Kernel Panic

[pokekrishna]

Random Kernel panics are happening. Logs attached below.

So far there hasn't been any noticeable repercussions, but there may be some effect on CIFS (samba share mounted)

---Logs---

[73997.324913] Internal error: Oops - BUG: 0 [#1] SMP
[73997.325792] Modules linked in: veth xt_nat xt_tcpudp xt_conntrack xt_MASQUERADE nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype iptable_filter iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter br_netfilter bridge stp llc nls_utf8 cifs cifs_arc4 cifs_md4 fscache netfs aufs overlay nls_iso8859_1 snd_hda_codec_generic ledtrig_audio snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep aes_ce_blk crypto_simd snd_pcm cryptd aes_ce_cipher crct10dif_ce ghash_ce snd_seq_midi sha3_ce input_leds joydev snd_seq_midi_event snd_rawmidi snd_seq sha3_generic snd_seq_device snd_timer sha512_ce snd sha512_arm64 sha2_ce soundcore sha256_arm64 efi_pstore sha1_ce qemu_fw_cfg sch_fq_codel ipmi_devintf ipmi_msghandler ppdev lp parport drm sunrpc ip_tables x_tables autofs4 hid_generic usbhid hid virtio_blk xhci_pci e1000 xhci_pci_renesas
[73997.360821] CPU: 3 PID: 11166 Comm: kworker/3:6 Not tainted 5.15.0-46-generic #49~20.04.1-Ubuntu
[73997.361467] Hardware name: QEMU QEMU Virtual Machine, BIOS 0.0.0 02/06/2015
[73997.362410] Workqueue: deferredclose smb2_deferred_work_close [cifs]
[73997.363728] pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[73997.371549] pc : __fscache_relinquish_cookie+0x54/0x228 [fscache]
[73997.375405] lr : cifs_fscache_release_inode_cookie+0x88/0x148 [cifs]
[73997.376036] sp : ffff80000de8bbc0
[73997.380201] x29: ffff80000de8bbc0 x28: 0000000000000000 x27: 0000000000000000
[73997.381295] x26: ffff0000ceed1040 x25: ffff0000cbf56000 x24: ffff0000ceed1058
[73997.381960] x23: 0000000000000000 x22: ffff0000c2574ec0 x21: 0000000000000000
[73997.382562] x20: ffff80000de8bc28 x19: ffff0000d051cd80 x18: 0000000000000000
[73997.383152] x17: 751feabe143a3df8 x16: 0000000000000000 x15: ffff80000a95ad48
[73997.383704] x14: ffff80000a95a870 x13: 0000000000000003 x12: 0000000000000004
[73997.384378] x11: 0000000000000005 x10: 0101010101010101 x9 : ffff80000178f610
[73997.385111] x8 : ffff0000cbcdf800 x7 : 0000000000000000 x6 : ffff8000098a1000
[73997.385796] x5 : 0000000000000000 x4 : dead000000000100 x3 : 00000000630de159
[73997.388597] x2 : ffff8000016ff000 x1 : ffff8000016ffc38 x0 : 0000000000000316
[73997.389294] Call trace:
[73997.389801]  __fscache_relinquish_cookie+0x54/0x228 [fscache]
[73997.390224]  cifs_fscache_release_inode_cookie+0x88/0x148 [cifs]
[73997.390741]  cifsFileInfo_put_final+0x3c/0x118 [cifs]
[73997.392808]  _cifsFileInfo_put+0x394/0x4a0 [cifs]
[73997.393248]  smb2_deferred_work_close+0x80/0xb8 [cifs]
[73997.393686]  process_one_work+0x200/0x4a8
[73997.395479]  worker_thread+0x148/0x510
