panic: mutex process lock not owned at /syzkaller/managers/i386/kernel/sys/kern/kern_time.c:261 cpuid = 1 time = 1580869140 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00245328b0 vpanic() at vpanic+0x1ce/frame 0xfffffe0024532920 panic() at panic+0x43/frame 0xfffffe0024532980 __mtx_assert() at __mtx_assert+0x196/frame 0xfffffe00245329c0 kern_thread_cputime() at kern_thread_cputime+0xaa/frame 0xfffffe0024532a10 kern_clock_gettime() at kern_clock_gettime+0x277/frame 0xfffffe0024532a70 freebsd32_clock_gettime() at freebsd32_clock_gettime+0x25/frame 0xfffffe0024532ab0 ia32_syscall() at ia32_syscall+0x48c/frame 0xfffffe0024532bf0 int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0x8142581 KDB: enter: panic [ thread pid 2545 tid 100839 ] Stopped at kdb_enter+0x67: movq $0,0x14669d6(%rip) db> db> set $lines = 0 db> set $maxwidth = 0 db> show registers cs 0x20 ds 0x3b ll+0x1a es 0x3b ll+0x1a fs 0x13 gs 0x1b ss 0 rax 0x12 rcx 0xfffffe0025000000 rdx 0x3ffff rbx 0 rsp 0xfffffe0024532890 rbp 0xfffffe00245328b0 rsi 0x40001 rdi 0xffffffff810ba616 vprintf+0x176 r8 0 r9 0xffffffff r10 0 r11 0xfffff8003ad78bd0 r12 0xffffffff82068d90 ddb_dbbe r13 0 r14 0xffffffff81938d3c r15 0xffffffff81938d3c rip 0xffffffff810af6c7 kdb_enter+0x67 rflags 0x200086 kernphys+0x86 kdb_enter+0x67: movq $0,0x14669d6(%rip) db> show proc Process 2545 (syz-executor.0) at 0xfffff8003afc6000: state: NORMAL uid: 0 gids: 0, 0, 5 parent: pid 768 at 0xfffff80003ded000 ABI: FreeBSD ELF32 arguments: /root/syz-executor.0 reaper: 0xfffff80003300a60 reapsubtree: 1 sigparent: 20 vmspace: 0xfffff80003ddf000 (map 0xfffff80003ddf000) (map.pmap 0xfffff80003ddf0c0) (pmap 0xfffff80003ddf120) threads: 3 101014 RunQ syz-executor.0 100838 S uwait 0xfffff80034107900 syz-executor.0 100839 Run CPU 1 syz-executor.0 db> ps pid ppid pgrp uid state wmesg wchan cmd 2545 768 768 0 R (threaded) syz-executor.0 101014 RunQ syz-executor.0 100838 S uwait 0xfffff80034107900 syz-executor.0 100839 Run CPU 1 syz-executor.0 2544 793 793 0 S (threaded) syz-executor.2 100099 S nanslp 0xffffffff824feca1 syz-executor.2 100832 S uwait 0xfffff80003d98200 syz-executor.2 100840 S uwait 0xfffff80003a46000 syz-executor.2 2542 769 769 0 R (threaded) syz-executor.1 101016 Run CPU 0 syz-executor.1 100828 RunQ syz-executor.1 100834 S uwait 0xfffff80003d85a80 syz-executor.1 2541 803 803 0 S (threaded) syz-executor.3 101164 S nanslp 0xffffffff824feca1 syz-executor.3 100808 S accept 0xfffff80003eddc00 syz-executor.3 100825 S accept 0xfffff80003e734f0 syz-executor.3 100819 S