uvm_fault(0xffffffff8396be98, 0xffff800029ef5000, 0, 1) -> e kernel: page fault trap, code=0 Stopped at pvclock_get+0x53: movl 0(%r15),%r12d TID PID UID PRFLAGS PFLAGS CPU COMMAND *118112 15724 0 0 0x4000000 0 syz-executor pvclock_get(ffffffff838d1fe0) at pvclock_get+0x53 pvclock_read_begin sys/dev/pv/pvclock.c:278 [inline] pvclock_get(ffffffff838d1fe0) at pvclock_get+0x53 sys/dev/pv/pvclock.c:333 nsecuptime() at nsecuptime+0x62 tc_delta sys/kern/kern_tc.c:138 [inline] nsecuptime() at nsecuptime+0x62 binuptime sys/kern/kern_tc.c:191 [inline] nsecuptime() at nsecuptime+0x62 sys/kern/kern_tc.c:257 clockintr_dispatch(ffff80003a907800) at clockintr_dispatch+0xe8 sys/kern/kern_clockintr.c:180 lapic_clockintr(0,0) at lapic_clockintr+0x43 sys/arch/amd64/amd64/lapic.c:482 Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a pmap_tlb_shootrange(ffff80002fcc8000,ffff800029d42000,ffff80002a3ee000,1) at pmap_tlb_shootrange+0xe9 sys/arch/amd64/amd64/pmap.c:3361 buf_dealloc_mem(fffffd806938ee38) at buf_dealloc_mem+0x125 sys/kern/vfs_biomem.c:186 buf_put(fffffd806938ee38) at buf_put+0x1d9 sys/kern/vfs_bio.c:123 brelse(fffffd806938ee38) at brelse+0x397 sys/kern/vfs_bio.c:932 writedisklabel(d02,ffffffff817987d0,ffff800000039000) at writedisklabel+0x1b8 sys/arch/amd64/amd64/disksubr.c:158 sdioctl(d02,84946467,ffff8000015d1000,3,ffff80003c9adcb8) at sdioctl+0x959 sys/scsi/sd.c:921 VOP_IOCTL(fffffd80667a1010,84946467,ffff8000015d1000,3,fffffd8007ffd958,ffff80003c9adcb8) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806c973258,84946467,ffff8000015d1000,ffff80003c9adcb8) at vn_ioctl+0xea sys/kern/vfs_vnops.c:537 sys_ioctl(ffff80003c9adcb8,ffff80003a907e80,ffff80003a907dd0) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1 end trace frame: 0xffff80003a907e70, count: 0 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> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic *cpu0: uvm_fault(0xffffffff8396be98, 0xffff800029ef5000, 0, 1) -> e ddb> trace pvclock_get(ffffffff838d1fe0) at pvclock_get+0x53 pvclock_read_begin sys/dev/pv/pvclock.c:278 [inline] pvclock_get(ffffffff838d1fe0) at pvclock_get+0x53 sys/dev/pv/pvclock.c:333 nsecuptime() at nsecuptime+0x62 tc_delta sys/kern/kern_tc.c:138 [inline] nsecuptime() at nsecuptime+0x62 binuptime sys/kern/kern_tc.c:191 [inline] nsecuptime() at nsecuptime+0x62 sys/kern/kern_tc.c:257 clockintr_dispatch(ffff80003a907800) at clockintr_dispatch+0xe8 sys/kern/kern_clockintr.c:180 lapic_clockintr(0,0) at lapic_clockintr+0x43 sys/arch/amd64/amd64/lapic.c:482 Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a pmap_tlb_shootrange(ffff80002fcc8000,ffff800029d42000,ffff80002a3ee000,1) at pmap_tlb_shootrange+0xe9 sys/arch/amd64/amd64/pmap.c:3361 buf_dealloc_mem(fffffd806938ee38) at buf_dealloc_mem+0x125 sys/kern/vfs_biomem.c:186 buf_put(fffffd806938ee38) at buf_put+0x1d9 sys/kern/vfs_bio.c:123 brelse(fffffd806938ee38) at brelse+0x397 sys/kern/vfs_bio.c:932 writedisklabel(d02,ffffffff817987d0,ffff800000039000) at writedisklabel+0x1b8 sys/arch/amd64/amd64/disksubr.c:158 sdioctl(d02,84946467,ffff8000015d1000,3,ffff80003c9adcb8) at sdioctl+0x959 sys/scsi/sd.c:921 