/kern/subr_witness.c:786 __mp_lock(ffffffff82e31438) at __mp_lock+0xa2 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82e31438) at __mp_lock+0xa2 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82e31438) at __mp_lock+0xa2 sys/kern/kern_lock.c:142 softintr_dispatch(0) at softintr_dispatch+0x52 sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 pool_do_get(ffffffff82e90320,9,ffff8000329d2ef8) at pool_do_get+0x2b5 pool_update_curpage sys/kern/subr_pool.c:1057 [inline] pool_do_get(ffffffff82e90320,9,ffff8000329d2ef8) at pool_do_get+0x2b5 sys/kern/subr_pool.c:765 pool_get(ffffffff82e90320,9) at pool_get+0xf0 sys/kern/subr_pool.c:582 uvmspace_alloc(0,1000,1,0) at uvmspace_alloc+0x41 sys/uvm/uvm_map.c:3279 vm_impl_init(ffff80003297ada0,ffff80002d4d02c0) at vm_impl_init+0x92 sys/arch/amd64/amd64/vmm_machdep.c:1245 vm_create(ffff800000e8ac00,ffff80002d4d02c0) at vm_create+0x13e sys/dev/vmm/vmm.c:388 vmmioctl(a00,c2585601,ffff800000e8ac00,1,ffff80002d4d02c0) at vmmioctl+0x2de VOP_IOCTL(fffffd806e2ecd88,c2585601,ffff800000e8ac00,1,fffffd807f7d3820,ffff80002d4d02c0) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:264 vn_ioctl(fffffd805ff0a720,c2585601,ffff800000e8ac00,ffff80002d4d02c0) at vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff80002d4d02c0,ffff8000329d3490,ffff8000329d33e0) at sys_ioctl+0x4a9 syscall(ffff8000329d3490) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff8000329d3490) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf4e0ca938d0, count: -17 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 end of kernel end trace frame: 0x7407c22c3650, count: 12 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 end of kernel end trace frame: 0x7407c22c3650, count: -3