kernel: page fault trap, code=10 Stopped at 0x473: uvm_fault(0xffffffff82eb71a0, 0x473, 0, 1) -> e kernel: page fault trap, code=0 Stopped at db_read_bytes+0xd0: movzbl 0xffffffffffffffff(%r15),%eax TID PID UID PRFLAGS PFLAGS CPU COMMAND db_read_bytes(473,1,ffff80002a102308) at db_read_bytes+0xd0 sys/arch/amd64/amd64/db_memrw.c:85 db_get_value(473,1,0) at db_get_value+0x5d sys/ddb/db_access.c:59 db_disasm(473,0) at db_disasm+0x88 db_trap(6,10) at db_trap+0x116 sys/ddb/db_trap.c:71 db_ktrap(6,10,ffff80002a102590) at db_ktrap+0x208 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff80002a102590) at kerntrap+0x143 sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b 473(fffffd806355cf00,fffffd806355cf00,0,fffffd806355cf00,307,2bf) at 0x473 softclock_process_kclock_timeout(fffffd806355cf00,0) at softclock_process_kclock_timeout+0x1d7 sys/kern/kern_timeout.c:695 softclock(0) at softclock+0x11a sys/kern/kern_timeout.c:754 softintr_dispatch(0) at softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffffffff82d20ff0) at sched_idle+0x41e sys/kern/kern_sched.c:183 end trace frame: 0x0, count: 1 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(0xffffffff82eb71a0, 0x473, 0, 1) -> e ddb{0}> trace db_read_bytes(473,1,ffff80002a102308) at db_read_bytes+0xd0 sys/arch/amd64/amd64/db_memrw.c:85 db_get_value(473,1,0) at db_get_value+0x5d sys/ddb/db_access.c:59 db_disasm(473,0) at db_disasm+0x88 db_trap(6,10) at db_trap+0x116 sys/ddb/db_trap.c:71 db_ktrap(6,10,ffff80002a102590) at db_ktrap+0x208 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff80002a102590) at kerntrap+0x143 sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b 473(fffffd806355cf00,fffffd806355cf00,0,fffffd806355cf00,307,2bf) at 0x473 softclock_process_kclock_timeout(fffffd806355cf00,0) at softclock_process_kclock_timeout+0x1d7 sys/kern/kern_timeout.c:695 softclock(0) at softclock+0x11a sys/kern/kern_timeout.c:754 softintr_dispatch(0) at softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffffffff82d20ff0) at sched_idle+0x41e sys/kern/kern_sched.c:183 end trace frame: 0x0, count: -14 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a1022f0 rbx 0x1 rdx 0 rcx 0xffff80002a0fca90 rax 0xffffffff82d20ff0 cpu_info_full_primary+0x1ff0 r8 0xffff80002a102410 r9 0x8080808080808080 r10 0x2a5532c113f72c22 r11 0xa8535cd630925637 r12 0x1 r13 0x1 r14 0xffff80002a102309 r15 0x474 rip 0xffffffff81d0b240 db_read_bytes+0xd0 cs 0x8 rflags 0x10286 __ALIGN_SIZE+0xf286 rsp 0xffff80002a102290 ss 0x10 db_read_bytes+0xd0: movzbl 0xffffffffffffffff(%r15),%eax ddb{0}> show proc PROC (idle0) tid=198902 pid=72692 tcnt=1 stat=onproc flags process=14000 proc=40000200 runpri=0, usrpri=50, slppri=0, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0x94ac4ab51c7645e, list=0xffff80002a0fcd38,0xffff80002a0fc7f8 process=0xffff8000fffff540 user=0xffff80002a0fd000, vmspace=0xffffffff82eb71a0 estcpu=0, cpticks=33177, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 2823 133378 1 0 3 0x80 fsleep syz-executor.0 2823 192160 