panic: kernel diagnostic assertion "uvm_page_owner_locked_p(pg, TRUE)" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 1249 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 238936 60340 0 0x1000 0x4080000 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833aa896) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e9671,ffffffff833dbfab,4e1,ffffffff833e5b26) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pageunwire(fffffd800928dc30) at uvm_pageunwire+0x1dd uvm_fault_unwire_locked(fffffd800b063000,8f113e11000,8f114210000) at uvm_fault_unwire_locked+0x35f sys/uvm/uvm_fault.c:1812 uvm_unmap_kill_entry_withlock(fffffd800b063000,fffffd8068bd65f8,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1860 uvm_map_teardown(fffffd800b063000) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffd800b063000) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2486 exit1(ffff8000ffff3ca0,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff8000ffff3ca0,ffff80003c4349b0,ffff80003c434900) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c4349b0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4349b0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e556db2c6e0, count: 4 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: kernel diagnostic assertion "uvm_page_owner_locked_p(pg, TRUE)" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 1249 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833aa896) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e9671,ffffffff833dbfab,4e1,ffffffff833e5b26) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pageunwire(fffffd800928dc30) at uvm_pageunwire+0x1dd uvm_fault_unwire_locked(fffffd800b063000,8f113e11000,8f114210000) at uvm_fault_unwire_locked+0x35f sys/uvm/uvm_fault.c:1812 uvm_unmap_kill_entry_withlock(fffffd800b063000,fffffd8068bd65f8,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1860 uvm_map_teardown(fffffd800b063000) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffd800b063000) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2486 exit1(ffff8000ffff3ca0,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff8000ffff3ca0,ffff80003c4349b0,ffff80003c434900) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c4349b0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4349b0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e556db2c6e0, count: -11 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c4345d0 rbx 0xffffffff8380be07 cpu_info_full_primary+0x2e07 rdx 0 rcx 0xffff8000ffff3ca0 rax 0xffffffff8380aff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x62196bf381ea9245 r11 0xa172cac7f3df6e5d r12 0xffffffff8380bc08 cpu_info_full_primary+0x2c08 r13 0 r14 0 r15 0x1 rip 0xffffffff82bb41e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c4345c0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=81862 pid=47504 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=86, usrpri=84, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000ffff3ca0 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80003c4a2030,0xffff8000ffff27f0 process=0xffff8000fffec9b8 user=0xffff80003c42f000, vmspace=0xfffffd800b063000 estcpu=34, cpticks=3085, pctcpu=16.9, user=0, sys=2982, intr=47 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 53475 231854 39039 0 3 0x2 uobjlk syz-executor 60340 3297 67050 0 3 0x3000 suspend syz-executor 60340 238936 67050 0 7 0x4081000 syz-executor 60340 419338 67050 0 3 0x4081000 inode syz-executor 60340 321701 67050 0 3 0x4081000 inode syz-executor 91329 264831 39039 0 2 0xc82 syz-executor 55640 354442 39039 0 