uwait 0xfffff80003579d80 syz-executor.3 2289 2281 2289 0 Ss select 0xfffff80003a46a40 dhclient 2285 1 2285 0 Ss select 0xfffff80003a46ac0 dhclient 2281 2272 422 65 S select 0xfffff800341077c0 dhclient 2272 422 422 0 S wait 0xfffff8003aebd000 sh 2260 1 2260 65 Ss select 0xfffff80003d859c0 dhclient 1699 1 1699 0 Ss select 0xfffff80034107740 dhclient 1696 1 1696 0 Ss select 0xfffff80003d98ec0 dhclient 1677 1 1677 65 Ss select 0xfffff80034107840 dhclient 1032 1 1032 0 Ss select 0xfffff80003d98f40 dhclient 1029 1 1029 0 Ss select 0xfffff80003579bc0 dhclient 803 766 803 0 Ss nanslp 0xffffffff824feca1 syz-executor.3 793 766 793 0 Ss nanslp 0xffffffff824feca0 syz-executor.2 769 766 769 0 Ss nanslp 0xffffffff824feca0 syz-executor.1 768 766 768 0 Ss nanslp 0xffffffff824feca0 syz-executor.0 766 764 764 0 S (threaded) syz-fuzzer 100074 S uwait 0xfffff80003578400 syz-fuzzer 100105 S uwait 0xfffff80003a48480 syz-fuzzer 100106 S uwait 0xfffff800031bd980 syz-fuzzer 100107 S uwait 0xfffff80003a45980 syz-fuzzer 100108 S kqread 0xfffff80003cf8500 syz-fuzzer 100109 S uwait 0xfffff80003d88780 syz-fuzzer 100110 S uwait 0xfffff80003a45a80 syz-fuzzer 100111 S uwait 0xfffff80003a45b80 syz-fuzzer 100112 S uwait 0xfffff80003a45c80 syz-fuzzer 100113 S uwait 0xfffff80003a45d80 syz-fuzzer 100775 S uwait 0xfffff80034107580 syz-fuzzer 764 762 764 0 Ss pause 0xfffff8003a61bb08 csh 762 680 762 0 Ss select 0xfffff80003d88840 sshd 746 1 746 0 Ss+ ttyin 0xfffff800034384b0 getty 745 1 745 0 Ss+ ttyin 0xfffff80003b388b0 getty 744 1 744 0 Ss+ ttyin 0xfffff80003b38cb0 getty 743 1 743 0 Ss+ ttyin 0xfffff80003b370b0 getty 742 1 742 0 Ss+ ttyin 0xfffff80003b374b0 getty 741 1 741 0 Ss+ ttyin 0xfffff80003b378b0 getty 740 1 740 0 Ss+ ttyin 0xfffff80003b37cb0 getty 739 1 739 0 Ss+ ttyin 0xfffff80003b3a0b0 getty 738 1 738 0 Ss+ ttyin 0xfffff80003b3a4b0 getty 684 1 684 0 Ss nanslp 0xffffffff824feca1 cron 680 1 680 0 Ss select 0xfffff80003d880c0 sshd 493 1 493 0 Ss select 0xfffff80003d88140 syslogd 422 1 422 0 Ss wait 0xfffff80003b15530 devd 421 1 421 65 Ss select 0xfffff80003d88ac0 dhclient 336 1 336 0 Ss select 0xfffff80003d788c0 dhclient 333 1 333 0 Ss select 0xfffff80003d88b40 dhclient 21 0 0 0 DL vlruwt 0xfffff80003b15a60 [vnlru] 20 0 0 0 DL syncer 0xffffffff825d5158 [syncer] 19 0 0 0 DL (threaded) [bufdaemon] 100065 D qsleep 0xffffffff825d4658 [bufdaemon] 100066 D - 0xffffffff8200a980 [bufspacedaemon-0] 100080 D sdflush 0xfffff80003d004e8 [/ worker] 18 0 0 0 DL psleep 0xffffffff825f00c8 [vmdaemon] 17 0 0 0 DL (threaded) [pagedaemon] 