1 0 3 0x4000080 netio syz-executor.0 80461 248315 82672 0 3 0x82 piperd syz-executor.2 73264 106793 82672 0 3 0x82 piperd syz-executor.5 42056 516473 82672 0 3 0x82 piperd syz-executor.7 3711 249947 82672 0 3 0x82 piperd syz-executor.1 40642 451155 82672 0 3 0x82 piperd syz-executor.6 57987 511926 82672 0 3 0x82 piperd syz-executor.4 15950 150247 1 0 3 0x100083 ttyin getty 32368 66863 82672 0 3 0x82 piperd syz-executor.3 6289 437104 0 0 3 0x14280 nfsidl nfsio 31881 409980 0 0 3 0x14280 nfsidl nfsio 63244 209405 0 0 3 0x14280 nfsidl nfsio 494 164044 0 0 3 0x14280 nfsidl nfsio 47837 321707 0 0 3 0x14280 nfsidl nfsio 77423 73639 0 0 3 0x14280 nfsidl nfsio 42783 329003 0 0 3 0x14280 nfsidl nfsio 64028 388656 0 0 3 0x14280 nfsidl nfsio 16600 105615 0 0 3 0x14280 nfsidl nfsio 49184 40552 0 0 3 0x14280 nfsidl nfsio 57846 248523 0 0 3 0x14280 nfsidl nfsio 57285 152967 0 0 3 0x14280 nfsidl nfsio 63544 318844 0 0 3 0x14280 nfsidl nfsio 26389 497410 0 0 3 0x14280 nfsidl nfsio 27605 333005 0 0 3 0x14280 nfsidl nfsio 14409 9255 0 0 3 0x14280 nfsidl nfsio 83618 80765 0 0 3 0x14280 nfsidl nfsio 60195 294909 0 0 3 0x14280 nfsidl nfsio 15344 403908 0 0 3 0x14280 nfsidl nfsio 52565 208170 0 0 3 0x14280 nfsidl nfsio 50029 13558 0 0 3 0x14200 bored sosplice 82672 226187 58502 0 3 0x2000082 wait syz-fuzzer 82672 202213 58502 0 3 0x6000082 thrsleep syz-fuzzer 82672 244832 58502 0 3 0x6000082 thrsleep syz-fuzzer 82672 88326 58502 0 3 0x6000082 thrsleep syz-fuzzer 82672 482210 58502 0 3 0x6000082 wait syz-fuzzer 82672 328570 58502 0 3 0x6000002 inode syz-fuzzer 82672 443971 58502 0 3 0x6000082 wait syz-fuzzer 82672 160111 58502 0 3 0x6000082 wait syz-fuzzer 82672 259256 58502 0 3 0x6000082 thrsleep syz-fuzzer 82672 326286 58502 0 3 0x6000082 wait syz-fuzzer 82672 35376 58502 0 3 0x6000082 thrsleep syz-fuzzer 82672 409674 58502 0 3 0x6000082 thrsleep syz-fuzzer 82672 520484 58502 0 3 0x6000082 wait syz-fuzzer 82672 97866 58502 0 3 0x6000082 wait syz-fuzzer 82672 325204 58502 0 3 0x6000082 kqread syz-fuzzer 82672 519066 58502 0 3 0x6000082 thrsleep syz-fuzzer 58502 284805 91228 0 3 0x10008a sigsusp ksh 91228 320251 92976 0 3 0x9a kqread sshd 92976 103137 1 0 3 0x88 kqread sshd 21984 120803 34781 74 3 0x1100092 bpf pflogd 34781 495911 1 0 3 0x80 netio pflogd 49310 50806 23420 73 3 0x1100090 kqread syslogd 23420 410360 1 0 3 0x100082 netio syslogd 80223 210300 1 0 3 0x100080 kqread resolvd 53359 503959 47474 77 3 0x100092 kqread dhcpleased 8048 158392 47474 77 3 0x100092 kqread dhcpleased 47474 483790 1 0 3 0x80 kqread dhcpleased 97745 354503 0 0 3 0x14200 bored smr 5146 92345 0 0 3 0x14200 pgzero zerothread 25519 316119 0 0 3 0x14200 aiodoned aiodoned 71491 145350 0 0 3 0x14200 syncer update 42144 151023 0 0 3 0x14200 cleaner cleaner 67648 29088 0 0 3 0x14200 reaper reaper 89594 80782 0 0 3 0x14200 pgdaemon pagedaemon 59828 160590 0 0 3 0x14200 bored viomb 3267 149261 0 0 3 0x40014200 acpi0 acpi0 35543 288936 0 0 7 0x40014200 idle1 91620 510634 0 0 3 0x14200 bored softnet3 50406 98950 0 0 3 