3 0x2 getblk syz-executor 67050 230345 39039 0 3 0x82 wait syz-executor 42020 49386 39039 0 2 0x2 syz-executor 41379 299931 39039 0 2 0x2 syz-executor 12392 139859 39039 0 3 0x2 getblk syz-executor 39039 119632 22992 0 3 0x82 nanoslp syz-executor 22992 138486 85832 0 3 0x10008a sigsusp ksh 85832 262559 85694 0 3 0x98 kqread sshd-session 85694 35276 64338 0 3 0x92 kqread sshd-session 2021 310547 1 0 3 0x100083 ttyopn getty 64338 185543 1 0 3 0x88 kqread sshd 8730 489536 75324 74 3 0x1100092 bpf pflogd 75324 54907 1 0 3 0x80 sbwait pflogd 8350 463924 58133 73 3 0x1100010 biowait syslogd 58133 373704 1 0 3 0x100082 sbwait syslogd 11825 312653 1 0 3 0x100080 kqread resolvd 64248 197383 12844 77 3 0x100092 kqread dhcpleased 17134 262273 12844 77 3 0x100092 kqread dhcpleased 12844 342884 1 0 3 0x80 kqread dhcpleased 84271 51913 0 0 2 0x40014200 smr 365 358587 0 0 2 0x14200 zerothread 83750 21608 0 0 3 0x14200 aiodoned aiodoned 82897 473864 0 0 3 0x14200 syncer update 19911 180342 0 0 3 0x14200 cleaner cleaner 29669 425648 0 0 3 0x14200 reaper reaper 89401 73336 0 0 3 0x14200 pgdaemon pagedaemon 59860 202803 0 0 3 0x14200 bored viomb 75268 458309 0 0 3 0x40014200 acpi0 acpi0 77997 84325 0 0 3 0x40014200 idle1 1262 422723 0 0 3 0x14200 bored softnet1 29327 45298 0 0 3 0x14200 bored softnet0 12091 471936 0 0 3 0x14200 smrbar systqmp 69621 461127 0 0 3 0x14200 bored systq 67594 227856 0 0 3 0x14200 tmoslp softclockmp 93815 275503 0 0 2 0x40014200 softclock 48375 346446 0 0 3 0x40014200 idle0 1 7893 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &uvm.pageqlock r = 0 (0xffffffff839b7458) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #3 uvm_fault_unwire_locked+0x34e sys/uvm/uvm_fault.c:1811 #4 uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1860 #5 uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] #5 uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2486 #6 exit1+0x6fc sys/kern/kern_exit.c:260 #7 sys_exit+0x1a sys/kern/kern_exit.c:-1 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 #9 Xsyscall+0x128 Process 60340 (syz-executor) thread 0xffff8000fffeb4e0 (238936) Process 55640 (syz-executor) thread 0xffff8000ffff3240 (354442) Process 42020 (syz-executor) thread 0xffff8000ffff3770 (49386) Process 41379 (syz-executor) thread 0xffff8000ffffdc90 (299931) Process 12392 (syz-executor) thread 0xffff8000ffffd4c8 (139859) Process 8350 (syslogd) thread 0xffff80002a273a00 (463924) Process 12091 (systqmp) thread 0xffff8000ffffea60 (471936) ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10259 11690K 11825K 166960K 13027 0 pcb 17 18K 20K 166960K 240 0 rtable 192 8K 9K 166960K 549 0 pf 32 17K 18K 166960K 148 0 ifaddr 34 5K 7K 166960K 103 0 ifgroup 51 2K 2K 166960K 182 0 sysctl 4 1K 9K 166960K 18 0 counters 66 36K 38K 166960K 192 0 ioctlops 0 0K 4K 166960K 1719 0 iov 0 0K 32K 166960K 134 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1527 96K 96K 166960K 2788 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 16 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 66 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 12 41K 89K 166960K 1156 0 sigio 1 0K 0K 166960K 84 0 proc 75 131K 164K 166960K 645 0 subproc 66 4K 4K 166960K 201 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 133 0 in_multi 66 4K 7K 166960K 149 0 ether_multi 1 0K 0K 166960K 14 0 mrt 2 0K 0K 166960K 12 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 103 466K 466K 166960K 103 0 exec 0 0K 1K 166960K 582 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 223 169K 186K 166960K 12466 0 UVM aobj 29 8K 10K 166960K 