100063 D psleep 0xffffffff8261cfd8 [dom0] 100069 D launds 0xffffffff8261cfe4 [laundry: dom0] 100070 D umarcl 0xffffffff8153f880 [uma] 16 0 0 0 DL - 0xffffffff82359530 [rand_harvestq] 15 0 0 0 DL waiting 0xffffffff826625a0 [sctp_iterator] 9 0 0 0 DL - 0xffffffff825d405c [soaiod4] 8 0 0 0 DL - 0xffffffff825d405c [soaiod3] 7 0 0 0 DL - 0xffffffff825d405c [soaiod2] 6 0 0 0 DL - 0xffffffff825d405c [soaiod1] 5 0 0 0 DL (threaded) [cam] 100031 D - 0xffffffff82234940 [doneq0] 100062 D - 0xffffffff82234808 [scanner] 4 0 0 0 DL crypto_ 0xfffff80003338190 [crypto returns 1] 3 0 0 0 DL crypto_ 0xfffff80003338130 [crypto returns 0] 2 0 0 0 DL crypto_ 0xffffffff825ea138 [crypto] 14 0 0 0 DL seqstat 0xfffff8000337a088 [sequencer 00] 13 0 0 0 DL (threaded) [geom] 100022 D - 0xffffffff8261b608 [g_event] 100023 D - 0xffffffff8261b618 [g_up] 100024 D - 0xffffffff8261b610 [g_down] 12 0 0 0 WL (threaded) [intr] 100006 I [swi5: fast taskq] 100010 I [swi6: task queue] 100011 I [swi6: Giant taskq] 100017 I [swi3: vm] 100018 I [swi4: clock (0)] 100019 I [swi4: clock (1)] 100020 I [swi1: netisr 0] 100032 I [irq24: virtio_pci0] 100033 I [irq25: virtio_pci0] 100034 I [irq26: virtio_pci0] 100035 I [irq27: virtio_pci0] 100036 I [irq28: virtio_pci1] 100037 I [irq29: virtio_pci1] 100038 I [irq30: virtio_pci1] 100039 I [irq31: virtio_pci1] 100040 I [irq32: virtio_pci1] 100045 I [irq10: virtio_pci2] 100047 I [irq1: atkbd0] 100048 I [irq12: psm0] 100049 I [swi0: uart uart++] 11 0 0 0 RL (threaded) [idle] 100003 CanRun [idle: cpu0] 100004 CanRun [idle: cpu1] 1 0 1 0 SLs wait 0xfffff80003300a60 [init] 10 0 0 0 DL audit_w 0xffffffff82663230 [audit] 0 0 0 0 DLs (threaded) [kernel] 100000 D swapin 0xffffffff82609c48 [swapper] 100005 D - 0xfffff80003200b00 [thread taskq] 100007 D - 0xfffff80003200700 [kqueue_ctx taskq] 100008 D - 0xfffff800031fc000 [config_0] 100009 D - 0xfffff80003200400 [aiod_kick taskq] 100012 D - 0xfffff800031fbe00 [if_config_tqg_0] 100013 D - 0xfffff800031fbd00 [if_io_tqg_0] 100014 D - 0xfffff800031fbc00 [if_io_tqg_1] 100015 D - 0xfffff800031fbb00 [softirq_0] 100016 D - 0xfffff800031fba00 [softirq_1] 100021 D - 0xfffff800031ff400 [firmware taskq] 100026 D - 0xfffff800031fed00 [crypto_0] 100027 D - 0xfffff800031fed00 [crypto_1] 100041 D - 0xfffff800031fe000 [vtnet0 rxq 0] 100042 D - 0xfffff800031fde00 [vtnet0 txq 0] 100043 D - 0xfffff800031fdd00 [vtnet0 rxq 1] 100044 D - 0xfffff800031fdc00 [vtnet0 txq 1] 100046 D vtbslp 0xfffff80003579880 [virtio_balloon] 100050 D - 0xfffff8000380ce00 [mca taskq] 100054 D - 