panic: sx lock still held cpuid = 0 time = 1577615824 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe002452d870 vpanic() at vpanic+0x1c7/frame 0xfffffe002452d8e0 panic() at panic+0x43/frame 0xfffffe002452d940 sx_destroy() at sx_destroy+0x63/frame 0xfffffe002452d960 solisten_proto() at solisten_proto+0xd2/frame 0xfffffe002452d9c0 tcp6_usr_listen() at tcp6_usr_listen+0x1dc/frame 0xfffffe002452da30 solisten() at solisten+0x7a/frame 0xfffffe002452da70 kern_listen() at kern_listen+0x125/frame 0xfffffe002452dab0 ia32_syscall() at ia32_syscall+0x48c/frame 0xfffffe002452dbf0 int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0x8142e7d KDB: enter: panic [ thread pid 1512 tid 100190 ] Stopped at kdb_enter+0x67: movq $0,0x145f5b6(%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 0xfffffe0027200000 rdx 0x3ffff rbx 0 rsp 0xfffffe002452d850 rbp 0xfffffe002452d870 rsi 0x40001 rdi 0xffffffff810c18d1 vprintf+0xe1 r8 0 r9 0xffffffff r10 0 r11 0xfffff8002a329bd0 r12 0xffffffff82068d90 ddb_dbbe r13 0 r14 0xffffffff81937cb1 r15 0xffffffff81937cb1 rip 0xffffffff810b6b57 kdb_enter+0x67 rflags 0x200082 kernphys+0x82 kdb_enter+0x67: movq $0,0x145f5b6(%rip) db> show proc Process 1512 (syz-executor.1) at 0xfffff80057d01a60: state: NORMAL uid: 0 gids: 0, 0, 5 parent: pid 772 at 0xfffff80034509a60 ABI: FreeBSD ELF32 arguments: /root/syz-executor.1 reaper: 0xfffff800032c9530 reapsubtree: 1 sigparent: 20 vmspace: 0xfffff8003483e000 (map 0xfffff8003483e000) (map.pmap 0xfffff8003483e0c0) (pmap 0xfffff8003483e120) threads: 4 100285 RunQ syz-executor.1 100187 S sbwait 0xfffff80003eeb2d4 syz-executor.1 100188 Run CPU 1 syz-executor.1 100190 Run CPU 0 syz-executor.1 db> ps pid ppid pgrp uid state wmesg wchan cmd 1516 771 771 0 S (threaded) syz-executor.0 100121 S nanslp 0xffffffff824fed10 syz-executor.0 100203 S sbwait 0xfffff80003ef265c syz-executor.0 100204 S uwait 0xfffff80003a70500 syz-executor.0 1515 803 803 0 S (threaded) syz-executor.2 100124 S nanslp 0xffffffff824fed11 syz-executor.2 100200 S uwait 0xfffff80003d3f580 syz-executor.2 100201 S connec 0xfffff80003eee478 syz-executor.2 100202 S uwait 0xfffff80003d3dd80 syz-executor.2 1513 802 802 0 S (threaded) syz-executor.3 100303 S nanslp 0xffffffff824fed10 syz-executor.3 100191 S connec 0xfffff80003eed800 syz-executor.3 100199 S uwait 0xfffff80003a70c00 syz-executor.3 1512 772 772 0 R (threaded) syz-executor.1 100285 RunQ syz-executor.1 100187 S sbwait 0xfffff80003eeb2d4 syz-executor.1 100188 Run CPU 1 syz-executor.1 100190 Run CPU 0 syz-executor.1 803 766 803 0 Ss nanslp 0xffffffff824fed11 syz-executor.2 802 766 802 0 Ss nanslp 0xffffffff824fed10 syz-executor.3 800 794 800 0 Ss select 0xfffff80003b4dac0 