uvm_fault(0xffffffff836190a8, 0xffff800028072004, 0, 1) -> d kernel: page fault trap, code=0 Stopped at ffs_fragextend+0x1d7: movl 0x4(%r13),%r14d TID PID UID PRFLAGS PFLAGS CPU COMMAND *428506 41252 0 0x2 0x1 0K syz-executor ffs_fragextend(fffffd8077836560,2,3451c,1000,1800) at ffs_fragextend+0x1d7 ffs_cgread sys/ufs/ffs/ffs_alloc.c:856 [inline] ffs_fragextend(fffffd8077836560,2,3451c,1000,1800) at ffs_fragextend+0x1d7 sys/ufs/ffs/ffs_alloc.c:890 ffs_realloccg(fffffd8077836560,1,385d8,1000,1800,fffffd807f7d34e0,6de8b0280aea56c9,fffffd807bed5b70) at ffs_realloccg+0x549 sys/ufs/ffs/ffs_alloc.c:225 ffs2_balloc(fffffd8077836560,4ff9,58,fffffd807f7d34e0,1,ffff80002a086718) at ffs2_balloc+0x547 sys/ufs/ffs/ffs_balloc.c:516 ffs_write(ffff80002a0867a0) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd806c62f960,ffff80002a086858,3,fffffd807f7d34e0) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff800033582cd8,fffffd806c62f960,fffffd807f7d34e0,ffff80002a086920,ffff80002a086900) at ktrwriteraw+0x1bc sys/kern/kern_ktrace.c:682 ktrsyscall(ffff800033582cd8,5b,10,ffff80002a086ab0) at ktrsyscall+0x31d sys/kern/kern_ktrace.c:182 syscall(ffff80002a086ab0) at syscall+0x2eb mi_syscall sys/sys/syscall_mi.h:157 [inline] syscall(ffff80002a086ab0) at syscall+0x2eb sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x73d3495347a0, count: 6 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(0xffffffff836190a8, 0xffff800028072004, 0, 1) -> d ddb{0}> trace ffs_fragextend(fffffd8077836560,2,3451c,1000,1800) at ffs_fragextend+0x1d7 ffs_cgread sys/ufs/ffs/ffs_alloc.c:856 [inline] ffs_fragextend(fffffd8077836560,2,3451c,1000,1800) at ffs_fragextend+0x1d7 sys/ufs/ffs/ffs_alloc.c:890 ffs_realloccg(fffffd8077836560,1,385d8,1000,1800,fffffd807f7d34e0,6de8b0280aea56c9,fffffd807bed5b70) at ffs_realloccg+0x549 sys/ufs/ffs/ffs_alloc.c:225 ffs2_balloc(fffffd8077836560,4ff9,58,fffffd807f7d34e0,1,ffff80002a086718) at ffs2_balloc+0x547 sys/ufs/ffs/ffs_balloc.c:516 ffs_write(ffff80002a0867a0) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd806c62f960,ffff80002a086858,3,fffffd807f7d34e0) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff800033582cd8,fffffd806c62f960,fffffd807f7d34e0,ffff80002a086920,ffff80002a086900) at ktrwriteraw+0x1bc sys/kern/kern_ktrace.c:682 ktrsyscall(ffff800033582cd8,5b,10,ffff80002a086ab0) at ktrsyscall+0x31d sys/kern/kern_ktrace.c:182 syscall(ffff80002a086ab0) at syscall+0x2eb mi_syscall sys/sys/syscall_mi.h:157 [inline] syscall(ffff80002a086ab0) at syscall+0x2eb sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x73d3495347a0, count: -9 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80002a086450 rbx 0xffff800000a5f000 rdx 0 rcx 0xffff800033582cd8 rax 0xffffffff83466ff0 cpu_info_full_primary+0x1ff0 r8 0xffffffffffffffff r9 0xfffffd807f7d34e0 r10 0xffff80002a086608 r11 0xaac3681fe70b3c8 r12 0xfffffd806bf2cb18 r13 0xffff800028072000 r14 0 r15 0x3 rip 0xffffffff82c23467 ffs_fragextend+0x1d7 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a086370 ss 0x10 ffs_fragextend+0x1d7: movl 0x4(%r13),%r14d ddb{0}> show proc PROC (syz-executor) tid=428506 pid=41252 tcnt=1 stat=onproc flags process=2 proc=1 runpri=32, usrpri=83, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800033583980,0xffff8000ffffdbf8 process=0xffff800030170930 user=0xffff80002a081000, vmspace=0xfffffd806c030dc0 