panic: mtx 0xffffffff83987ea0: locking against myself Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *305989 27647 32767 0x10 0 0 syz-executor 205859 40406 32767 0x10 0 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833dc301) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff83987ea0) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff83987ea0) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd80080b5728) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80080b5728) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80080b5728) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd806152be70,1000,ffff800030ff2ab8,ffff800030ff2a94,0,2,90174292cc9e2403,ffff800030ff2d10) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800030ff2cd8,ffff800030ff2d10,ffff800030ff2b40,ffff800030ff2b48) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 uvm_fault_lower(ffff800030ff2cd8,ffff800030ff2d10,ffff800030ff2c50) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 uvm_fault(fffffd806b7e5d48,200000001000,0,2) at uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800030ff2e60,2000000011c0) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800030ff2e60) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x783398c14710, count: 2 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: mtx 0xffffffff83987ea0: locking against myself ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833dc301) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff83987ea0) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff83987ea0) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd80080b5728) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80080b5728) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80080b5728) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd806152be70,1000,ffff800030ff2ab8,ffff800030ff2a94,0,2,90174292cc9e2403,ffff800030ff2d10) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800030ff2cd8,ffff800030ff2d10,ffff800030ff2b40,ffff800030ff2b48) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 uvm_fault_lower(ffff800030ff2cd8,ffff800030ff2d10,ffff800030ff2c50) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 uvm_fault(fffffd806b7e5d48,200000001000,0,2) at uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800030ff2e60,2000000011c0) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800030ff2e60) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x783398c14710, count: -13 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800030ff2800 rbx 0xffffffff83828dcf cpu_info_full_primary+0x2dcf rdx 0 rcx 0xffff8000fffe3218 rax 0xffffffff83827ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x531d53954ac89c77 r11 0xe653cd1c0e6d24e5 r12 0xffffffff83828bd0 cpu_info_full_primary+0x2bd0 r13 0 r14 0 r15 0x1 rip 0xffffffff82d2f565 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800030ff27f0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=305989 pid=27647 tcnt=4 stat=onproc flags process=10 proc=0 runpri=50, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffe39c8,0xffff8000fffe2038 process=0xffff8000fffe6560 user=0xffff800030fed000, vmspace=0xfffffd806b7e5d48 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *27647 305989 28927 32767 7 0x10 syz-executor 27647 142302 28927 32767 3 0x4000090 fsleep syz-executor 27647 11672 28927 32767 3 0x4000010 biowait syz-executor 27647 9163 28927 32767 3 0x4000090 fsleep syz-executor 63269 74825 95078 32767 2 0x10 syz-executor 63269 475934 95078 32767 3 0x4000090 fsleep syz-executor 89174 468168 26303 32767 2 0x10 syz-executor 89174 180800 26303 32767 3 0x4000090 fsleep syz-executor 71909 38576 83953 32767 2 0x10 syz-executor 71909 105205 83953 32767 3 0x4000090 fsleep syz-executor 71909 377576 83953 32767 3 0x4000090 fsleep syz-executor 40406 205859 15168 32767 7 0x10 syz-executor 40406 281397 