panic: sx lock still held cpuid = 0 time = 1579067737 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe002454b870 vpanic() at vpanic+0x1ce/frame 0xfffffe002454b8e0 panic() at panic+0x43/frame 0xfffffe002454b940 sx_destroy() at sx_destroy+0x63/frame 0xfffffe002454b960 solisten_proto() at solisten_proto+0xd2/frame 0xfffffe002454b9c0 tcp6_usr_listen() at tcp6_usr_listen+0x1dc/frame 0xfffffe002454ba30 solisten() at solisten+0x7a/frame 0xfffffe002454ba70 kern_listen() at kern_listen+0x125/frame 0xfffffe002454bab0 ia32_syscall() at ia32_syscall+0x48c/frame 0xfffffe002454bbf0 int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0x8142e7d KDB: enter: panic [ thread pid 2253 tid 100437 ] Stopped at kdb_enter+0x67: movq $0,0x1467466(%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 0xfffffe002b400000 rdx 0x3ffff rbx 0 rsp 0xfffffe002454b850 rbp 0xfffffe002454b870 rsi 0x40001 rdi 0xffffffff810b9b76 vprintf+0x176 r8 0 r9 0xffffffff r10 0xa7134ec6 r11 0x93ac4e74 r12 0xffffffff82068d90 ddb_dbbe r13 0 r14 0xffffffff81935200 r15 0xffffffff81935200 rip 0xffffffff810aec37 kdb_enter+0x67 rflags 0x200082 kernphys+0x82 kdb_enter+0x67: movq $0,0x1467466(%rip) db> show proc Process 2253 (syz-executor.3) at 0xfffff80003eb6a60: state: NORMAL uid: 0 gids: 0, 0, 5 parent: pid 850 at 0xfffff8003af25530 ABI: FreeBSD ELF32 arguments: /root/syz-executor.3 reaper: 0xfffff800032f8530 reapsubtree: 1 sigparent: 20 vmspace: 0xfffff8003a614000 (map 0xfffff8003a614000) (map.pmap 0xfffff8003a6140c0) (pmap 0xfffff8003a614120) threads: 5 100088 RunQ syz-executor.3 100424 S sbwait 0xfffff80003ee92d4 syz-executor.3 100428 Run CPU 1 syz-executor.3 100430 S sbwait 0xfffff80003e779e4 syz-executor.3 100437 Run CPU 0 syz-executor.3 db> ps pid ppid pgrp uid state wmesg wchan cmd 2260 770 770 0 S (threaded) syz-executor.1 100089 S nanslp 0xffffffff824feca0 syz-executor.1 100438 S select 0xfffff80003d1d0c0 syz-executor.1 100435 S uwait 0xfffff80003a4a980 syz-executor.1 2253 850 850 0 R (threaded) syz-executor.3 100088 RunQ syz-executor.3 100424 S sbwait 0xfffff80003ee92d4 syz-executor.3 100428 Run CPU 1 syz-executor.3 100430 S sbwait 0xfffff80003e779e4 syz-executor.3 100437 Run CPU 0 syz-executor.3 1915 1909 1915 0 Ss select 0xfffff8003a3a3b40 dhclient 1912 1 1912 0 Ss select 0xfffff80003d1cdc0 dhclient 1909 1900 422 65 S select 0xfffff8003a3570c0 dhclient 1900 422 422 0 S wait 0xfffff8003c092530 sh 1887 1 1887 65 Ss select 0xfffff8003a3a3bc0 dhclient 1098 1 1098 0 Ss select 0xfffff8003a3a3e40 dhclient 1094 1 1094 0 Ss select 0xfffff8003a357140 dhclient 850 766 850 0 Ss nanslp 0xffffffff824feca0 syz-executor.3 816 766 816 0 Ss piperd 