witness: lock order reversal: 1st 0xffffffff82d0ad08 &sched_lock (&sched_lock) 2nd 0xffff8000212126d0 &pr->ps_mtx (&pr->ps_mtx) lock order "&pr->ps_mtx"(mutex) -> "&sched_lock"(sched_lock) first seen at: #0 __mp_lock+0xa2 read_rflags machine/cpufunc.h:195 [inline] #0 __mp_lock+0xa2 intr_disable machine/cpufunc.h:216 [inline] #0 __mp_lock+0xa2 sys/kern/kern_lock.c:142 #1 donice+0x178 sys/kern/kern_resource.c:218 #2 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #2 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #3 Xsyscall+0x128 lock order "&sched_lock"(sched_lock) -> "&pr->ps_mtx"(mutex) first seen at: #0 mtx_enter+0x3e sys/kern/kern_lock.c:265 #1 single_thread_set+0x35a single_thread_wait sys/kern/kern_sig.c:2172 [inline] #1 single_thread_set+0x35a sys/kern/kern_sig.c:2155 #2 sigexit+0x90 sys/kern/kern_sig.c:1562 #3 postsig+0x4a9 sys/kern/kern_sig.c:1494 #4 userret+0x16e sys/kern/kern_sig.c:1987 #5 syscall+0x4e7 mi_syscall_return sys/sys/syscall_mi.h:137 [inline] #5 syscall+0x4e7 sys/arch/amd64/amd64/trap.c:644 #6 Xsyscall+0x128 Stopped at db_enter+0x1c: addq $0x8,%rsp ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(ffff8000212126d0,9,0) at witness_checkorder+0x10b7 witness_debugger sys/kern/subr_witness.c:2510 [inline] witness_checkorder(ffff8000212126d0,9,0) at witness_checkorder+0x10b7 sys/kern/subr_witness.c:1110 mtx_enter(ffff8000212126c0) at mtx_enter+0x3e sys/kern/kern_lock.c:265 single_thread_set(ffff8000212312b8,0,1) at single_thread_set+0x35a single_thread_wait sys/kern/kern_sig.c:2172 [inline] single_thread_set(ffff8000212312b8,0,1) at single_thread_set+0x35a sys/kern/kern_sig.c:2155 sigexit(ffff8000212312b8,6) at sigexit+0x90 sys/kern/kern_sig.c:1562 postsig(ffff8000212312b8,6,ffff80002e42f468) at postsig+0x4a9 sys/kern/kern_sig.c:1494 userret(ffff8000212312b8) at userret+0x16e sys/kern/kern_sig.c:1987 syscall(ffff80002e42f5a0) at syscall+0x4e7 mi_syscall_return sys/sys/syscall_mi.h:137 [inline] syscall(ffff80002e42f5a0) at syscall+0x4e7 sys/arch/amd64/amd64/trap.c:644 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x91a23f04cf0, count: -9 ddb{1}> show registers rdi 0x3 rsi 0x40000 acpi_pdirpa+0x2be63 rbp 0xffff80002e42f170 rbx 0x3 rdx 0xffff800000d64b00 rcx 0xffff8000212312b8 rax 0x3ffff acpi_pdirpa+0x2be62 r8 0xffff80002e42f0e0 r9 0x8080808080808080 r10 0xa00a085b21a5794c r11 0xf61655629952202c r12 0xfffffd8003a0a7a0 r13 0 r14 0xfffffd80039f9970 r15 0xfffffd80031c7bc0 rip 0xffffffff81334fdc db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002e42f160 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.5) pid=444532 stat=onproc flags process=500010 proc=4002000 pri=32, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff800021230020,0xffff800021230ad0 process=0xffff8000212125c0 user=0xffff80002e42a000, vmspace=0xfffffd806a015590 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 65545 340939 1446 32767 2 0x10 syz-executor.1 36344 477412 75779 32767 7 0x10 syz-executor.4 34084 