15168 32767 3 0x4000090 fsleep syz-executor 30008 382427 2039 32767 2 0x10 syz-executor 30008 194871 2039 32767 3 0x4000090 kqread syz-executor 86111 453586 0 0 3 0x14200 bored sosplice 50722 492777 18981 32767 3 0x10 biowait syz-executor 83953 220056 21416 32767 3 0x90 nanoslp syz-executor 26303 197988 52415 32767 3 0x90 nanoslp syz-executor 28927 342440 17763 32767 3 0x90 nanoslp syz-executor 95078 203368 3808 32767 3 0x90 nanoslp syz-executor 2039 289237 16127 32767 3 0x90 nanoslp syz-executor 15168 139277 49339 32767 3 0x90 nanoslp syz-executor 18981 382117 29185 0 3 0x82 wait syz-executor 52415 354319 29185 0 3 0x82 wait syz-executor 17763 237387 29185 0 3 0x82 wait syz-executor 21416 167479 29185 0 3 0x82 wait syz-executor 3808 463527 29185 0 3 0x82 wait syz-executor 16127 71183 29185 0 3 0x82 wait syz-executor 49339 91136 29185 0 3 0x82 wait syz-executor 29185 453895 13808 0 3 0x82 nanoslp syz-executor 13808 8448 60054 0 3 0x10008a sigsusp ksh 60054 50574 50171 0 3 0x98 kqread sshd-session 50171 145211 10743 0 3 0x92 kqread sshd-session 46680 330624 1 0 3 0x100083 ttyin getty 10743 239260 1 0 3 0x88 kqread sshd 29912 171621 7008 73 3 0x1100090 kqread syslogd 7008 141060 1 0 3 0x100082 sbwait syslogd 38704 266267 1 0 3 0x100080 kqread resolvd 32751 319705 95990 77 3 0x100092 kqread dhcpleased 86089 279407 95990 77 3 0x100092 kqread dhcpleased 95990 147536 1 0 3 0x80 kqread dhcpleased 44382 227523 0 0 3 0x14200 bored smr 60811 422113 0 0 2 0x14200 zerothread 51637 169266 0 0 3 0x14200 aiodoned aiodoned 81623 235352 0 0 3 0x14200 syncer update 38519 261207 0 0 3 0x14200 cleaner cleaner 71215 244322 0 0 3 0x14200 reaper reaper 30122 174180 0 0 3 0x14200 pgdaemon pagedaemon 3654 175668 0 0 3 0x14200 bored viomb 57658 122780 0 0 3 0x40014200 acpi0 acpi0 93178 393075 0 0 3 0x40014200 idle1 81762 292167 0 0 3 0x14200 bored softnet3 86349 292780 0 0 3 0x14200 bored softnet2 63521 261654 0 0 3 0x14200 bored softnet1 50300 307695 0 0 3 0x14200 bored softnet0 94062 402357 0 0 3 0x14200 bored systqmp 21155 18805 0 0 3 0x14200 bored systq 33864 249196 0 0 3 0x14200 tmoslp softclockmp 29450 299683 0 0 3 0x40014200 tmoslp softclock 63860 209772 0 0 3 0x40014200 idle0 1 241783 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 (0xffffffff83987eb0) #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 uvn_get+0x679 sys/uvm/uvm_vnode.c:1117 #4 uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 #5 uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 #6 uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 #7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #8 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #9 recall_trap+0x8 Process 27647 (syz-executor) thread 0xffff8000fffe3218 (305989) exclusive rwlock uobjlk r = 0 (0xfffffd8060643c80) #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 uvn_io+0x667 sys/uvm/uvm_vnode.c:1297 #3 uvn_get+0x31d sys/uvm/uvm_vnode.c:1102 #4 uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 #5 uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 #6 uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 #7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #8 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #9 recall_trap+0x8 exclusive mutex &uvm.pageqlock r = 0 (0xffffffff83987eb0) #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 uvn_get+0x679 sys/uvm/uvm_vnode.c:1117 #4 uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 #5 uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 #6 uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 #7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #8 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #9 recall_trap+0x8 Process 27647 (syz-executor) thread 0xffff8000fffe2028 (142302) exclusive rwlock futexpl r = 0 (0xffffffff838ff1e8) #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 