kernel: page fault trap, code=0 Stopped at hardclock+0x102: movq 0x260(%r15),%r12 ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic the kernel did not panic ddb> trace hardclock(ffff8000237a6930) at hardclock+0x102 sys/kern/kern_clock.c:156 lapic_clockintr(0,0) at lapic_clockintr+0x36 sys/arch/amd64/amd64/lapic.c:454 Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x26 _rb_find(ffffffff826fce60,fffffd806fe9d210,ffff8000237a6a48) at _rb_find+0xa2 sys/kern/subr_tree.c:448 uvm_pagelookup(fffffd806fe9d208,16b7000) at uvm_pagelookup+0x44 sys/uvm/uvm_page.c:1199 buf_map(fffffd806fe9d148) at buf_map+0x206 sys/kern/vfs_biomem.c:124 buf_get(0,0,8000009) at buf_get+0x76f sys/kern/vfs_bio.c:1182 geteblk(8000009) at geteblk+0x2c sys/kern/vfs_bio.c:1064 readdisklabel(2902,ffffffff81994ab0,ffff800000b28c00,0) at readdisklabel+0x145 sys/arch/amd64/amd64/disksubr.c:96 vndopen(2902,10001,2000,ffff80002163d510) at vndopen+0x17a sys/dev/vnd.c:202 spec_open(ffff8000237a6e98) at spec_open+0x3c8 sys/kern/spec_vnops.c:157 VOP_OPEN(fffffd80713ed148,10001,fffffd807f7d7420,ffff80002163d510) at VOP_OPEN+0x73 sys/kern/vfs_vops.c:153 vn_open(ffff8000237a70e8,10001,0) at vn_open+0x467 sys/kern/vfs_vnops.c:183 doopenat(ffff80002163d510,ffffff9c,20000040,10000,0,ffff8000237a72d0) at doopenat+0x26d sys/kern/vfs_syscalls.c:1133 syscall(ffff8000237a7340) at syscall+0x571 sys/arch/amd64/amd64/trap.c:587 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xee11d6f94f0, count: -16 ddb> show registers rdi 0x3 rsi 0 rbp 0xffff8000237a68f0 rbx 0x6 rdx 0 rcx 0 rax 0xffff80002163d510 r8 0 r9 0 r10 0 r11 0x6c50b92c62b12bb5 r12 0 r13 0xffff80002163d510 r14 0xffff8000237a6930 r15 0 rip 0xffffffff81b2c292 hardclock+0x102 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000237a68c0 ss 0x10 hardclock+0x102: movq 0x260(%r15),%r12 ddb> show proc PROC (kernel: page fault trap, code=0 Faulted in DDB; continuing... ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10106 6363K 6374K 78643K 14003 0 pcb 13 8K 8K 78643K 112 0 rtable 106 3K 3K 78643K 204 0 ifaddr 39 10K 10K 78643K 46 0 counters 21 16K 16K 78643K 22 0 ioctlops 0 0K 2K 78643K 421 0 iov 0 0K 0K 78643K 399 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1218 77K 77K 78643K 1460 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 151 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 0K 78643K 162 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 5 13K 25K 78643K 17417 0 sigio 0 0K 0K 78643K 416 0 proc 55 54K 71K 78643K 1241 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 33 2K 2K 78643K 44 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 43 201K 201K 78643K 43 0 exec 0 0K 2K 78643K 402 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 173 23K 23K 78643K 204167 0 UVM aobj 131 4K 4K 78643K 131 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 5 0K 0K 78643K 12 0 temp 101 4201K 4265K 78643K 37827 0 kqueue 10 14K 14K 78643K 10 0 SYN cache 2 16K 16K 78643K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 26 0 23 1 0 1 1 0 8 0 rtentry 112 56 0 12 2 0 2 2 0 8 0 unpcb 120 19138 0 19123 8 7 1 2 0 8 0 syncache 296 4 0 4 1 1 0 1 0 8 0 tcpcb 736 89 0 85 5 4 1 4 0 8 0 arp 88 8 0 2 1 0 1 1 0 8 0 inpcb 304 390 0 383 1 0 1 1 0 8 0 nd6 48 9 0 3 1 0 1 1 0 8 0 kcovpl 48 3 0 1 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 232 0 44 12 0 12 12 0 8 0 