""""panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 120468 26574 0 0x2 0x4000080 1 syz-fuzzer *498247 59945 0 0x14000 0x200 0 systqmp db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff824200c2) at panic+0x164 sys/kern/subr_prf.c:218 witness_checkorder(ffffffff8293cf68,9,0) at witness_checkorder+0x10e0 sys/kern/subr_witness.c:821 __mp_lock(ffffffff8293cd60) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff8293cd60) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff8293cd60) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 pageflttrap(ffff800020da3620,0) at pageflttrap+0x7f sys/arch/amd64/amd64/trap.c:180 kerntrap(ffff800020da3620) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b pool_cache_gc(ffffffff828d47c8) at pool_cache_gc+0x138 pool_cache_list_put sys/kern/subr_pool.c:1970 [inline] pool_cache_gc(ffffffff828d47c8) at pool_cache_gc+0x138 sys/kern/subr_pool.c:2025 pool_gc_pages(0) at pool_gc_pages+0x6c sys/kern/subr_pool.c:1559 taskq_thread(ffffffff82758350) at taskq_thread+0xfa sys/kern/kern_task.c:449 end trace frame: 0x0, count: 5 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 acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff824200c2) at panic+0x164 sys/kern/subr_prf.c:218 witness_checkorder(ffffffff8293cf68,9,0) at witness_checkorder+0x10e0 sys/kern/subr_witness.c:821 __mp_lock(ffffffff8293cd60) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff8293cd60) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff8293cd60) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 pageflttrap(ffff800020da3620,0) at pageflttrap+0x7f sys/arch/amd64/amd64/trap.c:180 kerntrap(ffff800020da3620) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b pool_cache_gc(ffffffff828d47c8) at pool_cache_gc+0x138 pool_cache_list_put sys/kern/subr_pool.c:1970 [inline] pool_cache_gc(ffffffff828d47c8) at pool_cache_gc+0x138 sys/kern/subr_pool.c:2025 pool_gc_pages(0) at pool_gc_pages+0x6c sys/kern/subr_pool.c:1559 taskq_thread(ffffffff82758350) at taskq_thread+0xfa sys/kern/kern_task.c:449 end trace frame: 0x0, count: -10 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800020da3390 rbx 0xffff800020da3440 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffff800020da3350 r9 0xffffffff8167b47f kprintf+0x16f r10 0x1 r11 0xb8763973402f1d66 r12 0x3000000008 r13 0xffff800020da33a0 r14 0x100 r15 0x1 rip 0xffffffff8215e708 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020da3380 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (systqmp) pid=498247 stat=onproc flags process=14000 proc=200 pri=32, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020d88278,0xffff800020d88500 process=0xffff800020d8a7e0 user=0xffff800020d9e000, vmspace=0xffffffff828d4108 estcpu=0, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 47109 391311 12387 0 2 0 syz-executor.1 47109 523280 12387 0 3 0x4000080 fsleep syz-executor.1 47109 1317 12387 0 3 0x4000080 fsleep syz-executor.1 47109 469341 12387 0 2 0x4000000 syz-executor.1 56009 42017 0 0 3 0x14200 bored sosplice 12387 364410 26574 0 3 0x82 nanosleep syz-executor.1 74507 450933 26574 0 2 0x2 syz-executor.0 26574 478555 7512 0 3 0x82 thrsleep syz-fuzzer 26574 417736 7512 0 2 0x4000082 syz-fuzzer 26574 384017 7512 0 3 0x4000082 thrsleep syz-fuzzer 26574 508158 7512 0 2 0x4000002 syz-fuzzer 26574 120468 7512 0 7 0x4000082 syz-fuzzer 26574 302973 7512 0 3 0x4000082 thrsleep