[73997.395753]  kthread+0x114/0x120
[73997.395990]  ret_from_fork+0x10/0x20
[73997.396250] Code: b40008b3 d503201f f9403660 362002e0 (d4210000)
[73997.396699] ---[ end trace 855a700cb92e3465 ]---
[74031.173954] ------------[ cut here ]------------
[74031.175469] WARNING: CPU: 3 PID: 0 at kernel/rcu/tree.c:613 rcu_eqs_enter.isra.0+0x68/0x70
[74031.189720] Modules linked in: veth xt_nat xt_tcpudp xt_conntrack xt_MASQUERADE nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype iptable_filter iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter br_netfilter bridge stp llc nls_utf8 cifs cifs_arc4 cifs_md4 fscache netfs aufs overlay nls_iso8859_1 snd_hda_codec_generic ledtrig_audio snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep aes_ce_blk crypto_simd snd_pcm cryptd aes_ce_cipher crct10dif_ce ghash_ce snd_seq_midi sha3_ce input_leds joydev snd_seq_midi_event snd_rawmidi snd_seq sha3_generic snd_seq_device snd_timer sha512_ce snd sha512_arm64 sha2_ce soundcore sha256_arm64 efi_pstore sha1_ce qemu_fw_cfg sch_fq_codel ipmi_devintf ipmi_msghandler ppdev lp parport drm sunrpc ip_tables x_tables autofs4 hid_generic usbhid hid virtio_blk xhci_pci e1000 xhci_pci_renesas
[74031.232281] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G      D           5.15.0-46-generic #49~20.04.1-Ubuntu
[74031.232959] Hardware name: QEMU QEMU Virtual Machine, BIOS 0.0.0 02/06/2015
[74031.233661] pstate: 204000c5 (nzCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[74031.235939] pc : rcu_eqs_enter.isra.0+0x68/0x70
[74031.237567] lr : rcu_idle_enter+0x18/0x28
[74031.239396] sp : ffff8000080bbdc0
[74031.239645] x29: ffff8000080bbdc0 x28: 0000000000000000 x27: ffff0000c031de80
[74031.240139] x26: 0000000000000000 x25: 0000000000000000 x24: ffff80000a91db74
[74031.240705] x23: ffff0000c031de80 x22: ffff80000a187638 x21: ffff80000a91da28
[74031.241271] x20: ffff80000a91db34 x19: ffff80000a176008 x18: 0000000000000000
[74031.241846] x17: 0000000000000000 x16: 0000000000000000 x15: ffff80000a95ad48
[74031.242388] x14: ffff80000a95a870 x13: 0000000000000003 x12: 000000000000000c
[74031.244910] x11: ffff80000a91db60 x10: 782bea9b8564a76c x9 : ffff8000091bd790
[74031.245460] x8 : ffff0000c031ee18 x7 : 00004354b9d31e74 x6 : 000000000001d400
[74031.246052] x5 : 0000000000000000 x4 : ffff80017509f000 x3 : ffff80017509f000
[74031.246663] x2 : 4000000000000002 x1 : 4000000000000000 x0 : ffff00017f228ec0
[74031.247546] Call trace:
[74031.247718]  rcu_eqs_enter.isra.0+0x68/0x70
[74031.248058]  rcu_idle_enter+0x18/0x28
[74031.248322]  default_idle_call+0x40/0x150
[74031.248613]  do_idle+0x22c/0x298
[74031.249401]  cpu_startup_entry+0x30/0x78
[74031.249676]  secondary_start_kernel+0x170/0x1d8
[74031.250728]  __secondary_switched+0x90/0x94
[74031.251023] ---[ end trace 855a700cb92e3466 ]---