estcpu=33, cpticks=1, pctcpu=0.4, user=0, sys=19, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 91085 196028 92541 0 2 0 syz-executor 91085 24896 92541 0 2 0x4000000 syz-executor 5495 314382 9256 0 2 0 syz-executor 5495 518706 9256 0 3 0x4000080 fsleep syz-executor 81418 385218 33920 0 2 0x10 syz-executor 81418 503469 33920 0 2 0x4000010 syz-executor 81418 64175 33920 0 3 0x4000090 fsleep syz-executor 65880 5556 41252 0 2 0x10 syz-executor 65880 388866 41252 0 3 0x4000090 ttyin syz-executor 65880 118899 41252 0 3 0x4000090 fsleep syz-executor 86812 57155 79608 0 2 0 syz-executor 86812 125698 79608 0 3 0x4000080 kqsel syz-executor 86812 239170 79608 0 3 0x4000080 fsleep syz-executor 86812 478169 79608 0 3 0x4000080 fsleep syz-executor 79608 440805 41169 0 3 0x82 nanoslp syz-executor *41252 428506 41169 0 7 0x3 syz-executor 92541 287423 41169 0 3 0x82 nanoslp syz-executor 5143 264020 41169 0 3 0x82 wait syz-executor 9256 85655 41169 0 2 0x482 syz-executor 33920 164702 41169 0 3 0x82 nanoslp syz-executor 13708 116090 0 0 3 0x14200 bored sosplice 41169 44879 78191 0 3 0x82 wait syz-executor 78191 261637 75153 0 3 0x10008a sigsusp ksh 75153 329431 13087 0 3 0x98 kqread sshd-session 13087 431948 23208 0 3 0x92 kqread sshd-session 33565 298551 1 0 3 0x100083 ttyopn getty 23208 136901 1 0 3 0x88 kqread sshd 19350 487651 93384 74 3 0x1100092 bpf pflogd 93384 94983 1 0 3 0x80 sbwait pflogd 1695 210503 38530 73 3 0x1100090 kqread syslogd 38530 395394 1 0 3 0x100082 sbwait syslogd 92543 176222 1 0 3 0x100080 kqread resolvd 39569 91579 2480 77 3 0x100092 kqread dhcpleased 16781 331959 2480 77 3 0x100092 kqread dhcpleased 2480 208396 1 0 3 0x80 kqread dhcpleased 70269 49684 0 0 3 0x14200 bored smr 44515 104737 0 0 2 0x14200 zerothread 55473 177330 0 0 3 0x14200 aiodoned aiodoned 61274 322551 0 0 3 0x14200 syncer update 26850 261397 0 0 3 0x14200 cleaner cleaner 21598 336599 0 0 3 0x14200 reaper reaper 57193 341654 0 0 3 0x14200 pgdaemon pagedaemon 5545 315638 0 0 3 0x14200 bored viomb 74263 105487 0 0 3 0x40014200 acpi0 acpi0 83560 245498 0 0 7 0x40014200 idle1 12690 323533 0 0 3 0x14200 bored softnet3 17127 364098 0 0 3 0x14200 bored softnet2 16777 200434 0 0 3 0x14200 bored softnet1 41267 29663 0 0 3 0x14200 bored softnet0 47214 419203 0 0 3 0x14200 bored systqmp 61963 115611 0 0 3 0x14200 bored systq 46186 478433 0 0 3 0x14200 tmoslp softclockmp 95879 26118 0 0 3 0x40014200 tmoslp softclock 46836 404410 0 0 3 0x40014200 idle0 1 189638 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 65880 (syz-executor) thread 0xffff800035d9cf58 (388866) exclusive rrwlock inode r = 0 (0xfffffd806deecc58) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 spec_open+0x302 sys/kern/spec_vnops.c:151 #6 VOP_OPEN+0x8b sys/kern/vfs_vops.c:138 #7 vn_open+0x708 sys/kern/vfs_vnops.c:177 #8 vndioctl+0xcb1 sys/dev/vnd.c:457 #9 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #10 vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 #11 sys_ioctl+0x67c #12 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #12 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 Process 41252 (syz-executor) thread 0xffff800033582cd8 (428506) exclusive rrwlock inode r = 0 (0xfffffd80778365f8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vget+0x2bd sys/kern/vfs_subr.c:676 #6 ktrwriteraw+0x172 