panic: mutex process lock not owned at /syzkaller/managers/i386/kernel/sys/kern/kern_time.c:261 cpuid = 0 time = 1580852371 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe002447c8b0 vpanic() at vpanic+0x1ce/frame 0xfffffe002447c920 panic() at panic+0x43/frame 0xfffffe002447c980 __mtx_assert() at __mtx_assert+0x196/frame 0xfffffe002447c9c0 kern_thread_cputime() at kern_thread_cputime+0xaa/frame 0xfffffe002447ca10 kern_clock_gettime() at kern_clock_gettime+0x277/frame 0xfffffe002447ca70 freebsd32_clock_gettime() at freebsd32_clock_gettime+0x25/frame 0xfffffe002447cab0 ia32_syscall() at ia32_syscall+0x48c/frame 0xfffffe002447cbf0 int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0x8142581 KDB: enter: panic [ thread pid 1934 tid 100793 ] 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 0xfffffe002a800000 rdx 0x3ffff rbx 0 rsp 0xfffffe002447c890 rbp 0xfffffe002447c8b0 rsi 0x40001 rdi 0xffffffff810ba616 vprintf+0x176 r8 0 r9 0xffffffff r10 0 r11 0xfffff8003adc14f0 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 1934 (syz-executor.3) at 0xfffff8003ae75000: state: NORMAL uid: 0 gids: 0, 0, 5 parent: pid 771 at 0xfffff80003dfd000 ABI: FreeBSD ELF32 arguments: /root/syz-executor.3 reaper: 0xfffff80003300a60 reapsubtree: 1 sigparent: 20 vmspace: 0xfffff8003a349000 (map 0xfffff8003a349000) (map.pmap 0xfffff8003a3490c0) (pmap 0xfffff8003a349120) threads: 3 100510 RunQ syz-executor.3 100789 S lockf 0xfffff8003715d280 syz-executor.3 100793 Run CPU 0 syz-executor.3 db> ps pid ppid pgrp uid state wmesg wchan cmd 1935 770 770 0 R (threaded) syz-executor.2 100125 RunQ syz-executor.2 100792 S uwait 0xfffff80003d9a180 syz-executor.2 1934 771 771 0 R (threaded) syz-executor.3 100510 RunQ syz-executor.3 100789 S lockf 0xfffff8003715d280 syz-executor.3 100793 Run CPU 0 syz-executor.3 1933 768 768 0 S (threaded) syz-executor.0 100429 S nanslp 0xffffffff824feca0 syz-executor.0 100787 S sbwait 0xfffff80003e6e8e4 syz-executor.0 100791 S uwait 0xfffff80003a48a80 syz-executor.0 1931 769 769 0 R (threaded) syz-executor.1 100074 Run CPU 1 syz-executor.1 100786 S lockf 0xfffff8003715d580 syz-executor.1 100790 RunQ syz-executor.1 1609 1603 1609 0 Ss select 0xfffff8003a3561c0 dhclient 1606 1 1606 0 Ss select 0xfffff8003a356140 dhclient 1603 1595 422 65 S select 0xfffff8003a356240 dhclient 1595 422 422 0 S wait 0xfffff800370f1a60 sh 1586 1 1586 65 Ss select 0xfffff80003a46d40 dhclient 1048 1 1048 0 Ss select 0xfffff80003a46ec0 dhclient 1045 1 1045 0 Ss select 0xfffff80003a47cc0 dhclient 771 766 771 0 Ss nanslp 0xffffffff824feca0 syz-executor.3 770 766 770 0 Ss nanslp 0xffffffff824feca0 syz-executor.2 769 766 769 0 Ss nanslp 0xffffffff824feca0 syz-executor.1 768 766 768 0 Rs syz-executor.0 766 764 764 0 S (threaded) syz-fuzzer 100090 S uwait 0xfffff80003d78f00 syz-fuzzer 100111 S uwait 0xfffff80003d96600 syz-fuzzer 100112 S uwait 0xfffff80003d96700 syz-fuzzer 100113 S uwait 0xfffff80003d96800 syz-fuzzer 100114 S uwait 0xfffff80003d96900 syz-fuzzer 100115 S kqread 0xfffff80003cf2500 syz-fuzzer 100116 S uwait 0xfffff80003a48180 syz-fuzzer 100117 S uwait 0xfffff80003d9ab80 syz-fuzzer 100118 S uwait 0xfffff80003d9ac80 syz-fuzzer 100119 S uwait 0xfffff80003a48280 syz-fuzzer 100120 S uwait 0xfffff80003d9ad80 syz-fuzzer 764 762 764 0 Ss pause 0xfffff80003f465d8 csh 762 680 762 0 Ss select 0xfffff80003d96240 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 0xffffffff824feca0 cron 680 1 680 0 Ss select 0xfffff80003d78040 sshd 493 1 493 0 Ss select 0xfffff80003d789c0 syslogd 422 1 422 0 Ss wait 0xfffff80003f26000 devd 421 