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 257566 78308 0 0x8000000 0 1 syz-executor.3 *163038 78308 0 0x8000000 0x4000000 0 syz-executor.3 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828ebee0) at panic+0x17b sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82e0ba30,9,0) at witness_checkorder+0xd03 witness_debugger sys/kern/subr_witness.c:2524 [inline] witness_checkorder(ffffffff82e0ba30,9,0) at witness_checkorder+0xd03 sys/kern/subr_witness.c:786 __mp_lock(ffffffff82e0b828) at __mp_lock+0xa2 read_rflags machine/cpufunc.h:193 [inline] __mp_lock(ffffffff82e0b828) at __mp_lock+0xa2 intr_disable machine/cpufunc.h:214 [inline] __mp_lock(ffffffff82e0b828) at __mp_lock+0xa2 sys/kern/kern_lock.c:142 intr_handler(ffff80002a21a810,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(ffffffff82d98ba0) at mtx_enter_try+0x103 mtx_enter(ffffffff82d98ba0) at mtx_enter+0x4e sys/kern/kern_lock.c:266 pool_get(ffffffff82d98ba0,9) at pool_get+0xc4 sys/kern/subr_pool.c:579 uvmspace_alloc(0,1000,1,0) at uvmspace_alloc+0x41 sys/uvm/uvm_map.c:3279 vm_impl_init(ffff80002a222018,ffff80002a224d18) at vm_impl_init+0x92 sys/arch/amd64/amd64/vmm_machdep.c:1244 vm_create(ffff800000e53800,ffff80002a224d18) at vm_create+0x13e sys/dev/vmm/vmm.c:388 vmmioctl(a00,c2585601,ffff800000e53800,1,ffff80002a224d18) at vmmioctl+0x2de end trace frame: 0xffff80002a21acd0, 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(ffffffff828ebee0) at panic+0x17b sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82e0ba30,9,0) at witness_checkorder+0xd03 witness_debugger sys/kern/subr_witness.c:2524 [inline] witness_checkorder(ffffffff82e0ba30,9,0) at witness_checkorder+0xd03 sys/kern/subr_witness.c:786 __mp_lock(ffffffff82e0b828) at __mp_lock+0xa2 read_rflags machine/cpufunc.h:193 [inline] __mp_lock(ffffffff82e0b828) at __mp_lock+0xa2 intr_disable machine/cpufunc.h:214 [inline] __mp_lock(ffffffff82e0b828) at __mp_lock+0xa2 sys/kern/kern_lock.c:142 intr_handler(ffff80002a21a810,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(ffffffff82d98ba0) at mtx_enter_try+0x103 mtx_enter(ffffffff82d98ba0) at mtx_enter+0x4e sys/kern/kern_lock.c:266 pool_get(ffffffff82d98ba0,9) at pool_get+0xc4 sys/kern/subr_pool.c:579 uvmspace_alloc(0,1000,1,0) at uvmspace_alloc+0x41 sys/uvm/uvm_map.c:3279 vm_impl_init(ffff80002a222018,ffff80002a224d18) at vm_impl_init+0x92 sys/arch/amd64/amd64/vmm_machdep.c:1244 vm_create(ffff800000e53800,ffff80002a224d18) at vm_create+0x13e sys/dev/vmm/vmm.c:388 vmmioctl(a00,c2585601,ffff800000e53800,1,ffff80002a224d18) at vmmioctl+0x2de VOP_IOCTL(fffffd806e3b9bd8,c2585601,ffff800000e53800,1,fffffd807f7d38f0,ffff80002a224d18) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806c0a2d28,c2585601,ffff800000e53800,ffff80002a224d18) at vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff80002a224d18,ffff80002a21afd0,ffff80002a21af20) at sys_ioctl+0x4a9 syscall(ffff80002a21afd0) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002a21afd0) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9eeeac58180, count: -19 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a21a600 rbx 0xffffffff82c82d77 cpu_info_full_primary+0x2d77 rdx 0xffff800000de4dc0 rcx 0xffff80002a224d18 rax 0xffffffff82c81ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x271bc7e53cd6ea10 r11 0xda9fc7781c9fb29d r12 0xffffffff82c82b78 cpu_info_full_primary+0x2b78 r13 0 r14 0 r15 0x1 rip 0xffffffff826deb8c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002a21a5f0 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.3) tid=163038 pid=78308 tcnt=2 stat=onproc flags process=8000000 proc=4000000 runpri=32, usrpri=82, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a224a88,0xffff80002a224808 process=0xffff80002a69b560 user=0xffff80002a216000, vmspace=0xfffffd806a955c18 estcpu=32, cpticks=2, pctcpu=0.0, user=0, sys=0, intr=1 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 88819 50826 47140 0 2 0x8000000 syz-executor.4 53674 311416 9119 0 2 0x8000000 syz-executor.7 6907 332481 99436 0 2 0x8000000 syz-executor.2 6907 320110 99436 0 2 0xc000000 syz-executor.2 92107 149820 1842 0 2 0x8000000 syz-executor.6 78308 257566 70028 0 7 0x8000000 syz-executor.3 *78308 163038 70028 0 7 0xc000000 syz-executor.3 7956 314308 45141 0 2 0x8000000 syz-executor.0 7956 144744 45141 0 3 0xc000080 fsleep syz-executor.0 80376 135195 3923 0 2 0x8000000 syz-executor.1 80376 233798 3923 0 2 0xc000000 syz-executor.1 3923 505079 25493 0 3 0x8000082 nanoslp syz-executor.1 99436 99964 25493 0 3 0x8000082 nanoslp syz-executor.2 70028 8750 25493 0 3 0x8000082 nanoslp syz-executor.3 46585 83437 1 0 3 0x18100083 ttyin getty 9119 236290 25493 0 3 0x8000082 nanoslp syz-executor.7 1842 77021 25493 0 3 0x8000082 nanoslp syz-executor.6 38915 337123 0 0 3 0x14280 nfsidl nfsio 69433 64491 0 0 3 0x14280 nfsidl nfsio 57849 487144 0 0 3 0x14280 nfsidl nfsio 23563 301943 0 0 3 0x14280 nfsidl nfsio 86537 224264 0 0 3 0x14280 nfsidl nfsio 63460 283323 0 0 3 0x14280 nfsidl nfsio 20261 212683 0 0 3 0x14280 nfsidl nfsio 81022 263731 0 0 3 0x14280 nfsidl nfsio 16749 61127 0 0 3 0x14280 nfsidl nfsio 31582 109044 0 0 3 0x14280 nfsidl nfsio 32283 521904 0 0 3 0x14280 nfsidl nfsio 27356 69929 0 0 3 0x14280 nfsidl nfsio 62374 104825 0 0 3 0x14280 nfsidl nfsio 13533 242760 0 0 3 0x14280 nfsidl nfsio 39348 418338 0 0 3 0x14280 nfsidl nfsio 46354 482251 0 0 3 0x14280 nfsidl nfsio 4748 226056 0 0 3 0x14280 nfsidl nfsio 57376 70414 0 0 3 0x14280 nfsidl nfsio 18823 46622 0 0 3 0x14280 nfsidl nfsio 69688 13138 0 0 3 0x14280 nfsidl nfsio 90319 485204 0 0 3 0x14200 bored sosplice 46722 198983 25493 0 2 0x8000002 syz-executor.5 45141 160573 25493 0 3 0x8000082 nanoslp syz-executor.0 47140 508338 25493 0 3 0x8000082 nanoslp syz-executor.4 25493 233189 69116 0 3 0x1a000082 wait syz-fuzzer 25493 156192 69116 0 3 0x1e000082 nanoslp syz-fuzzer 25493 315624 69116 0 3 0x1e000082 wait syz-fuzzer 25493 65095 69116 0 3 0x1e000082 wait syz-fuzzer 25493 439199 69116 