panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *246524 43123 0 0x14000 0x200 1 systqmp db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff823fea24) at panic+0x15c sys/kern/subr_prf.c:207 witness_checkorder(ffffffff828b9310,9,0) at witness_checkorder+0x10e0 sys/kern/subr_witness.c:821 __mp_lock(ffffffff828b9108) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff828b9108) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff828b9108) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 pageflttrap(ffff800020da3290,0) at pageflttrap+0x7f sys/arch/amd64/amd64/trap.c:180 kerntrap(ffff800020da3290) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b pool_cache_gc(ffffffff828ab988) at pool_cache_gc+0x138 pool_cache_list_put sys/kern/subr_pool.c:1970 [inline] pool_cache_gc(ffffffff828ab988) at pool_cache_gc+0x138 sys/kern/subr_pool.c:2025 pool_gc_pages(0) at pool_gc_pages+0x6c sys/kern/subr_pool.c:1559 taskq_thread(ffffffff8277c5f0) at taskq_thread+0xec sys/kern/kern_task.c:437 end trace frame: 0x0, count: 5 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff823fea24) at panic+0x15c sys/kern/subr_prf.c:207 witness_checkorder(ffffffff828b9310,9,0) at witness_checkorder+0x10e0 sys/kern/subr_witness.c:821 __mp_lock(ffffffff828b9108) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff828b9108) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff828b9108) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 pageflttrap(ffff800020da3290,0) at pageflttrap+0x7f sys/arch/amd64/amd64/trap.c:180 kerntrap(ffff800020da3290) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b pool_cache_gc(ffffffff828ab988) at pool_cache_gc+0x138 pool_cache_list_put sys/kern/subr_pool.c:1970 [inline] pool_cache_gc(ffffffff828ab988) at pool_cache_gc+0x138 sys/kern/subr_pool.c:2025 pool_gc_pages(0) at pool_gc_pages+0x6c sys/kern/subr_pool.c:1559 taskq_thread(ffffffff8277c5f0) at taskq_thread+0xec sys/kern/kern_task.c:437 end trace frame: 0x0, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800020da3000 rbx 0xffff800020da30b0 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff813837bf kprintf+0x16f r9 0x1 r10 0x2 r11 0x1b20d897c9a998e4 r12 0x3000000008 r13 0xffff800020da3010 r14 0x100 r15 0x1 rip 0xffffffff8196be18 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020da2ff0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (systqmp) pid=246524 stat=onproc flags process=14000 proc=200 pri=32, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020d88270,0xffff800020d884f0 process=0xffff800020d8a3d8 user=0xffff800020d9e000, vmspace=0xffffffff828b0500 estcpu=0, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 53448 362388 13549 0 3 0x82 piperd syz-executor.1 6401 243433 0 0 3 0x14280 nfsidl nfsio 41934 60 0 0 3 0x14280 nfsidl nfsio 37049 373470 0 0 3 0x14280 nfsidl nfsio 42109 284076 0 0 3 0x14280 nfsidl nfsio 3553 87895 0 0 3 0x14280 nfsidl nfsio 84911 163081 0 0 3 0x14280 nfsidl nfsio 92832 192664 0 0 3 0x14280 nfsidl nfsio 79164 155021 0 0 3 0x14280 nfsidl nfsio 58308 120632 0 0 3 0x14280 nfsidl nfsio 72863 32757 0 0 3 0x14280 nfsidl nfsio 23921 175493 0 0 3 0x14280 nfsidl nfsio 10602 268074 0 0 3 0x14280 nfsidl nfsio 87612 48222 0 0 3 0x14280 nfsidl nfsio 66137 240523 0 0 3 0x14280 nfsidl nfsio 68294 108709 0 0 3 0x14280 nfsidl nfsio 12299 177201 0 0 3 0x14280 nfsidl nfsio 12905 428029 0 0 3 0x14280 nfsidl nfsio 69838 403090 0 0 3 0x14280 