kernel: page fault trap, code=0 Stopped at schedclock+0xc0: movzbl 0x35c(%rax),%eax ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic the kernel did not panic ddb> trace schedclock(ffff80002a5611d8) at schedclock+0xc0 sys/kern/sched_bsd.c:556 statclock(ffffffff8344dc08,ffff80002a57e7d0,0) at statclock+0x296 sys/kern/kern_clock.c:330 clockintr_dispatch(ffff80002a57e7d0) at clockintr_dispatch+0x32a lapic_clockintr(0,0) at lapic_clockintr+0x43 sys/arch/amd64/amd64/lapic.c:482 Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a pmap_kenter_pa(0,0,0) at pmap_kenter_pa+0x248 invpcid machine/cpufunc.h:173 [inline] pmap_kenter_pa(0,0,0) at pmap_kenter_pa+0x248 pmap_tlb_shootpage sys/arch/amd64/amd64/pmap.c:3411 [inline] pmap_kenter_pa(0,0,0) at pmap_kenter_pa+0x248 sys/arch/amd64/amd64/pmap.c:526 end trace frame: 0x0, count: -6 ddb> show registers rdi 0xffffffff rsi 0xc rbp 0xffff80002a57e6c0 rbx 0xffffffff8243afc0 statclock rdx 0xda1e4c6 __kernel_phys_end+0xa41e4c6 rcx 0xffffffff8344cff0 cpu_info_full_primary+0x1ff0 rax 0 r8 0 r9 0 r10 0 r11 0x66b8a5979db16fb3 r12 0x1498 __ALIGN_SIZE+0x498 r13 0 r14 0xffff80002a5611d8 r15 0 rip 0xffffffff826481c0 schedclock+0xc0 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a57e670 ss 0x10 schedclock+0xc0: movzbl 0x35c(%rax),%eax ddb> show 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 10142 10065K 10093K 166960K 11223 0 pcb 17 12K 12K 166960K 17 0 rtable 80 2K 2K 166960K 170 0 pf 16 10K 10K 166960K 19 0 ifaddr 14 2K 2K 166960K 18 0 ifgroup 22 1K 1K 166960K 27 0 counters 23 16K 16K 166960K 24 0 ioctlops 0 0K 2K 166960K 23 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1259 79K 79K 166960K 1276 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 2 0K 0K 166960K 2 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 3 8K 12K 166960K 36 0 proc 55 58K 67K 166960K 302 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 in_multi 22 1K 1K 166960K 33 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 25 122K 122K 166960K 25 0 exec 0 0K 1K 166960K 315 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 162 15K 15K 166960K 3576 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 26 52K 104K 166960K 1173 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 6 0K 0K 166960K 9 0 temp 1 6800K 6864K 166960K 3821 0 kqueue 13 20K 20K 166960K 46 0 SYN cache 2 16K 16K 166960K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 24 0 21 1 0 1 1 0 8 0 rtentry 112 45 0 12 1 0 1 1 0 8 0 unpcb 144 67 0 52 1 0 1 1 0 8 0 syncache 336 9 0 9 1 0 1 1 0 8 1 tcpcb 808 12 0 9 1 0 1 1 0 8 0 arp 88 6 0 2 1 0 1 1 0 8 0 inpcb 336 38 0 32 1 0 1 1 0 8 0 nd6 104 6 0 3 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 192 0 48 9 0 9 9 0 8 0 art_table 32 193 0 48 2 0 2 2 0 8 0 art_node 16 44 0 14 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dirhash: pool(0xffffffff8357b210:dirhash): free list modified: page 0xffff80002a4aa000; item ordinal 0; addr 0xffff80002a4ab000 (p 0xfffffd806e04e000); offset 0x0=0x0 pool(dirhash): free