0 3 0x1e000082 thrsleep syz-fuzzer 25493 209024 69116 0 3 0x1e000082 wait syz-fuzzer 25493 363327 69116 0 3 0x1e000082 wait syz-fuzzer 25493 114483 69116 0 3 0x1e000082 thrsleep syz-fuzzer 25493 301104 69116 0 3 0x1e000082 kqread syz-fuzzer 25493 344311 69116 0 3 0x1e000082 wait syz-fuzzer 25493 128161 69116 0 3 0x1e000082 thrsleep syz-fuzzer 25493 122172 69116 0 3 0x1e000082 thrsleep syz-fuzzer 25493 447954 69116 0 3 0x1e000082 wait syz-fuzzer 25493 405934 69116 0 3 0x1e000082 thrsleep syz-fuzzer 25493 477845 69116 0 3 0x1e000082 thrsleep syz-fuzzer 25493 189701 69116 0 3 0x1e000082 wait syz-fuzzer 69116 415721 38001 0 3 0x810008a sigsusp ksh 38001 90289 61844 0 3 0x1800009a kqread sshd 61844 17250 1 0 3 0x18000088 kqread sshd 76685 120504 27343 73 3 0x19100010 ffs_fsync syslogd 27343 151701 1 0 3 0x18100082 sbwait syslogd 18386 9852 1 0 3 0x18100080 kqread resolvd 22776 201170 13777 77 3 0x18100092 kqread dhcpleased 85598 360841 13777 77 3 0x18100092 kqread dhcpleased 13777 519948 1 0 3 0x18000080 kqread dhcpleased 71722 86323 0 0 3 0x14200 bored smr 66952 324814 0 0 2 0x14200 zerothread 87645 453011 0 0 3 0x14200 aiodoned aiodoned 36308 283426 0 0 3 0x14200 syncer update 34056 441775 0 0 3 0x14200 cleaner cleaner 73432 134985 0 0 3 0x14200 reaper reaper 70253 223054 0 0 3 0x14200 pgdaemon pagedaemon 64926 65389 0 0 3 0x14200 bored viomb 73712 283293 0 0 3 0x40014200 acpi0 acpi0 50814 312788 0 0 3 0x40014200 idle1 69248 503882 0 0 3 0x14200 bored softnet3 6312 288576 0 0 3 0x14200 bored softnet2 34799 360066 0 0 3 0x14200 bored softnet1 94873 283336 0 0 3 0x14200 bored softnet0 42012 420629 0 0 3 0x14200 bored systqmp 36620 183749 0 0 3 0x14200 bored systq 93780 237894 0 0 3 0x14200 tmoslp softclockmp 77849 277175 0 0 3 0x40014200 tmoslp softclock 65964 21400 0 0 3 0x40014200 idle0 1 392413 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 (0xffffffff82d98bb0) #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:1244 #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 76685 (syslogd) thread 0xffff8000ffffdc40 (120504) exclusive rrwlock inode r = 0 (0xfffffd806e7591b0) #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:524 #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 10184 6433K 6887K 166960K 12922 0 pcb 17 14K 16K 166960K 280 0 rtable 184 6K 7K 166960K 693 0 pf 27 8K 10K 166960K 102 0 ifaddr 37 14K 16K 166960K 97 0 ifgroup 46 2K 2K 166960K 144 0 sysctl 2 0K 0K 166960K 2 0 counters 62 36K 36K 166960K 118 0 ioctlops 1 1K 4K 166960K 1547 0 iov 0 0K 16K 166960K 70 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1414 89K 89K 166960K 2237 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 9K 166960K 46 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 99 0 dirhash 12 2K 2K 166960K 60 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 17 61K 85K 166960K 1320 0 sigio 0 0K 0K 166960K 10 0 proc 58 79K 127K 166960K 760 0 subproc 104 6K 7K 166960K 182 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 