panic: uao_find_swhash_elt: can't allocate entry Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *303334 25072 0 0x14000 0x200 0K pagedaemon db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83324f51) at panic+0x1e5 sys/kern/subr_prf.c:198 uao_set_swslot(fffffd80704c5a68,d7df0,66eb) at uao_set_swslot+0x443 uvmpd_scan_inactive(0,9170) at uvmpd_scan_inactive+0x1035 sys/uvm/uvm_pdaemon.c:728 uvmpd_scan(0,9170,1974) at uvmpd_scan+0x87 sys/uvm/uvm_pdaemon.c:925 uvm_pageout(ffff8000fffff4c0) at uvm_pageout+0x4fc sys/uvm/uvm_pdaemon.c:305 end trace frame: 0x0, count: 9 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: uao_find_swhash_elt: can't allocate entry ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83324f51) at panic+0x1e5 sys/kern/subr_prf.c:198 uao_set_swslot(fffffd80704c5a68,d7df0,66eb) at uao_set_swslot+0x443 uvmpd_scan_inactive(0,9170) at uvmpd_scan_inactive+0x1035 sys/uvm/uvm_pdaemon.c:728 uvmpd_scan(0,9170,1974) at uvmpd_scan+0x87 sys/uvm/uvm_pdaemon.c:925 uvm_pageout(ffff8000fffff4c0) at uvm_pageout+0x4fc sys/uvm/uvm_pdaemon.c:305 end trace frame: 0x0, count: -6 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a23dbb0 rbx 0xffffffff837a8e07 cpu_info_full_primary+0x2e07 rdx 0 rcx 0xffff8000fffff4c0 rax 0xffffffff837a7ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xefd52b655b6b24b8 r11 0x15fef9ba0c8a1a12 r12 0xffffffff837a8c08 cpu_info_full_primary+0x2c08 r13 0 r14 0 r15 0x1 rip 0xffffffff8211e2e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a23dba0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (pagedaemon) tid=303334 pid=25072 tcnt=1 stat=onproc flags process=14000 proc=200 runpri=4, usrpri=86, slppri=4, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffffea60,0xffff8000ffffda08 process=0xffff8000ffffb4f0 user=0xffff80002a239000, vmspace=0xffffffff838a6cd8 estcpu=36, cpticks=392, pctcpu=3.22, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 19341 477079 74940 0 3 0x2 flt_noram3 syz-executor 7051 91887 74940 0 3 0x2 uvm_pmr_getp syz-executor 86251 163768 1 -1 4 0x82010 syz-executor 86251 215175 1 -1 3 0x4082010 uao_getpage syz-executor 86251 312699 1 -1 3 0x4002010 suspend syz-executor 83204 111378 0 0 3 0x14200 acct acct 10440 520490 0 0 3 0x14280 nfsidl nfsio 15627 29678 0 0 3 0x14280 nfsidl nfsio 70653 151590 0 0 3 0x14280 nfsidl nfsio 36441 458194 0 0 3 0x14280 nfsidl nfsio 8272 121961 0 0 3 0x14280 nfsidl nfsio 9676 454753 0 0 3 0x14280 nfsidl nfsio 66091 323968 0 0 3 0x14280 nfsidl nfsio 63423 366126 0 0 3 0x14280 nfsidl nfsio 95045 468821 0 0 3 0x14280 nfsidl nfsio 572 372147 0 0 3 0x14280 nfsidl nfsio 33197 164923 0 0 3 0x14280 nfsidl nfsio 52884 202454 0 0 3 0x14280 nfsidl nfsio 20908 424184 0 0 3 0x14280 nfsidl nfsio 83709 283101 0 0 3 0x14280 nfsidl nfsio 69077 361961 0 0 3 0x14280 nfsidl nfsio 32564 418074 0 0 3 0x14280 nfsidl nfsio 62009 154605 0 0 3 0x14280 nfsidl nfsio 30466 165912 0 0 3 0x14280 nfsidl nfsio 8731 424111 0 0 3 0x14280 nfsidl nfsio 70374 444234 0 0 3 0x14280 nfsidl nfsio 34465 214738 74940 0 3 0x82 piperd syz-executor 85357 77307 74940 0 3 0x82 piperd syz-executor 77730 185150 74940 0 3 0x2 uvm_pmr_getp syz-executor 72766 372149 74940 0 3 0x2 uvm_pmr_getp syz-executor 27860 263697 74940 0 3 0x2 