0xfffff80003d7bbe0 syz-executor.2 770 766 770 0 Ss nanslp 0xffffffff824feca0 syz-executor.1 769 766 769 0 Ss piperd 0xfffff80003d8c5f0 syz-executor.0 766 764 764 0 S (threaded) syz-fuzzer 100096 S uwait 0xfffff80003cd4000 syz-fuzzer 100105 S uwait 0xfffff80003a4bb00 syz-fuzzer 100106 S uwait 0xfffff80003a4bc00 syz-fuzzer 100107 S uwait 0xfffff80003cd3500 syz-fuzzer 100108 S uwait 0xfffff80003cd3e80 syz-fuzzer 100109 S uwait 0xfffff80003a4de80 syz-fuzzer 100110 S uwait 0xfffff80003cd3400 syz-fuzzer 100111 S uwait 0xfffff80003cd3000 syz-fuzzer 100112 S kqread 0xfffff80003339700 syz-fuzzer 100116 S uwait 0xfffff80003a4d900 syz-fuzzer 764 762 764 0 Ss pause 0xfffff80003f215d8 csh 762 680 762 0 Ss select 0xfffff80003d1fcc0 sshd 746 1 746 0 Ss+ ttyin 0xfffff800033f4cb0 getty 745 1 745 0 Ss+ ttyin 0xfffff800033f5cb0 getty 744 1 744 0 Ss+ ttyin 0xfffff80003abc0b0 getty 743 1 743 0 Ss+ ttyin 0xfffff80003abc4b0 getty 742 1 742 0 Ss+ ttyin 0xfffff80003abc8b0 getty 741 1 741 0 Ss+ ttyin 0xfffff80003abccb0 getty 740 1 740 0 Ss+ ttyin 0xfffff80003abd0b0 getty 739 1 739 0 Ss+ ttyin 0xfffff80003abd4b0 getty 738 1 738 0 Ss+ ttyin 0xfffff80003abd8b0 getty 684 1 684 0 Ss nanslp 0xffffffff824feca0 cron 680 1 680 0 Ss select 0xfffff8003a3576c0 sshd 493 1 493 0 Ss select 0xfffff80003b19740 syslogd 422 1 422 0 Ss wait 0xfffff80003dac530 devd 421 1 421 65 Ss select 0xfffff80003d1f640 dhclient 336 1 336 0 Ss select 0xfffff80003d1fdc0 dhclient 333 1 333 0 Ss select 0xfffff8003a357640 dhclient 21 0 0 0 DL syncer 0xffffffff825d5118 [syncer] 20 0 0 0 DL vlruwt 0xfffff80003b03000 [vnlru] 19 0 0 0 DL (threaded) [bufdaemon] 100065 D qsleep 0xffffffff825d4618 [bufdaemon] 100070 D - 0xffffffff8200a980 [bufspacedaemon-0] 100081 D sdflush 0xfffff80003cff8e8 [/ worker] 18 0 0 0 DL psleep 0xffffffff825f0088 [vmdaemon] 17 0 0 0 DL (threaded) [pagedaemon] 100063 D psleep 0xffffffff8261cfd8 [dom0] 100068 D launds 0xffffffff8261cfe4 [laundry: dom0] 100069 D umarcl 0xffffffff8153b7a0 [uma] 16 0 0 0 DL - 0xffffffff82359530 [rand_harvestq] 15 0 0 0 DL waiting 0xffffffff826625a0 [sctp_iterator] 9 0 0 0 DL - 0xffffffff825d401c [soaiod4] 8 0 0 0 DL - 0xffffffff825d401c [soaiod3] 7 0 0 0 DL - 0xffffffff825d401c [soaiod2] 6 0 0 0 DL - 0xffffffff825d401c [soaiod1] 5 0 0 0 DL (threaded) [cam] 100031 D - 0xffffffff82234940 [doneq0] 100062 D - 0xffffffff82234808 [scanner] 4 0 0 0 DL crypto_ 0xfffff800031f6e90 [crypto returns 1] 3 0 0 0 DL crypto_ 0xfffff800031f6e30 [crypto returns 0] 2 0 0 0 DL crypto_ 0xffffffff825ea0e8 [crypto] 14 0 0 0 DL seqstat 0xfffff80003362888 [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 0xfffff800032f8530 [init] 10 