panic: kernel diagnostic assertion "uvm_page_owner_locked_p(pg, TRUE)" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 1248 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *324969 21181 0 0x14000 0x200 0 reaper db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83158697) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8310a60a,ffffffff830a8a0a,4e0,ffffffff8308513d) at __assert+0x29 uvm_pageunwire(fffffd80043fabc0) at uvm_pageunwire+0x1dd sys/uvm/uvm_page.c:1248 uvm_fault_unwire_locked(fffffd806bdc0020,3286e56b000,3286e56c000) at uvm_fault_unwire_locked+0x33c sys/uvm/uvm_fault.c:1774 uvm_unmap_kill_entry_withlock(fffffd806bdc0020,fffffd805dbd26e8,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1860 uvm_map_teardown(fffffd806bdc0020) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2496 uvmspace_free(fffffd806bdc0020) at uvmspace_free+0xcd sys/uvm/uvm_map.c:3420 reaper(ffff8000ffffd448) at reaper+0x246 sys/kern/kern_exit.c:477 end trace frame: 0x0, 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: kernel diagnostic assertion "uvm_page_owner_locked_p(pg, TRUE)" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 1248 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83158697) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8310a60a,ffffffff830a8a0a,4e0,ffffffff8308513d) at __assert+0x29 uvm_pageunwire(fffffd80043fabc0) at uvm_pageunwire+0x1dd sys/uvm/uvm_page.c:1248 uvm_fault_unwire_locked(fffffd806bdc0020,3286e56b000,3286e56c000) at uvm_fault_unwire_locked+0x33c sys/uvm/uvm_fault.c:1774 uvm_unmap_kill_entry_withlock(fffffd806bdc0020,fffffd805dbd26e8,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1860 uvm_map_teardown(fffffd806bdc0020) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2496 uvmspace_free(fffffd806bdc0020) at uvmspace_free+0xcd sys/uvm/uvm_map.c:3420 reaper(ffff8000ffffd448) at reaper+0x246 sys/kern/kern_exit.c:477 end trace frame: 0x0, count: -9 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a3c2070 rbx 0xffffffff834d1dc7 cpu_info_full_primary+0x2dc7 rdx 0 rcx 0xffff8000ffffd448 rax 0xffffffff834d0ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xd4b300acc5f858d0 r11 0x931a0cc392b51bf8 r12 0xffffffff834d1bc8 cpu_info_full_primary+0x2bc8 r13 0 r14 0 r15 0x1 rip 0xffffffff8176dda5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a3c2060 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (reaper) tid=324969 pid=21181 tcnt=1 stat=onproc flags process=14000 proc=200 runpri=86, usrpri=86, slppri=4, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffffd6d0,0xffff8000ffffd1d0 process=0xffff80002a3c66c8 user=0xffff80002a3bd000, vmspace=0xffffffff8367ddd8 estcpu=36, cpticks=13, pctcpu=15.95, user=0, sys=3122, intr=4 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 53338 201875 21530 0 2 0x482 syz-executor 80086 220239 0 0 3 0x14200 acct acct 90168 4454 16681 0 3 0x82 sbwait sshd-session 86611 255969 0 0 3 0x14280 nfsidl nfsio 97611 21701 0 0 3 0x14280 nfsidl nfsio 18409 66468 0 0 3 0x14280 nfsidl nfsio 24319 348469 0 0 3 0x14280 nfsidl nfsio 75667 150814 0 0 3 0x14280 nfsidl nfsio 68039 288019 0 0 3 0x14280 nfsidl nfsio 77081 231311 0 0 3 0x14280 nfsidl nfsio 10657 504534 0 0 3 0x14280 nfsidl nfsio 61316 519044 0 0 3 0x14280 nfsidl nfsio 45703 58666 0 0 3 0x14280 nfsidl nfsio 53175 450501 0 0 3 0x14280 nfsidl nfsio 22965 167536 