uvm_fault(0xfffffd806e6e71f0, 0x0, 0, 1) -> e fatal page fault in supervisor mode trap type 6 code 0 rip ffffffff8226cb80 cs 8 rflags 10207 cr2 0 cpl 0 rsp ffff8000323e2460 gsbase 0xffff8000299ddff0 kgsbase 0x0 panic: trap type 6, code=0, pc=ffffffff8226cb80 Starting stack trace... panic(ffffffff8332de01) at panic+0x1d0 sys/kern/subr_prf.c:229 kerntrap(ffff8000323e23b0) at kerntrap+0x29b sys/arch/amd64/amd64/trap.c:327 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dt_ioctl_record_stop(ffff800001476000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:579 dtclose(21e5f,81,2000,ffff80002a281210) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,81,2000,ffff80002a281210) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff8000323e2560) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd807b681b10,81,fffffd807f7d3000,ffff80002a281210) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805f7b17a0,ffff80002a281210) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805f7b17a0,ffff80002a281210) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805f7b17a0,ffff80002a281210) at fdrop+0x126 sys/kern/kern_descrip.c:1265 closef(fffffd805f7b17a0,ffff80002a281210) at closef+0x192 sys/kern/kern_descrip.c:1249 fdfree(ffff80002a281210) at fdfree+0x116 sys/kern/kern_descrip.c:1181 exit1(ffff80002a281210,0,0,1) at exit1+0x58f sys/kern/kern_exit.c:214 sys_exit(ffff80002a281210,ffff8000323e28d0,ffff8000323e2820) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000323e28d0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000323e28d0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c04eac4b5d0, count: 242 End of stack trace. WARNING: SPL NOT LOWERED ON TRAP EXIT 4 0 Stopped at proc_trampoline+0xc7: movl $0,%gs:0x680 TID PID UID PRFLAGS PFLAGS CPU COMMAND *309556 33385 60928 0x10 0 1 syz-executor 362725 84811 0 0x14000 0x200 0 smr proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x73a69d18e490, count: 14 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 *cpu1: uvm_fault(0xfffffd806e6e71f0, 0x0, 0, 1) -> e ddb{1}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x73a69d18e490, count: -1 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003c441100 rbx 0 rdx 0 rcx 0xffff8000ffff1738 rax 0x2a r8 0xffff80003c441030 r9 0x1 r10 0x3a599f7841b86d44 r11 0x4b5f3574e5b2b71d r12 0 r13 0 r14 0 r15 0 rip 0xffffffff826194c7 proc_trampoline+0xc7 cs 0x8 rflags 0x246 rsp 0xffff80003c441080 ss 0x10 proc_trampoline+0xc7: movl $0,%gs:0x680 ddb{1}> show proc PROC (syz-executor) tid=309556 pid=33385 tcnt=2 stat=onproc flags process=10 proc=0 runpri=78, usrpri=78, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff0028,0xffff80002a280d00 process=0xffff8000fffeb358 user=0xffff80003c43c000, vmspace=0xfffffd806beb5978 estcpu=28, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 69057 286379 47174 0 2 0 syz-executor *33385 309556 10533 60928 7 0x10 syz-executor 33385 104513 10533 60928 3 0x4000090 fsleep syz-executor 39992 445128 65372 0 2 0 syz-executor 39992 7605 65372 0 3 0x4000080 lockf syz-executor 39992 23896 65372 0 2 0x4000000 syz-executor 76211 279270 99162 0 3 0x80 nanoslp syz-executor 76211 406660 99162 0 2 0x4000000 syz-executor 76211 254561 99162 0 3 0x4000080 fsleep syz-executor 68787 326014 35820 0 3 0x80 nanoslp syz-executor 68787 194021 35820 0 3 0x4000080 dtread syz-executor 68787 143596 35820 0 3 0x4000080 fsleep syz-executor 65478 102285 82126 0 3 0x80 nanoslp syz-executor 65478 492587 82126 0 3 0x4000080 kqsel syz-executor 65478 49387 82126 0 3 0x4000080 fsleep syz-executor 91289 431345 53825 0 3 0x2 biowait syz-executor 84199 53265 