list modified: page 0xffff80002a4aa000; item ordinal 0; addr 0xffff80002a4ab000 (p 0xfffffd806e04e000); offset 0x0=0x0 dirhash: pool(0xffffffff8357b210:dirhash): page inconsistency: page 0xffff80002a4aa000; item ordinal 1; addr 0xe46f88ae4df8d90e dino2pl 256 1559 0 74 93 0 93 93 0 8 0 ffsino 240 1559 0 74 88 0 88 88 0 8 0 nchpl 144 1823 0 101 64 0 64 64 0 8 0 uvmvnodes 80 1569 0 0 33 0 33 33 0 8 0 vnodes 216 1569 0 0 88 0 88 88 0 8 0 namei 1024 6515 0 6515 3 0 3 3 0 8 3 namei: pool(0xffffffff83529a38:namei): free list modified: page 0xffff80002a518000; item ordinal 0; addr 0xffff80002a518c00 (p 0xfffffd806af3c000); offset 0x0=0x0 pool(namei): free list modified: page 0xffff80002a518000; item ordinal 0; addr 0xffff80002a518c00 (p 0xfffffd806af3c000); offset 0x0=0x0 namei: pool(0xffffffff83529a38:namei): page inconsistency: page 0xffff80002a518000; item ordinal 1; addr 0xc43df504784fbdda namei: pool(0xffffffff83529a38:namei): free list modified: page 0xffff80002a578000; item ordinal 0; addr 0xffff80002a579800 (p 0xfffffd806af3c000); offset 0x0=0x0 pool(namei): free list modified: page 0xffff80002a578000; item ordinal 0; addr 0xffff80002a579800 (p 0xfffffd806af3c000); offset 0x0=0x0 namei: pool(0xffffffff83529a38:namei): page inconsistency: page 0xffff80002a578000; item ordinal 1; addr 0x72ccb22b8d48e648 namei: pool(0xffffffff83529a38:namei): free list modified: page 0xffff80002a47a000; item ordinal 0; addr 0xffff80002a47b000 (p 0xfffffd807f7e4000); offset 0x0=0x0 pool(namei): free list modified: page 0xffff80002a47a000; item ordinal 0; addr 0xffff80002a47b000 (p 0xfffffd807f7e4000); offset 0x0=0x0 namei: pool(0xffffffff83529a38:namei): page inconsistency: page 0xffff80002a47a000; item ordinal 1; addr 0x23739638f6166e47 kstatmem 264 10 0 2 1 0 1 1 0 8 0 scxspl 216 8211 0 8210 8 0 8 8 1 8 7 plimitpl 152 51 0 42 1 0 1 1 0 8 0 sigapl 424 396 0 364 5 0 5 5 0 8 1 futexpl 64 10 0 10 1 0 1 1 0 8 1 knotepl 120 6911 0 6874 2 0 2 2 0 8 0 kqueuepl 184 42 0 33 1 0 1 1 0 8 0 pipepl 288 155 0 148 1 0 1 1 0 8 0 fdescpl 432 380 0 364 4 0 4 4 0 8 2 filepl 120 1819 0 1749 3 0 3 3 0 8 0 lockfpl 104 9 0 6 1 0 1 1 0 8 0 lockfspl 48 6 0 3 1 0 1 1 0 8 0 sessionpl 144 27 0 18 1 0 1 1 0 8 0 pgrppl 48 27 0 18 1 0 1 1 0 8 0 ucredpl 104 112 0 100 1 0 1 1 0 8 0 zombiepl 144 364 0 364 1 0 1 1 0 8 1 processpl 1096 396 0 364 4 0 4 4 0 8 1 processpl: pool(0xffffffff8358a1a8:processpl): page inconsistency: page 0x0; at page head addr 0xffff80002a4fff90 (p 0xffff80002a4fc000) processpl: pool(0xffffffff8358a1a8:processpl): page inconsistency: page 0x0; at page head addr 0xffff80002a467f90 (p 0xffff80002a464000) procpl 648 418 0 376 5 0 5 5 0 8 0 procpl: pool(0xffffffff8358a000:procpl): page inconsistency: page 0x0; at page head addr 0xffff80002a40df90 (p 0xffff80002a40c000) procpl: pool(0xffffffff8358a000:procpl): page inconsistency: page 0x0; at page head addr 0xffff80002a561f90 (p 0xffff80002a560000) sockpl 504 129 0 105 4 0 4 4 0 8 0 mcl8k 8192 13 0 13 1 0 1 1 0 8 1 mcl4k 4096 9 0 9 1 0 1 