0xffffffff81cdce21 [deadlkres] 100057 D - 0xfffff80003a50700 [acpi_task_0] 100058 D - 0xfffff80003a50700 [acpi_task_1] 100059 D - 0xfffff80003a50700 [acpi_task_2] 100061 D - 0xfffff800031fe600 [CAM taskq] db> show all locks db> show malloc Type InUse MemUse Requests devbuf 4213 4851K 4241 vtbuf 24 1968K 46 sysctloid 26737 1565K 26801 kobj 332 1328K 488 newblk 13 1027K 2183 vfscache 4 1025K 4 inodedep 85 554K 1699 pcb 35 542K 2178 ufs_quota 1 512K 1 vfs_hash 1 512K 1 callout 2 512K 2 intr 4 388K 4 subproc 141 277K 2628 acpica 1674 185K 49750 vnet_data 1 168K 1 filedesc 21 149K 3245 pagedep 12 131K 1623 tfo_ccache 1 128K 1 sem 4 106K 4 DEVFS1 105 105K 122 linker 222 89K 253 bus 972 79K 3332 mtx_pool 2 72K 2 BPF 38 71K 38 syncache 1 68K 1 acpitask 1 64K 1 ddb_capture 1 64K 1 module 494 62K 494 umtx 336 42K 336 kdtrace 187 36K 7926 gtaskqueue 22 34K 22 hostcache 1 32K 1 shm 1 32K 5 DEVFS3 124 31K 134 msg 4 30K 4 DEVFS_RULE 56 27K 56 ifaddr 73 25K 75 kbdmux 6 22K 6 vmem 3 19K 4 dirrem 75 19K 1623 lltable 47 18K 100 temp 34 17K 2146 ufs_mount 3 17K 4 proc 3 17K 3 tty 16 16K 16 tidhash 1 16K 1 ithread 89 15K 89 ether_multi 172 14K 177 bus-sc 30 14K 1394 KTRACE 100 13K 100 ifnet 7 13K 7 kenv 95 12K 99 in6_multi 89 11K 89 eventhandler 122 11K 122 pfs_nodes 20 10K 20 GEOM 60 10K 487 rman 82 10K 423 freefile 76 10K 1621 bmsafemap 2 9K 1663 devstat 4 9K 4 UART 12 9K 12 rpc 2 8K 2 shmfd 1 8K 1 pfs_vncache 1 8K 1 routetbl 58 8K 62 cred 31 8K 246 audit_evclass 231 8K 289 sctp_timw 28 7K 28 CAM DEV 3 6K 510 kqueue 61 6K 2552 plimit 23 6K 379 vt 11 6K 11 sglist 5 6K 5 CAM queue 5 6K 1528 DEVFSP 76 5K 80 ufs_dirhash 24 5K 24 taskqueue 42 5K 42 memdesc 1 4K 1 MCA 32 4K 32 evdev 4 4K 4 kcovinfo 64 4K 68 session 31 4K 44 pgrp 31 4K 44 UMA 236 4K 236 select 28 4K 28 hhook 13 4K 13 lockf 27 3K 73 acpisem 22 3K 22 terminal 11 3K 11 proc-args 50 3K 624 uidinfo 4 3K 4 sctp_ifa 17 3K 17 freework 9 3K 1616 local_apic 1 2K 1 io_apic 1 2K 1 freeblks 8 2K 1615 ipsec-saq 2 2K 2 ip6ndp 12 2K 21 Unitno 30 2K 3529 CAM XPT 22 2K 543 sctp_atcl 3 2K 252 in_multi 6 2K 7 acpidev 20 2K 20 crypto 2 2K 2 msi 9 2K 9 tun 7 2K 7 softdep 1 1K 1 mkdir 8 1K 3216 ipsecpolicy 1 1K 1 sahead 1 1K 1 secasvar 1 1K 1 sctp_stro 1 1K 63 clone 8 1K 8 vnodemarker 2 1K 24 NFSD session 1 1K 1 newdirblk 7 1K 1608 CAM periph 4 1K 271 mld 6 1K 6 sctp_ifn 6 1K 6 igmp 6 1K 6 toponodes 6 1K 6 isadev 6 1K 6 mount 16 1K 86 pci_link 10 1K 10 CAM SIM 2 1K 2 diradd 4 1K 1660 inpcbpolicy 16 1K 2194 pfil 4 1K 4 chacha20random 1 1K 1 epoch 4 1K 4 cdev 2 1K 2 