dhclient 797 1 797 0 Ss select 0xfffff80003b4d9c0 dhclient 794 787 422 65 S select 0xfffff80003b4db40 dhclient 787 422 422 0 S wait 0xfffff80003d8d530 sh 772 766 772 0 Ss nanslp 0xffffffff824fed10 syz-executor.1 771 766 771 0 Rs syz-executor.0 766 764 764 0 S (threaded) syz-fuzzer 100092 S uwait 0xfffff80003a6ee80 syz-fuzzer 100105 S uwait 0xfffff80003d40b00 syz-fuzzer 100106 S uwait 0xfffff800032cb100 syz-fuzzer 100107 S uwait 0xfffff80003d3de80 syz-fuzzer 100108 S uwait 0xfffff80003d40000 syz-fuzzer 100109 S uwait 0xfffff80003d40100 syz-fuzzer 100110 S uwait 0xfffff80003d40200 syz-fuzzer 100111 S kqread 0xfffff800031ddc00 syz-fuzzer 100112 S uwait 0xfffff80003d3d980 syz-fuzzer 100113 S uwait 0xfffff80003d3da80 syz-fuzzer 764 762 764 0 Ss pause 0xfffff80003dadb08 csh 762 680 762 0 Ss select 0xfffff800031aeac0 sshd 746 1 746 0 Ss+ ttyin 0xfffff8000383c8b0 getty 745 1 745 0 Ss+ ttyin 0xfffff80003b598b0 getty 744 1 744 0 Ss+ ttyin 0xfffff80003b59cb0 getty 743 1 743 0 Ss+ ttyin 0xfffff80003b5c0b0 getty 742 1 742 0 Ss+ ttyin 0xfffff80003b5c4b0 getty 741 1 741 0 Ss+ ttyin 0xfffff80003b5c8b0 getty 740 1 740 0 Ss+ ttyin 0xfffff80003b5ccb0 getty 739 1 739 0 Ss+ ttyin 0xfffff80003b5b0b0 getty 738 1 738 0 Ss+ ttyin 0xfffff80003b5b4b0 getty 684 1 684 0 Ss nanslp 0xffffffff824fed10 cron 680 1 680 0 Ss select 0xfffff80003b502c0 sshd 493 1 493 0 Ss select 0xfffff800031aec40 syslogd 422 1 422 0 Ss wait 0xfffff80003522000 devd 421 1 421 65 Ss select 0xfffff800031aebc0 dhclient 336 1 336 0 Ss select 0xfffff800031af940 dhclient 333 1 333 0 Ss select 0xfffff800031afbc0 dhclient 21 0 0 0 DL syncer 0xffffffff825d51e0 [syncer] 20 0 0 0 DL vlruwt 0xfffff80003b30000 [vnlru] 19 0 0 0 DL (threaded) [bufdaemon] 100065 D qsleep 0xffffffff825d4698 [bufdaemon] 100066 D - 0xffffffff8200a980 [bufspacedaemon-0] 100080 D sdflush 0xfffff80003e032e8 [/ worker] 18 0 0 0 DL psleep 0xffffffff825f0108 [vmdaemon] 17 0 0 0 DL (threaded) [pagedaemon] 100063 D psleep 0xffffffff8261d058 [dom0] 100069 D launds 0xffffffff8261d064 [laundry: dom0] 100070 D umarcl 0xffffffff8153f430 [uma] 16 0 0 0 DL - 0xffffffff82359598 [rand_harvestq] 15 0 0 0 DL waiting 0xffffffff82662620 [sctp_iterator] 9 0 0 0 DL - 0xffffffff825d409c [soaiod4] 8 0 0 0 DL - 0xffffffff825d409c [soaiod3] 7 0 0 0 DL - 0xffffffff825d409c [soaiod2] 6 0 0 0 DL - 0xffffffff825d409c [soaiod1] 5 0 0 0 DL (threaded) [cam] 100031 D - 0xffffffff82234940 [doneq0] 100062 D - 0xffffffff82234808 [scanner] 4 0 0 0 DL crypto_ 0xfffff800033abe90 [crypto returns 1] 3 0 0 0 DL crypto_ 0xfffff800033abe30 [crypto returns 0] 2 0 0 0 DL crypto_ 0xffffffff825ea178 [crypto] 14 0 0 0 DL seqstat 0xfffff8000333ec88 [sequencer 00] 13 0 0 0 DL (threaded) [geom] 100022 D - 0xffffffff8261b688 [g_event] 100023 D - 0xffffffff8261b698 [g_up] 100024 D - 0xffffffff8261b690 [g_down] 12 0 0 0 WL (threaded) [intr] 100005 I [swi5: fast taskq] 100009 I [swi6: task queue] 100010 I [swi6: Giant taskq] 100017 I [swi3: vm] 100018 I [swi1: netisr 0] 100019 I [swi4: clock (0)] 100020 I [swi4: clock (1)] 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 0xfffff800032c9530 [init] 10 0 0 0 DL audit_w 0xffffffff826632b0 [audit] 0 0 0 0 DLs (threaded) [kernel] 100000 D swapin 0xffffffff82609c78 [swapper] 100006 D - 0xfffff800031cfd00 [config_0] 100007 D - 0xfffff80003303e00 [kqueue_ctx taskq] 100008 D - 0xfffff80003303d00 [aiod_kick taskq] 100011 D - 0xfffff80003303a00 [thread taskq] 100012 D - 0xfffff800031cfc00 [if_config_tqg_0] 100013 D - 0xfffff800031cfb00 [softirq_0] 100014 D - 0xfffff800031cfa00 [softirq_1] 100015 D - 0xfffff800031cf900 [if_io_tqg_0] 100016 D - 0xfffff800031cf800 [if_io_tqg_1] 100021 D - 0xfffff80003303900 [firmware taskq] 100026 D - 0xfffff80003303800 [crypto_0] 100027 D - 0xfffff80003303800 [crypto_1] 100041 D - 0xfffff80003303600 [vtnet0 rxq 0] 100042 D - 0xfffff80003303500 [vtnet0 txq 0] 100043 D - 0xfffff80003303400 [vtnet0 rxq 1] 100044 D - 0xfffff80003303300 [vtnet0 txq 1] 100046 D vtbslp 0xfffff800031b1500 [virtio_balloon] 100050 D - 0xfffff80003303200 [mca taskq] 100054 D - 0xffffffff81cdb6d1 [deadlkres] 100057 D - 0xfffff80003b56100 [acpi_task_0] 100058 D - 0xfffff80003b56100 [acpi_task_1] 100059 D - 0xfffff80003b56100 [acpi_task_2] 100061 D - 0xfffff80003303700 [CAM taskq] db> show all locks Process 1516 (syz-executor.0) thread 0xfffff800053e16e0 (100203) exclusive sx so_snd_sx (so_snd_sx) r = 0 (0xfffff80003ef2600) locked @ /syzkaller/managers/i386/kernel/sys/kern/uipc_sockbuf.c:393 Process 1512 (syz-executor.1) thread 0xfffff8002a331000 (100187) exclusive sx so_snd_sx (so_snd_sx) r = 0 (0xfffff80003eeb278) locked @ /syzkaller/managers/i386/kernel/sys/kern/uipc_sockbuf.c:393 Process 1512 (syz-executor.1) thread 0xfffff80044759000 (100188) exclusive sx so_snd_sx (so_snd_sx) r = 0 (0xfffff80003eea278) locked @ /syzkaller/managers/i386/kernel/sys/kern/uipc_sockbuf.c:393 Process 1512 (syz-executor.1) thread 0xfffff8002a3296e0 (100190) exclusive sleep mutex socket (socket) r = 0 (0xfffff80003eea000) locked @ /syzkaller/managers/i386/kernel/sys/netinet/tcp_usrreq.c:489 exclusive rw tcpinp (tcpinp) r = 0 (0xfffff8003452cd78) 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 23668 1374K 23732 kobj 333 1332K 489 newblk 49 1036K 8288 vfscache 4 1025K 4 pcb 42 553K 448 inodedep 32 528K 1155 ufs_quota 1 512K 1 vfs_hash 1 512K 1 callout 2 512K 2 intr 4 388K 4 subproc 126 249K 1590 