syz-fuzzer 26574 100559 7512 0 3 0x4000082 thrsleep syz-fuzzer 26574 410303 7512 0 3 0x4000082 thrsleep syz-fuzzer 7512 225928 59738 0 3 0x10008a pause ksh 59738 246546 62986 0 3 0x92 select sshd 10625 494377 1 0 3 0x100083 ttyin getty 62986 118262 1 0 3 0x80 select sshd 16436 288233 74687 74 3 0x100092 bpf pflogd 74687 178779 1 0 3 0x80 netio pflogd 64751 102829 26337 73 3 0x100090 kqread syslogd 26337 391049 1 0 3 0x100082 netio syslogd 76300 292937 1 77 3 0x100090 poll dhclient 88721 298653 1 0 3 0x80 poll dhclient 84565 12220 0 0 3 0x14200 bored smr 73799 480916 0 0 2 0x14200 zerothread 57655 369915 0 0 3 0x14200 aiodoned aiodoned 18328 11956 0 0 2 0x14200 update 96907 493976 0 0 3 0x14200 cleaner cleaner 38873 157944 0 0 3 0x14200 reaper reaper 18049 39379 0 0 3 0x14200 pgdaemon pagedaemon 69779 88069 0 0 3 0x14200 bored crynlk 46693 248934 0 0 3 0x14200 bored crypto 43824 517635 0 0 3 0x40014200 acpi0 acpi0 43311 319620 0 0 3 0x40014200 idle1 83223 97143 0 0 3 0x14200 bored softnet *59945 498247 0 0 7 0x14200 systqmp 11105 500640 0 0 3 0x14200 bored systq 32633 211495 0 0 3 0x40014200 bored softclock 90810 281201 0 0 3 0x40014200 idle0 1 103475 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex mbufpl r = 0 (0xffffffff828d47d8) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_cache_gc+0x12d pl_enter sys/kern/subr_pool.c:104 [inline] #3 pool_cache_gc+0x12d pool_cache_list_put sys/kern/subr_pool.c:1968 [inline] #3 pool_cache_gc+0x12d sys/kern/subr_pool.c:2025 #4 pool_gc_pages+0x6c sys/kern/subr_pool.c:1559 #5 taskq_thread+0xfa sys/kern/kern_task.c:449 #6 proc_trampoline+0x1c Process 59945 (systqmp) thread 0xffff800020d88000 (498247) shared rwlock pools r = 0 (0xffffffff827663a0) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 pool_gc_pages+0x21 sys/kern/subr_pool.c:1555 #2 taskq_thread+0xfa sys/kern/kern_task.c:449 #3 proc_trampoline+0x1c shared rwlock systqmp r = 0 (0xffffffff827583c0) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 taskq_thread+0xdf sys/kern/kern_task.c:445 #2 proc_trampoline+0x1c exclusive mutex mbufpl r = 0 (0xffffffff828d47d8) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_cache_gc+0x12d pl_enter sys/kern/subr_pool.c:104 [inline] #3 pool_cache_gc+0x12d pool_cache_list_put sys/kern/subr_pool.c:1968 [inline] #3 pool_cache_gc+0x12d sys/kern/subr_pool.c:2025 #4 pool_gc_pages+0x6c sys/kern/subr_pool.c:1559 #5 taskq_thread+0xfa sys/kern/kern_task.c:449 #6 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9488 6403K 6723K 78643K 10810 0 pcb 13 8K 8K 78643K 28 0 rtable 110 5K 7K 78643K 287 0 ifaddr 57 12K 13K 78643K 88 0 sysctl 2 0K 0K 78643K 2 0 counters 43 33K 34K 78643K 49 0 ioctlops 0 0K 4K 78643K 1496 0 iov 0 0K 2K 78643K 14 0 mount 1 1K 1K 78643K 1 0 vnodes 1228 77K 77K 78643K 1302 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 4 0 VM map 2 1K 1K 78643K 2 0 sem 12 1K 1K 78643K 63 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 217 0 sigio 0 0K 0K 78643K 2 0 proc 61 63K 83K 78643K 455 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 17 0 in_multi 50 2K 3K 78643K 63 0 ether_multi 1 0K 0K 78643K 4 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 55 254K 254K 78643K 55 0 exec 0 0K 1K 78643K 222 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 148 25K 26K 78643K 1679 0 UVM aobj 5 2K 2K 78643K 5 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 18 0 NDP 8 0K 0K 78643K 17 