panic: mutex process lock not owned at /syzkaller/managers/i386/kernel/sys/kern/kern_time.c:261 cpuid = 1 time = 1580862817 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0022d8c8b0 vpanic() at vpanic+0x1ce/frame 0xfffffe0022d8c920 panic() at panic+0x43/frame 0xfffffe0022d8c980 __mtx_assert() at __mtx_assert+0x196/frame 0xfffffe0022d8c9c0 kern_thread_cputime() at kern_thread_cputime+0xaa/frame 0xfffffe0022d8ca10 kern_clock_gettime() at kern_clock_gettime+0x277/frame 0xfffffe0022d8ca70 freebsd32_clock_gettime() at freebsd32_clock_gettime+0x25/frame 0xfffffe0022d8cab0 ia32_syscall() at ia32_syscall+0x48c/frame 0xfffffe0022d8cbf0 int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0x8142581 KDB: enter: panic [ thread pid 2300 tid 101154 ] 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 0xfffffe0027a00000 rdx 0x3ffff rbx 0 rsp 0xfffffe0022d8c890 rbp 0xfffffe0022d8c8b0 rsi 0x40001 rdi 0xffffffff810ba616 vprintf+0x176 r8 0 r9 0xffffffff r10 0 r11 0xfffff800293cbbd0 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 2300 (syz-executor.3) at 0xfffff8003aeed000: state: NORMAL uid: 0 gids: 0, 0, 5 parent: pid 777 at 0xfffff8003a63aa60 ABI: FreeBSD ELF32 arguments: /root/syz-executor.3 reaper: 0xfffff80003300a60 reapsubtree: 1 sigparent: 20 vmspace: 0xfffff8003ad37000 (map 0xfffff8003ad37000) (map.pmap 0xfffff8003ad370c0) (pmap 0xfffff8003ad37120) threads: 3 100184 Run CPU 0 syz-executor.3 100144 S fifoor 0xfffff80003a98828 syz-executor.3 101154 Run CPU 1 syz-executor.3 db> ps pid ppid pgrp uid state wmesg wchan cmd 2300 777 777 0 R (threaded) syz-executor.3 100184 Run CPU 0 syz-executor.3 100144 S fifoor 0xfffff80003a98828 syz-executor.3 101154 Run CPU 1 syz-executor.3 2299 771 771 0 R (threaded) syz-executor.1 100083 RunQ syz-executor.1 100133 S connec 0xfffff80003e270f0 syz-executor.1 100153 S connec 0xfffff80003e260f0 syz-executor.1 100146 S connec 0xfffff80003ea8b88 syz-executor.1 2298 770 770 0 R (threaded) syz-executor.0 100245 RunQ syz-executor.0 100149 S accept 0xfffff80003eacc00 syz-executor.0 101153 S uwait 0xfffff800290a1280 syz-executor.0 2296 772 772 0 S (threaded) syz-executor.2 100863 S nanslp 0xffffffff824feca1 syz-executor.2 100129 S accept 0xfffff80003e24c00 syz-executor.2 100138 S uwait 0xfffff80003da2280 syz-executor.2 1963 1957 1963 0 Ss select 0xfffff8002909cec0 dhclient 1960 1 1960 0 Ss select 0xfffff8002909c740 dhclient 1957 1950 422 65 S select 0xfffff80003da3d40 dhclient 1950 422 422 0 S wait 0xfffff8003aeed530 sh 1941 1 1941 65 Ss select 0xfffff80003da3cc0 dhclient 1454 1 1454 0 Ss select 0xfffff8002909ce40 dhclient 1451 1 1451 0 Ss select 0xfffff8002909cdc0 dhclient 1431 1 1431 65 Ss select 0xfffff8002909cf40 dhclient 1023 1 1023 0 Ss select 0xfffff80003da2b40 dhclient 1020 1 1020 0 Ss select 0xfffff80003da3c40 dhclient 777 768 777 0 Ss nanslp 0xffffffff824feca1 syz-executor.3 772 768 772 0 Ss nanslp 0xffffffff824feca1 syz-executor.2 771 768 771 0 Ss nanslp 0xffffffff824feca1 syz-executor.1 770 768 770 0 Ss nanslp 0xffffffff824feca1 syz-executor.0 768 766 766 0 S (threaded) syz-fuzzer 100091 S uwait 0xfffff80003a48b80 syz-fuzzer 100105 S uwait 0xfffff80003a45400 syz-fuzzer 100106 S uwait 0xfffff80003a45500 syz-fuzzer 100107 S uwait 0xfffff80003a45600 syz-fuzzer 100108 S uwait 0xfffff80003da2f00 syz-fuzzer 100109 S kqread 0xfffff800031fb700 syz-fuzzer 100110 S uwait 0xfffff80003a45700 syz-fuzzer 100111 S uwait 0xfffff80003a45800 syz-fuzzer 100112 S uwait 0xfffff80003da7180 syz-fuzzer 100113 S uwait 0xfffff80003a45900 syz-fuzzer 766 764 766 0 Ss pause 0xfffff8003a63fb08 csh 764 680 764 0 Ss select 0xfffff80003da26c0 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 0xfffff80003da2740 