VOP_IOCTL(fffffd80667a1010,84946467,ffff8000015d1000,3,fffffd8007ffd958,ffff80003c9adcb8) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806c973258,84946467,ffff8000015d1000,ffff80003c9adcb8) at vn_ioctl+0xea sys/kern/vfs_vnops.c:537 sys_ioctl(ffff80003c9adcb8,ffff80003a907e80,ffff80003a907dd0) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1 syscall(ffff80003a907e80) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003a907e80) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcd9bc40b8f0, count: -16 ddb> show registers rdi 0xffffffff rsi 0xd rbp 0xffff80003a9076f0 rbx 0x3 rdx 0xffff8000015db400 rcx 0 rax 0xc r8 0 r9 0 r10 0 r11 0x14a78974ba6abba0 r12 0x16af __ALIGN_SIZE+0x6af r13 0xffffffff83874420 th0 r14 0xffffffff838d1fe0 pvclock_timecounter r15 0xffff800029ef5000 rip 0xffffffff8265ef53 pvclock_get+0x53 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003a9076a0 ss 0x10 pvclock_get+0x53: movl 0(%r15),%r12d ddb> show proc PROC (syz-executor) tid=118112 pid=15724 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=83, usrpri=83, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c9ad4f0,0xffff80003a90a560 process=0xffff8000ffff8918 user=0xffff80003a902000, vmspace=0xfffffd806d5b88b8 estcpu=33, cpticks=1, pctcpu=0.0, user=1, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 80283 73328 13694 0 2 0 syz-executor 80283 60518 13694 0 3 0x4000080 fsleep syz-executor 80283 298694 13694 0 3 0x4000080 fsleep syz-executor 8538 98829 94716 0 2 0 syz-executor 8538 150417 94716 0 3 0x4000080 fsleep syz-executor 82840 78401 63570 0 2 0 syz-executor 82840 116883 63570 0 3 0x4000080 fsleep syz-executor 55166 307010 50178 0 2 0 syz-executor 55166 435570 50178 0 3 0x4000080 fsleep syz-executor 9418 425220 9811 0 2 0 syz-executor 9418 200297 9811 0 3 0x4000080 fsleep syz-executor 9418 461261 9811 0 3 0x4000080 fsleep syz-executor 9418 229510 9811 0 2 0x4000000 syz-executor 15724 159623 64474 0 2 0 syz-executor *15724 118112 64474 0 7 0x4000000 syz-executor 14620 42566 21830 0 2 0 syz-executor 14620 489974 21830 0 3 0x4000080 pipewr syz-executor 14620 244170 21830 0 2 0x4000000 syz-executor 14620 43059 21830 0 3 0x4000080 fsleep syz-executor 14620 181811 21830 0 3 0x4000080 fsleep syz-executor 9634 113676 41981 0 3 0x80 nanoslp syz-executor 9634 470986 41981 0 3 0x4000080 bell syz-executor 9634 89742 41981 0 3 0x4000080 fsleep syz-executor 45444 472528 76314 27 3 0x1100092 kqread sshd-auth 76314 72926 43090 0 3 0x82 kqread sshd-session 9811 355322 47158 0 3 0x82 nanoslp syz-executor 94716 189338 47158 0 3 0x82 nanoslp syz-executor 16359 454263 0 0 3 0x14200 acct acct 21830 488079 47158 0 3 0x82 nanoslp syz-executor 41981 58627 47158 0 3 0x82 nanoslp syz-executor 64474 360183 47158 0 3 0x82 nanoslp syz-executor 50178 471934 47158 0 3 0x82 nanoslp syz-executor 63570 53922 47158 0 3 0x82 nanoslp syz-executor 13694 411953 47158 0 3 0x82 nanoslp syz-executor 47158 315007 1 0 3 0x82 kqread syz-executor 67478 396338 69426 0 3 0x98 kqread sshd-session 69426 170264 43090 0 3 0x92 kqread sshd-session 36038 205422 1 0 3 0x100083 ttyin getty 43090 58747 1 0 3 0x88 kqread sshd 58436 408632 10569 73 3 0x1100090 kqread syslogd 10569 413490 1 0 3 0x100082 sbwait syslogd 14378 