0 0 3 0x14200 acct acct 99162 337533 53825 0 2 0x2 syz-executor 24253 466864 1 0 3 0x100083 ttyin getty 79472 316499 0 0 3 0x14200 bored sosplice 10533 259328 53825 0 3 0x82 nanoslp syz-executor 82126 318673 53825 0 3 0x82 nanoslp syz-executor 35820 123148 53825 0 3 0x82 nanoslp syz-executor 85672 7613 53825 0 3 0x82 nanoslp syz-executor 65372 20873 53825 0 3 0x82 nanoslp syz-executor 47174 140811 53825 0 3 0x82 nanoslp syz-executor 53825 183764 86643 0 3 0x82 kqread syz-executor 86643 380416 35730 0 3 0x10008a sigsusp ksh 35730 67689 64356 0 3 0x98 kqread sshd-session 64356 70481 12141 0 3 0x92 kqread sshd-session 12141 165257 1 0 3 0x88 kqread sshd 89832 41554 1217 74 3 0x1100092 bpf pflogd 1217 136525 1 0 3 0x80 sbwait pflogd 15319 290821 60763 73 3 0x1100090 kqread syslogd 60763 378406 1 0 3 0x100082 sbwait syslogd 41865 318093 1 0 3 0x100080 kqread resolvd 73835 363569 44070 77 3 0x100092 kqread dhcpleased 10325 520491 44070 77 3 0x100092 kqread dhcpleased 44070 89031 1 0 3 0x80 kqread dhcpleased 84811 362725 0 0 7 0x14200 smr 82118 168200 0 0 2 0x14200 zerothread 46987 504467 0 0 3 0x14200 aiodoned aiodoned 68162 460100 0 0 3 0x14200 syncer update 77264 402458 0 0 3 0x14200 cleaner cleaner 92376 382984 0 0 3 0x14200 reaper reaper 40086 157584 0 0 3 0x14200 pgdaemon pagedaemon 94346 353738 0 0 3 0x14200 bored viomb 80567 520916 0 0 3 0x40014200 acpi0 acpi0 87126 252493 0 0 3 0x40014200 idle1 80541 142381 0 0 3 0x14200 bored softnet3 35468 243673 0 0 3 0x14200 bored softnet2 35529 91931 0 0 3 0x14200 bored softnet1 68940 1140 0 0 3 0x14200 netlock softnet0 2622 313568 0 0 2 0x40014200 systqmp 93222 21610 0 0 3 0x14200 bored systq 45034 133040 0 0 3 0x14200 tmoslp softclockmp 23243 102835 0 0 3 0x40014200 tmoslp softclock 26172 377835 0 0 3 0x40014200 idle0 1 431131 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &sched_lock r = 0 (0xffffffff838eec28) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x178 sys/kern/kern_lock.c:-1 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 wakeup_n+0x54 sys/kern/kern_synch.c:580 #4 uvm_pmr_freepages+0x459 sys/uvm/uvm_pmemrange.c:1338 #5 uvm_km_pgremove_intrsafe+0xd9 sys/uvm/uvm_km.c:309 #6 uvm_unmap_kill_entry_withlock+0x1f2 sys/uvm/uvm_map.c:1872 #7 uvm_unmap_remove+0x6a2 sys/uvm/uvm_map.c:2002 #8 uvm_unmap+0xab vm_map_unlock_ln sys/uvm/uvm_map.c:-1 [inline] #8 uvm_unmap+0xab sys/uvm/uvm_map.c:1793 #9 free+0x28b sys/kern/kern_malloc.c:432 #10 bpf_d_smr+0x46 sys/net/bpf.c:1693 #11 smr_thread+0x457 sys/kern/kern_smr.c:-1 #12 proc_trampoline+0x10 exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff838eb538) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x178 sys/kern/kern_lock.c:-1 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 uvm_pmr_freepages+0x1a8 sys/uvm/uvm_pmemrange.c:1323 #4 uvm_km_pgremove_intrsafe+0xd9 sys/uvm/uvm_km.c:309 #5 uvm_unmap_kill_entry_withlock+0x1f2 sys/uvm/uvm_map.c:1872 #6 uvm_unmap_remove+0x6a2 sys/uvm/uvm_map.c:2002 #7 uvm_unmap+0xab vm_map_unlock_ln sys/uvm/uvm_map.c:-1 [inline] #7 uvm_unmap+0xab sys/uvm/uvm_map.c:1793 #8 free+0x28b sys/kern/kern_malloc.c:432 #9 bpf_d_smr+0x46 sys/net/bpf.c:1693 #10 smr_thread+0x457 sys/kern/kern_smr.c:-1 #11 proc_trampoline+0x10 exclusive mutex &map->mtx r = 0 (0xffffffff839e1e70) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x178 sys/kern/kern_lock.c:-1 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 vm_map_lock_ln+0x1a1 sys/uvm/uvm_map.c:5261 #4 uvm_unmap+0x81 sys/uvm/uvm_map.c:1792 #5 free+0x28b sys/kern/kern_malloc.c:432 #6 bpf_d_smr+0x46 sys/net/bpf.c:1693 #7 smr_thread+0x457 sys/kern/kern_smr.c:-1 #8 