uvm_pmr_getp syz-executor 29521 454771 74940 0 3 0x82 piperd syz-executor 74940 118305 54341 0 3 0x2 flt_noram1 syz-executor 54341 442664 58741 0 3 0x10008a sigsusp ksh 58741 244726 67247 0 3 0x98 kqread sshd-session 67247 50706 23993 0 3 0x92 kqread sshd-session 33558 156902 1 0 3 0x100083 ttyopn getty 23993 52943 1 0 3 0x88 kqread sshd 89219 314560 54546 74 3 0x1100092 bpf pflogd 54546 308940 1 0 3 0x80 sbwait pflogd 74032 325838 38231 73 3 0x1100090 kqread syslogd 38231 120030 1 0 3 0x100082 sbwait syslogd 82174 253741 1 0 3 0x100080 kqread resolvd 65302 106595 71008 77 3 0x100092 kqread dhcpleased 27540 502597 71008 77 3 0x100092 kqread dhcpleased 71008 141049 1 0 3 0x80 kqread dhcpleased 83423 374946 0 0 3 0x14200 bored smr 67766 254888 0 0 3 0x14200 pgzero zerothread 20516 298024 0 0 3 0x14200 aiodoned aiodoned 74226 217022 0 0 3 0x14200 syncer update 11321 409095 0 0 3 0x14200 cleaner cleaner 39644 74642 0 0 3 0x14200 reaper reaper *25072 303334 0 0 7 0x14200 pagedaemon 57037 189053 0 0 3 0x14200 bored viomb 93064 310703 0 0 3 0x40014200 acpi0 acpi0 25084 281252 0 0 7 0x40014200 idle1 91150 390324 0 0 3 0x14200 bored softnet1 87175 461805 0 0 3 0x14200 bored softnet0 76317 260675 0 0 3 0x14200 bored systqmp 48813 77309 0 0 3 0x14200 bored systq 89119 155267 0 0 3 0x14200 tmoslp softclockmp 73041 403451 0 0 3 0x40014200 tmoslp softclock 22126 80995 0 0 3 0x40014200 idle0 1 285984 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &uvm.pageqlock r = 0 (0xffffffff839274d0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #3 uvmpd_scan_inactive+0x43e sys/uvm/uvm_pdaemon.c:810 #4 uvmpd_scan+0x87 sys/uvm/uvm_pdaemon.c:925 #5 uvm_pageout+0x4fc sys/uvm/uvm_pdaemon.c:305 #6 proc_trampoline+0x10 Process 7051 (syz-executor) thread 0xffff8000fffee548 (91887) exclusive rrwlock inode r = 0 (0xfffffd800f7c87d0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 sys_getdents+0x254 sys/kern/vfs_syscalls.c:3168 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 #7 Xsyscall+0x128 Process 77730 (syz-executor) thread 0xffff8000fffefa08 (185150) exclusive rrwlock inode r = 0 (0xfffffd806dd6ba00) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 sys_getdents+0x254 sys/kern/vfs_syscalls.c:3168 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 #7 Xsyscall+0x128 Process 72766 (syz-executor) thread 0xffff8000ffffc008 (372149) exclusive rrwlock inode r = 0 (0xfffffd80790db900) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 sys_getdents+0x254 sys/kern/vfs_syscalls.c:3168 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 #7 Xsyscall+0x128 Process 27860 (syz-executor) thread 0xffff8000ffffcd00 (263697) exclusive rrwlock inode r = 0 (0xfffffd806e8ecc30) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 sys_getdents+0x254 sys/kern/vfs_syscalls.c:3168 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 #7 Xsyscall+0x128 Process 25072 (pagedaemon) thread 0xffff8000fffff4c0 (303334) exclusive rwlock uobjlk r = 0 (0xfffffd806cb0c248) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 uvmpd_scan_inactive+0x69b uvmpd_trylockowner sys/uvm/uvm_pdaemon.c:410 [inline] #2 uvmpd_scan_inactive+0x69b sys/uvm/uvm_pdaemon.c:585 #3 uvmpd_scan+0x87 sys/uvm/uvm_pdaemon.c:925 #4 uvm_pageout+0x4fc