1 0 8 1 mcl2k 2048 19184 0 19079 33 7 26 30 0 8 8 mtagpl 96 4 0 4 1 0 1 1 0 8 1 mbufpl 256 23141 0 23023 15 0 15 15 0 8 6 bufpl 280 4306 0 155 297 0 297 297 0 8 0 anonpl 24 286147 0 282590 55 0 55 55 0 187 26 amapchunkpl 152 13796 0 13442 27 0 27 27 0 158 10 amappl16 200 7640 0 7576 5 0 5 5 0 8 1 amappl15 192 17 0 16 1 0 1 1 0 8 0 amappl14 184 211 0 196 2 0 2 2 0 8 0 amappl13 176 12 0 12 1 0 1 1 0 8 1 amappl12 168 961 0 944 2 0 2 2 0 8 1 amappl11 160 62 0 52 1 0 1 1 0 8 0 amappl10 152 67 0 64 1 0 1 1 0 8 0 amappl9 144 273 0 273 1 0 1 1 0 8 1 amappl8 136 113 0 96 1 0 1 1 0 8 0 amappl7 128 214 0 200 2 0 2 2 0 8 0 amappl6 120 214 0 210 1 0 1 1 0 8 0 amappl5 112 163 0 154 1 0 1 1 0 8 0 amappl4 104 473 0 456 2 0 2 2 0 8 1 amappl3 96 4276 0 4226 3 0 3 3 0 8 1 amappl2 88 1041 0 981 4 0 4 4 0 8 2 amappl1 80 14394 0 13882 26 7 19 23 0 8 7 amappl 88 2896 0 2802 4 0 4 4 0 92 1 dma4096 4096 1 0 1 1 0 1 1 0 8 1 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 0 1 1 0 8 1 dma128 128 253 0 253 1 0 1 1 0 8 1 dma64 64 6 0 6 1 0 1 1 0 8 1 dma32 32 7 0 7 1 0 1 1 0 8 1 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 380 0 364 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 380 0 364 1 0 1 1 0 8 0 vmmpekpl 168 12107 0 12080 2 0 2 2 0 8 0 vmmpepl 168 60961 0 59631 119 0 119 119 0 357 57 vmsppl 344 379 0 364 3 0 3 3 0 8 1 rwobjpl 24 28871 0 26508 20 0 20 20 0 8 2 pdppl 4096 766 0 728 98 42 56 62 0 8 18 pvpl 32 608865 0 600409 400 96 304 400 0 265 226 pmappl 216 379 0 364 2 0 2 2 0 8 1 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 356 0 49 10 0 10 10 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace schedclock(ffff80002a5611d8) at schedclock+0xc0 sys/kern/sched_bsd.c:556 statclock(ffffffff8344dc08,ffff80002a57e7d0,0) at statclock+0x296 sys/kern/kern_clock.c:330 clockintr_dispatch(ffff80002a57e7d0) at clockintr_dispatch+0x32a lapic_clockintr(0,0) at lapic_clockintr+0x43 sys/arch/amd64/amd64/lapic.c:482 Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a pmap_kenter_pa(0,0,0) at pmap_kenter_pa+0x248 invpcid machine/cpufunc.h:173 [inline] pmap_kenter_pa(0,0,0) at pmap_kenter_pa+0x248 pmap_tlb_shootpage sys/arch/amd64/amd64/pmap.c:3411 [inline] pmap_kenter_pa(0,0,0) at pmap_kenter_pa+0x248 sys/arch/amd64/amd64/pmap.c:526 end trace frame: 0x0, count: -6 ddb> machine ddbcpu 1 No such command ddb> trace schedclock(ffff80002a5611d8) at schedclock+0xc0 sys/kern/sched_bsd.c:556 statclock(ffffffff8344dc08,ffff80002a57e7d0,0) at statclock+0x296 sys/kern/kern_clock.c:330 clockintr_dispatch(ffff80002a57e7d0) at clockintr_dispatch+0x32a lapic_clockintr(0,0) at lapic_clockintr+0x43 sys/arch/amd64/amd64/lapic.c:482 Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a pmap_kenter_pa(0,0,0) at pmap_kenter_pa+0x248 invpcid machine/cpufunc.h:173 [inline] pmap_kenter_pa(0,0,0) at pmap_kenter_pa+0x248 pmap_tlb_shootpage sys/arch/amd64/amd64/pmap.c:3411 [inline] pmap_kenter_pa(0,0,0) at pmap_kenter_pa+0x248 sys/arch/amd64/amd64/pmap.c:526 end trace frame: 0x0, count: -6