proc_trampoline+0x10 Process 91289 (syz-executor) thread 0xffff80003a3fcf90 (431345) exclusive rrwlock inode r = 0 (0xfffffd806908cbe0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3117 #10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806908c1c0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3102 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 84811 (smr) thread 0xffff8000ffffc7b8 (362725) shared rwlock smr r = 0 (0xffffffff837cdfa8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 smr_thread+0x3cd sys/kern/kern_smr.c:-1 #2 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10220 11098K 11530K 166960K 12043 0 pcb 17 13K 13K 166960K 93 0 rtable 257 9K 9K 166960K 467 0 pf 38 18K 81K 166960K 90 0 ifaddr 45 7K 8K 166960K 73 0 ifgroup 61 2K 2K 166960K 113 0 sysctl 1 1K 1K 166960K 1 0 counters 72 37K 37K 166960K 240 0 ioctlops 0 0K 4K 166960K 1591 0 iov 0 0K 16K 166960K 20 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1543 97K 97K 166960K 1994 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 7 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 15 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 89K 166960K 567 0 sigio 0 0K 0K 166960K 7 0 proc 72 91K 128K 166960K 651 0 subproc 72 4K 4K 166960K 91 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 107 0 in_multi 99 7K 7K 166960K 129 0 ether_multi 1 0K 0K 166960K 2 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 434 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 231 167K 177K 166960K 6790 0 UVM aobj 10 2K 2K 166960K 11 0 pinsyscall 42 84K 103K 166960K 1701 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 0K 166960K 19 0 NDP 14 0K 1K 166960K 48 0 temp 42 8679K 8755K 166960K 18546 0 kqueue 15 24K 32K 166960K 98 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> 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 63 0 60 1 0 1 1 0 8 0 rtentry 176 145 0 28 6 0 6 6 0 8 0 unpcb 144 522 0 505 9 5 4 6 0 8 3 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 808 188 0 183 8 0 8 8 0 8 7 arp 128 23 0 4 1 0 1 1 0 8 0 inpcb 384 516 0 506 12 4 8 8 0 8 6 nd6 144 36 0 7 2 0 2 2 0 8 0 pkpcb 40 3 0 3 1 0 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1192 78 0 75 2 1 1 1 0 8 0 pppxif 1504 4 0 4 2 1 1 1 0 8 1 pffrag 232 4 0 2 1 0 1 1 0 482 0 pffrnode 88 4 0 2 1 0 1 1 0 8 0 pffrent 40 6 0 4 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 pfstitem 24 46 0 0 1 0 1 1 0 8 0 pfstkey 128 46 0 0 2 0 2 2 0 8 0 pfstate 384 46 0 0 5 0 5 5 0 8 0 pfrule 1344 22 0 17 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 592 0 108 31 0 31 31 0 8 0 art_table 32 594 0 108 4 0 4 4 0 8 0 art_node 16 143 0 37 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 6 2 1 1 1 0 8 1 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 13 0 3 1 0 1 1 0 8 0 shmpl 112 8 0 1 1 0 1 1 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 2313 0 794 96 0 96 96 0 8 0 ffsino 288 2313 0 794 109 0 109 109 0 8 0 nchpl 144 3053 0 1354 64 0 64 64 0 8 0 rtmask 32 2 0 2 1 1 0 1 0 8 0 uvmvnodes 80 2884 0 0 59 0 59 59 0 8 0 vnodes 216 2884 0 0 161 0 161 161 0 8 0 namei 1024 10091 0 10090 3 2 1 2 0 8 0 percpumem 16 135 0 84 1 0 1 1 0 8 0 kstatmem 264 56 0 28 3 0 3 3 0 8 1 scsiplug 72 2 0 2 2 1 1 1 0 8 1 scxspl 216 9505 0 9504 6 5 1 4 1 8 0 plimitpl 152 193 0 176 1 0 1 1 0 8 0 sigapl 424 864 0 813 8 2 6 7 0 8 0 futexpl 64 6030 0 6026 1 0 1 1 0 8 0 knotepl 120 531 0 0 17 0 17 17 0 8 0 kqueuepl 224 142 0 130 2 0 2 2 0 8 0 pipepl 336 269 0 239 12 4 8 8 0 8 4 fdescpl 520 844 0 813 3 0 3 3 0 8 0 filepl 160 4610 0 4384 24 8 16 19 0 8 3 lockfpl 104 119 0 115 1 0 1 1 0 8 0 lockfspl 48 43 0 40 1 0 