[96511.579607] CIFS: VFS: \\host_machine has not responded in 180 seconds. Reconnecting...
[98686.035911] CIFS: VFS: \\host_machine has not responded in 180 seconds. Reconnecting...
[98987.087330] CIFS: VFS: \\host_machine has not responded in 180 seconds. Reconnecting...
[99293.261376] CIFS: VFS: \\host_machine has not responded in 180 seconds. Reconnecting...
[115547.906940] CIFS: VFS: \\host_machine has not responded in 180 seconds. Reconnecting...
[115861.243804] CIFS: VFS: \\host_machine has not responded in 180 seconds. Reconnecting...
[116182.015477] CIFS: VFS: \\host_machine has not responded in 180 seconds. Reconnecting...

[pokekrishna]

Observation
VM does not power down. have to kill the qemu process which then results in orphaned inodes in /dev/vda2.

Powerdown logs

kg login: [  OK  ] Stopped CUPS Scheduler.
[  OK  ] Stopped LSB: automatic crash report generation.
[  OK  ] Started Show Plymouth Power Off Screen.
plymouth-poweroff.service
[  OK  ] Stopped Docker Application Container Engine.
         Stopping containerd container runtime...
[  OK  ] Stopped Session 1 of user kg.
[  OK  ] Stopped Tool to automatica…ubmit kernel crash signatures.
[  OK  ] Stopped Session 83 of user kg.
[  OK  ] Stopped target Host and Network Name Lookups.
         Stopping Login Service...
         Stopping User Manager for UID 1000...
[  OK  ] Unmounted /run/user/1000/gvfs.
[  OK  ] Stopped User Manager for UID 1000.
         Stopping User Runtime Directory /run/user/1000...
[  OK  ] Unmounted /run/user/1000.
[  OK  ] Unmounted RPC Pipe File System.
[119083.510833] CIFS: VFS: \\host_machine has not responded in 180 seconds. Reconnecting...
[  OK  ] Stopped Switcheroo Control Proxy service.
[  OK  ] Stopped Avahi mDNS/DNS-SD Stack.
[  OK  ] Stopped Refresh fwupd metadata and update motd.
[  OK  ] Stopped Disk Manager.
[  OK  ] Stopped Rotate log files.
[  OK  ] Removed slice system-serial\x2dgetty.slice.
[  OK  ] Stopped Refresh fwupd metadata regularly.
[  OK  ] Stopped Daily rotation of log files.
[  OK  ] Stopped target Network is Online.
[  OK  ] Stopped target System Time Synchronized.
[  OK  ] Stopped target System Time Set.
[  OK  ] Stopped Network Manager Wait Online.
         Stopping Authorization Manager...
[  OK  ] Stopped containerd container runtime.
[  OK  ] Stopped Login Service.
[  OK  ] Stopped User Runtime Directory /run/user/1000.
[  OK  ] Removed slice User Slice of UID 1000.
         Stopping Permit User Sessions...
[  OK  ] Stopped Permit User Sessions.
[  OK  ] Stopped target Network.
[  OK  ] Stopped target User and Group Name Lookups.
[  OK  ] Stopped target Remote File Systems.
[  OK  ] Stopped target Remote File Systems (Pre).
[  OK  ] Stopped target NFS client services.
         Stopping Network Manager...
         Stopping Network Name Resolution...
         Stopping WPA supplicant...
[  OK  ] Stopped WPA supplicant.
[  *** ] (3 of 3) A stop job is running for …e Resolution (8min 27s / 9min 22s)
[  OK  ] Stopped Authorization Manager.
[ ***  ] (1 of 2) A stop job is running for …ork Manager (13min 1s / 13min 52s)
qemu-system-aarch64: terminating on signal 2 from pid 4888 (<unknown process>)