0x14200 bored softnet2 28813 95759 0 0 3 0x14200 bored softnet1 1784 15608 0 0 3 0x14200 bored softnet0 53448 83357 0 0 3 0x14200 bored systqmp 87127 399610 0 0 3 0x14200 bored systq 41748 150622 0 0 3 0x14200 tmoslp softclockmp 74989 280446 0 0 3 0x40014200 tmoslp softclock *72692 198902 0 0 7 0x40014200 idle0 1 480773 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: shared mutex timeout r = 0 (0xffffffff82d563a8) #0 witness_lock+0x447 #1 timeout_run+0xbb sys/kern/kern_timeout.c:661 #2 softclock_process_kclock_timeout+0x1d7 sys/kern/kern_timeout.c:695 #3 softclock+0x11a sys/kern/kern_timeout.c:754 #4 softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 #5 Xsoftclock+0x27 #6 acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 #7 sched_idle+0x41e sys/kern/kern_sched.c:183 #8 proc_trampoline+0x10 Process 2823 (syz-executor.0) thread 0xffff800032301ff0 (192160) exclusive rrwlock inode r = 0 (0xfffffd8067c7cc58) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x46 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ufs_lookup+0x1188 sys/ufs/ufs/ufs_lookup.c:573 #7 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #8 vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566 #9 namei+0x55a sys/kern/vfs_lookup.c:250 #10 vn_open+0xf8 sys/kern/vfs_vnops.c:140 #11 vndioctl+0xa0b sys/dev/vnd.c:457 #12 VOP_IOCTL+0x97 sys/kern/vfs_vops.c:264 #13 vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525 #14 sys_ioctl+0x4a2 #15 syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] #15 syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 #16 Xsyscall+0x128 Process 82672 (syz-fuzzer) thread 0xffff80002a17d570 (328570) exclusive rrwlock inode r = 0 (0xfffffd8067c7c928) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #8 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #8 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 72692 (idle0) thread 0xffff80002a0fca90 (198902) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82e12380) #0 witness_lock+0x447 #1 softintr_dispatch+0x52 sys/arch/amd64/amd64/softintr.c:88 #2 Xsoftclock+0x27 #3 acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 #4 sched_idle+0x41e sys/kern/kern_sched.c:183 #5 proc_trampoline+0x10 shared mutex timeout r = 0 (0xffffffff82d563a8) #0 witness_lock+0x447 #1 timeout_run+0xbb sys/kern/kern_timeout.c:661 #2 softclock_process_kclock_timeout+0x1d7 sys/kern/kern_timeout.c:695 #3 softclock+0x11a sys/kern/kern_timeout.c:754 #4 softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 #5 Xsoftclock+0x27 #6 acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 #7 sched_idle+0x41e sys/kern/kern_sched.c:183 #8 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10206 6573K 7130K 166960K 34983 0 pcb 15 16K 18K 166960K 881 0 rtable 243 15K 15K 166960K 1582 0 pf 37 10K 10K 166960K 216 0 ifaddr 49 17K 17K 166960K 225 0 ifgroup 64 2K 2K 166960K 354 0 sysctl 4 1K 1K 166960K 10 0 counters 68 36K 37K 166960K 234 0 ioctlops 0 0K 4K 166960K 2072 0 iov 0 0K 24K 166960K 960 