32 0 pinsyscall 37 74K 103K 166960K 2351 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 77 0 NDP 11 0K 2K 166960K 70 0 temp 75 8674K 8754K 166960K 62772 0 kqueue 13 20K 30K 166960K 212 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 168 0 165 3 2 1 3 0 8 0 rtentry 176 163 0 86 6 1 5 6 0 8 0 unpcb 144 938 0 921 8 5 3 6 0 8 2 syncache 336 6 0 6 3 3 0 1 0 8 0 tcpqe 32 23 0 23 2 2 0 1 0 8 0 tcpcb 736 455 0 450 13 9 4 7 0 8 3 arp 136 25 0 11 1 0 1 1 0 8 0 inpcb 328 1591 0 1583 26 16 10 12 0 8 9 nd6 152 30 0 12 1 0 1 1 0 8 0 pkpcb 40 3 0 3 2 1 1 1 0 8 1 kcovpl 48 22 0 15 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 45 0 45 3 2 1 1 0 8 1 pppxif 1504 9 0 9 3 3 0 1 0 8 0 pffrag 232 12 0 9 1 0 1 1 0 482 0 pffrnode 88 8 0 5 1 0 1 1 0 8 0 pffrent 40 23 0 20 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 pfrktable 1344 1 0 1 1 1 0 1 0 8 0 pftag 88 3 0 0 1 0 1 1 0 8 0 pfstitem 24 88 0 28 1 0 1 1 0 8 0 pfstkey 128 88 0 28 3 0 3 3 0 8 0 pfstate 448 88 0 28 8 0 8 8 0 8 0 pfrule 1344 29 0 24 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 631 0 274 29 5 24 29 0 8 1 art_table 40 634 0 274 5 0 5 5 0 8 0 art_node 32 161 0 79 1 0 1 1 0 8 0 sysvmsgpl 40 17 0 9 1 0 1 1 0 8 0 semapl 112 59 0 49 1 0 1 1 0 8 0 shmpl 112 25 0 2 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 3561 0 2044 96 0 96 96 0 8 0 ffsino 296 3561 0 2044 117 0 117 117 0 8 0 nchpl 144 5142 0 3429 64 0 64 64 0 8 0 rtmask 32 5 0 5 3 2 1 1 0 8 1 vnodes 216 4582 0 0 255 0 255 255 0 8 0 namei 1024 18765 0 18762 3 1 2 2 0 8 1 percpumem 16 111 0 63 1 0 1 1 0 8 0 vcpupl 3968 3 0 0 1 0 1 1 0 8 0 vmpool 840 4 0 1 1 0 1 1 0 8 0 kstatmem 264 108 0 82 3 0 3 3 0 8 0 scsiplug 72 4 0 4 2 2 0 1 0 8 0 scxspl 216 46055 0 46053 13 9 4 8 1 8 3 plimitpl 152 349 0 330 1 0 1 1 0 8 0 sigapl 424 1467 0 1424 8 2 6 8 0 8 0 knotepl 120 539 0 0 17 0 17 17 0 8 0 kqueuepl 224 455 0 446 7 5 2 5 0 8 1 pipepl 344 296 0 269 7 3 4 6 0 8 0 fdescpl 528 1430 0 1404 3 0 3 3 0 8 0 filepl 160 10835 0 10633 27 10 17 18 0 8 4 lockfpl 104 695 0 693 4 2 2 2 0 8 1 lockfspl 48 217 0 215 1 0 1 1 0 8 0 sessionpl 144 39 0 30 1 0 1 1 0 8 0 pgrppl 48 82 0 64 1 0 1 1 0 8 0 ucredpl 104 1454 0 1441 1 0 1 1 0 8 0 zombiepl 144 1540 0 1536 2 1 1 1 0 8 0 processpl 1232 1467 0 1424 6 1 5 6 0 8 1 procpl 664 3188 0 3142 7 1 6 7 0 8 0 sosppl 176 4 0 4 2 2 0 1 0 8 0 sockpl 752 2723 0 2695 48 31 17 23 0 8 13 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 128 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 72 0 0 9 0 9 9 0 8 0 mtagpl 96 53 0 0 2 0 2 2 0 8 0 mbufpl 256 4742 0 0 297 0 297 297 0 8 0 bufpl 280 13730 0 7593 439 0 439 439 0 8 0 anonpl 32 13051 0 0 106 0 106 106 0 246 0 amapchunkpl 152 41604 0 40917 67 30 37 37 0 158 5 amappl16 200 3053 0 2847 27 13 14 17 0 8 3 amappl15 192 15 0 15 2 2 0 1 0 8 0 amappl14 184 3 0 3 2 2 0 1 0 8 0 amappl13 176 441 0 440 1 0 1 1 0 8 0 amappl12 168 1850 0 1812 3 0 3 3 0 8 0 amappl11 160 19 0 19 1 1 0 1 0 8 0 amappl10 152 57 0 43 1 0 1 1 0 8 0 amappl9 144 255 0 255 1 1 0 1 0 8 0 amappl8 136 22 0 19 1 0 1 1 0 8 0 amappl7 128 85 0 83 1 0 1 1 0 8 0 amappl6 120 296 0 283 1 0 1 1 0 8 0 amappl5 112 77 0 66 1 0 1 1 0 8 0 amappl4 104 471 0 438 1 0 1 1 0 8 0 amappl3 96 7116 0 7038 4 1 3 3 0 8 0 amappl2 88 1569 0 1496 2 0 2 2 0 8 0 amappl1 80 14226 0 13658 14 0 14 14 0 8 0 amappl 88 11491 0 11345 5 0 5 5 0 92 0 uvmvnodes 80 135 0 0 3 0 3 3 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 6 0 6 1 1 0 1 0 8 0 dma128 128 254 0 254 2 2 0 1 0 8 0 dma64 64 7 0 7 2 2 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 31 0 3 1 0 1 1 0 8 0 uaddrrnd 24 