0 0 0 DL audit_w 0xffffffff82663230 [audit] 0 0 0 0 DLs (threaded) [kernel] 100000 D swapin 0xffffffff82609bf8 [swapper] 100005 D - 0xfffff8000333b000 [thread taskq] 100007 D - 0xfffff8000333ad00 [kqueue_ctx taskq] 100008 D - 0xfffff8000333ac00 [config_0] 100009 D - 0xfffff8000333ab00 [aiod_kick taskq] 100012 D - 0xfffff8000333a800 [if_config_tqg_0] 100013 D - 0xfffff8000333a700 [if_io_tqg_0] 100014 D - 0xfffff8000333a600 [if_io_tqg_1] 100015 D - 0xfffff8000333a500 [softirq_0] 100016 D - 0xfffff8000333a400 [softirq_1] 100021 D - 0xfffff8000333a300 [firmware taskq] 100026 D - 0xfffff8000333a200 [crypto_0] 100027 D - 0xfffff8000333a200 [crypto_1] 100041 D - 0xfffff8000333a000 [vtnet0 rxq 0] 100042 D - 0xfffff80003339e00 [vtnet0 txq 0] 100043 D - 0xfffff80003339d00 [vtnet0 rxq 1] 100044 D - 0xfffff80003339c00 [vtnet0 txq 1] 100046 D vtbslp 0xfffff800034d1400 [virtio_balloon] 100050 D - 0xfffff80003339b00 [mca taskq] 100055 D - 0xffffffff81cd8b00 [deadlkres] 100057 D - 0xfffff80003b33100 [acpi_task_0] 100058 D - 0xfffff80003b33100 [acpi_task_1] 100059 D - 0xfffff80003b33100 [acpi_task_2] 100061 D - 0xfffff8000333a100 [CAM taskq] db> show all locks Process 2253 (syz-executor.3) thread 0xfffff8003c0f56e0 (100424) exclusive sx so_snd_sx (so_snd_sx) r = 0 (0xfffff80003ee9278) locked @ /syzkaller/managers/i386/kernel/sys/kern/uipc_sockbuf.c:393 Process 2253 (syz-executor.3) thread 0xfffff8003ad1b000 (100428) exclusive sx so_snd_sx (so_snd_sx) r = 0 (0xfffff80003e7a988) locked @ /syzkaller/managers/i386/kernel/sys/kern/uipc_sockbuf.c:393 Process 2253 (syz-executor.3) thread 0xfffff8003c3a6000 (100430) exclusive sx so_snd_sx (so_snd_sx) r = 0 (0xfffff80003e77988) locked @ /syzkaller/managers/i386/kernel/sys/kern/uipc_sockbuf.c:393 Process 2253 (syz-executor.3) thread 0xfffff8003ae86000 (100437) exclusive sleep mutex socket (socket) r = 0 (0xfffff80003e7a710) locked @ /syzkaller/managers/i386/kernel/sys/netinet/tcp_usrreq.c:489 exclusive rw tcpinp (tcpinp) r = 0 (0xfffff80003df97c0) locked @ /syzkaller/managers/i386/kernel/sys/netinet/tcp_usrreq.c:481 db> show malloc Type InUse MemUse Requests devbuf 4213 4851K 4241 vtbuf 24 1968K 46 sysctloid 26527 1553K 26591 kobj 331 1324K 487 newblk 46 1036K 6173 vfscache 4 1025K 4 pcb 27 537K 998 inodedep 28 526K 1627 ufs_quota 1 512K 1 vfs_hash 1 512K 1 callout 2 512K 2 intr 4 388K 4 subproc 136 257K 2343 acpica 1674 185K 49750 vnet_data 1 168K 1 pagedep 16 132K 1361 tfo_ccache 1 128K 1 filedesc 17 117K 2715 sem 4 106K 4 DEVFS1 105 105K 122 linker 221 89K 252 bus 978 79K 3330 mtx_pool 2 72K 2 syncache 1 68K 1 acpitask 1 64K 1 ddb_capture 1 64K 1 module 493 62K 493 BPF 