encap_export_host 8 1K 8 osd 3 1K 9 vnodes 1 1K 1 NFSD lckfile 1 1K 1 NFSD V4client 1 1K 1 DEVFS 9 1K 10 feeder 7 1K 7 loginclass 3 1K 3 sctp_atky 4 1K 315 CAM path 4 1K 1034 apmdev 1 1K 1 atkbddev 2 1K 2 pmchooks 1 1K 1 prison 4 1K 4 CAM dev queue 2 1K 2 CAM I/O Scheduler 1 1K 1 soname 4 1K 7512 nexusdev 5 1K 5 entropy 2 1K 40 tcpfunc 1 1K 1 sctp_vrf 1 1K 1 vnet 1 1K 1 acpiintr 1 1K 1 pmc 1 1K 1 filecaps 4 1K 104 sctp_athm 3 1K 252 cpus 2 1K 2 sctp_map 2 1K 126 vnet_data_free 1 1K 1 Per-cpu 1 1K 1 p1003.1b 1 1K 1 CAM CCB 0 0K 2099 madt_table 0 0K 2 PUC 0 0K 0 ppbusdev 0 0K 0 agtiapi_MemAlloc malloc 0 0K 0 osti_cacheable 0 0K 0 tempbuff 0 0K 0 tempbuff 0 0K 0 pvscsi 0 0K 0 smartpqi 0 0K 0 ag_tgt_map_t malloc 0 0K 0 ag_slr_map_t malloc 0 0K 0 lDevFlags * malloc 0 0K 0 tiDeviceHandle_t * malloc 0 0K 0 ag_portal_data_t malloc 0 0K 0 ag_device_t malloc 0 0K 0 STLock malloc 0 0K 0 CCB List 0 0K 0 iavf 0 0K 0 ixl 0 0K 0 sr_iov 0 0K 0 OCS 0 0K 0 OCS 0 0K 0 nvme 0 0K 0 nvd 0 0K 0 netmap 0 0K 0 mwldev 0 0K 0 MVS driver 0 0K 0 fpukern_ctx 0 0K 0 xen_intr 0 0K 0 CAM ccb queue 0 0K 0 xen_hvm 0 0K 0 legacydrv 0 0K 0 qpidrv 0 0K 0 mrsasbuf 0 0K 0 mpt_user 0 0K 0 dmar_idpgtbl 0 0K 0 dmar_dom 0 0K 0 dmar_ctx 0 0K 0 dmar_dmamap 0 0K 0 mps_user 0 0K 0 MPSSAS 0 0K 0 isci 0 0K 0 bxe_ilt 0 0K 0 xenbus 0 0K 0 vm_fictitious 0 0K 0 mps 0 0K 0 mpr_user 0 0K 0 MPRSAS 0 0K 0 UMAHash 0 0K 0 vm_pgdata 0 0K 0 jblocks 0 0K 0 savedino 0 0K 1393 sentinel 0 0K 0 jfsync 0 0K 0 jtrunc 0 0K 0 sbdep 0 0K 11 jsegdep 0 0K 0 jseg 0 0K 0 jfreefrag 0 0K 0 jfreeblk 0 0K 0 jnewblk 0 0K 0 jmvref 0 0K 0 jremref 0 0K 0 jaddref 0 0K 0 freedep 0 0K 0 freefrag 0 0K 5 allocindir 0 0K 0 indirdep 0 0K 10 allocdirect 0 0K 0 ufs_trim 0 0K 0 mactemp 0 0K 0 audit_trigger 0 0K 0 audit_pipe_presel 0 0K 0 audit_pipeent 0 0K 0 audit_pipe 0 0K 0 audit_evname 0 0K 0 audit_bsm 0 0K 0 audit_gidset 0 0K 0 audit_text 0 0K 0 audit_path 0 0K 0 audit_data 0 0K 0 audit_cred 0 0K 0 xform 0 0K 0 NLM 0 0K 0 nfsclient_nlminfo 0 0K 0 nfsclient_lock 0 0K 0 NFS FHA 0 0K 0 ipsec-spdcache 0 0K 0 ipsec-reg 0 0K 0 ipsec-misc 0 0K 0 ipsecrequest 0 0K 0 ip6opt 0 0K 8 ip6_msource 0 0K 0 ip6_moptions 0 0K 0 in6_mfilter 0 0K 0 frag6 0 0K 0 tcplog 0 0K 0 LRO 0 0K 0 sctp_mcore 0 0K 0 sctp_socko 0 0K 164 sctp_iter 0 0K 10 sctp_mvrf 0 0K 0 sctp_cpal 0 0K 0 sctp_cmsg 0 0K 0 sctp_stre 0 0K 0 sctp_athi 0 0K 0 sctp_a_it 0 0K 10 sctp_aadr 0 0K 0 sctp_stri 0 0K 0 newreno data 0 0K 0 ip_msource 0 0K 0 ip_moptions 0 0K 0 in_mfilter 0 0K 0 ipid 0 0K 0 80211scan 0 0K 0 80211ratectl 0 0K 0 80211power 