0 temp 82 3863K 3927K 78643K 2507 0 kqueue 3 4K 8K 78643K 13 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 6 0 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 88 28 0 26 1 0 1 1 0 8 0 rtentry 112 51 0 8 2 0 2 2 0 8 0 unpcb 120 118 0 106 1 0 1 1 0 8 0 syncache 272 8 0 8 2 1 1 1 0 8 1 tcpqe 32 849 0 849 1 1 0 1 0 8 0 tcpcb 592 59 0 50 2 0 2 2 0 8 1 inpcb 296 197 0 190 2 0 2 2 0 8 1 nd6 48 10 0 2 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 ppxss 1136 1 0 1 1 0 1 1 0 8 1 pfstscr 40 2 0 2 1 0 1 1 0 8 1 pffrag 232 2 0 1 1 0 1 1 0 482 0 pffrnode 88 2 0 1 1 0 1 1 0 8 0 pffrent 40 47 0 46 1 0 1 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 23 0 21 1 0 1 1 0 8 0 pfstitem 24 30 0 5 1 0 1 1 0 8 0 pfstkey 112 34 0 9 1 0 1 1 0 8 0 pfstate 328 32 0 7 3 0 3 3 0 8 0 pfrule 1360 25 0 19 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 209 0 23 13 0 13 13 0 8 1 art_table 32 210 0 23 2 0 2 2 0 8 0 art_node 16 50 0 12 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 2 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 53 0 43 1 0 1 1 0 8 0 shmpl 112 2 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1666 0 262 89 0 89 89 0 8 1 ffsino 272 1666 0 262 95 1 94 94 0 8 0 nchpl 144 2296 0 687 60 0 60 60 0 8 0 uvmvnodes 72 1765 0 0 33 0 33 33 0 8 0 vnodes 208 1765 0 0 93 0 93 93 0 8 0 namei 1024 6065 0 6065 1 0 1 1 0 8 1 percpumem 16 35 0 3 1 0 1 1 0 8 0 vmpool 560 2 0 2 1 1 0 1 0 8 0 pfiaddrpl 120 8 0 6 1 0 1 1 0 8 0 scxspl 200 6170 0 6170 8 7 1 7 0 8 1 plimitpl 152 30 0 22 1 0 1 1 0 8 0 sigapl 424 433 0 401 4 0 4 4 0 8 0 futexpl 56 2645 0 2643 1 0 1 1 0 8 0 knotepl 112 79 0 59 1 0 1 1 0 8 0 kqueuepl 152 29 0 27 1 0 1 1 0 8 0 pipepl 304 116 0 105 2 0 2 2 0 8 1 fdescpl 496 417 0 401 3 0 3 3 0 8 0 filepl 152 2406 0 2298 6 0 6 6 0 8 1 lockfpl 104 27 0 26 1 0 1 1 0 8 0 lockfspl 48 10 0 9 1 0 1 1 0 8 0 sessionpl 120 18 0 7 1 0 1 1 0 8 0 pgrppl 48 18 0 7 1 0 1 1 0 8 0 ucredpl 96 235 0 226 1 0 1 1 0 8 0 zombiepl 144 401 0 401 1 0 1 1 0 8 1 processpl 1008 433 0 401 5 0 5 5 0 8 0 procpl 632 872 0 830 6 1 5 5 0 8 1 sosppl 144 3 0 3 1 1 0 1 0 8 0 sockpl 400 346 0 325 4 0 4 4 0 8 1 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 8 0 0 1 0 1 1 0 8 0 mcl2k 2048 276 0 0 34 0 34 34 0 8 0 mtagpl 96 15 0 0 1 0 1 1 0 8 0 mbufpl 256 291 0 0 18 0 18 18 0 8 0 bufpl 280 3518 0 127 243 0 243 243 0 8 0 anonpl 16 60194 0 41950 86 1 85 85 0 124 9 amapchunkpl 152 2389 0 2097 14 1 13 14 0 158 0 amappl16 192 2078 0 1230 51 3 48 51 0 8 5 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 6 0 5 1 0 1 1 0 8 0 amappl13 168 29 0 26 1 0 1 1 0 8 0 amappl12 160 109 0 105 1 0 1 1 0 8 0 amappl11 152 69 0 52 1 0 1 1 0 8 0 amappl10 144 23 0 16 1 0 1 1 0 8 0 amappl9 136 457 0 455 1 0 1 1 0 8 0 amappl8 128 332 0 301 2 0 2 2 0 8 0 amappl7 120 115 0 102 1 0 1 1 0 8 0 amappl6 112 35 0 28 1 0 1 1 0 8 0 amappl5 104 399 0 383 1 0 1 1 0 8 0 amappl4 96 497 0 467 1 0 1 1 0 8 0 amappl3 88 125 0 115 1 0 1 1 0 8 0 amappl2 80 2396 0 2329 2 0 2 2 0 8 0 amappl1 72 20999 0 20539 23 13 10 18 0 8 0 amappl 80 1168 0 1089 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 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 4 0 0 1 0 1 1 0 8 0 uaddrrnd 24 419 0 403 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 419 0 403 1 0 1 1 0 8 0 vmmpekpl 168 7123 0 7086 3 1 2 2 0 8 0 vmmpepl 168 59655 0 57593 121 15 106 115 0 357 14 vmsppl 368 418 0 403 2 0 2 2 0 8 0 pdppl 4096 