398333 25958 32767 4 0x582010 syz-executor.5 *34084 444532 25958 32767 7 0x4502010 syz-executor.5 41313 261711 48879 32767 2 0x10 syz-executor.2 41313 471298 48879 32767 3 0x4000090 fsleep syz-executor.2 41313 467144 48879 32767 3 0x4000090 fsleep syz-executor.2 76312 187293 72025 32767 2 0x10 syz-executor.0 76312 31674 72025 32767 3 0x4000090 fsleep syz-executor.0 76312 286787 72025 32767 3 0x4000090 fsleep syz-executor.0 43965 244428 75310 32767 2 0x10 syz-executor.6 43965 518858 75310 32767 3 0x4000090 kqread syz-executor.6 43965 431627 75310 32767 3 0x4000090 kqread syz-executor.6 43965 514930 75310 32767 3 0x4000090 kqread syz-executor.6 43965 265350 75310 32767 2 0x4000010 syz-executor.6 1446 6387 46103 32767 2 0x10 syz-executor.1 46103 146513 33166 0 3 0x82 wait syz-executor.1 25958 517569 93604 32767 3 0x90 nanoslp syz-executor.5 93604 346646 33166 0 3 0x82 wait syz-executor.5 75310 291227 79752 32767 3 0x90 nanoslp syz-executor.6 79752 409817 33166 0 3 0x82 wait syz-executor.6 98653 173492 18315 32767 3 0x10 biowait syz-executor.7 18315 377253 33166 0 3 0x82 wait syz-executor.7 30928 284426 0 0 3 0x14200 bored sosplice 75779 283922 60093 32767 3 0x90 nanoslp syz-executor.4 78529 286575 64589 32767 3 0x10 biowait syz-executor.3 60093 427596 33166 0 3 0x82 wait syz-executor.4 48879 479387 45820 32767 3 0x90 nanoslp syz-executor.2 64589 176784 33166 0 3 0x82 wait syz-executor.3 45820 180770 33166 0 3 0x82 wait syz-executor.2 72025 120416 1872 32767 3 0x90 nanoslp syz-executor.0 1872 257284 33166 0 3 0x82 wait syz-executor.0 33166 501374 41598 0 3 0x2000082 kqread syz-fuzzer 33166 164839 41598 0 3 0x6000082 nanoslp syz-fuzzer 33166 51371 41598 0 3 0x6000082 wait syz-fuzzer 33166 222037 41598 0 3 0x6000082 wait syz-fuzzer 33166 2642 41598 0 3 0x6000082 thrsleep syz-fuzzer 33166 214654 41598 0 3 0x6000082 thrsleep syz-fuzzer 33166 473225 41598 0 3 0x6000082 wait syz-fuzzer 33166 462617 41598 0 3 0x6000082 wait syz-fuzzer 33166 220639 41598 0 3 0x6000082 wait syz-fuzzer 33166 363529 41598 0 3 0x6000082 wait syz-fuzzer 33166 83949 41598 0 3 0x6000082 thrsleep syz-fuzzer 33166 492664 41598 0 3 0x6000082 thrsleep syz-fuzzer 33166 484597 41598 0 3 0x6000082 wait syz-fuzzer 33166 260971 41598 0 3 0x6000082 thrsleep syz-fuzzer 33166 19691 41598 0 3 0x6000082 thrsleep syz-fuzzer 33166 318927 41598 0 3 0x6000082 wait syz-fuzzer 41598 165442 51909 0 3 0x10008a sigsusp ksh 51909 460171 64364 0 3 0x9a kqread sshd 94899 230622 1 0 3 0x100083 ttyin getty 64364 37979 1 0 3 0x88 kqread sshd 67873 252950 53900 73 3 0x1100090 kqread syslogd 53900 21023 1 0 3 0x100082 netio syslogd 4400 283574 1 0 3 0x100080 kqread resolvd 30421 148898 90096 77 3 0x100092 kqread dhcpleased 32851 108986 90096 77 3 0x100092 kqread dhcpleased 90096 282414 1 0 3 0x80 kqread dhcpleased 20511 77428 0 0 3 0x14200 bored smr 29157 379417 0 0 2 0x14200 zerothread 5163 105758 0 0 3 0x14200 aiodoned aiodoned 24880 242205 0 0 3 0x14200 syncer update 26916 434382 