nfsidl nfsio 92262 510589 0 0 3 0x14280 nfsidl nfsio 33037 400292 0 0 3 0x14280 nfsidl nfsio 47780 471013 0 0 3 0x14200 bored sosplice 54035 348618 13549 0 3 0x82 wait syz-executor.0 13549 20168 23186 0 3 0x82 thrsleep syz-fuzzer 13549 18170 23186 0 3 0x4000082 thrsleep syz-fuzzer 13549 522740 23186 0 3 0x4000082 thrsleep syz-fuzzer 13549 233219 23186 0 3 0x4000082 thrsleep syz-fuzzer 13549 321580 23186 0 3 0x4000082 thrsleep syz-fuzzer 13549 149059 23186 0 3 0x4000082 thrsleep syz-fuzzer 13549 263464 23186 0 3 0x4000082 thrsleep syz-fuzzer 13549 70198 23186 0 3 0x4000082 thrsleep syz-fuzzer 13549 243244 23186 0 3 0x4000082 kqread syz-fuzzer 13549 415681 23186 0 3 0x4000082 thrsleep syz-fuzzer 23186 438996 22842 0 3 0x10008a pause ksh 22842 505109 9749 0 3 0x92 select sshd 21307 402747 1 0 3 0x100083 ttyin getty 9749 104681 1 0 3 0x80 select sshd 36241 124131 50316 74 3 0x100092 bpf pflogd 50316 449200 1 0 3 0x80 netio pflogd 60713 481952 10095 73 3 0x100090 kqread syslogd 10095 411824 1 0 3 0x100082 netio syslogd 1248 327310 1 77 3 0x100090 poll dhclient 88321 39818 1 0 3 0x80 poll dhclient 59068 15371 0 0 3 0x14200 bored smr 5980 321632 0 0 3 0x14200 pgzero zerothread 15747 67333 0 0 3 0x14200 aiodoned aiodoned 43959 288814 0 0 3 0x14200 syncer update 25566 28581 0 0 3 0x14200 cleaner cleaner 74671 287984 0 0 3 0x14200 reaper reaper 86258 116455 0 0 3 0x14200 pgdaemon pagedaemon 55257 122484 0 0 3 0x14200 bored crynlk 45578 138352 0 0 3 0x14200 bored crypto 93977 131533 0 0 3 0x40014200 acpi0 acpi0 44348 360609 0 0 3 0x40014200 idle1 78489 431693 0 0 3 0x14200 bored softnet *43123 246524 0 0 7 0x14200 systqmp 63504 426566 0 0 3 0x14200 bored systq 14549 436166 0 0 3 0x40014200 bored softclock 79181 221621 0 0 7 0x40014200 idle0 1 316798 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex mbufpl r = 0 (0xffffffff828ab998) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_cache_gc+0x12d pl_enter sys/kern/subr_pool.c:104 [inline] #3 pool_cache_gc+0x12d pool_cache_list_put sys/kern/subr_pool.c:1968 [inline] #3 pool_cache_gc+0x12d sys/kern/subr_pool.c:2025 #4 pool_gc_pages+0x6c sys/kern/subr_pool.c:1559 #5 taskq_thread+0xec sys/kern/kern_task.c:437 #6 proc_trampoline+0x1c Process 43123 (systqmp) thread 0xffff800020d88000 (246524) shared rwlock pools r = 0 (0xffffffff827575d0) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 pool_gc_pages+0x21 sys/kern/subr_pool.c:1555 #2 taskq_thread+0xec sys/kern/kern_task.c:437 #3 proc_trampoline+0x1c shared rwlock systqmp r = 0 (0xffffffff8277c660) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 taskq_thread+0xdf sys/kern/kern_task.c:436 #2 proc_trampoline+0x1c exclusive mutex mbufpl r = 0 (0xffffffff828ab998) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_cache_gc+0x12d pl_enter sys/kern/subr_pool.c:104 [inline] #3 pool_cache_gc+0x12d pool_cache_list_put sys/kern/subr_pool.c:1968 [inline] #3 pool_cache_gc+0x12d sys/kern/subr_pool.c:2025 #4 pool_gc_pages+0x6c sys/kern/subr_pool.c:1559 #5 taskq_thread+0xec sys/kern/kern_task.c:437 #6 proc_trampoline+0x1c ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9532 6431K 7074K 78643K 11510 0 pcb 13 8K 8K 78643K 105 0 rtable 99 13K 16K 78643K 439 0 ifaddr 92 18K 18K 78643K 170 0 sysctl 2 0K 0K 78643K 2 0 counters 45 34K 34K 78643K 57 0 ioctlops 0 0K 4K 78643K 1553 0 iov 0 0K 48K 78643K 81 0 mount 1 1K 1K 78643K 1 0 vnodes 1226 77K 77K 78643K 1510 