acpica 1674 185K 50524 vnet_data 1 168K 1 filedesc 21 149K 1453 pagedep 15 132K 725 tfo_ccache 1 128K 1 sem 4 106K 4 DEVFS1 105 105K 122 linker 221 89K 252 bus 992 79K 3341 mtx_pool 2 72K 2 syncache 1 68K 1 acpitask 1 64K 1 ddb_capture 1 64K 1 module 495 62K 495 umtx 312 39K 312 BPF 22 36K 22 kdtrace 175 34K 4214 gtaskqueue 22 34K 22 hostcache 1 32K 1 shm 1 32K 2 DEVFS3 124 31K 134 msg 4 30K 4 DEVFS_RULE 56 27K 56 ifaddr 71 24K 73 kbdmux 6 22K 6 vmem 3 20K 5 lltable 48 18K 65 temp 34 17K 1850 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 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 1244 devstat 4 9K 4 UART 12 9K 12 rpc 2 8K 2 shmfd 1 8K 1 pfs_vncache 1 8K 1 audit_evclass 231 8K 289 sctp_atcl 14 7K 105 sctp_stro 7 7K 42 cred 28 7K 215 routetbl 58 7K 62 CAM DEV 3 6K 508 sctp_timw 24 6K 24 kqueue 55 6K 1521 vt 11 6K 11 plimit 21 6K 365 select 41 6K 41 sglist 5 6K 5 CAM queue 5 6K 1522 ufs_dirhash 24 5K 24 DEVFSP 72 5K 76 taskqueue 42 5K 42 freework 18 5K 3603 memdesc 1 4K 1 MCA 32 4K 32 evdev 4 4K 4 kcovinfo 64 4K 68 UMA 233 4K 233 diradd 28 4K 1094 hhook 13 4K 13 session 25 4K 36 pgrp 25 4K 36 acpisem 22 3K 22 terminal 11 3K 11 proc-args 44 3K 544 uidinfo 4 3K 5 sctp_ifa 17 3K 17 lockf 20 3K 33 local_apic 1 2K 1 io_apic 1 2K 1 ipsec-saq 2 2K 2 mkdir 15 2K 1424 ip6ndp 12 2K 21 Unitno 30 2K 221 CAM XPT 22 2K 541 in_multi 6 2K 7 acpidev 20 2K 20 freeblks 5 2K 1129 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 sctp_atky 21 1K 147 CAM periph 4 1K 270 newdirblk 12 1K 712 freefile 6 1K 1056 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 dirrem 5 1K 1058 CAM SIM 2 1K 2 softdep 1 1K 1 chacha20random 1 1K 1 epoch 4 1K 4 cdev 2 1K 2 inpcbpolicy 14 1K 464 encap_export_host 8 1K 8 pfil 3 1K 3 osd 3 1K 9 soname 9 1K 6086 indirdep 1 1K 4335 vnodes 1 1K 1 NFSD lckfile 1 1K 1 NFSD V4client 1 1K 1 DEVFS 9 1K 10 sctp_athm 14 1K 105 sctp_map 14 1K 84 feeder 7 1K 7 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 37 tcpfunc 1 1K 1 sctp_vrf 1 1K 1 vnet 1 1K 1 acpiintr 1 1K 1 pmc 1 1K 1 cpus 2 1K 2 vnet_data_free 1 1K 1 Per-cpu 1 1K 1 filecaps 2 1K 72 p1003.1b 1 1K 1 CAM CCB 0 0K 17040 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 2427 sentinel 0 0K 0 jfsync 0 0K 0 jtrunc 0 0K 0 sbdep 0 0K 7 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 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 44 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 vnodemarker 0 0K 22 mpr 0 0K 0 statfs 0 0K 886 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 132 accf 0 0K 0 pts 0 0K 0 iov 0 0K 14351 ioctlops 0 0K 105 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 584 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