0 0 3 0x14200 cleaner cleaner 74935 348553 0 0 3 0x14200 reaper reaper 37784 126293 0 0 3 0x14200 pgdaemon pagedaemon 53785 64708 0 0 3 0x14200 bored viomb 40574 391745 0 0 3 0x40014200 acpi0 acpi0 91913 106347 0 0 3 0x40014200 idle1 4371 108077 0 0 3 0x14200 bored softnet3 35027 446023 0 0 3 0x14200 bored softnet2 41898 170668 0 0 3 0x14200 bored softnet1 30626 24186 0 0 3 0x14200 bored softnet0 23140 347921 0 0 3 0x14200 bored systqmp 77560 474765 0 0 3 0x14200 bored systq 22195 435416 0 0 3 0x40014200 bored softclock 852 262614 0 0 3 0x40014200 idle0 1 313545 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff82d0aa18) #0 witness_lock+0x447 #1 mtx_enter_try+0x104 #2 mtx_enter+0x4f sys/kern/kern_lock.c:266 #3 uvm_pmr_getpages+0xeac sys/uvm/uvm_pmemrange.c:1205 #4 uvm_pagealloc+0x1a8 sys/uvm/uvm_page.c:910 #5 pmap_get_ptp+0x18d sys/arch/amd64/amd64/pmap.c:1209 #6 pmap_enter+0x2be sys/arch/amd64/amd64/pmap.c:2716 #7 uvm_fault_lower_lookup+0x2a4 sys/uvm/uvm_fault.c:1192 #8 uvm_fault_lower+0x63 sys/uvm/uvm_fault.c:1227 #9 uvm_fault+0x238 #10 upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188 #11 usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 #12 recall_trap+0x8 exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd8066cde9c0) #0 witness_lock+0x447 #1 mtx_enter_try+0x104 #2 mtx_enter+0x4f sys/kern/kern_lock.c:266 #3 pmap_enter+0x1c3 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:423 [inline] #3 pmap_enter+0x1c3 sys/arch/amd64/amd64/pmap.c:2710 #4 uvm_fault_lower_lookup+0x2a4 sys/uvm/uvm_fault.c:1192 #5 uvm_fault_lower+0x63 sys/uvm/uvm_fault.c:1227 #6 uvm_fault+0x238 #7 upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188 #8 usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 #9 recall_trap+0x8 CPU 1: exclusive sched_lock &sched_lock r = 0 (0xffffffff82d0ad08) #0 witness_lock+0x447 #1 single_thread_set+0x179 sys/kern/kern_sig.c:2113 #2 sigexit+0x90 sys/kern/kern_sig.c:1562 #3 postsig+0x4a9 sys/kern/kern_sig.c:1494 #4 userret+0x16e sys/kern/kern_sig.c:1987 #5 syscall+0x4e7 mi_syscall_return sys/sys/syscall_mi.h:137 [inline] #5 syscall+0x4e7 sys/arch/amd64/amd64/trap.c:644 #6 Xsyscall+0x128 Process 36344 (syz-executor.4) thread 0xffff800021230020 (477412) exclusive rwlock uobjlk r = 0 (0xfffffd806e5500f0) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 uvm_fault_lower_lookup+0x4a sys/uvm/uvm_fault.c:1126 #3 uvm_fault_lower+0x63 sys/uvm/uvm_fault.c:1227 #4 uvm_fault+0x238 #5 upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188 #6 usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 #7 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd806a0152e8) #0 witness_lock+0x447 #1 uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1785 #2 uvm_fault_check+0x3e sys/uvm/uvm_fault.c:672 #3 uvm_fault+0xf2 sys/uvm/uvm_fault.c:600 #4 upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188 #5 usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 #6 recall_trap+0x8 Process 34084 (syz-executor.5) thread 0xffff8000212312b8 (444532) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82c795f0) #0 witness_lock+0x447 #1 postsig+0x49e sys/kern/kern_sig.c:1500 #2 userret+0x16e sys/kern/kern_sig.c:1987 #3 syscall+0x4e7 mi_syscall_return sys/sys/syscall_mi.h:137 [inline] #3 syscall+0x4e7 sys/arch/amd64/amd64/trap.c:644 #4 Xsyscall+0x128 exclusive sched_lock &sched_lock r = 0 (0xffffffff82d0ad08) #0 witness_lock+0x447 #1 single_thread_set+0x179 sys/kern/kern_sig.c:2113 #2 sigexit+0x90 sys/kern/kern_sig.c:1562 #3 postsig+0x4a9 sys/kern/kern_sig.c:1494 #4 userret+0x16e sys/kern/kern_sig.c:1987 #5 syscall+0x4e7 mi_syscall_return sys/sys/syscall_mi.h:137 [inline] #5 syscall+0x4e7 sys/arch/amd64/amd64/trap.c:644 #6 Xsyscall+0x128 Process 98653 (syz-executor.7) thread 0xffff80002128e550 (173492) exclusive rrwlock inode r = 0 (0xfffffd8066389f78) #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:1343 #6 ffs_inode_alloc+0x1c2 sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf8 sys/ufs/ufs/ufs_vnops.c:1149 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3073 #10 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #10 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8066389c48) #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 domkdirat+0x79 sys/kern/vfs_syscalls.c:3058 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #9 Xsyscall+0x128 Process 78529 (syz-executor.3) thread 0xffff800021238ac0 (286575) exclusive rrwlock inode r = 0 (0xfffffd80663892b8) #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:1343 #6 ffs_inode_alloc+0x1c2 sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf8 sys/ufs/ufs/ufs_vnops.c:1149 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3073 #10 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #10 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807a8cd700) #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 domkdirat+0x79 sys/kern/vfs_syscalls.c:3058 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10189 6408K 6420K 78643K 11291 0 pcb 13 10K 12K 78643K 15 0 rtable 236 6K 7K 78643K 725 0 pf 29 8K 8K 78643K 45 0 ifaddr 44 15K 15K 78643K 80 0 ifgroup 50 2K 2K 78643K 82 0 sysctl 3 1K 1K 78643K 3 0 counters 60 35K 35K 78643K 76 0 ioctlops 0 0K 2K 78643K 49 0 iov 0 0K 16K 78643K 195 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1278 80K 80K 78643K 1809 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 38 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 301 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 24 89K 113K 78643K 3151 0 sigio 1 0K 0K 78643K 27 0 proc 56 78K 127K 78643K 872 0 subproc 104 6K 6K 78643K 208 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 78 0 in_multi 99 7K 7K 78643K 206 0 ether_multi 1 0K 0K 78643K 1 0 mrt 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 73 334K 334K 78643K 73 0 exec 0 0K 1K 78643K 743 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 8 62K 64K 78643K 10 0 UVM amap 374 90K 