sys/kern/kern_ktrace.c:679 #7 ktrsyscall+0x31d sys/kern/kern_ktrace.c:182 #8 syscall+0x2eb mi_syscall sys/sys/syscall_mi.h:157 [inline] #8 syscall+0x2eb sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8362f4e0) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 syscall+0x2cc mi_syscall sys/sys/syscall_mi.h:156 [inline] #1 syscall+0x2cc sys/arch/amd64/amd64/trap.c:577 #2 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10199 10111K 10426K 166960K 11944 0 pcb 17 12K 12K 166960K 143 0 rtable 190 8K 9K 166960K 674 0 pf 33 17K 21K 166960K 106 0 ifaddr 33 5K 8K 166960K 97 0 ifgroup 54 2K 2K 166960K 128 0 sysctl 2 0K 0K 166960K 2 0 counters 62 36K 36K 166960K 104 0 ioctlops 0 0K 4K 166960K 1577 0 iov 0 0K 12K 166960K 29 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1395 88K 88K 166960K 1927 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 10 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 24 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 16 57K 93K 166960K 852 0 sigio 0 0K 0K 166960K 14 0 proc 72 91K 128K 166960K 807 0 subproc 104 6K 6K 166960K 208 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 157 0 in_multi 66 4K 7K 166960K 212 0 ether_multi 1 0K 0K 166960K 2 0 mrt 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 566 0 pfkey data 0 0K 4K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 244 73K 92K 166960K 9178 0 UVM aobj 15 2K 2K 166960K 16 0 pinsyscall 41 82K 108K 166960K 2144 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 0K 166960K 43 0 NDP 11 0K 2K 166960K 68 0 temp 53 6818K 6886K 166960K 24432 0 kqueue 13 20K 30K 166960K 137 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 120 126 0 123 2 1 1 2 0 8 0 rtentry 112 218 0 136 4 0 4 4 0 8 0 unpcb 144 690 0 672 7 5 2 6 0 8 1 syncache 336 6 0 6 3 2 1 1 0 8 1 tcpqe 32 7 0 7 2 1 1 1 0 8 1 tcpcb 808 349 0 342 15 7 8 8 0 8 7 arp 120 36 0 24 1 0 1 1 0 8 0 inpcb 336 982 0 967 23 16 7 16 0 8 5 nd6 136 57 0 39 1 0 1 1 0 8 0 pkpcb 40 4 0 4 3 2 1 1 0 8 1 kcovpl 48 16 0 8 1 0 1 1 0 8 0 ppxss 1168 6 0 6 3 2 1 1 0 8 1 pffrag 232 5 0 0 1 0 1 1 0 482 0 pffrnode 88 5 0 0 1 0 1 1 0 8 0 pffrent 40 8 0 3 2 1 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 67 0 24 1 0 1 1 0 8 0 pfstkey 128 67 0 24 2 0 2 2 0 8 0 pfstate 376 67 0 24 6 0 6 6 0 8 0 pfrule 1344 25 0 19 2 0 2 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 822 0 494 29 1 28 29 0 8 2 art_table 32 824 0 494 4 0 4 4 0 8 0 art_node 16 214 0 139 1 0 1 1 0 8 0 sysvmsgpl 40 69 0 66 1 0 1 1 0 8 0 semapl 112 20 0 10 1 0 1 1 0 8 0 shmpl 112 13 0 1 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 2682 0 1171 96 0 96 96 0 8 0 ffsino 272 2682 0 1171 102 0 102 102 0 8 0 nchpl 144 3783 0 3238 64 31 33 64 0 8 8 uvmvnodes 80 3153 0 0 65 0 65 65 0 8 0 vnodes 216 3153 0 0 176 0 176 176 0 8 0 namei 1024 13011 0 13011 4 3 1 2 0 8 1 percpumem 16 66 0 21 1 0 1 1 0 8 0 kstatmem 264 64 0 42 2 0 2 2 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 6 0 6 1 1 0 1 0 8 0 scxspl 216 19984 0 19984 8 7 1 6 1 8 1 plimitpl 152 162 0 145 1 0 1 1 0 8 0 sigapl 424 1138 0 1089 8 2 6 7 0 8 0 futexpl 64 9737 0 9732 2 1 1 1 0 8 0 knotepl 120 343 0 0 10 0 10 10 0 8 0 kqueuepl 216 246 0 236 1 0 1 1 0 8 0 pipepl 320 194 0 166 3 0 3 3 0 8 0 fdescpl 496 1119 0 1089 6 1 5 5 0 8 0 filepl 152 6159 0 5905 27 14 13 25 0 8 1 lockfpl 104 263 0 261 2 1 1 2 0 8 0 lockfspl 48 