1 1 0 8 0 sessionpl 144 25 0 16 1 0 1 1 0 8 0 pgrppl 48 38 0 21 1 0 1 1 0 8 0 ucredpl 104 462 0 448 1 0 1 1 0 8 0 zombiepl 144 814 0 813 1 0 1 1 0 8 0 processpl 1192 864 0 813 5 0 5 5 0 8 0 procpl 656 1545 0 1485 7 1 6 6 0 8 0 srpgc 96 4 0 4 1 1 0 1 0 8 0 sosppl 168 2 0 2 1 1 0 1 0 8 0 sockpl 728 1113 0 1083 21 11 10 15 0 8 7 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 6 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 124 0 0 16 0 16 16 0 8 0 mcl2k 2048 30 0 0 4 0 4 4 0 8 0 mtagpl 96 27 0 0 1 0 1 1 0 8 0 mbufpl 256 288 0 0 18 0 18 18 0 8 0 bufpl 280 3250 0 130 223 0 223 223 0 8 0 anonpl 32 5587 0 0 45 0 45 45 0 246 0 amapchunkpl 152 21340 0 20878 34 5 29 29 0 158 7 amappl16 200 2229 0 2201 6 3 3 5 0 8 0 amappl15 192 8 0 8 2 1 1 1 0 8 1 amappl14 184 117 0 105 1 0 1 1 0 8 0 amappl13 176 15 0 15 1 1 0 1 0 8 0 amappl12 168 1518 0 1488 3 1 2 2 0 8 0 amappl11 160 59 0 45 1 0 1 1 0 8 0 amappl10 152 2 0 2 1 1 0 1 0 8 0 amappl9 144 245 0 245 1 1 0 1 0 8 0 amappl8 136 28 0 25 1 0 1 1 0 8 0 amappl7 128 109 0 97 1 0 1 1 0 8 0 amappl6 120 197 0 193 1 0 1 1 0 8 0 amappl5 112 133 0 124 1 0 1 1 0 8 0 amappl4 104 329 0 310 1 0 1 1 0 8 0 amappl3 96 4037 0 3934 5 1 4 4 0 8 0 amappl2 88 659 0 596 2 0 2 2 0 8 0 amappl1 80 9947 0 9343 15 2 13 15 0 8 0 amappl 88 5995 0 5837 5 0 5 5 0 92 0 dma8192 8192 1 0 1 1 0 1 1 0 8 1 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 7 0 7 2 1 1 1 0 8 1 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 10 0 1 1 0 1 1 0 8 0 uaddrrnd 24 844 0 813 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 844 0 813 1 0 1 1 0 8 0 vmmpekpl 168 8719 0 8668 3 0 3 3 0 8 0 vmmpepl 168 57943 0 55975 92 0 92 92 0 357 1 vmsppl 480 843 0 813 5 0 5 5 0 8 0 rwobjpl 72 20073 0 16260 70 0 70 70 0 8 0 pdppl 4096 1695 0 1626 101 30 71 83 0 8 2 pvpl 32 14649 0 0 119 0 119 119 0 265 0 pmappl 256 843 0 813 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 415 0 39 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83828ff0) 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_lock(ffffffff838d2bc0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838d2bc0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a25ded0,ffff800000069c00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f __mp_lock(ffffffff838d2bc0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838d2bc0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a25e030,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f msleep(ffffffff838da4b8,ffffffff837cdf70,4,ffffffff83448c22,0) at msleep+0x2d8 sys/kern/kern_synch.c:237 smr_thread(ffff8000ffffc7b8) at smr_thread+0x17b sys/kern/kern_smr.c:98 end trace frame: 0x0, count: 4 ddb{0}> trace x86_ipi_db(ffffffff83828ff0) 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_lock(ffffffff838d2bc0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838d2bc0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a25ded0,ffff800000069c00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f __mp_lock(ffffffff838d2bc0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838d2bc0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a25e030,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f msleep(ffffffff838da4b8,ffffffff837cdf70,4,ffffffff83448c22,0) at msleep+0x2d8 sys/kern/kern_synch.c:237 smr_thread(ffff8000ffffc7b8) at smr_thread+0x17b sys/kern/kern_smr.c:98 end trace frame: 0x0, count: -11 ddb{0}> machine ddbcpu 1 Stopped at proc_trampoline+0xc7: movl $0,%gs:0x680 proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x73a69d18e490, count: 14 ddb{1}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x73a69d18e490, count: -1