pool_get+0x10b sys/kern/subr_pool.c:583 #3 futex_get+0x309 sys/kern/sys_futex.c:171 #4 futex_wait+0x328 sys/kern/sys_futex.c:-1 #5 sys_futex+0x149 sys/kern/sys_futex.c:101 #6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 exclusive rwlock futex r = 0 (0xffffffff8380b698) #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 sys_futex+0x69 sys/kern/sys_futex.c:98 #3 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #3 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #4 Xsyscall+0x128 Process 27647 (syz-executor) thread 0xffff8000fffe2cf8 (11672) exclusive rrwlock inode r = 0 (0xfffffd806552a520) #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 sys_ftruncate+0x1c4 sys/kern/vfs_syscalls.c:2920 #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 50722 (syz-executor) thread 0xffff8000fffeacf0 (492777) exclusive rrwlock inode r = 0 (0xfffffd80651d07a0) #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 vget+0x2bd sys/kern/vfs_subr.c:694 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1866 #13 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806cf75318) #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 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1866 #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 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10182 10952K 10965K 166960K 11262 0 pcb 17 12K 12K 166960K 17 0 rtable 214 6K 6K 166960K 356 0 pf 29 16K 16K 166960K 31 0 ifaddr 38 6K 7K 166960K 44 0 ifgroup 46 2K 2K 166960K 50 0 sysctl 1 1K 1K 166960K 1 0 counters 62 36K 36K 166960K 64 0 ioctlops 0 0K 2K 166960K 31 0 iov 0 0K 16K 166960K 10 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1334 84K 84K 166960K 1443 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 4 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 16 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 22 81K 125K 166960K 299 0 sigio 0 0K 0K 166960K 2 0 proc 58 79K 127K 166960K 482 0 subproc 63 3K 4K 166960K 162 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 21 0 in_multi 88 6K 7K 166960K 106 0 ether_multi 1 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 67 307K 307K 166960K 67 0 exec 0 0K 1K 166960K 358 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 232 143K 160K 166960K 3988 0 UVM aobj 5 2K 2K 166960K 5 0 pinsyscall 43 86K 116K 166960K 1296 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 10 0 NDP 10 0K 2K 166960K 27 0 temp 33 8682K 8746K 166960K 4414 0 kqueue 15 24K 24K 166960K 39 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 43 0 40 1 0 1 1 0 8 0 rtentry 176 113 0 13 6 0 6 6 0 8 0 unpcb 144 128 0 113 2 0 2 2 0 8 1 syncache 336 5 0 5 1 0 1 1 0 8 1 tcpcb 808 66 0 59 2 0 2 2 0 8 1 arp 128 18 0 2 1 0 1 1 0 8 0 ipq 40 1 0 0 1 0 1 1 0 8 0 ipqe 40 1 0 0 1 0 1 1 0 8 0 inpcb 384 163 0 152 2 0 2 2 0 8 0 nd6 144 26 0 4 1 0 1 1 0 8 0 kcovpl 48 18 0 11 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 457 0 46 29 0 29 29 0 8 2 art_table 32 458 0 46 4 0 4 4 0 8 0 art_node 16 112 0 21 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 1 1 0 1 1 0 8 1 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 14 0 4 1 0 1 1 0 8 0 shmpl 112 2 0 0 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 1738 0 220 96 0 96 96 0 8 0 ffsino 288 1738 0 220 109 0 109 109 0 8 0 nchpl 144 2082 0 396 63 0 63 63 0 8 0 uvmvnodes 80 1909 0 0 39 0 39 39 0 8 0 vnodes 216 1909 0 0 107 0 107 107 0 8 0 namei 1024 6518 0 6518 2 0 2 2 0 8 2 percpumem 16 47 0 1 1 0 1 1 0 8 0 kstatmem 264 22 0 2 2 0 2 2 0 8 0 scxspl 216 7061 0 7058 3 2 1 2 1 8 0 plimitpl 152 68 0 46 2 0 2 2 0 8 1 sigapl 424 551 0 498 8 0 8 8 0 8 1 futexpl 64 1708 0 1701 1 0 1 1 0 8 0 knotepl 120 305 0 0 10 0 10 10 0 8 0 kqueuepl 224 50 0 39 1 0 1 1 0 8 0 pipepl 336 167 0 140 5 0 5 5 0 8 2 fdescpl 520 532 0 498 4 0 4 4 0 8 1 filepl 160 2154 0 1959 12 0 12 12 0 8 3 lockfpl 