165 0 in_multi 74 5K 7K 166960K 207 0 ether_multi 1 0K 0K 166960K 14 0 mrt 1 0K 0K 166960K 4 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 622 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 263 92K 111K 166960K 13866 0 UVM aobj 76 3K 3K 166960K 76 0 pinsyscall 37 74K 100K 166960K 2621 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 143 0 NDP 10 0K 2K 166960K 66 0 temp 74 6820K 14756K 166960K 32008 0 kqueue 13 20K 28K 166960K 205 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 120 134 0 131 1 0 1 1 0 8 0 rtentry 112 228 0 147 4 0 4 4 0 8 0 unpcb 144 1006 0 993 3 2 1 2 0 8 0 syncache 336 5 0 5 2 2 0 1 0 8 0 tcpqe 32 50 0 50 1 1 0 1 0 8 0 tcpcb 808 426 0 421 7 6 1 2 0 8 0 arp 120 41 0 25 1 0 1 1 0 8 0 ipq 40 1 0 1 1 1 0 1 0 8 0 ipqe 40 3 0 3 1 1 0 1 0 8 0 inpcb 384 1400 0 1392 15 13 2 8 0 8 1 nd6 136 57 0 35 2 0 2 2 0 8 0 pkpcb 40 8 0 8 5 5 0 1 0 8 0 kcovpl 48 14 0 6 1 0 1 1 0 8 0 ppxss 1168 11 0 11 3 3 0 1 0 8 0 pffrag 232 9 0 7 2 1 1 1 0 482 0 pffrnode 88 9 0 7 2 1 1 1 0 8 0 pffrent 40 56 0 54 2 1 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 24 120 0 89 1 0 1 1 0 8 0 pfstkey 128 120 0 89 2 0 2 2 0 8 0 pfstate 376 120 0 89 5 1 4 4 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 256 849 0 503 33 8 25 32 0 8 0 art_table 32 850 0 503 5 1 4 5 0 8 0 art_node 16 224 0 154 1 0 1 1 0 8 0 sysvmsgpl 40 19 0 7 1 0 1 1 0 8 0 semupl 112 4 0 4 2 2 0 1 0 8 0 semapl 112 97 0 87 1 0 1 1 0 8 0 shmpl 112 73 0 0 3 0 3 3 0 8 0 dirhash 1024 49 0 32 3 0 3 3 0 8 0 dino2pl 256 3612 0 2088 96 0 96 96 0 8 0 ffsino 272 3612 0 2088 104 1 103 103 0 8 0 nchpl 144 5706 0 3967 67 0 67 67 0 8 0 uvmvnodes 80 4301 0 0 88 0 88 88 0 8 0 vnodes 216 4301 0 0 239 0 239 239 0 8 0 namei 1024 19541 0 19541 5 4 1 2 0 8 1 percpumem 16 73 0 28 1 0 1 1 0 8 0 vcpupl 3904 1 0 0 1 0 1 1 0 8 0 vmpool 696 6 0 4 4 3 1 1 0 8 0 kstatmem 264 76 0 56 2 0 2 2 0 8 0 scxspl 216 35859 0 35858 16 15 1 8 1 8 0 plimitpl 152 297 0 282 1 0 1 1 0 8 0 sigapl 424 1640 0 1573 8 0 8 8 0 8 0 futexpl 64 20932 0 20931 3 2 1 1 0 8 0 knotepl 120 619 0 0 18 0 18 18 0 8 0 kqueuepl 216 384 0 375 1 0 1 1 0 8 0 pipepl 320 323 0 295 3 0 3 3 0 8 0 fdescpl 496 1598 0 1570 6 2 4 5 0 8 0 filepl 152 9924 0 9686 17 6 11 15 0 8 0 lockfpl 104 484 0 482 2 1 1 2 0 8 0 lockfspl 48 149 0 147 1 0 1 1 0 8 0 sessionpl 144 30 0 14 1 0 1 1 0 8 0 pgrppl 48 49 0 33 1 0 1 1 0 8 0 ucredpl 104 1544 0 1530 1 0 1 1 0 8 0 zombiepl 144 1573 0 1573 1 0 1 1 0 8 1 processpl 1136 1640 0 1573 7 2 5 6 0 8 0 procpl 656 3075 0 2989 10 1 9 9 0 8 0 srpgc 96 14 0 14 4 4 0 1 0 8 0 sosppl 168 15 0 15 9 9 0 1 0 8 0 sockpl 664 2558 0 2534 16 13 3 9 0 8 1 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 8 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 418 0 0 53 0 53 53 0 8 0 mtagpl 96 9 0 0 1 0 1 1 0 8 0 mbufpl 256 442 0 0 27 0 27 27 0 8 0 bufpl 280 9860 0 2237 545 0 545 545 0 8 0 anonpl 24 353506 0 347283 93 24 69 69 0 186 15 amapchunkpl 152 47266 0 46672 55 17 38 39 0 158 5 amappl16 200 8150 0 