panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 237971 5306 0 0 0 1 syz-executor *408766 5306 0 0 0x4000000 0K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83405e41) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806be783b0,400000000000,400000004000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_unwire(fffffd806be783b0,400000000000,400000004000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(33,ffff80003c5b27f8,1,400000000100,ffff80003c5b2828,0,691e246eaaba38ec,1) at kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline] kern_sysctl_dirs(33,ffff80003c5b27f8,1,400000000100,ffff80003c5b2828,0,691e246eaaba38ec,1) at kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430 kern_sysctl(ffff80003c5b27f4,2,400000000100,ffff80003c5b2828,0,ffffffffffffff5a,5cc5c73905cfc5da) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 sys_sysctl(ffff8000ffff67c0,ffff80003c5b2960,ffff80003c5b28b0) at sys_sysctl+0x425 syscall(ffff80003c5b2960) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c5b2960) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77b8ae5a360, count: 6 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: uvm_fault_unwire_locked: address not in map ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83405e41) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806be783b0,400000000000,400000004000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_unwire(fffffd806be783b0,400000000000,400000004000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(33,ffff80003c5b27f8,1,400000000100,ffff80003c5b2828,0,691e246eaaba38ec,1) at kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline] kern_sysctl_dirs(33,ffff80003c5b27f8,1,400000000100,ffff80003c5b2828,0,691e246eaaba38ec,1) at kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430 kern_sysctl(ffff80003c5b27f4,2,400000000100,ffff80003c5b2828,0,ffffffffffffff5a,5cc5c73905cfc5da) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 sys_sysctl(ffff8000ffff67c0,ffff80003c5b2960,ffff80003c5b28b0) at sys_sysctl+0x425 syscall(ffff80003c5b2960) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c5b2960) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77b8ae5a360, count: -9 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c5b2400 rbx 0xffffffff83798dc7 cpu_info_full_primary+0x2dc7 rdx 0 rcx 0xffff8000ffff67c0 rax 0xffffffff83797ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x28723c808a2ddc5c r11 0x5ce93dec0649ef66 r12 0xffffffff83798bc8 cpu_info_full_primary+0x2bc8 r13 0 r14 0 r15 0x1 rip 0xffffffff824f07e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c5b23f0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=408766 pid=5306 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=36, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c4faa58,0xffff8000ffff6f68 process=0xffff80002a498b68 user=0xffff80003c5ad000, vmspace=0xfffffd806be783b0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 5306 237971 81777 0 7 0 syz-executor 5306 94684 81777 0 3 0x4000080 fsleep syz-executor * 5306 408766 81777 0 7 0x4000000 syz-executor 5306 150740 81777 0 3 0x4000080 fsleep syz-executor 36710 469170 38329 0 3 0x80 fsleep syz-executor 36710 181217 38329 0 3 0x4000080 sbwait syz-executor 36710 222384 38329 0 3 0x4000080 fsleep syz-executor 80640 6447 22602 0 3 0x80 fsleep syz-executor 80640 476169 22602 0 3 0x4000080 ttyout syz-executor 79385 279074 98528 0 3 0x80 fsleep syz-executor 79385 458379 98528 0 3 0x4000080 pipewr syz-executor 84648 315148 84950 0 3 0x80 fsleep syz-executor 84648 268150 84950 0 3 0x4000080 msgwait syz-executor 17626 287762 39331 0 3 0x80 fsleep