94K 78643K 35999 0 UVM aobj 131 4K 5K 78643K 137 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 41 0 NDP 11 0K 2K 78643K 51 0 temp 74 5916K 5983K 78643K 11982 0 kqueue 12 18K 43K 78643K 2207 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 plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 156 0 153 2 1 1 2 0 8 0 rtentry 112 202 0 91 4 0 4 4 0 8 0 unpcb 144 2282 0 2269 42 36 6 10 0 8 5 syncache 304 32 0 32 9 8 1 1 0 8 1 tcpqe 32 141 0 141 8 7 1 1 0 8 1 tcpcb 808 1390 0 1374 43 41 2 9 0 8 0 arp 120 35 0 16 1 0 1 1 0 8 0 ipq 40 10 0 9 3 2 1 1 0 8 0 ipqe 40 39 0 38 3 2 1 1 0 8 0 inpcb 368 2765 0 2742 53 45 8 17 0 8 4 nd6 136 50 0 26 1 0 1 1 0 8 0 kcovpl 48 16 0 8 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 818 0 362 29 0 29 29 0 8 0 art_table 32 819 0 362 4 0 4 4 0 8 0 art_node 16 201 0 100 1 0 1 1 0 8 0 sysvmsgpl 40 9 0 7 1 0 1 1 0 8 0 semapl 112 299 0 289 1 0 1 1 0 8 0 shmpl 112 134 0 6 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 5271 0 3831 91 0 91 91 0 8 0 ffsino 272 5271 0 3831 97 0 97 97 0 8 0 nchpl 144 9311 0 7670 63 0 63 63 0 8 0 uvmvnodes 80 5488 0 0 112 0 112 112 0 8 0 vnodes 216 5488 0 0 305 0 305 305 0 8 0 namei 1024 33816 0 33814 3 2 1 2 0 8 0 percpumem 16 51 0 8 1 0 1 1 0 8 0 kstatmem 264 38 0 16 2 0 2 2 0 8 0 scxspl 216 37091 0 37089 16 14 2 8 1 8 1 plimitpl 152 483 0 460 5 4 1 2 0 8 0 sigapl 424 3429 0 3376 7 0 7 7 0 8 0 futexpl 64 24075 0 24071 6 5 1 1 0 8 0 knotepl 120 396 0 0 11 0 11 11 0 8 0 kqueuepl 216 3655 0 3645 45 42 3 10 0 8 2 pipepl 320 535 0 506 17 14 3 8 0 8 0 fdescpl 496 3411 0 3376 7 2 5 6 0 8 0 filepl 152 25029 0 24756 66 48 18 23 0 8 7 lockfpl 104 972 0 970 3 2 1 2 0 8 0 lockfspl 48 232 0 230 1 0 1 1 0 8 0 sessionpl 144 31 0 15 1 0 1 1 0 8 0 pgrppl 48 37 0 21 1 0 1 1 0 8 0 ucredpl 104 2664 0 2646 1 0 1 1 0 8 0 zombiepl 144 3376 0 3376 1 0 1 1 0 8 1 processpl 1072 3429 0 3376 4 0 4 4 0 8 0 procpl 680 10432 0 10355 13 5 8 8 0 8 1 sosppl 168 66 0 66 7 6 1 1 0 8 1 sockpl 488 5274 0 5239 155 137 18 34 0 8 13 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 15 0 0 2 0 2 2 0 8 0 mcl12k 12288 13 0 0 2 0 2 2 0 8 0 mcl9k 9216 9 0 0 1 0 1 1 0 8 0 mcl8k 8192 24 0 0 3 0 3 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 282 0 0 33 1 32 33 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 1102 0 0 63 0 63 63 0 8 0 bufpl 288 9946 0 3620 453 0 453 453 0 8 0 anonpl 24 486301 0 475005 124 48 76 97 0 186 1 amapchunkpl 152 114315 0 113449 78 38 40 48 0 158 1 amappl16 200 10095 0 9803 41 24 17 29 0 8 1 amappl15 192 9 0 9 1 1 0 1 0 8 0 amappl14 184 204 0 191 2 1 1 2 0 8 0 amappl13 176 20 0 20 2 2 0 1 0 8 0 amappl12 168 4159 0 4124 2 0 2 2 0 8 0 amappl11 160 50 0 40 1 0 1 1 0 8 0 amappl10 152 46 0 36 1 0 1 1 0 8 0 amappl9 144 210 0 209 1 0 1 1 0 8 0 amappl8 136 323 0 240 3 0 3 3 0 8 0 amappl7 128 84 0 72 1 0 1 1 0 8 0 amappl6 120 302 0 283 1 0 1 1 0 8 0 amappl5 112 266 0 256 1 0 1 1 0 8 0 amappl4 104 692 0 655 2 0 2 2 0 8 0 amappl3 96 22352 0 22262 7 4 3 4 0 8 0 