0 0 3 0x14280 nfsidl nfsio 16026 519182 0 0 3 0x14280 nfsidl nfsio 78644 96574 0 0 3 0x14280 nfsidl nfsio 74344 472256 0 0 3 0x14280 nfsidl nfsio 26505 449666 0 0 3 0x14280 nfsidl nfsio 95118 242473 0 0 3 0x14280 nfsidl nfsio 14725 406411 0 0 3 0x14280 nfsidl nfsio 88549 446429 0 0 3 0x14280 nfsidl nfsio 6878 174700 0 0 3 0x14280 nfsidl nfsio 59711 482738 1 0 3 0x100083 ttyin getty 86565 83676 0 0 3 0x14200 bored sosplice 38063 496017 21530 0 3 0x82 wait syz-executor 21378 33759 21530 0 3 0x82 wait syz-executor 56413 17514 21530 0 3 0x82 wait syz-executor 51143 170468 21530 0 3 0x82 wait syz-executor 38728 386692 21530 0 3 0x82 wait syz-executor 74641 521660 21530 0 3 0x82 wait syz-executor 21530 336793 63964 0 3 0x82 wait syz-executor 63964 220944 85390 0 3 0x10008a sigsusp ksh 85390 472363 77053 0 3 0x98 kqread sshd-session 77053 313224 16681 0 3 0x92 kqread sshd-session 16681 484688 1 0 3 0x88 kqread sshd 34042 213488 75140 74 3 0x1100092 bpf pflogd 75140 465711 1 0 3 0x80 sbwait pflogd 67041 20561 95738 73 2 0x1100010 syslogd 95738 137684 1 0 3 0x100082 sbwait syslogd 6515 104316 1 0 3 0x100080 kqread resolvd 50349 374496 20087 77 3 0x100092 kqread dhcpleased 27145 281838 20087 77 3 0x100092 kqread dhcpleased 20087 99352 1 0 3 0x80 kqread dhcpleased 54873 474309 0 0 3 0x14200 bored smr 40029 129505 0 0 2 0x14200 zerothread 84658 333566 0 0 3 0x14200 aiodoned aiodoned 46662 479806 0 0 3 0x14200 syncer update 24543 202115 0 0 3 0x14200 cleaner cleaner *21181 324969 0 0 7 0x14200 reaper 85533 62131 0 0 3 0x14200 pgdaemon pagedaemon 91154 280978 0 0 3 0x14200 bored viomb 64829 231447 0 0 3 0x40014200 acpi0 acpi0 99457 389366 0 0 7 0x40014200 idle1 88925 208872 0 0 3 0x14200 bored softnet3 91555 400337 0 0 3 0x14200 bored softnet2 78035 286291 0 0 3 0x14200 bored softnet1 76780 289890 0 0 3 0x14200 bored softnet0 25264 51656 0 0 3 0x14200 bored systqmp 54460 516871 0 0 3 0x14200 bored systq 65410 503869 0 0 3 0x14200 tmoslp softclockmp 15040 410187 0 0 2 0x40014200 softclock 16946 296559 0 0 3 0x40014200 idle0 1 449349 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &uvm.pageqlock r = 0 (0xffffffff8357c0a0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 uvm_fault_unwire_locked+0x32b sys/uvm/uvm_fault.c:1773 #4 uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1860 #5 uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2496 #6 uvmspace_free+0xcd sys/uvm/uvm_map.c:3420 #7 reaper+0x246 sys/kern/kern_exit.c:477 #8 proc_trampoline+0x10 Process 67041 (syslogd) thread 0xffff8000ffffb960 (20561) exclusive rrwlock inode r = 0 (0xfffffd806e335858) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #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 sys_fsync+0x152 sys/kern/vfs_syscalls.c:2929 #6 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 21181 (reaper) thread 0xffff8000ffffd448 (324969) exclusive rwlock uobjlk r = 0 (0xfffffd806bf2a998) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 uvm_fault_unwire_locked+0x253 sys/uvm/uvm_fault.c:1758 #3 uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1860 #4 uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2496 #5 uvmspace_free+0xcd sys/uvm/uvm_map.c:3420 #6 reaper+0x246 sys/kern/kern_exit.c:477 #7 proc_trampoline+0x10 exclusive rwlock vmmaplk r = 0 (0xfffffd806bdc0120) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5250 #3 uvm_map_teardown+0x5e sys/uvm/uvm_map.c:2464 #4 uvmspace_free+0xcd sys/uvm/uvm_map.c:3420 #5 reaper+0x246 sys/kern/kern_exit.c:477 #6 proc_trampoline+0x10 exclusive mutex &uvm.pageqlock r = 0 (0xffffffff8357c0a0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 uvm_fault_unwire_locked+0x32b sys/uvm/uvm_fault.c:1773 #4 uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1860 #5 uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2496 #6 uvmspace_free+0xcd sys/uvm/uvm_map.c:3420 #7 reaper+0x246 sys/kern/kern_exit.c:477 #8 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10192 11033K 11613K 166960K 12293 0 pcb 17 12K 12K 166960K 147 0 rtable 173 5K 6K 166960K 451 0 pf 30 16K 18K 166960K 58 0 ifaddr 34 5K 7K 166960K 57 0 ifgroup 47 2K 2K 166960K 71 0 sysctl 3 1K 1K 166960K 5 0 counters 60 35K 36K 166960K 74 0 ioctlops 0 0K 4K 166960K 1536 0 iov 0 0K 24K 166960K 40 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1362 86K 86K 166960K 1848 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 16 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 31 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 9 29K 85K 166960K 852 0 sigio 0 0K 0K 166960K 10 0 proc 72 91K 115K 166960K 626 0 subproc 63 3K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 103 0 in_multi 73 5K 7K 166960K 139 0 ether_multi 1 0K 0K 166960K 5 0 mrt 1 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 61 281K 281K 166960K 61 0 exec 0 0K 1K 166960K 481 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 240 75K 78K 166960K 9456 0 UVM aobj 29 8K 8K 166960K 31 0 pinsyscall 36 72K 101K 166960K 2005 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 37 0 NDP 10 0K 2K 166960K 36 0 temp 54 6894K 7149K 166960K 27576 0 kqueue 13 20K 28K 166960K 159 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 87 0 84 1 0 1 1 0 8 0 rtentry 112 142 0 64 4 0 4 4 0 8 0 unpcb 144 730 0 713 6 4 2 6 0 8 1 syncache 336 12 0 12 1 1 0 1 0 8 0 tcpcb 808 255 0 249 5 4 1 5 0 8 0 arp 120 26 0 10 1 0 1 1 0 8 0 ipq 40 1 0 1 1 1 0 1 0 8 0 ipqe 40 3 0 3 1 1 0 1 0 8 0 inpcb 376 888 0 878 9 5 4 9 0 8 2 nd6 136 29 0 11 1 0 1 1 0 8 0 pkpcb 40 8 0 8 1 1 0 1 0 8 0 kcovpl 48 9 0 2 1 0 1 1 0 8 0 ppxss 1168 2 0 2 1 1 0 1 0 8 0 pffrag 232 9 0 3 1 0 1 1 0 482 0 pffrnode 88 8 0 2 1 0 1 1 0 8 0 pffrent 40 102 0 96 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 57 0 26 1 0 1 1 0 8 0 pfstkey 128 57 0 26 2 0 2 2 0 8 0 pfstate 376 57 0 26 6 0 6 6 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 569 0 224 29 2 27 29 0 8 1 art_table 32 571 0 224 4 0 4 4 0 8 0 art_node 16 139 0 69 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 3 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 28 0 18 1 0 1 1 0 8 0 shmpl 112 28 0 2 1 0 1 1 0 8 0 dirhash 1024 26 0 9 3 0 3 3 0 8 0 dino2pl 256 2755 0 1253 95 0 95 95 0 8 0 ffsino 280 2755 0 1253 109 0 109 109 0 8 0 nchpl 144 3921 0 2231 63 0 63 63 0 8 0 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 13521 0 13521 2 1 1 2 0 8 1 percpumem 16 51 0 7 1 0 1 1 0 8 0 kstatmem 264 34 0 14 2 0 2 2 0 8 0 scsiplug 72 6 0 6 1 1 0 1 0 8 0 scxspl 216 11773 0 11773 10 6 4 8 1 8 4 plimitpl 152 142 0 123 1 0 1 1 0 8 0 sigapl 424 1181 0 1108 9 0 9 9 0 8 0 futexpl 64 10741 0 10741 2 1 1 1 0 8 1 knotepl 120 316 0 0 10 0 10 10 0 8 0 kqueuepl 216 275 0 266 5 4 1 5 0 8 0 pipepl 328 183 0 155 3 0 3 3 0 8 0 fdescpl 