syz-executor 17626 106260 39331 0 3 0x4000080 fsleep syz-executor 17626 493953 39331 0 3 0x4000080 fsleep syz-executor 17626 204382 39331 0 3 0x4000080 ttyout syz-executor 99482 50497 53219 0 3 0x80 fsleep syz-executor 99482 317399 53219 0 3 0x4000080 rest syz-executor 53219 305605 62577 0 3 0x82 nanoslp syz-executor 27677 307097 0 0 3 0x14200 acct acct 26765 311158 1 0 3 0x100083 ttyin getty 53308 491649 0 0 3 0x14280 nfsidl nfsio 50795 360997 0 0 3 0x14280 nfsidl nfsio 7564 222301 0 0 3 0x14280 nfsidl nfsio 89814 452147 0 0 3 0x14280 nfsidl nfsio 68845 43538 0 0 3 0x14280 nfsidl nfsio 93591 284042 0 0 3 0x14280 nfsidl nfsio 35661 10912 0 0 3 0x14280 nfsidl nfsio 7207 30871 0 0 3 0x14280 nfsidl nfsio 78392 500773 0 0 3 0x14280 nfsidl nfsio 74689 316474 0 0 3 0x14280 nfsidl nfsio 49931 140076 0 0 3 0x14280 nfsidl nfsio 50436 483418 0 0 3 0x14280 nfsidl nfsio 43633 510796 0 0 3 0x14280 nfsidl nfsio 3429 129161 0 0 3 0x14280 nfsidl nfsio 40613 439578 0 0 3 0x14280 nfsidl nfsio 27951 133809 0 0 3 0x14280 nfsidl nfsio 15137 47507 0 0 3 0x14280 nfsidl nfsio 91400 247397 0 0 3 0x14280 nfsidl nfsio 66500 512889 0 0 3 0x14280 nfsidl nfsio 96102 503843 0 0 3 0x14280 nfsidl nfsio 43761 472321 0 0 3 0x14200 bored sosplice 38329 349691 62577 0 3 0x82 nanoslp syz-executor 39331 304086 62577 0 3 0x82 nanoslp syz-executor 81777 58614 62577 0 3 0x82 nanoslp syz-executor 98528 269562 62577 0 3 0x82 nanoslp syz-executor 91359 89872 62577 0 3 0x82 wait syz-executor 84950 57668 62577 0 3 0x82 nanoslp syz-executor 22602 308816 62577 0 3 0x82 nanoslp syz-executor 62577 13181 19007 0 3 0x82 kqread syz-executor 19007 466879 32164 0 3 0x10008a sigsusp ksh 32164 328608 40469 0 3 0x98 kqread sshd-session 40469 375414 79316 0 3 0x92 kqread sshd-session 79316 458847 1 0 3 0x88 kqread sshd 52980 100532 9745 74 3 0x1100092 bpf pflogd 9745 191609 1 0 3 0x80 sbwait pflogd 84770 489302 21955 73 3 0x1100090 kqread syslogd 21955 254229 1 0 3 0x100082 sbwait syslogd 81029 358537 1 0 3 0x100080 kqread resolvd 63061 317767 2276 77 3 0x100092 kqread dhcpleased 72623 147664 2276 77 3 0x100092 kqread dhcpleased 2276 498976 1 0 3 0x80 kqread dhcpleased 69235 161702 0 0 3 0x14200 bored smr 42562 90671 0 0 3 0x14200 pgzero zerothread 2743 413106 0 0 3 0x14200 aiodoned aiodoned 69671 109080 0 0 3 0x14200 syncer update 23004 434173 0 0 3 0x14200 cleaner cleaner 37070 298264 0 0 3 0x14200 reaper reaper 89000 251632 0 0 3 0x14200 pgdaemon pagedaemon 9407 100811 0 0 3 0x14200 bored viomb 59256 35602 0 0 3 0x40014200 acpi0 acpi0 58720 144937 0 0 3 0x40014200 idle1 39399 1111 0 0 3 0x14200 bored softnet3 64749 233635 0 0 3 0x14200 bored softnet2 21728 509601 0 0 3 0x14200 bored softnet1 19986 326931 0 0 3 0x14200 bored softnet0 81871 264435 0 0 3 0x14200 bored systqmp 26888 109127 0 0 3 0x14200 bored systq 37363 350945 0 0 3 0x14200 tmoslp softclockmp 47354 189385 0 0 3 0x40014200 tmoslp softclock 79361 63787 0 0 3 0x40014200 idle0 1 427032 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 5306 (syz-executor) thread 0xffff8000ffff67c0 (408766) ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10207 11096K 11361K 166960K 12654 0 pcb 18 14K 16K 166960K 190 0 rtable 211 10K 11K 166960K 518 0 pf 34 17K 21K 166960K 91 0 ifaddr 38 6K 7K 166960K 64 0 ifgroup 51 2K 2K 166960K 86 0 sysctl 4 1K 1K 166960K 4 0 counters 62 36K 36K 166960K 82 0 ioctlops 0 0K 4K 166960K 1650 0 iov 0 0K 24K 166960K 42 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1387 87K 88K 166960K 2018 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 17 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 27 0 dirhash 12 2K 2K 166960K 33 