amappl2 88 3808 0 3732 3 1 2 3 0 8 0 amappl1 80 20904 0 20380 22 10 12 22 0 8 0 amappl 88 35321 0 35078 7 0 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 72 136 0 6 3 0 3 3 0 8 0 uaddrrnd 24 3411 0 3376 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3411 0 3376 1 0 1 1 0 8 0 vmmpekpl 168 33530 0 33451 4 0 4 4 0 8 0 vmmpepl 168 224878 0 222522 156 45 111 123 0 357 2 vmsppl 464 3410 0 3376 7 2 5 6 0 8 0 rwobjpl 56 69891 0 62957 102 3 99 99 0 8 0 pdppl 4096 6830 0 6752 212 130 82 90 0 8 4 pvpl 32 1320086 0 1302540 345 186 159 335 0 265 9 pmappl 248 3410 0 3376 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1108 0 226 26 0 26 26 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff82c29ff0) 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 __mp_lock(ffffffff82d0ab00) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d0ab00) at __mp_lock+0x122 sys/kern/kern_lock.c:147 wakeup_n(ffffffff82d0a884,ffffffff) at wakeup_n+0x37 sys/kern/kern_synch.c:541 uvm_pmr_getpages(1,0,0,1,0,1,e0b11b99e7e3282,0) at uvm_pmr_getpages+0xeef sys/uvm/uvm_pmemrange.c:1207 uvm_pagealloc(fffffd8066cdea20,9000,0,3) at uvm_pagealloc+0x1a8 sys/uvm/uvm_page.c:910 pmap_get_ptp(fffffd8066cde9b0,4fbec315000) at pmap_get_ptp+0x18d sys/arch/amd64/amd64/pmap.c:1209 pmap_enter(fffffd8066cde9b0,4fbec315000,5c10f000,4,20) at pmap_enter+0x2be sys/arch/amd64/amd64/pmap.c:2716 uvm_fault_lower_lookup(ffff80002e4216e0,ffff80002e421718,ffff80002e421660) at uvm_fault_lower_lookup+0x2a4 sys/uvm/uvm_fault.c:1192 uvm_fault_lower(ffff80002e4216e0,ffff80002e421718,ffff80002e421660,0) at uvm_fault_lower+0x63 sys/uvm/uvm_fault.c:1227 uvm_fault(fffffd806a0151f0,4fbec318000,0,4) at uvm_fault+0x238 upageflttrap(ffff80002e421860,4fbec318c9b) at upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002e421860) at usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x76c5385b0770, count: -15 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x1c: addq $0x8,%rsp ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(ffff8000212126d0,9,0) at witness_checkorder+0x10b7 witness_debugger sys/kern/subr_witness.c:2510 [inline] witness_checkorder(ffff8000212126d0,9,0) at witness_checkorder+0x10b7 sys/kern/subr_witness.c:1110 mtx_enter(ffff8000212126c0) at mtx_enter+0x3e sys/kern/kern_lock.c:265 single_thread_set(ffff8000212312b8,0,1) at single_thread_set+0x35a single_thread_wait sys/kern/kern_sig.c:2172 [inline] single_thread_set(ffff8000212312b8,0,1) at single_thread_set+0x35a sys/kern/kern_sig.c:2155 sigexit(ffff8000212312b8,6) at sigexit+0x90 sys/kern/kern_sig.c:1562 postsig(ffff8000212312b8,6,ffff80002e42f468) at postsig+0x4a9 sys/kern/kern_sig.c:1494 userret(ffff8000212312b8) at userret+0x16e sys/kern/kern_sig.c:1987 syscall(ffff80002e42f5a0) at syscall+0x4e7 mi_syscall_return sys/sys/syscall_mi.h:137 [inline] syscall(ffff80002e42f5a0) at syscall+0x4e7 sys/arch/amd64/amd64/trap.c:644 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x91a23f04cf0, count: -9