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1518 95K 95K 166960K 8226 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 126 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 1538 0 dirhash 12 2K 2K 166960K 51 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 10 33K 93K 166960K 11180 0 sigio 0 0K 0K 166960K 430 0 proc 70 91K 128K 166960K 1790 0 subproc 104 6K 7K 166960K 471 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 385 0 in_multi 98 7K 7K 166960K 475 0 ether_multi 1 0K 0K 166960K 16 0 mrt 1 0K 0K 166960K 10 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 127 572K 572K 166960K 127 0 exec 0 0K 1K 166960K 1929 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 411 396K 406K 166960K 110761 0 UVM aobj 131 4K 4K 166960K 132 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 409 0 NDP 14 0K 1K 166960K 167 0 temp 83 6772K 6900K 166960K 118342 0 kqueue 12 18K 30K 166960K 801 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 120 325 0 322 2 1 1 2 0 8 0 rtentry 112 544 0 433 4 0 4 4 0 8 0 unpcb 144 9864 0 9847 103 102 1 10 0 8 0 syncache 320 100 0 100 19 19 0 1 0 8 0 tcpqe 32 198 0 198 15 15 0 1 0 8 0 tcpcb 808 3326 0 3314 111 107 4 17 0 8 0 arp 120 112 0 95 1 0 1 1 0 8 0 inpcb 376 8022 0 8007 126 120 6 22 0 8 0 nd6 136 109 0 83 1 0 1 1 0 8 0 pkpcb 40 20 0 20 5 5 0 1 0 8 0 kcovpl 48 35 0 27 1 0 1 1 0 8 0 ppxss 1168 22 0 22 6 6 0 1 0 8 0 pffrag 232 52 0 52 2 2 0 1 0 482 0 pffrnode 88 52 0 52 2 2 0 1 0 8 0 pffrent 40 212 0 212 2 2 0 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 24 311 0 309 1 0 1 1 0 8 0 pfstkey 128 311 0 309 3 2 1 2 0 8 0 pfstate 376 311 0 309 11 10 1 6 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1837 0 1371 48 18 30 31 0 8 0 art_table 32 1838 0 1371 4 0 4 4 0 8 0 art_node 16 533 0 435 1 0 1 1 0 8 0 semapl 112 1534 0 1524 1 0 1 1 0 8 0 shmpl 112 129 0 1 4 0 4 4 0 8 0 dirhash 1024 43 0 26 3 0 3 3 0 8 0 dino2pl 256 15910 0 14394 95 0 95 95 0 8 0 ffsino 272 15910 0 14394 102 0 102 102 0 8 0 nchpl 144 30632 0 28989 64 0 64 64 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 101173 0 101172 6 5 1 2 0 8 0 percpumem 16 131 0 83 1 0 1 1 0 8 0 vcpupl 2048 145 0 0 19 0 19 19 0 8 0 vmpool 696 157 0 12 14 0 14 14 0 8 0 kstatmem 264 194 0 166 7 5 2 3 0 8 0 scxspl 216 87967 0 87967 30 29 1 8 1 8 1 plimitpl 152 1010 0 994 1 0 1 1 0 8 0 sigapl 424 11478 0 11416 11 2 9 9 0 8 0 futexpl 64 84182 0 84181 1 0 1 1 0 8 0 knotepl 120 646 0 0 11 0 11 11 0 8 0 kqueuepl 216 2031 0 2023 39 38 1 8 0 8 0 pipepl 320 1654 0 1626 46 43 3 8 0 8 0 fdescpl 496 11438 0 11415 18 14 4 5 0 8 0 filepl 152 64776 0 64535 93 77 16 20 0 8 0 lockfpl 104 3890 0 3888 6 5 1 2 0 8 0 lockfspl 48 1443 0 1441 1 0 1 1 0 8 0 sessionpl 144 54 0 37 1 0 1 1 0 8 0 pgrppl 48 152 0 135 1 0 1 1 0 8 0 ucredpl 104 8581 0 8567 1 0 1 1 0 8 0 zombiepl 144 11416 0 11416 1 1 0 1 0 8 0 processpl 1136 11478 0 11416 7 1 6 6 0 8 0 procpl 680 30822 0 30744 11 2 9 9 0 8 0 srpgc 96 38 0 38 14 14 0 1 0 8 0 sosppl 168 92 0 92 16 16 0 1 0 8 0 sockpl 584 18289 0 18254 172 165 7 22 0 8 0 mcl64k 