Powerup Logs

/dev/vda2: recovering journal
/dev/vda2: Clearing orphaned inode 1079028 (uid=0, gid=0, mode=040700, size=4096)
/dev/vda2: Clearing orphaned inode 1079029 (uid=0, gid=0, mode=041777, size=4096)
/dev/vda2: Clearing orphaned inode 1079030 (uid=0, gid=0, mode=040700, size=4096)
/dev/vda2: Clearing orphaned inode 1079031 (uid=0, gid=0, mode=041777, size=4096)
/dev/vda2: Clearing orphaned inode 1077366 (uid=0, gid=0, mode=040700, size=4096)
/dev/vda2: Clearing orphaned inode 1077494 (uid=0, gid=0, mode=041777, size=4096)
/dev/vda2: Clearing orphaned inode 1078836 (uid=0, gid=0, mode=040700, size=4096)
/dev/vda2: Clearing orphaned inode 1079037 (uid=0, gid=0, mode=041777, size=4096)
/dev/vda2: Clearing orphaned inode 1079022 (uid=0, gid=0, mode=040700, size=4096)
/dev/vda2: Clearing orphaned inode 1079023 (uid=0, gid=0, mode=041777, size=4096)
/dev/vda2: Clearing orphaned inode 1079020 (uid=0, gid=0, mode=040700, size=4096)
/dev/vda2: Clearing orphaned inode 1079021 (uid=0, gid=0, mode=041777, size=4096)
/dev/vda2: Clearing orphaned inode 1079103 (uid=0, gid=0, mode=040700, size=4096)
/dev/vda2: Clearing orphaned inode 1079104 (uid=0, gid=0, mode=041777, size=4096)
/dev/vda2: Clearing orphaned inode 1079105 (uid=0, gid=0, mode=040700, size=4096)
/dev/vda2: Clearing orphaned inode 1079106 (uid=0, gid=0, mode=041777, size=4096)
/dev/vda2: Clearing orphaned inode 1079024 (uid=0, gid=0, mode=040700, size=4096)
/dev/vda2: Clearing orphaned inode 1079025 (uid=0, gid=0, mode=041777, size=4096)
/dev/vda2: Clearing orphaned inode 1079026 (uid=0, gid=0, mode=040700, size=4096)
/dev/vda2: Clearing orphaned inode 1079027 (uid=0, gid=0, mode=041777, size=4096)
/dev/vda2: clean, 361715/2588672 files, 4669833/10354176 blocks
[  OK  ] Started Show Plymouth Boot Screen.
plymouth-start.service
[  OK  ] Started Forward Password R…s to Plymouth Directory Watch.
[  OK  ] Reached target Local Encrypted Volumes.
[  OK  ] Found device /dev/ttyAMA0.
[  OK  ] Listening on Load/Save RF …itch Status /dev/rfkill Watch.
         Starting Platform Persistent Storage Archival...
[  OK  ] Finished Platform Persistent Storage Archival.
systemd-pstore.service
[  OK  ] Found device /dev/disk/by-uuid/9EFA-76C1.
         Starting File System Check…/dev/disk/by-uuid/9EFA-76C1...
[  OK  ] Started File System Check Daemon to report status.
systemd-fsckd.service
[  OK  ] Finished File System Check…n /dev/disk/by-uuid/9EFA-76C1.
         Mounting /boot/efi...
systemd-fsck@dev-disk-by\x2duuid-9EFA\x2d76C1.service
[  OK  ] Mounted /boot/efi.
[  OK  ] Reached target Local File Systems.
boot-efi.mount
         Starting Load AppArmor profiles...
         Starting Set console font and keymap...
         Starting Preprocess NFS configuration...
         Starting Tell Plymouth To Write Out Runtime Data...
         Starting Create Volatile Files and Directories...
[  OK  ] Finished Preprocess NFS configuration.
[  OK  ] Reached target NFS client services.
[  OK  ] Finished Set console font and keymap.
console-setup.service
[  OK  ] Finished Tell Plymouth To Write Out Runtime Data.
[  OK  ] Finished Create Volatile Files and Directories.
systemd-tmpfiles-setup.service
         Starting RPC bind portmap service...
         Starting Network Name Resolution...
         Starting Network Time Synchronization...
         Starting Update UTMP about System Boot/Shutdown...
[  OK  ] Finished Update UTMP about System Boot/Shutdown.
systemd-update-utmp.service
[  OK  ] Started RPC bind portmap service.
[  OK  ] Reached target Remote File Systems (Pre).
[  OK  ] Reached target RPC Port Mapper.
rpcbind.service
[  OK  ] Started Network Time Synchronization.
[  OK  ] Reached target System Time Set.
[  OK  ] Reached target System Time Synchronized.
systemd-timesyncd.service
[  OK  ] Started Network Name Resolution.
[  OK  ] Reached target Host and Network Name Lookups.
systemd-resolved.service
[  OK  ] Finished Load AppArmor profiles.
         Starting Load AppArmor pro…managed internally by snapd...
apparmor.service