30 53K 30 umtx 312 39K 312 gtaskqueue 22 34K 22 kdtrace 173 34K 6958 hostcache 1 32K 1 shm 1 32K 1 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 47 18K 48 temp 34 17K 2061 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 eventhandler 123 11K 123 in6_multi 89 11K 89 pfs_nodes 20 10K 20 GEOM 60 10K 487 rman 82 10K 423 bmsafemap 2 9K 1690 devstat 4 9K 4 UART 12 9K 12 rpc 2 8K 2 shmfd 1 8K 1 pfs_vncache 1 8K 1 cred 30 8K 231 audit_evclass 231 8K 289 routetbl 58 7K 62 CAM DEV 3 6K 508 select 47 6K 47 kqueue 56 6K 2267 plimit 22 6K 394 vt 11 6K 11 sglist 5 6K 5 freework 21 6K 3102 CAM queue 5 6K 1522 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 UMA 234 4K 234 session 28 4K 43 pgrp 28 4K 43 hhook 13 4K 13 acpisem 22 3K 22 terminal 11 3K 11 lockf 24 3K 40 proc-args 47 3K 606 uidinfo 5 3K 6 sctp_ifa 17 3K 17 local_apic 1 2K 1 io_apic 1 2K 1 freeblks 8 2K 1601 ipsec-saq 2 2K 2 ip6ndp 12 2K 21 diradd 14 2K 1576 Unitno 28 2K 2741 CAM XPT 22 2K 541 in_multi 6 2K 7 freefile 11 2K 1538 acpidev 20 2K 20 dirrem 10 2K 1540 crypto 2 2K 2 msi 9 2K 9 tun 7 2K 7 ipsecpolicy 1 1K 1 sahead 1 1K 1 secasvar 1 1K 1 clone 8 1K 8 NFSD session 1 1K 1 mkdir 7 1K 2690 CAM periph 4 1K 270 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 epoch 5 1K 5 CAM SIM 2 1K 2 softdep 1 1K 1 sctp_timw 2 1K 2 pfil 4 1K 4 chacha20random 1 1K 1 vnodemarker 1 1K 28 cdev 2 1K 2 encap_export_host 8 1K 8 inpcbpolicy 13 1K 319 osd 3 1K 9 newdirblk 4 1K 1345 indirdep 1 1K 2635 vnodes 1 1K 1 NFSD lckfile 1 1K 1 NFSD V4client 1 1K 1 DEVFS 9 1K 10 feeder 7 1K 7 soname 7 1K 5787 loginclass 3 1K 3 CAM path 4 1K 1030 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 40 tcpfunc 1 1K 1 sctp_vrf 1 1K 1 vnet 1 1K 1 acpiintr 1 1K 1 pmc 1 1K 1 filecaps 3 1K 101 cpus 2 1K 2 vnet_data_free 1 1K 1 Per-cpu 1 1K 1 p1003.1b 1 1K 1 CAM CCB 0 0K 11180 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 1529 sentinel 0 0K 0 jfsync 0 0K 0 jtrunc 0 0K 0 sbdep 0 0K 10 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 6 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 253 sctp_iter 0 0K 13 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 454 sctp_atky 0 0K 456 sctp_atcl 0 0K 454 sctp_a_it 0 0K 13 sctp_aadr 0 0K 0 sctp_stro 0 0K 2 sctp_stri 0 0K 0 sctp_map 0 0K 4 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 1527 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 119 accf 0 0K 0 pts 0 0K 0 iov 0 0K 15178 ioctlops 0 0K 113 Witness 0 0K 0 stack 0 0K 0 md_sectors 0 0K 0 sbuf 0 0K 364 md_disk 0 0K 0 compressor 0 0K 0 malodev 0 0K 0 SWAP 0 0K 0 LED 0 0K 0 sysctltmp 0 0K 615 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