88 0 86 1 0 1 1 0 8 0 sessionpl 144 33 0 24 1 0 1 1 0 8 0 pgrppl 48 64 0 47 1 0 1 1 0 8 0 ucredpl 104 801 0 783 1 0 1 1 0 8 0 zombiepl 144 1092 0 1089 1 0 1 1 0 8 0 processpl 1160 1138 0 1089 5 1 4 5 0 8 0 procpl 648 2166 0 2108 7 1 6 6 0 8 0 srpgc 96 12 0 12 2 1 1 1 0 8 1 sosppl 168 6 0 6 2 2 0 1 0 8 0 sockpl 664 1815 0 1779 36 27 9 20 0 8 5 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 231 0 0 29 0 29 29 0 8 0 mtagpl 96 9 0 0 1 0 1 1 0 8 0 mbufpl 256 974 0 0 59 0 59 59 0 8 0 bufpl 280 6702 0 528 442 0 442 442 0 8 0 anonpl 24 244557 0 240108 86 30 56 62 0 185 17 amapchunkpl 152 31343 0 30780 47 15 32 37 0 158 7 amappl16 200 5606 0 5574 19 15 4 15 0 8 0 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 139 0 127 1 0 1 1 0 8 0 amappl13 176 9 0 9 1 1 0 1 0 8 0 amappl12 168 1889 0 1859 3 1 2 2 0 8 0 amappl11 160 60 0 46 1 0 1 1 0 8 0 amappl10 152 12 0 12 2 2 0 1 0 8 0 amappl9 144 147 0 147 1 1 0 1 0 8 0 amappl8 136 32 0 29 1 0 1 1 0 8 0 amappl7 128 127 0 115 1 0 1 1 0 8 0 amappl6 120 248 0 246 1 0 1 1 0 8 0 amappl5 112 169 0 157 1 0 1 1 0 8 0 amappl4 104 346 0 324 1 0 1 1 0 8 0 amappl3 96 6018 0 5905 6 2 4 4 0 8 0 amappl2 88 810 0 743 2 0 2 2 0 8 0 amappl1 80 10761 0 10192 16 2 14 14 0 8 0 amappl 88 8655 0 8473 5 0 5 5 0 92 0 dma8192 8192 1 0 1 1 1 0 1 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 128 253 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 15 0 1 1 0 1 1 0 8 0 uaddrrnd 24 1119 0 1089 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1119 0 1089 1 0 1 1 0 8 0 vmmpekpl 168 10275 0 10222 3 0 3 3 0 8 0 vmmpepl 168 77061 0 75211 107 15 92 96 0 357 4 vmsppl 440 1118 0 1089 6 2 4 5 0 8 0 rwobjpl 56 27727 0 23605 60 1 59 59 0 8 0 pdppl 4096 2245 0 2178 115 44 71 85 0 8 4 pvpl 32 29269 0 0 238 2 236 236 0 265 0 pmappl 248 1118 0 1089 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 491 0 78 12 0 12 12 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace ffs_fragextend(fffffd8077836560,2,3451c,1000,1800) at ffs_fragextend+0x1d7 ffs_cgread sys/ufs/ffs/ffs_alloc.c:856 [inline] ffs_fragextend(fffffd8077836560,2,3451c,1000,1800) at ffs_fragextend+0x1d7 sys/ufs/ffs/ffs_alloc.c:890 ffs_realloccg(fffffd8077836560,1,385d8,1000,1800,fffffd807f7d34e0,6de8b0280aea56c9,fffffd807bed5b70) at ffs_realloccg+0x549 sys/ufs/ffs/ffs_alloc.c:225 ffs2_balloc(fffffd8077836560,4ff9,58,fffffd807f7d34e0,1,ffff80002a086718) at ffs2_balloc+0x547 sys/ufs/ffs/ffs_balloc.c:516 ffs_write(ffff80002a0867a0) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd806c62f960,ffff80002a086858,3,fffffd807f7d34e0) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff800033582cd8,fffffd806c62f960,fffffd807f7d34e0,ffff80002a086920,ffff80002a086900) at ktrwriteraw+0x1bc sys/kern/kern_ktrace.c:682 ktrsyscall(ffff800033582cd8,5b,10,ffff80002a086ab0) at ktrsyscall+0x31d sys/kern/kern_ktrace.c:182 syscall(ffff80002a086ab0) at syscall+0x2eb mi_syscall sys/sys/syscall_mi.h:157 [inline] syscall(ffff80002a086ab0) at syscall+0x2eb sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x73d3495347a0, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu.c:1219 sched_idle(ffff800029b7bff0) at sched_idle+0x558 sys/kern/kern_sched.c:182 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu.c:1219 sched_idle(ffff800029b7bff0) at sched_idle+0x558 sys/kern/kern_sched.c:182 end trace frame: 0x0, count: -5