1 421 65 Ss select 0xfffff80003d787c0 dhclient 336 1 336 0 Ss select 0xfffff80003d78a40 dhclient 333 1 333 0 Ss select 0xfffff80003d78740 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 0xfffff80003d054e8 [/ 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 - 0xffffffff81cdce20 [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 1933 (syz-executor.0) thread 0xfffff8003ade2000 (100787) exclusive sx so_rcv_sx (so_rcv_sx) r = 0 (0xfffff80003e6e888) locked @ /syzkaller/managers/i386/kernel/sys/kern/uipc_sockbuf.c:393 db> show malloc Type InUse MemUse Requests devbuf 4213 4851K 4241 vtbuf 24 1968K 46 sysctloid 26737 1565K 26801 kobj 332 1328K 488 newblk 53 1037K 2459 vfscache 4 1025K 4 inodedep 146 585K 1598 pcb 34 548K 2041 ufs_quota 1 512K 1 vfs_hash 1 512K 1 callout 2 512K 2 intr 4 388K 4 subproc 138 265K 2018 acpica 1674 185K 49750 vnet_data 1 168K 1 filedesc 21 149K 2077 pagedep 10 131K 1045 tfo_ccache 1 128K 1 sem 4 106K 4 DEVFS1 105 105K 122 linker 222 89K 253 bus 980 79K 3332 mtx_pool 2 72K 2 syncache 1 68K 1 acpitask 1 64K 1 ddb_capture 1 64K 1 module 494 62K 494 BPF 30 53K 30 umtx 324 41K 324 shm 3 36K 140 kdtrace 179 35K 5622 gtaskqueue 22 34K 22 hostcache 1 32K 1 dirrem 124 31K 1483 DEVFS3 124 31K 134 msg 4 30K 4 DEVFS_RULE 56 27K 56 ifaddr 72 24K 74 kbdmux 6 22K 6 vmem 3 19K 4 lltable 46 17K 47 temp 34 17K 2037 ufs_mount 3 17K 4 proc 3 17K 3 tty 16 16K 16 tidhash 1 16K 1 freefile 127 16K 1481 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 2 9K 1561 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 routetbl 58 8K 62 audit_evclass 231 8K 289 cred 28 7K 212 CAM DEV 3 6K 510 kqueue 58 6K 1942 plimit 22 6K 366 vt 11 6K 11 sglist 5 6K 5 CAM queue 5 6K 1528 freework 20 5K 1381 ufs_dirhash 24 5K 24 DEVFSP 74 5K 78 taskqueue 42 5K 42 memdesc 1 4K 1 MCA 32 4K 32 evdev 4 4K 4 kcovinfo 64 4K 68 lockf 41 4K 3079 select 31 4K 31 UMA 236 4K 236 session 28 4K 41 pgrp 28 4K 41 hhook 13 4K 13 acpisem 22 3K 22 terminal 11 3K 11 proc-args 47 3K 598 sctp_atcl 5 3K 1081 uidinfo 4 3K 4 sctp_ifa 17 3K 17 local_apic 1 2K 1 io_apic 1 2K 1 ipsec-saq 2 2K 2 ip6ndp 12 2K 20 freeblks 7 2K 1080 Unitno 32 2K 1365 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 2048 ipsecpolicy 1 1K 1 sahead 1 1K 1 secasvar 1 1K 1 clone 8 1K 8 vnodemarker 2 1K 56 NFSD session 1 1K 1 diradd 7 1K 1520 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 newdirblk 4 1K 1024 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 inpcbpolicy 9 1K 558 indirdep 1 1K 535 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 5 1K 1280 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 6217 nexusdev 5 1K 5 sctp_athm 5 1K 1081 entropy 2 1K 39 tcpfunc 1 1K 1 sctp_vrf 1 1K 1 vnet 1 1K 1 acpiintr 1 1K 1 pmc 1 1K 1 filecaps 3 1K 97 cpus 2 1K 2 vnet_data_free 1 1K 1 Per-cpu 1 1K 1 iov 1 1K 14790 p1003.1b 1 1K 1 CAM CCB 0 0K 4251 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 662 sentinel 0 0K 0 jfsync 0 0K 0 jtrunc 0 0K 0 sbdep 0 0K 27 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 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 179 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_stro 0 0K 199 sctp_stri 0 0K 0 sctp_map 0 0K 398 newreno data 0 0K 0 ip_msource 0 0K 0 ip_moptions 0 0K 2 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 1202 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 115 accf 0 0K 0 pts 0 0K 0 ioctlops 0 0K 129 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 614 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 2 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