panic: mutex process lock not owned at /syzkaller/managers/i386/kernel/sys/kern/kern_time.c:261 cpuid = 1 time = 1580868764 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00245968b0 vpanic() at vpanic+0x1ce/frame 0xfffffe0024596920 panic() at panic+0x43/frame 0xfffffe0024596980 __mtx_assert() at __mtx_assert+0x196/frame 0xfffffe00245969c0 kern_thread_cputime() at kern_thread_cputime+0xaa/frame 0xfffffe0024596a10 kern_clock_gettime() at kern_clock_gettime+0x277/frame 0xfffffe0024596a70 freebsd32_clock_gettime() at freebsd32_clock_gettime+0x25/frame 0xfffffe0024596ab0 ia32_syscall() at ia32_syscall+0x48c/frame 0xfffffe0024596bf0 int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0x8142581 KDB: enter: panic [ thread pid 2298 tid 100950 ] 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 0xfffffe002ae00000 rdx 0x3ffff rbx 0 rsp 0xfffffe0024596890 rbp 0xfffffe00245968b0 rsi 0x40001 rdi 0xffffffff810ba616 vprintf+0x176 r8 0 r9 0xffffffff r10 0 r11 0xfffff8003adb1bd0 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 2298 (syz-executor.1) at 0xfffff80003dffa60: state: NORMAL uid: 0 gids: 0, 0, 5 parent: pid 771 at 0xfffff8003a523530 ABI: FreeBSD ELF32 arguments: /root/syz-executor.1 reaper: 0xfffff80003300a60 reapsubtree: 1 sigparent: 20 vmspace: 0xfffff8003a50a000 (map 0xfffff8003a50a000) (map.pmap 0xfffff8003a50a0c0) (pmap 0xfffff8003a50a120) threads: 3 100085 RunQ syz-executor.1 100940 S select 0xfffff80003d7f640 syz-executor.1 100950 Run CPU 1 syz-executor.1 db> ps pid ppid pgrp uid state wmesg wchan cmd 2298 771 771 0 R (threaded) syz-executor.1 100085 RunQ syz-executor.1 100940 S select 0xfffff80003d7f640 syz-executor.1 100950 Run CPU 1 syz-executor.1 2297 773 773 0 S (threaded) syz-executor.3 100073 S nanslp 0xffffffff824feca0 syz-executor.3 100939 S select 0xfffff8003acdab40 syz-executor.3 100945 S uwait 0xfffff80003a46480 syz-executor.3 2296 787 787 0 S (threaded) syz-executor.2 100090 S nanslp 0xffffffff824feca0 syz-executor.2 100936 S select 0xfffff80003d7f3c0 syz-executor.2 100938 S uwait 0xfffff8003acda100 syz-executor.2 2294 770 770 0 S (threaded) syz-executor.0 100371 S nanslp 0xffffffff824feca0 syz-executor.0 100934 S uwait 0xfffff8003acda300 syz-executor.0 100942 S pipdwt 0xfffff80003d83be0 syz-executor.0 100944 S uwait 0xfffff80003a46a00 syz-executor.0 2228 2222 2228 0 Ss select 0xfffff80003d963c0 dhclient 2225 1 2225 0 Ss select 0xfffff80003d7f1c0 dhclient 2222 2215 422 65 S select 0xfffff80003d7fe40 dhclient 2215 422 422 0 S wait 0xfffff80003b15000 sh 2205 1 2205 65 Ss select 0xfffff80003d7f740 dhclient 1385 1 1385 0 Ss select 0xfffff8003acda3c0 dhclient 1382 1 1382 0 Ss select 0xfffff80003a45040 dhclient 1357 1 1357 65 Ss select 0xfffff80003da4840 dhclient 811 1 811 0 Ss select 0xfffff80003d96640 dhclient 806 1 806 0 Ss select 0xfffff80003d965c0 dhclient 787 768 787 0 Ss nanslp 0xffffffff824feca0 syz-executor.2 773 768 773 0 Ss nanslp 0xffffffff824feca0 syz-executor.3 771 768 771 0 Ss nanslp 0xffffffff824feca0 syz-executor.1 770 768 770 0 Ss nanslp 0xffffffff824feca0 syz-executor.0 768 766 766 0 S (threaded) syz-fuzzer 100107 S uwait 0xfffff80003a45800 syz-fuzzer 100108 S uwait 0xfffff80003a45900 syz-fuzzer 100109 S uwait 0xfffff80003a45a00 syz-fuzzer 100110 S uwait 0xfffff80003a45b00 syz-fuzzer 100111 S uwait 0xfffff80003a45c00 syz-fuzzer 100112 S uwait 0xfffff80003a45d00 syz-fuzzer 100113 S uwait 0xfffff80003a45200 syz-fuzzer 100114 S uwait 0xfffff80003a45300 syz-fuzzer 