sshd 493 1 493 0 Ss select 0xfffff80003da2c40 syslogd 422 1 422 0 Ss wait 0xfffff80003dd5a60 devd 421 1 421 65 Ss select 0xfffff80003da2a40 dhclient 336 1 336 0 Ss select 0xfffff80003da2ac0 dhclient 333 1 333 0 Ss select 0xfffff80003da7840 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] 100070 D - 0xffffffff8200a980 [bufspacedaemon-0] 100081 D sdflush 0xfffff80003cc94e8 [/ worker] 18 0 0 0 DL psleep 0xffffffff825f00c8 [vmdaemon] 17 0 0 0 DL (threaded) [pagedaemon] 100063 D psleep 0xffffffff8261cfd8 [dom0] 100067 D launds 0xffffffff8261cfe4 [laundry: dom0] 100069 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 Process 2300 (syz-executor.3) thread 0xfffff8003aaf66e0 (100184) exclusive sleep mutex umtxql (umtxql) r = 0 (0xffffffff825112a0) locked @ /syzkaller/managers/i386/kernel/sys/kern/kern_umtx.c:507 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 1939 vfscache 4 1025K 4 inodedep 184 604K 2602 pcb 30 537K 1181 ufs_quota 1 512K 1 vfs_hash 1 512K 1 callout 2 512K 2 intr 4 388K 4 subproc 141 277K 2383 acpica 1674 185K 49750 vnet_data 1 168K 1 filedesc 21 149K 2739 pagedep 10 131K 1402 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 cred 200 50K 1019 dirrem 169 43K 2243 umtx 336 42K 336 kdtrace 186 36K 7787 gtaskqueue 22 34K 22 hostcache 1 32K 1 shm 1 32K 122 DEVFS3 124 31K 134 msg 4 30K 4 DEVFS_RULE 56 27K 56 ifaddr 73 25K 75 kbdmux 6 22K 6 freefile 170 22K 2241 vmem 3 19K 5 temp 34 17K 2264 ufs_mount 3 17K 4 lltable 45 17K 63 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 bmsafemap 3 9K 2469 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 sctp_timw 30 8K 30 audit_evclass 231 8K 289 CAM DEV 3 6K 510 kqueue 61 6K 2307 plimit 23 6K 629 vt 11 6K 11 sglist 5 6K 5 CAM queue 5 6K 1528 DEVFSP 76 5K 80 ufs_dirhash 24 5K 24 select 36 5K 36 taskqueue 42 5K 42 memdesc 1 4K 1 MCA 32 4K 32 evdev 4 4K 4 kcovinfo 64 4K 68 session 31 4K 47 pgrp 31 4K 47 UMA 236 4K 236 hhook 13 4K 13 lockf 28 3K 47 acpisem 22 3K 22 terminal 11 3K 11 proc-args 50 3K 635 uidinfo 6 3K 7 sctp_ifa 17 3K 17 local_apic 1 2K 1 io_apic 1 2K 1 ipsec-saq 2 2K 2 ip6ndp 12 2K 21 Unitno 30 2K 4233 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 freework 5 2K 1363 softdep 1 1K 1 mkdir 8 1K 2710 freeblks 4 1K 1362 ipsecpolicy 1 1K 1 sahead 1 1K 1 secasvar 1 1K 1 clone 8 1K 8 vnodemarker 2 1K 408 NFSD session 1 1K 1 CAM periph 4 1K 271 diradd 6 1K 2282 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 newdirblk 4 1K 1355 inpcbpolicy 16 1K 1798 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 2 1K 558 NFSD lckfile 1 1K 1 NFSD V4client 1 1K 1 DEVFS 9 1K 10 feeder 7 1K 7 loginclass 3 1K 3 soname 7 1K 6961 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 nexusdev 5 1K 5 entropy 2 1K 41 tcpfunc 1 1K 1 sctp_vrf 1 1K 1 vnet 1 1K 1 acpiintr 1 1K 1 pmc 1 1K 1 filecaps 4 1K 108 cpus 2 1K 2 vnet_data_free 1 1K 1 Per-cpu 1 1K 1 p1003.1b 1 1K 1 CAM CCB 0 0K 5018 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 1634 sentinel 0 0K 0 jfsync 0 0K 0 jtrunc 0 0K 0 sbdep 0 0K 208 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 6 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 100 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_athm 0 0K 203 sctp_atky 0 0K 268 sctp_atcl 0 0K 203 sctp_a_it 0 0K 10 sctp_aadr 0 0K 0 sctp_stro 0 0K 65 sctp_stri 0 0K 0 sctp_map 0 0K 130 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 1536 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 135 accf 0 0K 0 pts 0 0K 0 iov 0 0K 15427 ioctlops 0 0K 131 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 649 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 9 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