104 26 0 23 1 0 1 1 0 8 0 lockfspl 48 13 0 10 1 0 1 1 0 8 0 sessionpl 144 32 0 17 1 0 1 1 0 8 0 pgrppl 48 50 0 28 1 0 1 1 0 8 0 ucredpl 104 186 0 168 1 0 1 1 0 8 0 zombiepl 144 498 0 498 1 0 1 1 0 8 1 processpl 1192 551 0 498 5 0 5 5 0 8 0 procpl 656 741 0 679 6 0 6 6 0 8 0 sosppl 168 1 0 0 1 0 1 1 0 8 0 sockpl 728 337 0 308 5 0 5 5 0 8 2 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 110 0 0 14 0 14 14 0 8 0 mcl2k 2048 23 0 0 3 0 3 3 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 242 0 0 16 0 16 16 0 8 0 bufpl 280 2582 0 116 177 0 177 177 0 8 0 anonpl 32 7192 0 0 58 0 58 58 0 246 0 amapchunkpl 152 11573 0 11059 23 0 23 23 0 158 2 amappl16 200 2183 0 2161 17 3 14 14 0 8 10 amappl15 192 3 0 3 1 1 0 1 0 8 0 amappl14 184 103 0 93 1 0 1 1 0 8 0 amappl13 176 7 0 7 1 1 0 1 0 8 0 amappl12 168 1125 0 1091 2 0 2 2 0 8 0 amappl11 160 45 0 35 1 0 1 1 0 8 0 amappl10 152 3 0 3 1 1 0 1 0 8 0 amappl9 144 251 0 251 1 1 0 1 0 8 0 amappl8 136 21 0 20 1 0 1 1 0 8 0 amappl7 128 117 0 106 1 0 1 1 0 8 0 amappl6 120 170 0 167 1 0 1 1 0 8 0 amappl5 112 113 0 106 1 0 1 1 0 8 0 amappl4 104 294 0 279 1 0 1 1 0 8 0 amappl3 96 1992 0 1870 4 0 4 4 0 8 0 amappl2 88 612 0 554 2 0 2 2 0 8 0 amappl1 80 8484 0 7921 14 0 14 14 0 8 0 amappl 88 3342 0 3173 5 0 5 5 0 92 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 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 4 0 0 1 0 1 1 0 8 0 uaddrrnd 24 532 0 498 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 532 0 498 1 0 1 1 0 8 0 vmmpekpl 168 6086 0 6048 3 0 3 3 0 8 0 vmmpepl 168 39954 0 37976 99 0 99 99 0 357 0 vmsppl 480 531 0 498 7 1 6 6 0 8 1 rwobjpl 72 15441 0 12706 54 0 54 54 0 8 2 pdppl 4096 1071 0 996 107 26 81 97 0 8 6 pvpl 32 14144 0 0 116 1 115 115 0 265 0 pmappl 256 531 0 498 4 1 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 397 0 29 11 0 11 11 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(ffffffff833dc301) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff83987ea0) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff83987ea0) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd80080b5728) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80080b5728) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80080b5728) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd806152be70,1000,ffff800030ff2ab8,ffff800030ff2a94,0,2,90174292cc9e2403,ffff800030ff2d10) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800030ff2cd8,ffff800030ff2d10,ffff800030ff2b40,ffff800030ff2b48) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 uvm_fault_lower(ffff800030ff2cd8,ffff800030ff2d10,ffff800030ff2c50) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 uvm_fault(fffffd806b7e5d48,200000001000,0,2) at uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800030ff2e60,2000000011c0) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800030ff2e60) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x783398c14710, count: -13 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 __mp_lock(ffffffff838d5c70) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838d5c70) at __mp_lock+0x192 sys/kern/kern_lock.c:144 uvm_fault(fffffd806c1365c0,ac447288000,0,1) at uvm_fault+0x1ee sys/uvm/uvm_fault.c:689 upageflttrap(ffff80002a3bffa0,ac447288000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002a3bffa0) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7903b7170370, count: 7 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 __mp_lock(ffffffff838d5c70) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838d5c70) at __mp_lock+0x192 sys/kern/kern_lock.c:144 uvm_fault(fffffd806c1365c0,ac447288000,0,1) at uvm_fault+0x1ee sys/uvm/uvm_fault.c:689 upageflttrap(ffff80002a3bffa0,ac447288000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002a3bffa0) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7903b7170370, count: -8