845 0 806 7 1 6 6 0 8 1 pvpl 32 191398 0 169947 201 0 201 201 0 265 25 pmappl 232 418 0 403 2 1 1 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 277 0 6 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff824200c2) at panic+0x164 sys/kern/subr_prf.c:218 witness_checkorder(ffffffff8293cf68,9,0) at witness_checkorder+0x10e0 sys/kern/subr_witness.c:821 __mp_lock(ffffffff8293cd60) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff8293cd60) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff8293cd60) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 pageflttrap(ffff800020da3620,0) at pageflttrap+0x7f sys/arch/amd64/amd64/trap.c:180 kerntrap(ffff800020da3620) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b pool_cache_gc(ffffffff828d47c8) at pool_cache_gc+0x138 pool_cache_list_put sys/kern/subr_pool.c:1970 [inline] pool_cache_gc(ffffffff828d47c8) at pool_cache_gc+0x138 sys/kern/subr_pool.c:2025 pool_gc_pages(0) at pool_gc_pages+0x6c sys/kern/subr_pool.c:1559 taskq_thread(ffffffff82758350) at taskq_thread+0xfa sys/kern/kern_task.c:449 end trace frame: 0x0, count: -10 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020d70ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff8293cd60) at __mp_lock+0x120 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff8293cd60) at __mp_lock+0x120 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff8293cd60,1) at __mp_acquire_count+0x51 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x392 sys/kern/sched_bsd.c:435 sleep_finish(ffff800020e92470,1) at sleep_finish+0x113 sys/kern/kern_synch.c:418 sleep_finish_all(ffff800020e92470,1) at sleep_finish_all+0x32 sleep_finish_timeout sys/kern/kern_synch.c:447 [inline] sleep_finish_all(ffff800020e92470,1) at sleep_finish_all+0x32 sys/kern/kern_synch.c:393 rwsleep(ffff800020e92528,ffff8000ffffc8b0,120,ffffffff82478332,0) at rwsleep+0x11b sys/kern/kern_synch.c:313 thrsleep(ffff800020dd64f8,ffff800020e92610) at thrsleep+0x3f2 sys/kern/kern_synch.c:736 sys___thrsleep(ffff800020dd64f8,ffff800020e92610,ffff800020e92660) at sys___thrsleep+0xb5 sys/kern/kern_synch.c:777 syscall(ffff800020e926e0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e926e0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc000049dd8, count: 2 ddb{1}> trace x86_ipi_db(ffff800020d70ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff8293cd60) at __mp_lock+0x120 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff8293cd60) at __mp_lock+0x120 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff8293cd60,1) at __mp_acquire_count+0x51 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x392 sys/kern/sched_bsd.c:435 sleep_finish(ffff800020e92470,1) at sleep_finish+0x113 sys/kern/kern_synch.c:418 sleep_finish_all(ffff800020e92470,1) at sleep_finish_all+0x32 sleep_finish_timeout sys/kern/kern_synch.c:447 [inline] sleep_finish_all(ffff800020e92470,1) at sleep_finish_all+0x32 sys/kern/kern_synch.c:393 rwsleep(ffff800020e92528,ffff8000ffffc8b0,120,ffffffff82478332,0) at rwsleep+0x11b sys/kern/kern_synch.c:313 thrsleep(ffff800020dd64f8,ffff800020e92610) at thrsleep+0x3f2 sys/kern/kern_synch.c:736 sys___thrsleep(ffff800020dd64f8,ffff800020e92610,ffff800020e92660) at sys___thrsleep+0xb5 sys/kern/kern_synch.c:777 syscall(ffff800020e926e0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e926e0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc000049dd8, count: -13