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 8 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 116 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 530 0 sigio 0 0K 0K 78643K 26 0 proc 61 63K 95K 78643K 534 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 48 0 in_multi 93 4K 4K 78643K 185 0 ether_multi 1 0K 0K 78643K 16 0 mrt 0 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 55 254K 254K 78643K 55 0 exec 0 0K 1K 78643K 245 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 123 71K 71K 78643K 2726 0 UVM aobj 24 6K 6K 78643K 24 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 78 0 NDP 14 0K 0K 78643K 32 0 temp 124 3852K 3916K 78643K 9999 0 kqueue 3 4K 12K 78643K 32 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 9 0 3 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 49 0 47 1 0 1 1 0 8 0 rtentry 112 86 0 52 2 0 2 2 0 8 0 unpcb 120 345 0 335 1 0 1 1 0 8 0 syncache 264 7 0 7 3 3 0 1 0 8 0 tcpqe 32 754 0 754 2 2 0 1 0 8 0 tcpcb 544 250 0 245 1 0 1 1 0 8 0 inpcb 296 745 0 737 2 1 1 2 0 8 0 nd6 48 17 0 12 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 ppxss 1128 1 0 1 1 1 0 1 0 8 0 pfstscr 40 1 0 0 1 0 1 1 0 8 0 pffrag 232 4 0 4 1 0 1 1 0 482 1 pffrnode 88 4 0 4 1 0 1 1 0 8 1 pffrent 40 51 0 51 1 0 1 1 0 8 1 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 27 0 23 1 0 1 1 0 8 0 pfstitem 24 50 0 32 1 0 1 1 0 8 0 pfstkey 112 50 0 32 2 0 2 2 0 8 0 pfstate 328 49 0 32 4 0 4 4 0 8 0 pfrule 1360 36 0 24 3 2 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 501 0 306 15 2 13 13 0 8 0 art_table 32 502 0 306 2 0 2 2 0 8 0 art_node 16 85 0 57 1 0 1 1 0 8 0 sysvmsgpl 40 40 0 34 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 112 0 102 1 0 1 1 0 8 0 shmpl 112 22 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2114 0 714 89 0 89 89 0 8 0 ffsino 272 2114 0 714 96 1 95 95 0 8 0 nchpl 144 3120 0 1523 60 0 60 60 0 8 0 uvmvnodes 72 2380 0 0 44 0 44 44 0 8 0 vnodes 208 2380 0 0 126 0 126 126 0 8 0 namei 1024 9193 0 9193 2 2 0 1 0 8 0 percpumem 16 39 0 6 1 0 1 1 0 8 0 vcpupl 1984 4 0 0 1 0 1 1 0 8 0 vmpool 560 12 0 8 1 0 1 1 0 8 0 pfiaddrpl 120 8 0 6 1 0 1 1 0 8 0 scxspl 192 9496 0 9496 6 5 1 4 0 8 1 plimitpl 152 57 0 49 1 0 1 1 0 8 0 sigapl 424 763 0 711 6 0 6 6 0 8 0 futexpl 56 8442 0 8442 1 1 0 1 0 8 0 knotepl 112 100 0 81 1 0 1 1 0 8 0 kqueuepl 144 86 0 84 1 0 1 1 0 8 0 pipelkpl 48 175 0 165 1 0 1 1 0 8 0 pipepl 120 350 0 331 2 1 1 2 0 8 0 fdescpl 496 727 0 711 3 0 3 3 0 8 0 filepl 152 4855 0 4754 6 1 5 5 0 8 0 lockfpl 104 318 0 317 1 0 1 1 0 8 0 lockfspl 48 87 0 86 1 0 1 1 0 8 0 sessionpl 112 19 0 8 1 0 1 1 0 8 0 pgrppl 48 23 0 12 1 0 1 1 0 8 0 ucredpl 96 563 0 554 1 0 1 1 0 8 0 zombiepl 144 712 0 711 2 1 1 1 0 8 0 processpl 984 763 0 711 8 1 7 7 0 8 0 procpl 624 1897 0 1836 6 1 5 6 0 8 0 srpgc 64 2 0 2 1 1 0 1 0 8 0 sosppl 128 113 0 113 1 1 0 1 0 8 0 sockpl 400 1142 0 1122 6 3 3 4 0 8 0 mcl64k 65536 11 0 0 2 0 2 2 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 7 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 11 0 0 2 0 2 2 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 198 0 0 24 0 24 24 0 8 0 mtagpl 96 63 0 0 2 0 2 2 0 8 0 mbufpl 256 545 0 0 33 0 33 33 0 8 0 bufpl 280 4793 0 139 333 0 333 333 0 8 0 anonpl 16 85443 0 71522 81 12 69 80 0 124 0 amapchunkpl 152 4342 0 4196 13 6 7 10 0 158 0 amappl16 192 3361 0 2460 59 12 47 58 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 242 0 