sys/uvm/uvm_pdaemon.c:305 #5 proc_trampoline+0x10 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838fe4c0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 sleep_finish+0x2d8 sys/kern/kern_synch.c:367 #3 msleep_nsec+0x132 sys/kern/kern_synch.c:219 #4 uvm_swap_allocpages+0x150 sys/uvm/uvm_swap.c:350 #5 uvm_swap_io+0x4d4 sys/uvm/uvm_swap.c:1784 #6 uvm_pager_put+0xff sys/uvm/uvm_pager.c:530 #7 uvmpd_scan_inactive+0x3e9 sys/uvm/uvm_pdaemon.c:790 #8 uvmpd_scan+0x87 sys/uvm/uvm_pdaemon.c:925 #9 uvm_pageout+0x4fc sys/uvm/uvm_pdaemon.c:305 #10 proc_trampoline+0x10 exclusive mutex &uvm.pageqlock r = 0 (0xffffffff839274d0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #3 uvmpd_scan_inactive+0x43e sys/uvm/uvm_pdaemon.c:810 #4 uvmpd_scan+0x87 sys/uvm/uvm_pdaemon.c:925 #5 uvm_pageout+0x4fc sys/uvm/uvm_pdaemon.c:305 #6 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10203 11028K 12337K 166960K 12273 0 pcb 17 14K 16K 166960K 162 0 rtable 180 8K 10K 166960K 471 0 pf 33 17K 19K 166960K 90 0 ifaddr 33 5K 8K 166960K 74 0 ifgroup 51 2K 2K 166960K 107 0 sysctl 1 1K 9K 166960K 5 0 counters 66 36K 38K 166960K 132 0 ioctlops 0 0K 4K 166960K 1625 0 iov 1 2K 16K 166960K 18 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1440 91K 91K 166960K 1888 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 11 34K 93K 166960K 594 0 sigio 0 0K 0K 166960K 16 0 proc 72 115K 147K 166960K 604 0 subproc 72 4K 5K 166960K 117 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 52 0 in_multi 66 4K 7K 166960K 130 0 ether_multi 1 0K 0K 166960K 5 0 mrt 0 0K 0K 166960K 4 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 426 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 188 150K 182K 166960K 6990 0 UVM aobj 15 4K 4K 166960K 15 0 pinsyscall 36 72K 106K 166960K 1776 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 77 0 NDP 11 0K 2K 166960K 47 0 temp 47 8925K 8929K 166960K 28223 0 kqueue 13 20K 30K 166960K 101 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 71 0 68 1 0 1 1 0 8 0 rtentry 176 136 0 68 5 0 5 5 0 8 0 unpcb 144 344 0 327 4 3 1 4 0 8 0 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 736 111 0 107 1 0 1 1 0 8 0 arp 136 23 0 10 1 0 1 1 0 8 0 inpcb 328 608 0 601 9 7 2 7 0 8 1 nd6 152 28 0 13 1 0 1 1 0 8 0 pkpcb 40 66 0 66 1 1 0 1 0 8 0 kcovpl 48 13 0 5 1 0 1 1 0 8 0 ppxss 1192 25 0 25 1 1 0 1 0 8 0 pppxif 1504 4 0 4 2 2 0 1 0 8 0 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pffrag 232 8 0 3 1 0 1 1 0 482 0 pffrnode 88 8 0 3 1 0 1 1 0 8 0 pffrent 40 15 0 10 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 52 0 22 1 0 1 1 0 8 0 pfstkey 128 54 0 24 2 0 2 2 0 8 0 pfstate 448 53 0 23 6 0 6 6 0 8 0 pfrule 1344 23 0 18 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 608 0 325 31 10 21 31 0 8 1 art_table 40 610 0 325 5 0 5 5 0 8 0 art_node 32 136 0 76 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 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 11 0 0 1 0 1 1 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 2435 0 923 96 0 96 96 0 8 0 ffsino 296 2435 0 923 117 0 117 117 0 8 0 nchpl 144 3192 0 1492 64 0 64 64 0 8 0 rtmask 32 4 0 4 1 1 0 1 0 8 0 vnodes 216 2842 0 0 158 0 158 158 0 8 0 namei 1024 10404 0 10404 3 2 1 2 0 8 1 percpumem 16 