1430 0 1403 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1430 0 1403 1 0 1 1 0 8 0 vmmpekpl 168 13358 0 13311 3 0 3 3 0 8 0 vmmpepl 168 95703 0 93811 108 10 98 98 0 357 7 vmsppl 488 1429 0 1403 5 1 4 5 0 8 0 rwobjpl 80 26099 0 24846 30 1 29 29 0 8 2 pdppl 4096 2875 0 2811 112 42 70 83 0 8 6 pvpl 32 34103 0 0 276 1 275 275 0 265 0 pmappl 256 1433 0 1404 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 604 0 63 16 0 16 16 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:438 panic(ffffffff833aa896) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e9671,ffffffff833dbfab,4e1,ffffffff833e5b26) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pageunwire(fffffd800928dc30) at uvm_pageunwire+0x1dd uvm_fault_unwire_locked(fffffd800b063000,8f113e11000,8f114210000) at uvm_fault_unwire_locked+0x35f sys/uvm/uvm_fault.c:1812 uvm_unmap_kill_entry_withlock(fffffd800b063000,fffffd8068bd65f8,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1860 uvm_map_teardown(fffffd800b063000) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffd800b063000) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2486 exit1(ffff8000ffff3ca0,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff8000ffff3ca0,ffff80003c4349b0,ffff80003c434900) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c4349b0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4349b0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e556db2c6e0, count: -11 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299edff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_release_all(ffffffff83a0a200) at __mp_release_all+0xe0 sys/kern/kern_lock.c:215 tsleep_nsec(fffffd806955bc20,11,ffffffff834563cf,ffffffffffffffff) at tsleep_nsec+0x226 sys/kern/kern_synch.c:-1 biowait(fffffd806955bc20) at biowait+0xc6 sys/kern/vfs_bio.c:1242 bwrite(fffffd806955bc20) at bwrite+0x2e7 sys/kern/vfs_bio.c:754 ffs_write(ffff80003c42a5b0) at ffs_write+0x810 sys/ufs/ffs/ffs_vnops.c:377 VOP_WRITE(fffffd806887d210,ffff80003c42a768,7,fffffd80097fd680) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffffd805fde8140,ffff80003c42a768,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000fffeb4e0,3,ffff80003c42a768,0,ffff80003c42a820) at dofilewritev+0x242 sys/kern/sys_generic.c:380 sys_write(ffff8000fffeb4e0,ffff80003c42a8d0,ffff80003c42a820) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80003c42a8d0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42a8d0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x82a63ec5470, count: 1 ddb{1}> trace x86_ipi_db(ffff8000299edff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_release_all(ffffffff83a0a200) at __mp_release_all+0xe0 sys/kern/kern_lock.c:215 tsleep_nsec(fffffd806955bc20,11,ffffffff834563cf,ffffffffffffffff) at tsleep_nsec+0x226 sys/kern/kern_synch.c:-1 biowait(fffffd806955bc20) at biowait+0xc6 sys/kern/vfs_bio.c:1242 bwrite(fffffd806955bc20) at bwrite+0x2e7 sys/kern/vfs_bio.c:754 ffs_write(ffff80003c42a5b0) at ffs_write+0x810 sys/ufs/ffs/ffs_vnops.c:377 VOP_WRITE(fffffd806887d210,ffff80003c42a768,7,fffffd80097fd680) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffffd805fde8140,ffff80003c42a768,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000fffeb4e0,3,ffff80003c42a768,0,ffff80003c42a820) at dofilewritev+0x242 sys/kern/sys_generic.c:380 sys_write(ffff8000fffeb4e0,ffff80003c42a8d0,ffff80003c42a820) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80003c42a8d0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42a8d0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x82a63ec5470, count: -14