238 1 0 1 1 0 8 0 amappl13 168 534 0 527 1 0 1 1 0 8 0 amappl12 160 18 0 14 2 1 1 1 0 8 0 amappl11 152 70 0 54 1 0 1 1 0 8 0 amappl10 144 18 0 13 1 0 1 1 0 8 0 amappl9 136 393 0 390 1 0 1 1 0 8 0 amappl8 128 374 0 348 2 1 1 2 0 8 0 amappl7 120 125 0 112 1 0 1 1 0 8 0 amappl6 112 36 0 32 1 0 1 1 0 8 0 amappl5 104 379 0 363 1 0 1 1 0 8 0 amappl4 96 763 0 730 1 0 1 1 0 8 0 amappl3 88 594 0 587 1 0 1 1 0 8 0 amappl2 80 4813 0 4743 2 0 2 2 0 8 0 amappl1 72 25828 0 25387 23 14 9 18 0 8 0 amappl 80 2165 0 2114 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 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 64 23 0 0 1 0 1 1 0 8 0 uaddrrnd 24 739 0 719 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 739 0 719 1 0 1 1 0 8 0 vmmpekpl 168 9052 0 9011 3 0 3 3 0 8 0 vmmpepl 168 95985 0 93928 155 55 100 130 0 357 5 vmsppl 368 738 0 719 2 0 2 2 0 8 0 pdppl 4096 1485 0 1442 7 1 6 6 0 8 0 pvpl 32 257992 0 240831 189 27 162 186 0 265 0 pmappl 232 738 0 719 2 0 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 296 0 14 9 0 9 9 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff826fcff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x331 sys/dev/acpi/acpicpu.c:1187 sched_idle(ffffffff826fcff0) at sched_idle+0x3f7 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: 10 ddb{0}> trace x86_ipi_db(ffffffff826fcff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x331 sys/dev/acpi/acpicpu.c:1187 sched_idle(ffffffff826fcff0) at sched_idle+0x3f7 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: -5 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff823fea24) at panic+0x15c sys/kern/subr_prf.c:207 witness_checkorder(ffffffff828b9310,9,0) at witness_checkorder+0x10e0 sys/kern/subr_witness.c:821 __mp_lock(ffffffff828b9108) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff828b9108) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff828b9108) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 pageflttrap(ffff800020da3290,0) at pageflttrap+0x7f sys/arch/amd64/amd64/trap.c:180 kerntrap(ffff800020da3290) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b pool_cache_gc(ffffffff828ab988) at pool_cache_gc+0x138 pool_cache_list_put sys/kern/subr_pool.c:1970 [inline] pool_cache_gc(ffffffff828ab988) at pool_cache_gc+0x138 sys/kern/subr_pool.c:2025 pool_gc_pages(0) at pool_gc_pages+0x6c sys/kern/subr_pool.c:1559 taskq_thread(ffffffff8277c5f0) at taskq_thread+0xec sys/kern/kern_task.c:437 end trace frame: 0x0, count: 5 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff823fea24) at panic+0x15c sys/kern/subr_prf.c:207 witness_checkorder(ffffffff828b9310,9,0) at witness_checkorder+0x10e0 sys/kern/subr_witness.c:821 __mp_lock(ffffffff828b9108) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff828b9108) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff828b9108) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 pageflttrap(ffff800020da3290,0) at pageflttrap+0x7f sys/arch/amd64/amd64/trap.c:180 kerntrap(ffff800020da3290) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b pool_cache_gc(ffffffff828ab988) at pool_cache_gc+0x138 pool_cache_list_put sys/kern/subr_pool.c:1970 [inline] pool_cache_gc(ffffffff828ab988) at pool_cache_gc+0x138 sys/kern/subr_pool.c:2025 pool_gc_pages(0) at pool_gc_pages+0x6c sys/kern/subr_pool.c:1559 taskq_thread(ffffffff8277c5f0) at taskq_thread+0xec sys/kern/kern_task.c:437 end trace frame: 0x0, count: -10