81 0 33 1 0 1 1 0 8 0 vcpupl 3968 1 0 0 1 0 1 1 0 8 0 vmpool 840 1 0 0 1 0 1 1 0 8 0 kstatmem 264 62 0 36 3 0 3 3 0 8 0 scxspl 216 14636 0 14635 25 17 8 15 1 8 7 plimitpl 152 231 0 213 1 0 1 1 0 8 0 sigapl 424 922 0 860 9 1 8 8 0 8 0 knotepl 120 315 0 0 10 0 10 10 0 8 0 kqueuepl 224 186 0 177 3 2 1 3 0 8 0 pipepl 344 211 0 183 6 3 3 6 0 8 0 fdescpl 528 885 0 860 3 0 3 3 0 8 0 filepl 160 4693 0 4477 15 4 11 14 0 8 0 lockfpl 104 154 0 152 1 0 1 1 0 8 0 lockfspl 48 71 0 69 1 0 1 1 0 8 0 sessionpl 144 27 0 18 1 0 1 1 0 8 0 pgrppl 48 46 0 28 1 0 1 1 0 8 0 ucredpl 104 622 0 608 1 0 1 1 0 8 0 zombiepl 144 860 0 860 1 0 1 1 0 8 1 processpl 1232 922 0 860 6 0 6 6 0 8 0 procpl 664 1712 0 1648 8 0 8 8 0 8 0 sosppl 176 12 0 12 1 1 0 1 0 8 0 sockpl 752 1100 0 1073 10 6 4 10 0 8 1 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 125 0 0 16 0 16 16 0 8 0 mcl2k 2048 44 0 0 6 0 6 6 0 8 0 mtagpl 96 115 0 0 3 0 3 3 0 8 0 mbufpl 256 275 0 0 18 0 18 18 0 8 0 bufpl 280 13018 0 8885 314 10 304 314 0 8 8 anonpl 32 7420 0 0 60 0 60 60 0 246 0 amapchunkpl 152 23192 0 22891 40 16 24 33 0 158 3 amappl16 200 2457 0 2432 8 2 6 6 0 8 2 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 7 0 7 1 1 0 1 0 8 0 amappl13 176 445 0 444 1 0 1 1 0 8 0 amappl12 168 1266 0 1231 3 0 3 3 0 8 0 amappl11 160 8 0 7 1 0 1 1 0 8 0 amappl10 152 46 0 31 1 0 1 1 0 8 0 amappl9 144 249 0 249 1 1 0 1 0 8 0 amappl8 136 34 0 32 1 0 1 1 0 8 0 amappl7 128 99 0 98 1 0 1 1 0 8 0 amappl6 120 316 0 303 1 0 1 1 0 8 0 amappl5 112 73 0 62 1 0 1 1 0 8 0 amappl4 104 431 0 401 1 0 1 1 0 8 0 amappl3 96 3887 0 3832 4 1 3 3 0 8 0 amappl2 88 1003 0 936 2 0 2 2 0 8 0 amappl1 80 11329 0 10769 15 2 13 15 0 8 0 amappl 88 6149 0 6038 5 0 5 5 0 92 0 uvmvnodes 80 117 0 0 3 0 3 3 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 7 0 7 2 2 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 14 0 0 1 0 1 1 0 8 0 uaoeltpl 96 15719 1 14202 37 0 37 37 0 8 0 uaddrrnd 24 885 0 860 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 885 0 860 1 0 1 1 0 8 0 vmmpekpl 168 9205 0 9153 3 0 3 3 0 8 0 vmmpepl 168 62990 0 61435 93 2 91 91 0 357 6 vmsppl 488 884 0 860 6 1 5 5 0 8 1 rwobjpl 80 18844 0 17860 25 1 24 24 0 8 0 pdppl 4096 1780 0 1721 108 41 67 86 0 8 8 pvpl 32 358759 0 0 2894 0 2894 2894 0 265 0 pmappl 256 885 0 860 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 300 0 56 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:438 panic(ffffffff83324f51) at panic+0x1e5 sys/kern/subr_prf.c:198 uao_set_swslot(fffffd80704c5a68,d7df0,66eb) at uao_set_swslot+0x443 uvmpd_scan_inactive(0,9170) at uvmpd_scan_inactive+0x1035 sys/uvm/uvm_pdaemon.c:728 uvmpd_scan(0,9170,1974) at uvmpd_scan+0x87 sys/uvm/uvm_pdaemon.c:925 uvm_pageout(ffff8000fffff4c0) at uvm_pageout+0x4fc sys/uvm/uvm_pdaemon.c:305 end trace frame: 0x0, count: -6 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299edff0) 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 acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffff8000299edff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff8000299edff0) 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 acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffff8000299edff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: -5