[  OK  ] Finished Load AppArmor pro…s managed internally by snapd.
[  OK  ] Reached target System Initialization.
snapd.apparmor.service
[  OK  ] Started CUPS Scheduler.
[  OK  ] Started Trigger anacron every hour.
[  OK  ] Started Daily apt download activities.
[  OK  ] Started Daily apt upgrade and clean activities.
[  OK  ] Started Periodic ext4 Onli…ata Check for All Filesystems.
[  OK  ] Started Discard unused blocks once a week.
[  OK  ] Started Refresh fwupd metadata regularly.
[  OK  ] Started Daily rotation of log files.
[  OK  ] Started Daily man-db regeneration.
[  OK  ] Started Message of the Day.
[  OK  ] Started Daily Cleanup of Temporary Directories.
[  OK  ] Started Ubuntu Advantage Timer for running repeated jobs.
[  OK  ] Reached target Paths.
[  OK  ] Reached target Timers.
[  OK  ] Listening on Avahi mDNS/DNS-SD Stack Activation Socket.
[  OK  ] Listening on CUPS Scheduler.
[  OK  ] Listening on D-Bus System Message Bus Socket.
         Starting Docker Socket for the API.
         Starting Socket activation for snappy daemon.
[  OK  ] Listening on UUID daemon activation socket.
[  OK  ] Listening on Socket activation for snappy daemon.
[  OK  ] Listening on Docker Socket for the API.
[  OK  ] Reached target Sockets.
[  OK  ] Reached target Basic System.
         Starting Accounts Service...
[  OK  ] Started Run anacron jobs.
anacron.service
         Starting Avahi mDNS/DNS-SD Stack...
[  OK  ] Started CUPS Scheduler.
[  OK  ] Started D-Bus System Message Bus.
cups.service
dbus.service
         Starting Network Manager...
[  OK  ] Started Save initial kernel messages after boot.
dmesg.service
         Starting Remove Stale Onli…t4 Metadata Check Snapshots...
         Starting Record successful boot for GRUB...
[  OK  ] Started irqbalance daemon.
irqbalance.service
         Starting Dispatcher daemon for systemd-networkd...
         Starting Authorization Manager...
         Starting Restore /etc/reso… the ppp link was shut down...
         Starting System Logging Service...
         Starting Snap Daemon...
         Starting Switcheroo Control Proxy service...
         Starting Login Service...
         Starting Disk Manager...
         Starting WPA supplicant...
         Starting Rotate log files...
[  OK  ] Finished Restore /etc/reso…re the ppp link was shut down.
[  OK  ] Started System Logging Service.
rsyslog.service
[  OK  ] Finished Record successful boot for GRUB.
         Starting GRUB failed boot detection...
[  OK  ] Finished GRUB failed boot detection.
systemd-logind.service
avahi-daemon.service
[  OK  ] Started Login Service.
[  OK  ] Started Avahi mDNS/DNS-SD Stack.
[  OK  ] Started Make remote CUPS printers available locally.
[  OK  ] Started WPA supplicant.
cups-browsed.service
wpa_supplicant.service
[  OK  ] Started Switcheroo Control Proxy service.
         Starting Save/Restore Sound Card State...
switcheroo-control.service
[  OK  ] Finished Save/Restore Sound Card State.
[  OK  ] Reached target Sound Card.
alsa-restore.service
[  OK  ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots.
         Stopping CUPS Scheduler...
[  OK  ] Started Authorization Manager.
polkit.service
         Starting Modem Manager...
[  OK  ] Started Network Manager.
NetworkManager.service
[  OK  ] Reached target Network.
         Starting Network Manager Wait Online...
         Starting containerd container runtime...
         Starting OpenVPN service...
         Starting OpenBSD Secure Shell server...
[  OK  ] Started Unattended Upgrades Shutdown.
unattended-upgrades.service
[  OK  ] Finished OpenVPN service.
openvpn.service
         Starting Hostname Service...
[  OK  ] Stopped CUPS Scheduler.
cups.service
[  OK  ] Started CUPS Scheduler.
[  OK  ] Started OpenBSD Secure Shell server.
ssh.service
[  OK  ] Started Hostname Service.
systemd-hostnamed.service
[  OK  ] Started Accounts Service.
accounts-daemon.service
         Starting Network Manager Script Dispatcher Service...
[  OK  ] Started Disk Manager.
udisks2.service