7985 55 42 13 22 0 8 2 amappl15 192 14 0 12 1 0 1 1 0 8 0 amappl14 184 167 0 156 2 1 1 2 0 8 0 amappl13 176 19 0 18 1 0 1 1 0 8 0 amappl12 168 2343 0 2315 2 0 2 2 0 8 0 amappl11 160 54 0 44 1 0 1 1 0 8 0 amappl10 152 57 0 48 1 0 1 1 0 8 0 amappl9 144 323 0 323 2 2 0 1 0 8 0 amappl8 136 191 0 154 2 0 2 2 0 8 0 amappl7 128 56 0 45 1 0 1 1 0 8 0 amappl6 120 401 0 388 2 1 1 2 0 8 0 amappl5 112 192 0 180 1 0 1 1 0 8 0 amappl4 104 590 0 557 2 0 2 2 0 8 0 amappl3 96 8629 0 8562 3 0 3 3 0 8 0 amappl2 88 2017 0 1947 5 3 2 5 0 8 0 amappl1 80 13555 0 13063 22 11 11 22 0 8 0 amappl 88 13189 0 13014 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 75 0 0 2 0 2 2 0 8 0 uaddrrnd 24 1603 0 1574 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1603 0 1574 1 0 1 1 0 8 0 vmmpekpl 168 15284 0 15218 4 0 4 4 0 8 0 vmmpepl 168 116919 0 115032 150 57 93 118 0 357 0 vmsppl 440 1602 0 1574 4 0 4 4 0 8 0 rwobjpl 56 38144 0 32681 88 10 78 80 0 8 0 pdppl 4096 3213 0 3149 145 81 64 75 0 8 0 pvpl 32 49269 0 0 401 3 398 398 0 265 0 pmappl 248 1602 0 1574 4 2 2 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 485 0 107 12 0 12 12 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(ffffffff828ebee0) at panic+0x17b sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82e0ba30,9,0) at witness_checkorder+0xd03 witness_debugger sys/kern/subr_witness.c:2524 [inline] witness_checkorder(ffffffff82e0ba30,9,0) at witness_checkorder+0xd03 sys/kern/subr_witness.c:786 __mp_lock(ffffffff82e0b828) at __mp_lock+0xa2 read_rflags machine/cpufunc.h:193 [inline] __mp_lock(ffffffff82e0b828) at __mp_lock+0xa2 intr_disable machine/cpufunc.h:214 [inline] __mp_lock(ffffffff82e0b828) at __mp_lock+0xa2 sys/kern/kern_lock.c:142 intr_handler(ffff80002a21a810,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(ffffffff82d98ba0) at mtx_enter_try+0x103 mtx_enter(ffffffff82d98ba0) at mtx_enter+0x4e sys/kern/kern_lock.c:266 pool_get(ffffffff82d98ba0,9) at pool_get+0xc4 sys/kern/subr_pool.c:579 uvmspace_alloc(0,1000,1,0) at uvmspace_alloc+0x41 sys/uvm/uvm_map.c:3279 vm_impl_init(ffff80002a222018,ffff80002a224d18) at vm_impl_init+0x92 sys/arch/amd64/amd64/vmm_machdep.c:1244 vm_create(ffff800000e53800,ffff80002a224d18) at vm_create+0x13e sys/dev/vmm/vmm.c:388 vmmioctl(a00,c2585601,ffff800000e53800,1,ffff80002a224d18) at vmmioctl+0x2de VOP_IOCTL(fffffd806e3b9bd8,c2585601,ffff800000e53800,1,fffffd807f7d38f0,ffff80002a224d18) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806c0a2d28,c2585601,ffff800000e53800,ffff80002a224d18) at vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff80002a224d18,ffff80002a21afd0,ffff80002a21af20) at sys_ioctl+0x4a9 syscall(ffff80002a21afd0) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002a21afd0) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9eeeac58180, 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 end of kernel end trace frame: 0x70193c6b7610, 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: 0x70193c6b7610, count: -3