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 18 65K 93K 166960K 912 0 sigio 0 0K 0K 166960K 18 0 proc 72 91K 140K 166960K 662 0 subproc 72 4K 4K 166960K 92 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 240 0 in_multi 79 5K 7K 166960K 139 0 ether_multi 1 0K 0K 166960K 3 0 mrt 0 0K 0K 166960K 1 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 444 0 fusefs mount 1 32K 32K 166960K 1 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 238 73K 87K 166960K 9935 0 UVM aobj 90 9K 11K 166960K 93 0 pinsyscall 43 86K 105K 166960K 2071 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 0K 166960K 40 0 NDP 11 0K 1K 166960K 42 0 temp 60 8638K 8706K 166960K 22525 0 kqueue 15 24K 30K 166960K 148 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 99 0 95 1 0 1 1 0 8 0 rtentry 112 156 0 62 4 0 4 4 0 8 0 unpcb 144 843 0 691 7 1 6 6 0 8 0 syncache 336 8 0 8 2 2 0 1 0 8 0 tcpcb 808 274 0 269 7 6 1 7 0 8 0 arp 120 27 0 10 1 0 1 1 0 8 0 inpcb 376 938 0 928 8 6 2 8 0 8 0 nd6 136 34 0 10 1 0 1 1 0 8 0 pkpcb 40 4 0 4 3 2 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1168 4 0 4 2 1 1 1 0 8 1 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pffrag 232 2 0 0 1 0 1 1 0 482 0 pffrnode 88 2 0 0 1 0 1 1 0 8 0 pffrent 40 4 0 2 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 pfanchor 1288 4 0 0 1 0 1 1 0 8 0 pfstitem 24 78 0 27 1 0 1 1 0 8 0 pfstkey 128 82 0 31 2 0 2 2 0 8 0 pfstate 376 79 0 29 6 0 6 6 0 8 0 pfrule 1344 24 0 17 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 588 0 238 31 6 25 31 0 8 1 art_table 32 590 0 238 4 0 4 4 0 8 0 art_node 16 151 0 71 1 0 1 1 0 8 0 sysvmsgpl 40 9 0 3 1 0 1 1 0 8 0 semapl 112 25 0 15 1 0 1 1 0 8 0 shmpl 112 90 0 3 3 0 3 3 0 8 0 dirhash 1024 31 0 14 3 0 3 3 0 8 0 dino2pl 256 2942 0 1441 95 0 95 95 0 8 0 ffsino 280 2942 0 1441 109 0 109 109 0 8 0 nchpl 144 4168 0 3629 64 39 25 64 0 8 0 uvmvnodes 80 3441 0 0 71 0 71 71 0 8 0 vnodes 216 3441 0 0 192 0 192 192 0 8 0 namei 1024 13746 0 13746 2 1 1 1 0 8 1 percpumem 16 55 0 10 1 0 1 1 0 8 0 kstatmem 264 42 0 20 2 0 2 2 0 8 0 scxspl 216 12963 0 12963 11 10 1 8 1 8 1 plimitpl 152 150 0 130 1 0 1 1 0 8 0 sigapl 424 1235 0 1163 10 1 9 9 0 8 0 futexpl 64 15531 0 15520 1 0 1 1 0 8 0 knotepl 120 571 0 0 18 0 18 18 0 8 0 kqueuepl 216 391 0 378 5 4 1 5 0 8 0 pipepl 328 233 0 205 8 5 3 8 0 8 0 fdescpl 504 1194 0 1162 5 0 5 5 0 8 0 filepl 152 6915 0 6546 21 6 15 16 0 8 0 lockfpl 104 235 0 233 1 0 1 1 0 8 0 lockfspl 48 103 0 101 1 0 1 1 0 8 0 sessionpl 144 30 0 21 1 0 1 1 0 8 0 pgrppl 48 47 0 30 1 0 1 1 0 8 0 ucredpl 104 787 0 774 1 0 1 1 0 8 0 zombiepl 144 1164 0 1163 1 0 1 1 0 8 0 processpl 1168 1235 0 1163 7 1 6 6 0 8 0 procpl 648 2464 0 2380 8 0 8 8 0 8 0 srpgc 96 6 0 6 1 1 0 1 0 8 0 sosppl 168 4 0 4 2 2 0 1 0 8 0 sockpl 688 1892 0 1726 21 5 16 16 0 8 0 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 119 0 0 15 1 14 15 0 8 0 mcl2k 2048 37 0 0 4 0 4 4 0 8 0 mtagpl 96 46 0 0 2 0 2 2 0 8 0 mbufpl 256 1238 0 0 77 0 77 77 0 8 0 bufpl 280 3909 0 133 270 0 270 270 0 8 0 anonpl 24 190327 0 186729 62 24 38 47 0 184 10 amapchunkpl 152 32506 0 31984 32 5 27 27 0 158 6 amappl16 200 3708 0 3672 32 26 6 15 0 8 2 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 137 0 125 1 0 1 1 0 8 0 amappl13 176 9 0 9 1 1 0 1 0 8 0 amappl12 168 1875 0 1843 3 1 2 2 0 8 0 amappl11 160 55 0 41 1 0 1 1 0 8 0 amappl10 152 9 0 9 1 1 0 1 0 8 0 amappl9 144 242 0 242 1 1 0 1 0 8 0 amappl8 136 38 0 35 1 0 1 1 0 8 0 amappl7 128 114 0 102 1 0 1 1 0 8 0 amappl6 120 201 0 197 1 0 1 1 0 8 0 amappl5 112 136 0 126 1 0 1 1 0 8 0 amappl4 104 343 0 323 1 0 1 1 0 8 0 amappl3 96 6372 0 6252 4 0 4 4 0 8 0 amappl2 88 712 0 