0 0K 0 80211nodeie 0 0K 0 80211node 0 0K 0 80211mesh_gt 0 0K 0 80211mesh_rt 0 0K 0 80211perr 0 0K 0 80211prep 0 0K 0 80211preq 0 0K 0 80211dfs 0 0K 0 80211crypto 0 0K 0 80211vap 0 0K 0 iflib 0 0K 0 vlan 0 0K 0 gif 0 0K 0 ifdescr 0 0K 0 zlib 0 0K 0 fadvise 0 0K 0 mpr 0 0K 0 statfs 0 0K 1787 export_host 0 0K 0 cl_savebuf 0 0K 2 biobuf 0 0K 0 aios 0 0K 0 lio 0 0K 0 acl 0 0K 0 mfibuf 0 0K 0 mbuf_tag 0 0K 170 accf 0 0K 0 pts 0 0K 0 iov 0 0K 15128 ioctlops 0 0K 147 Witness 0 0K 0 stack 0 0K 0 md_sectors 0 0K 0 sbuf 0 0K 288 md_disk 0 0K 0 compressor 0 0K 0 malodev 0 0K 0 SWAP 0 0K 0 LED 0 0K 0 sysctltmp 0 0K 643 sysctl 0 0K 1 ekcd 0 0K 0 dumper 0 0K 0 rctl 0 0K 0 ix_sriov 0 0K 0 aacraidcam 0 0K 0 ix 0 0K 0 ipsbuf 0 0K 0 iirbuf 0 0K 0 cache 0 0K 0 aacraid_buf 0 0K 0 prison_racct 0 0K 0 Fail Points 0 0K 0 sigio 0 0K 3 filedesc_to_leader 0 0K 0 tty console 0 0K 0 aaccam 0 0K 0 aacbuf 0 0K 0 zstd 0 0K 0 nvlist 0 0K 0 SCSI ENC 0 0K 0 SCSI sa 0 0K 0 isofs_node 0 0K 0 isofs_mount 0 0K 0 tr_raid5_data 0 0K 0 tr_raid1e_data 0 0K 0 tr_raid1_data 0 0K 0 tr_raid0_data 0 0K 0 tr_concat_data 0 0K 0 md_sii_data 0 0K 0 md_promise_data 0 0K 0 md_nvidia_data 0 0K 0 md_jmicron_data 0 0K 0 md_intel_data 0 0K 0 md_ddf_data 0 0K 0 raid_data 0 0K 72 geom_flashmap 0 0K 0 newnfsmnt 0 0K 0 newnfsclient_req 0 0K 0 NFSCL layrecall 0 0K 0 NFSCL session 0 0K 0 NFSCL sockreq 0 0K 0 NFSCL devinfo 0 0K 0 NFSCL flayout 0 0K 0 NFSCL layout 0 0K 0 NFSD rollback 0 0K 0 NFSCL diroffdiroff 0 0K 0 NEWdirectio 0 0K 0 NEWNFSnode 0 0K 0 NFSCL lck 0 0K 0 NFSCL lckown 0 0K 0 NFSCL client 0 0K 0 NFSCL deleg 0 0K 0 NFSCL open 0 0K 0 NFSCL owner 0 0K 0 NFS fh 0 0K 0 NFS req 0 0K 0 NFSD usrgroup 0 0K 0 NFSD string 0 0K 0 NFSD V4lock 0 0K 0 NFSD V4state 0 0K 0 NFSD srvcache 0 0K 0 msdosfs_fat 0 0K 0 msdosfs_mount 0 0K 0 msdosfs_node 0 0K 0 DEVFS4 0 0K 0 DEVFS2 0 0K 0 gntdev 0 0K 0 privcmd_dev 0 0K 0 evtchn_dev 0 0K 0 xenstore 0 0K 0 scsi_pass 0 0K 0 ciss_data 0 0K 0 xnb 0 0K 0 xbbd 0 0K 0 xbd 0 0K 0 Balloon 0 0K 0 sysmouse 0 0K 0 vtfont 0 0K 0 ath_hal 0 0K 0 athdev 0 0K 0 ata_pci 0 0K 0 ata_dma 0 0K 0 ata_generic 0 0K 0 amr 0 0K 0 scsi_da 0 0K 69 ata_da 0 0K 0 scsi_ch 0 0K 0 scsi_cd 0 0K 0 USBdev 0 0K 0 USB 0 0K 0 AHCI driver 0 0K 0 agp 0 0K 0 nvme_da 0 0K 0 acpipwr 0 0K 0 twsbuf 0 0K 0 twe_commands 0 0K 0 twa_commands 0 0K 0 tcp_log_dev 0 0K 0 midi buffers 0 0K 0 mixer 0 0K 0 ac97 0 0K 0 hdacc 0 0K 0 hdac 0 0K 0 hdaa 0 0K 0 acpi_perf 0 0K 0 acpicmbat 0 0K 0 SIIS driver 0 0K 0 db> show ktr No such command; use "help" to list available commands