220550 1 0 3 0x100080 kqread resolvd 19238 448082 21022 77 3 0x100092 kqread dhcpleased 25934 451042 21022 77 3 0x100092 kqread dhcpleased 21022 226278 1 0 3 0x80 kqread dhcpleased 91058 179976 0 0 3 0x14200 bored smr 53199 163603 0 0 2 0x14200 zerothread 70696 211593 0 0 3 0x14200 aiodoned aiodoned 81975 89967 0 0 3 0x14200 syncer update 43387 248899 0 0 3 0x14200 cleaner cleaner 93899 339390 0 0 3 0x14200 reaper reaper 17462 335706 0 0 3 0x14200 pgdaemon pagedaemon 19593 386871 0 0 3 0x14200 bored viomb 3054 441847 0 0 3 0x40014200 acpi0 acpi0 57987 458767 0 0 3 0x14200 bored softnet0 21882 430279 0 0 3 0x14200 bored systqmp 98050 250251 0 0 3 0x14200 bored systq 11117 153155 0 0 3 0x40014200 tmoslp softclock 84376 314706 0 0 3 0x40014200 idle0 1 414001 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11058 12240K 13821K 166960K 13350 0 pcb 18 13K 13K 166960K 162 0 rtable 208 10K 13K 166960K 554 0 pf 34 14K 19K 166960K 167 0 ifaddr 35 6K 7K 166960K 78 0 ifgroup 42 1K 2K 166960K 126 0 sysctl 4 1K 9K 166960K 10 0 counters 31 17K 18K 166960K 66 0 ioctlops 1 2K 4K 166960K 303 0 iov 0 0K 16K 166960K 30 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1484 93K 94K 166960K 2271 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 16 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 64 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 77K 166960K 815 0 sigio 1 0K 0K 166960K 7 0 proc 60 59K 83K 166960K 615 0 subproc 72 4K 4K 166960K 90 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 63 0 in_multi 83 5K 7K 166960K 148 0 ether_multi 1 0K 0K 166960K 6 0 mrt 1 0K 0K 166960K 24 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 457 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 255 168K 193K 166960K 9367 0 UVM aobj 25 3K 3K 166960K 28 0 pinsyscall 42 84K 94K 166960K 2031 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 33 0 NDP 9 0K 1K 166960K 52 0 temp 50 9069K 9142K 166960K 15208 0 kqueue 16 26K 36K 166960K 192 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 87 0 84 1 0 1 1 0 8 0 rtentry 136 148 0 69 4 0 4 4 0 8 0 unpcb 144 512 0 492 7 3 4 4 0 8 3 syncache 336 12 0 12 2 1 1 1 0 8 1 tcpqe 32 5 0 5 1 0 1 1 0 8 1 tcpcb 736 217 0 206 2 0 2 2 0 8 0 arp 96 23 0 10 1 0 1 1 0 8 0 ipq 40 10 0 2 2 1 1 1 0 8 0 ipqe 40 142 0 133 2 1 1 1 0 8 0 inpcb 328 644 0 627 9 5 4 7 0 8 2 ip6q 72 4 0 2 1 0 1 1 0 8 0 ip6af 40 8 0 5 1 0 1 1 0 8 0 nd6 112 36 0 16 1 0 1 1 0 8 0 pkpcb 40 8 0 8 2 1 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 mppekey 1024 2 0 2 2 1 1 1 0 8 1 ppxss 1072 20 0 20 2 1 1 1 0 8 1 pppxif 1416 3 0 3 2 1 1 1 0 8 1 pfstscr 40 3 0 3 2 1 1 1 0 8 1 pfosfp 40 1 0 0 1 0 1 1 0 8 0 pfosfpen 112 1 0 0 1 0 1 1 0 8 0 pfrktable 1344 22 0 17 1 0 1 1 0 8 0 pfsrclim 320 1 0 1 1 0 1 1 0 8 1 pfanchor 1288 4 0 3 1 0 1 1 0 8 0 pftag 88 5 0 3 1 0 1 1 0 8 0 pfqueue 320 1 0 1 1 1 0 1 0 8 0 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 128 8 0 6 2 1 1 1 0 8 0 pfstate 384 5 0 4 2 1 1 1 0 8 0 pfrule 1360 14 0 10 1 0 1 1 0 8 0 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 637 0 253 30 2 28 29 0 8 0 art_table 40 639 0 253 5 0 5 5 0 8 0 art_node 32 147 0 76 1 0 1 1 0 8 0 sysvmsgpl 40 9 0 6 2 1 