504 1140 0 1116 5 0 5 5 0 8 0 filepl 152 6788 0 6588 17 4 13 17 0 8 3 lockfpl 104 194 0 192 1 0 1 1 0 8 0 lockfspl 48 87 0 85 1 0 1 1 0 8 0 sessionpl 144 33 0 23 1 0 1 1 0 8 0 pgrppl 48 53 0 35 1 0 1 1 0 8 0 ucredpl 104 1568 0 1554 1 0 1 1 0 8 0 zombiepl 144 1117 0 1108 1 0 1 1 0 8 0 processpl 1168 1181 0 1108 6 0 6 6 0 8 0 procpl 648 2301 0 2219 8 0 8 8 0 8 0 srpgc 96 6 0 6 2 1 1 1 0 8 1 sosppl 168 6 0 6 1 1 0 1 0 8 0 sockpl 688 1724 0 1695 21 13 8 21 0 8 4 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 4 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 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 113 0 0 15 1 14 15 0 8 0 mcl2k 2048 22 0 0 3 0 3 3 0 8 0 mtagpl 96 13 0 0 1 0 1 1 0 8 0 mbufpl 256 281 0 0 18 0 18 18 0 8 0 bufpl 280 7145 0 979 441 0 441 441 0 8 0 anonpl 24 172904 0 164514 51 0 51 51 0 185 0 amapchunkpl 152 30236 0 29451 31 0 31 31 0 158 0 amappl16 200 3010 0 2971 22 16 6 15 0 8 3 amappl15 192 10 0 10 2 2 0 1 0 8 0 amappl14 184 131 0 118 1 0 1 1 0 8 0 amappl13 176 37 0 37 1 1 0 1 0 8 0 amappl12 168 1804 0 1771 4 2 2 3 0 8 0 amappl11 160 53 0 39 1 0 1 1 0 8 0 amappl10 152 6 0 5 1 0 1 1 0 8 0 amappl9 144 255 0 255 1 1 0 1 0 8 0 amappl8 136 27 0 24 1 0 1 1 0 8 0 amappl7 128 117 0 104 1 0 1 1 0 8 0 amappl6 120 191 0 187 1 0 1 1 0 8 0 amappl5 112 136 0 126 1 0 1 1 0 8 0 amappl4 104 349 0 330 1 0 1 1 0 8 0 amappl3 96 6032 0 5907 4 0 4 4 0 8 0 amappl2 88 805 0 737 2 0 2 2 0 8 0 amappl1 80 12305 0 11646 17 2 15 16 0 8 0 amappl 88 8982 0 8803 5 0 5 5 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 128 254 0 254 2 2 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 8 0 8 2 2 0 1 0 8 0 dma16 16 21 0 20 1 0 1 1 0 8 0 aobjpl 72 30 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1140 0 1108 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1140 0 1108 1 0 1 1 0 8 0 vmmpekpl 168 11220 0 11166 3 0 3 3 0 8 0 vmmpepl 168 76438 0 74389 96 1 95 96 0 357 0 vmsppl 456 1139 0 1107 5 0 5 5 0 8 0 rwobjpl 64 26180 0 21951 69 0 69 69 0 8 0 pdppl 4096 2287 0 2214 107 34 73 83 0 8 0 pvpl 32 29636 0 0 239 0 239 239 0 265 0 pmappl 248 1139 0 1107 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 298 0 46 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83158697) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8310a60a,ffffffff830a8a0a,4e0,ffffffff8308513d) at __assert+0x29 uvm_pageunwire(fffffd80043fabc0) at uvm_pageunwire+0x1dd sys/uvm/uvm_page.c:1248 uvm_fault_unwire_locked(fffffd806bdc0020,3286e56b000,3286e56c000) at uvm_fault_unwire_locked+0x33c sys/uvm/uvm_fault.c:1774 uvm_unmap_kill_entry_withlock(fffffd806bdc0020,fffffd805dbd26e8,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1860 uvm_map_teardown(fffffd806bdc0020) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2496 uvmspace_free(fffffd806bdc0020) at uvmspace_free+0xcd sys/uvm/uvm_map.c:3420 reaper(ffff8000ffffd448) at reaper+0x246 sys/kern/kern_exit.c:477 end trace frame: 0x0, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029b5bff0) 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:1218 sched_idle(ffff800029b5bff0) at sched_idle+0x558 sys/kern/kern_sched.c:182 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800029b5bff0) 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:1218 sched_idle(ffff800029b5bff0) at sched_idle+0x558 sys/kern/kern_sched.c:182 end trace frame: 0x0, count: -5