65536 25 0 0 3 0 3 3 0 8 0 mcl16k 16384 25 0 0 3 0 3 3 0 8 0 mcl12k 12288 25 0 0 2 0 2 2 0 8 0 mcl9k 9216 17 0 0 2 0 2 2 0 8 0 mcl8k 8192 18 0 0 3 0 3 3 0 8 0 mcl4k 4096 25 0 0 3 0 3 3 0 8 0 mcl2k2 2112 7 0 0 1 0 1 1 0 8 0 mcl2k 2048 535 0 0 41 9 32 32 0 8 0 mtagpl 96 1140 0 0 22 0 22 22 0 8 0 mbufpl 256 1824 0 0 92 0 92 92 0 8 0 bufpl 280 20865 0 14547 452 0 452 452 0 8 0 anonpl 24 1218079 0 1203935 211 103 108 116 0 186 0 amapchunkpl 152 349777 0 349000 50 9 41 43 0 158 0 amappl16 200 25726 0 25259 134 104 30 38 0 8 0 amappl15 192 16 0 16 4 4 0 1 0 8 0 amappl14 184 263 0 246 2 1 1 2 0 8 0 amappl13 176 32 0 31 1 0 1 1 0 8 0 amappl12 168 12518 0 12490 5 3 2 3 0 8 0 amappl11 160 56 0 42 1 0 1 1 0 8 0 amappl10 152 101 0 86 1 0 1 1 0 8 0 amappl9 144 262 0 262 22 22 0 1 0 8 0 amappl8 136 600 0 481 5 0 5 5 0 8 0 amappl7 128 271 0 244 2 0 2 2 0 8 0 amappl6 120 815 0 797 1 0 1 1 0 8 0 amappl5 112 335 0 323 1 0 1 1 0 8 0 amappl4 104 736 0 700 4 2 2 2 0 8 0 amappl3 96 68399 0 68333 5 2 3 3 0 8 0 amappl2 88 12386 0 12310 3 1 2 3 0 8 0 amappl1 80 50436 0 49886 24 11 13 23 0 8 0 amappl 88 109714 0 109481 8 1 7 7 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 72 131 0 1 3 0 3 3 0 8 0 uaddrrnd 24 11595 0 11427 2 0 2 2 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 11595 0 11427 2 0 2 2 0 8 0 vmmpekpl 168 81804 0 81717 6 1 5 5 0 8 0 vmmpepl 168 693078 0 690731 400 269 131 150 0 357 0 vmsppl 448 11594 0 11427 24 4 20 20 0 8 0 rwobjpl 56 173690 0 165994 119 6 113 113 0 8 0 pdppl 4096 23197 0 22999 780 582 198 218 0 8 0 pvpl 32 42510 0 0 345 2 343 344 0 265 0 pmappl 248 11594 0 11427 13 2 11 12 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1526 0 900 19 0 19 19 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_read_bytes(473,1,ffff80002a102308) at db_read_bytes+0xd0 sys/arch/amd64/amd64/db_memrw.c:85 db_get_value(473,1,0) at db_get_value+0x5d sys/ddb/db_access.c:59 db_disasm(473,0) at db_disasm+0x88 db_trap(6,10) at db_trap+0x116 sys/ddb/db_trap.c:71 db_ktrap(6,10,ffff80002a102590) at db_ktrap+0x208 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff80002a102590) at kerntrap+0x143 sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b 473(fffffd806355cf00,fffffd806355cf00,0,fffffd806355cf00,307,2bf) at 0x473 softclock_process_kclock_timeout(fffffd806355cf00,0) at softclock_process_kclock_timeout+0x1d7 sys/kern/kern_timeout.c:695 softclock(0) at softclock+0x11a sys/kern/kern_timeout.c:754 softintr_dispatch(0) at softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffffffff82d20ff0) at sched_idle+0x41e sys/kern/kern_sched.c:183 end trace frame: 0x0, count: -14 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 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800029cebff0) at sched_idle+0x41e sys/kern/kern_sched.c:183 end trace frame: 0x0, count: 10 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 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800029cebff0) at sched_idle+0x41e sys/kern/kern_sched.c:183 end trace frame: 0x0, count: -5