648 2 0 2 2 0 8 0 amappl1 80 11441 0 10871 14 0 14 14 0 8 0 amappl 88 9479 0 9299 5 0 5 5 0 92 0 dma32768 32768 1 0 1 1 1 0 1 0 8 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 9 0 9 3 3 0 1 0 8 0 dma128 128 254 0 254 2 2 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 92 0 3 2 0 2 2 0 8 0 uaddrrnd 24 1194 0 1162 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1194 0 1162 1 0 1 1 0 8 0 vmmpekpl 168 11388 0 11339 3 0 3 3 0 8 0 vmmpepl 168 78697 0 76774 107 20 87 100 0 357 1 vmsppl 456 1193 0 1162 6 1 5 5 0 8 1 rwobjpl 64 26929 0 22456 75 2 73 73 0 8 0 pdppl 4096 2396 0 2324 106 34 72 86 0 8 0 pvpl 32 15214 0 0 123 0 123 123 0 265 0 pmappl 248 1193 0 1162 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 367 0 57 10 0 10 10 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83405e41) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806be783b0,400000000000,400000004000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_unwire(fffffd806be783b0,400000000000,400000004000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(33,ffff80003c5b27f8,1,400000000100,ffff80003c5b2828,0,691e246eaaba38ec,1) at kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline] kern_sysctl_dirs(33,ffff80003c5b27f8,1,400000000100,ffff80003c5b2828,0,691e246eaaba38ec,1) at kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430 kern_sysctl(ffff80003c5b27f4,2,400000000100,ffff80003c5b2828,0,ffffffffffffff5a,5cc5c73905cfc5da) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 sys_sysctl(ffff8000ffff67c0,ffff80003c5b2960,ffff80003c5b28b0) at sys_sysctl+0x425 syscall(ffff80003c5b2960) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c5b2960) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77b8ae5a360, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029aabff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff839ad310) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff839ad310) at __mp_lock+0x192 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 timeout_barrier(ffff80003c4fad88) at timeout_barrier+0x297 timeout_del_barrier(ffff80003c4fad88) at timeout_del_barrier+0x133 sys/kern/kern_timeout.c:462 sleep_finish(7fffffff,1) at sleep_finish+0x317 sys/kern/kern_synch.c:432 rwsleep(ffff80003c4face0,ffffffff83837490,120,ffffffff833a697e,7fffffff) at rwsleep+0xf2 sys/kern/kern_synch.c:300 futex_wait(77c04707710,f,70a380f1eaf0,2) at futex_wait+0x372 sys/kern/sys_futex.c:250 sys_futex(ffff80003c4face0,ffff80003c5ca8f0,ffff80003c5ca840) at sys_futex+0x149 sys/kern/sys_futex.c:101 syscall(ffff80003c5ca8f0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c5ca8f0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x70a380f1eb50, count: 1 ddb{1}> trace x86_ipi_db(ffff800029aabff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff839ad310) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff839ad310) at __mp_lock+0x192 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 timeout_barrier(ffff80003c4fad88) at timeout_barrier+0x297 timeout_del_barrier(ffff80003c4fad88) at timeout_del_barrier+0x133 sys/kern/kern_timeout.c:462 sleep_finish(7fffffff,1) at sleep_finish+0x317 sys/kern/kern_synch.c:432 rwsleep(ffff80003c4face0,ffffffff83837490,120,ffffffff833a697e,7fffffff) at rwsleep+0xf2 sys/kern/kern_synch.c:300 futex_wait(77c04707710,f,70a380f1eaf0,2) at futex_wait+0x372 sys/kern/sys_futex.c:250 sys_futex(ffff80003c4face0,ffff80003c5ca8f0,ffff80003c5ca840) at sys_futex+0x149 sys/kern/sys_futex.c:101 syscall(ffff80003c5ca8f0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c5ca8f0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x70a380f1eb50, count: -14