100115 S kqread 0xfffff80003cf5b00 syz-fuzzer 100116 S uwait 0xfffff80003da2580 syz-fuzzer 766 764 766 0 Ss pause 0xfffff8003a51d0a8 csh 764 680 764 0 Ss select 0xfffff80003d96ec0 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 0xfffff80003a45dc0 sshd 493 1 493 0 Ss select 0xfffff80003a45e40 syslogd 422 1 422 0 Ss wait 0xfffff80003e05530 devd 421 1 421 65 Ss select 0xfffff80003a45ec0 dhclient 336 1 336 0 Ss select 0xfffff80003da48c0 dhclient 333 1 333 0 Ss select 0xfffff80003da26c0 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] 100081 D sdflush 0xfffff80003d024e8 [/ 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 15 1028K 2020 vfscache 4 1025K 4 inodedep 322 673K 1528 pcb 28 539K 1333 ufs_quota 1 512K 1 vfs_hash 1 512K 1 callout 2 512K 2 intr 4 388K 4 subproc 141 277K 2381 acpica 1674 185K 49750 vnet_data 1 168K 1 filedesc 21 149K 2905 pagedep 10 131K 1459 tfo_ccache 1 128K 1 sem 4 106K 4 DEVFS1 105 105K 122 linker 222 89K 253 bus 972 79K 3332 dirrem 311 78K 1456 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 324 41K 324 freefile 311 39K 1452 kdtrace 186 36K 7534 shm 2 34K 4 gtaskqueue 22 34K 22 hostcache 1 32K 1 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 temp 34 17K 2077 ufs_mount 3 17K 4 lltable 45 17K 47 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 cred 40 10K 289 pfs_nodes 20 10K 20 GEOM 60 10K 487 rman 82 10K 423 bmsafemap 2 9K 1495 devstat 4 9K 4 UART 12 9K 12 rpc 2 8K 2 sctp_timw 32 8K 32 shmfd 1 8K 1 pfs_vncache 1 8K 1 select 63 8K 63 routetbl 58 8K 62 audit_evclass 231 8K 289 CAM DEV 3 6K 510 kqueue 61 6K 2303 plimit 23 6K 409 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 43 pgrp 31 4K 43 UMA 236 4K 236 hhook 13 4K 13 lockf 28 3K 47 acpisem 22 3K 22 terminal 11 3K 11 proc-args 50 3K 601 uidinfo 5 3K 6 sctp_ifa 17 3K 17 freework 9 3K 1450 local_apic 1 2K 1 io_apic 1 2K 1 freeblks 8 2K 1449 ipsec-saq 2 2K 2 ip6ndp 12 2K 21 Unitno 30 2K 3735 CAM XPT 22 2K 543 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 2884 ipsecpolicy 1 1K 1 sahead 1 1K 1 secasvar 1 1K 1 sctp_atcl 2 1K 852 sctp_stro 1 1K 385 clone 8 1K 8 vnodemarker 2 1K 18 NFSD session 1 1K 1 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 diradd 5 1K 1494 CAM SIM 2 1K 2 newdirblk 4 1K 1442 pfil 4 1K 4 chacha20random 1 1K 1 epoch 4 1K 4 cdev 2 1K 2 encap_export_host 8 1K 8 inpcbpolicy 12 1K 575 osd 3 1K 9 vnodes 1 1K 2 NFSD lckfile 1 1K 1 NFSD V4client 1 1K 1 DEVFS 9 1K 10 feeder 7 1K 7 loginclass 3 1K 3 CAM path 4 1K 1034 apmdev 1 1K 1 atkbddev 2 1K 2 sctp_atky 3 1K 1237 pmchooks 1 1K 1 prison 4 1K 4 CAM dev queue 2 1K 2 CAM I/O Scheduler 1 1K 1 soname 4 1K 6488 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 90 cpus 2 1K 2 sctp_athm 2 1K 852 sctp_map 2 1K 770 vnet_data_free 1 1K 1 Per-cpu 1 1K 1 p1003.1b 1 1K 1 CAM CCB 0 0K 2038 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 1002 sentinel 0 0K 0 jfsync 0 0K 0 jtrunc 0 0K 0 sbdep 0 0K 8 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 3 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 512 sctp_iter 0 0K 9 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 9 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 1616 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 123 accf 0 0K 0 pts 0 0K 0 iov 0 0K 14605 ioctlops 0 0K 125 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 641 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 1 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