art_table 32 233 0 44 2 0 2 2 0 8 0 art_node 16 55 0 15 1 0 1 1 0 8 0 semapl 112 160 0 150 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dirhash: pool(0xffffffff829244f8:dirhash): free list modified: page 0xffff800021670000; item ordinal 0; addr 0xffff800021670c00 (p 0xfffffd807bbde000); offset 0x0=0x0 pool(dirhash): free list modified: page 0xffff800021670000; item ordinal 0; addr 0xffff800021670c00 (p 0xfffffd807bbde000); offset 0x0=0x0 dirhash: pool(0xffffffff829244f8:dirhash): page inconsistency: page 0xffff800021670000; item ordinal 1; addr 0xb2e7c58844833e9f dino2pl 256 20963 0 19555 91 2 89 89 0 8 0 ffsino 240 20963 0 19555 83 0 83 83 0 8 0 nchpl 144 44054 0 42451 60 0 60 60 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 224 5926 0 0 349 0 349 349 0 8 0 namei 1024 97199 0 97199 1 0 1 1 0 8 1 namei: pool(0xffffffff828ab9a8:namei): free list modified: page 0xffff800021629000; item ordinal 0; addr 0xffff800021629400 (p 0xfffffd807f7e4000); offset 0x0=0x0 pool(namei): free list modified: page 0xffff800021629000; item ordinal 0; addr 0xffff800021629400 (p 0xfffffd807f7e4000); offset 0x0=0x0 namei: pool(0xffffffff828ab9a8:namei): page inconsistency: page 0xffff800021629000; item ordinal 1; addr 0x5ed4af8fcb39e4d1 scxspl 216 116125 0 116125 9 8 1 8 0 8 1 plimitpl 152 17 0 9 1 0 1 1 0 8 0 sigapl 424 17673 0 17621 6 0 6 6 0 8 0 futexpl 56 81698 0 81698 1 0 1 1 0 8 1 knotepl 112 190 0 152 2 0 2 2 0 8 0 kqueuepl 184 410 0 404 1 0 1 1 0 8 0 pipepl 304 82 0 72 1 0 1 1 0 8 0 fdescpl 432 17629 0 17613 3 1 2 3 0 8 0 filepl 120 52204 0 52093 9 5 4 5 0 8 0 lockfpl 104 680 0 678 1 0 1 1 0 8 0 lockfspl 48 312 0 310 1 0 1 1 0 8 0 sessionpl 144 18 0 8 1 0 1 1 0 8 0 pgrppl 48 18 0 8 1 0 1 1 0 8 0 ucredpl 96 664 0 653 1 0 1 1 0 8 0 zombiepl 144 17621 0 17620 1 0 1 1 0 8 0 processpl 1008 17673 0 17620 7 0 7 7 0 8 0 processpl: pool(0xffffffff828ac328:processpl): page inconsistency: page 0x0; at page head addr 0xffff80002165df90 (p 0xffff80002165c000) processpl: pool(0xffffffff828ac328:processpl): page inconsistency: page 0x0; at page head addr 0xffff80002164df90 (p 0xffff80002164c000) procpl 672 35575 0 35516 9 3 6 6 0 8 0 procpl: pool(0xffffffff828ac180:procpl): page inconsistency: page 0x0; at page head addr 0xffff80002167bf90 (p 0xffff80002167a000) sockpl 448 19554 0 19529 34 30 4 6 0 8 1 mcl64k 65536 360 0 360 6 6 0 1 0 8 0 mcl16k 16384 46 0 46 4 4 0 1 0 8 0 mcl12k 12288 267 0 267 20 20 0 1 0 8 0 mcl9k 9216 715 0 715 17 17 0 1 0 8 0 mcl8k 8192 1267 0 1267 12 12 0 1 0 8 0 mcl4k 4096 727 0 727 25 25 0 1 0 8 0 mcl2k2 2112 186 0 186 10 10 0 1 0 8 0 mcl2k 2048 33789 0 33755 10 5 5 6 0 8 0 mtagpl 96 3 0 3 1 1 0 1 0 8 0 mbufpl 256 149184 0 149023 32 20 12 20 0 8 0 bufpl 280 21013 0 14607 458 0 458 458 0 8 0 anonpl 24 4316080 0 4310301 51 12 39 39 0 188 0 amapchunkpl 152 482133 0 481805 20 6 14 15 0 158 0 amappl16 200 33102 0 32950 9 0 9 9 0 8 0 amappl14 184 8600 0 8599 1 0 1 1 0 8 0 amappl13 176 135 0 134 1 0 1 1 0 8 0 amappl12 168 2 0 0 1 0 1 1 0 8 0 amappl11 160 37 0 27 1 0 1 1 0 8 0 amappl10 152 8704 0 8695 1 0 1 1 0 8 0 amappl9 144 12 0 10 1 0 1 1 0 8 0 amappl8 136 447 0 395 2 0 2 2 0 8 0 amappl7 128 72 0 59 1 0 1 1 0 8 0 amappl6 120 123 0 109 1 0 1 1 0 8 0 amappl5 112 27013 0 26998 1 0 1 1 0 8 0 amappl4 104 592 0 568 1 0 1 1 0 8 0 amappl3 96 1011 0 1008 1 0 1 1 0 8 0 amappl2 88 1370 0 1314 2 0 2 