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 62 0 52 1 0 1 1 0 8 0 shmpl 112 25 0 3 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 2947 0 1492 92 0 92 92 0 8 0 ffsino 256 2947 0 1492 92 0 92 92 0 8 0 nchpl 144 4063 0 2361 64 0 64 64 0 8 0 vnodes 216 3558 0 0 198 0 198 198 0 8 0 namei 1024 15404 0 15404 4 1 3 3 0 8 3 pfiaddrpl 120 6 0 3 1 0 1 1 0 8 0 kstatmem 264 62 0 44 2 0 2 2 0 8 0 scsiplug 72 4 0 4 1 0 1 1 0 8 1 scxspl 216 15432 0 15432 10 2 8 8 1 8 8 plimitpl 152 134 0 118 1 0 1 1 0 8 0 sigapl 424 1140 0 1095 8 2 6 8 0 8 0 knotepl 120 33690 0 33577 30 19 11 16 0 8 7 kqueuepl 184 312 0 299 4 3 1 4 0 8 0 pipepl 304 181 0 151 3 0 3 3 0 8 0 fdescpl 448 1106 0 1075 4 0 4 4 0 8 0 filepl 120 6492 0 6182 13 3 10 11 0 8 0 lockfpl 104 560 0 558 3 1 2 2 0 8 1 lockfspl 48 189 0 187 1 0 1 1 0 8 0 sessionpl 144 55 0 46 1 0 1 1 0 8 0 pgrppl 48 77 0 60 1 0 1 1 0 8 0 ucredpl 104 1245 0 1233 1 0 1 1 0 8 0 zombiepl 144 1381 0 1381 1 0 1 1 0 8 1 processpl 1152 1140 0 1095 5 0 5 5 0 8 0 procpl 664 2235 0 2175 7 1 6 7 0 8 0 sosppl 176 2 0 1 1 0 1 1 0 8 0 sockpl 552 1401 0 1360 14 5 9 9 0 8 5 mcl64k 65536 44 0 44 2 1 1 1 0 8 1 mcl16k 16384 4 0 4 1 1 0 1 0 8 0 mcl9k 9216 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 15 0 15 2 1 1 1 0 8 1 mcl4k 4096 3495 0 3443 14 6 8 13 0 8 0 mcl2k 2048 849 0 846 2 0 2 2 0 8 1 mtagpl 96 7 0 4 1 0 1 1 0 8 0 mbufpl 256 11397 0 11223 17 3 14 15 0 8 1 bufpl 280 6291 0 103 442 0 442 442 0 8 0 anonpl 24 185041 0 181377 58 4 54 54 0 187 24 amapchunkpl 152 31957 0 31427 49 13 36 36 0 158 13 amappl16 200 2935 0 2905 15 4 11 15 0 8 6 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 438 0 438 1 0 1 1 0 8 1 amappl13 176 135 0 123 1 0 1 1 0 8 0 amappl12 168 1361 0 1331 2 0 2 2 0 8 0 amappl11 160 7 0 7 1 1 0 1 0 8 0 amappl10 152 83 0 71 1 0 1 1 0 8 0 amappl9 144 260 0 260 1 1 0 1 0 8 0 amappl8 136 107 0 105 1 0 1 1 0 8 0 amappl7 128 157 0 143 1 0 1 1 0 8 0 amappl6 120 177 0 176 1 0 1 1 0 8 0 amappl5 112 106 0 96 1 0 1 1 0 8 0 amappl4 104 308 0 292 1 0 1 1 0 8 0 amappl3 96 5963 0 5843 4 0 4 4 0 8 0 amappl2 88 630 0 561 2 0 2 2 0 8 0 amappl1 80 15209 0 14490 22 3 19 19 0 8 2 amappl 88 8432 0 8252 5 0 5 5 0 92 0 uvmvnodes 80 125 0 0 3 0 3 3 0 8 0 dma32768 32768 1 0 1 1 1 0 1 0 8 0 dma8192 8192 1 0 1 1 1 0 1 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 128 254 0 254 2 1 1 1 0 8 1 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 27 0 3 1 0 1 1 0 8 0 uaddrrnd 24 1106 0 1075 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1106 0 1075 1 0 1 1 0 8 0 vmmpekpl 168 11443 0 11396 3 0 3 3 0 8 0 vmmpepl 168 80990 0 78882 107 4 103 103 0 357 5 vmsppl 368 1105 0 1075 4 0 4 4 0 8 0 rwobjpl 40 24925 0 23716 15 0 15 15 0 8 0 pdppl 4096 2218 0 2150 114 42 72 74 0 8 4 pvpl 32 508204 0 497441 147 9 138 138 0 265 45 pmappl 216 1105 0 1075 2 0 2 2 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 395 0 63 10 0 10 10 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace pvclock_get(ffffffff838d1fe0) at pvclock_get+0x53 pvclock_read_begin sys/dev/pv/pvclock.c:278 [inline] pvclock_get(ffffffff838d1fe0) at pvclock_get+0x53 sys/dev/pv/pvclock.c:333 nsecuptime() at nsecuptime+0x62 tc_delta sys/kern/kern_tc.c:138 [inline] nsecuptime() at nsecuptime+0x62 binuptime sys/kern/kern_tc.c:191 [inline] nsecuptime() at nsecuptime+0x62 sys/kern/kern_tc.c:257 clockintr_dispatch(ffff80003a907800) at clockintr_dispatch+0xe8 sys/kern/kern_clockintr.c:180 lapic_clockintr(0,0) at lapic_clockintr+0x43 sys/arch/amd64/amd64/lapic.c:482 Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a pmap_tlb_shootrange(ffff80002fcc8000,ffff800029d42000,ffff80002a3ee000,1) at pmap_tlb_shootrange+0xe9 sys/arch/amd64/amd64/pmap.c:3361 buf_dealloc_mem(fffffd806938ee38) at buf_dealloc_mem+0x125 sys/kern/vfs_biomem.c:186 buf_put(fffffd806938ee38) at buf_put+0x1d9 sys/kern/vfs_bio.c:123 brelse(fffffd806938ee38) at brelse+0x397 sys/kern/vfs_bio.c:932 writedisklabel(d02,ffffffff817987d0,ffff800000039000) at writedisklabel+0x1b8 sys/arch/amd64/amd64/disksubr.c:158 sdioctl(d02,84946467,ffff8000015d1000,3,ffff80003c9adcb8) at sdioctl+0x959 sys/scsi/sd.c:921 VOP_IOCTL(fffffd80667a1010,84946467,ffff8000015d1000,3,fffffd8007ffd958,ffff80003c9adcb8) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806c973258,84946467,ffff8000015d1000,ffff80003c9adcb8) at vn_ioctl+0xea sys/kern/vfs_vnops.c:537 sys_ioctl(ffff80003c9adcb8,ffff80003a907e80,ffff80003a907dd0) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1 syscall(ffff80003a907e80) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003a907e80) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcd9bc40b8f0, count: -16 ddb> machine ddbcpu 1 No such command ddb> trace pvclock_get(ffffffff838d1fe0) at pvclock_get+0x53 pvclock_read_begin sys/dev/pv/pvclock.c:278 [inline] pvclock_get(ffffffff838d1fe0) at pvclock_get+0x53 sys/dev/pv/pvclock.c:333 nsecuptime() at nsecuptime+0x62 tc_delta sys/kern/kern_tc.c:138 [inline] nsecuptime() at nsecuptime+0x62 binuptime sys/kern/kern_tc.c:191 [inline] nsecuptime() at nsecuptime+0x62 sys/kern/kern_tc.c:257 clockintr_dispatch(ffff80003a907800) at clockintr_dispatch+0xe8 sys/kern/kern_clockintr.c:180 lapic_clockintr(0,0) at lapic_clockintr+0x43 sys/arch/amd64/amd64/lapic.c:482 Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a pmap_tlb_shootrange(ffff80002fcc8000,ffff800029d42000,ffff80002a3ee000,1) at pmap_tlb_shootrange+0xe9 sys/arch/amd64/amd64/pmap.c:3361 buf_dealloc_mem(fffffd806938ee38) at buf_dealloc_mem+0x125 sys/kern/vfs_biomem.c:186 buf_put(fffffd806938ee38) at buf_put+0x1d9 sys/kern/vfs_bio.c:123 brelse(fffffd806938ee38) at brelse+0x397 sys/kern/vfs_bio.c:932 writedisklabel(d02,ffffffff817987d0,ffff800000039000) at writedisklabel+0x1b8 sys/arch/amd64/amd64/disksubr.c:158 sdioctl(d02,84946467,ffff8000015d1000,3,ffff80003c9adcb8) at sdioctl+0x959 sys/scsi/sd.c:921 VOP_IOCTL(fffffd80667a1010,84946467,ffff8000015d1000,3,fffffd8007ffd958,ffff80003c9adcb8) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806c973258,84946467,ffff8000015d1000,ffff80003c9adcb8) at vn_ioctl+0xea sys/kern/vfs_vnops.c:537 sys_ioctl(ffff80003c9adcb8,ffff80003a907e80,ffff80003a907dd0) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1 syscall(ffff80003a907e80) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003a907e80) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcd9bc40b8f0, count: -16