2 0 8 0 amappl1 80 291739 0 291325 12 3 9 12 0 8 0 amappl 88 203844 0 203735 3 0 3 3 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 64 130 0 0 3 0 3 3 0 8 0 uaddrrnd 24 17629 0 17613 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 17629 0 17613 1 0 1 1 0 8 0 vmmpekpl 168 78815 0 78786 2 0 2 2 0 8 0 vmmpepl 168 1926851 0 1925486 80 13 67 67 0 357 3 vmsppl 272 17628 0 17613 3 1 2 2 0 8 0 rwobjpl 24 317697 0 316862 14 8 6 6 0 8 0 pdppl 4096 35265 0 35226 63 22 41 45 0 8 2 pvpl 32 6953494 0 6944301 194 116 78 132 0 265 0 pmappl 192 17628 0 17613 1 0 1 1 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 388 0 133 8 0 8 8 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace hardclock(ffff8000237a6930) at hardclock+0x102 sys/kern/kern_clock.c:156 lapic_clockintr(0,0) at lapic_clockintr+0x36 sys/arch/amd64/amd64/lapic.c:454 Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x26 _rb_find(ffffffff826fce60,fffffd806fe9d210,ffff8000237a6a48) at _rb_find+0xa2 sys/kern/subr_tree.c:448 uvm_pagelookup(fffffd806fe9d208,16b7000) at uvm_pagelookup+0x44 sys/uvm/uvm_page.c:1199 buf_map(fffffd806fe9d148) at buf_map+0x206 sys/kern/vfs_biomem.c:124 buf_get(0,0,8000009) at buf_get+0x76f sys/kern/vfs_bio.c:1182 geteblk(8000009) at geteblk+0x2c sys/kern/vfs_bio.c:1064 readdisklabel(2902,ffffffff81994ab0,ffff800000b28c00,0) at readdisklabel+0x145 sys/arch/amd64/amd64/disksubr.c:96 vndopen(2902,10001,2000,ffff80002163d510) at vndopen+0x17a sys/dev/vnd.c:202 spec_open(ffff8000237a6e98) at spec_open+0x3c8 sys/kern/spec_vnops.c:157 VOP_OPEN(fffffd80713ed148,10001,fffffd807f7d7420,ffff80002163d510) at VOP_OPEN+0x73 sys/kern/vfs_vops.c:153 vn_open(ffff8000237a70e8,10001,0) at vn_open+0x467 sys/kern/vfs_vnops.c:183 doopenat(ffff80002163d510,ffffff9c,20000040,10000,0,ffff8000237a72d0) at doopenat+0x26d sys/kern/vfs_syscalls.c:1133 syscall(ffff8000237a7340) at syscall+0x571 sys/arch/amd64/amd64/trap.c:587 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xee11d6f94f0, count: -16 ddb> machine ddbcpu 1 No such command ddb> trace hardclock(ffff8000237a6930) at hardclock+0x102 sys/kern/kern_clock.c:156 lapic_clockintr(0,0) at lapic_clockintr+0x36 sys/arch/amd64/amd64/lapic.c:454 Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x26 _rb_find(ffffffff826fce60,fffffd806fe9d210,ffff8000237a6a48) at _rb_find+0xa2 sys/kern/subr_tree.c:448 uvm_pagelookup(fffffd806fe9d208,16b7000) at uvm_pagelookup+0x44 sys/uvm/uvm_page.c:1199 buf_map(fffffd806fe9d148) at buf_map+0x206 sys/kern/vfs_biomem.c:124 buf_get(0,0,8000009) at buf_get+0x76f sys/kern/vfs_bio.c:1182 geteblk(8000009) at geteblk+0x2c sys/kern/vfs_bio.c:1064 readdisklabel(2902,ffffffff81994ab0,ffff800000b28c00,0) at readdisklabel+0x145 sys/arch/amd64/amd64/disksubr.c:96 vndopen(2902,10001,2000,ffff80002163d510) at vndopen+0x17a sys/dev/vnd.c:202 spec_open(ffff8000237a6e98) at spec_open+0x3c8 sys/kern/spec_vnops.c:157 VOP_OPEN(fffffd80713ed148,10001,fffffd807f7d7420,ffff80002163d510) at VOP_OPEN+0x73 sys/kern/vfs_vops.c:153 vn_open(ffff8000237a70e8,10001,0) at vn_open+0x467 sys/kern/vfs_vnops.c:183 doopenat(ffff80002163d510,ffffff9c,20000040,10000,0,ffff8000237a72d0) at doopenat+0x26d sys/kern/vfs_syscalls.c:1133 syscall(ffff8000237a7340) at syscall+0x571 sys/arch/amd64/amd64/trap.c:587 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xee11d6f94f0, count: -16