[  OK  ] Started Network Manager Script Dispatcher Service.
NetworkManager-dispatcher.service
[  OK  ] Finished Rotate log files.
[  OK  ] Started Modem Manager.
ModemManager.service
[  OK  ] Started Dispatcher daemon for systemd-networkd.
networkd-dispatcher.service
[  OK  ] Started containerd container runtime.
containerd.service
tmp-syscheck\x2dmountpoint\x2d855723273.mount
[  OK  ] Started Snap Daemon.
snapd.service
         Starting Wait until snapd is fully seeded...
         Starting Time & Date Service...
[  OK  ] Started Time & Date Service.
systemd-timedated.service
[  OK  ] Finished Wait until snapd is fully seeded.
snapd.seeded.service
NetworkManager-wait-online.service
whoopsie.service
ubuntu-fan.service
mnt.mount
cron.service
systemd-user-sessions.service
kerneloops.service
apport.service
var-lib-docker-overlay2-1d2dd61bcd8929272843261262607bfe0ca975de46129f2fdb9fe1486d517e43-merged.mount
run-docker-netns-27ebc5feef20.mount
run-docker-netns-52ca5a9824fa.mount
run-docker-netns-9d205ac4692d.mount
run-docker-netns-adb7e2e27be1.mount
var-lib-docker-overlay2-42d9b60cb9583a2d13c14edc062648afaf0c18a2e58a93e55c99593594d39d57-merged.mount
var-lib-docker-containers-2a877b7f46ee6470e2ede88d05ead290189e47420ccb1f664c5c121328886dfd-mounts-shm.mount
run-docker-netns-12f3ac006c4c.mount
docker.service
gdm.service
run-user-125.mount
user-runtime-dir@125.service
user@125.service
rtkit-daemon.service
run-user-125-gvfs.mount
audio: Failed to create voice `adc'
upower.service
[  OK  ] Started Show Plymouth Boot Screen.
[  OK  ] Started Forward Password R…s to Plymouth Directory Watch.
[  OK  ] Reached target Local Encrypted Volumes.
[  OK  ] Found device /dev/ttyAMA0.
[  OK  ] Listening on Load/Save RF …itch Status /dev/rfkill Watch.
         Starting Platform Persistent Storage Archival...
[  OK  ] Finished Platform Persistent Storage Archival.
[  OK  ] Found device /dev/disk/by-uuid/9EFA-76C1.
         Starting File System Check…/dev/disk/by-uuid/9EFA-76C1...
[  OK  ] Started File System Check Daemon to report status.
[  OK  ] Finished File System Check…n /dev/disk/by-uuid/9EFA-76C1.
         Mounting /boot/efi...
[  OK  ] Mounted /boot/efi.
[  OK  ] Reached target Local File Systems.
         Starting Load AppArmor profiles...
         Starting Set console font and keymap...
         Starting Preprocess NFS configuration...
         Starting Tell Plymouth To Write Out Runtime Data...
         Starting Create Volatile Files and Directories...
[  OK  ] Finished Preprocess NFS configuration.
[  OK  ] Reached target NFS client services.
[  OK  ] Finished Set console font and keymap.
[  OK  ] Finished Tell Plymouth To Write Out Runtime Data.
[  OK  ] Finished Create Volatile Files and Directories.
         Starting RPC bind portmap service...
         Starting Network Name Resolution...
         Starting Network Time Synchronization...
         Starting Update UTMP about System Boot/Shutdown...
[  OK  ] Finished Update UTMP about System Boot/Shutdown.
[  OK  ] Started RPC bind portmap service.
[  OK  ] Reached target Remote File Systems (Pre).
[  OK  ] Reached target RPC Port Mapper.
[  OK  ] Started Network Time Synchronization.
[  OK  ] Reached target System Time Set.
[  OK  ] Reached target System Time Synchronized.
[  OK  ] Started Network Name Resolution.
[  OK  ] Reached target Host and Network Name Lookups.
[  OK  ] Finished Load AppArmor profiles.
         Starting Load AppArmor pro…managed internally by snapd...
[  OK  ] Finished Load AppArmor pro…s managed internally by snapd.
[  OK  ] Reached target System Initialization.
[  OK  ] Started CUPS Scheduler.
[  OK  ] Started Trigger anacron every hour.
[  OK  ] Started Daily apt download activities.
[  OK  ] Started Daily apt upgrade and clean activities.
[  OK  ] Started Periodic ext4 Onli…ata Check for All Filesystems.
[  OK  ] Started Discard unused blocks once a week.
[  OK  ] Started Refresh fwupd metadata regularly.
[  OK  ] Started Daily rotation of log files.
[  OK  ] Started Daily man-db regeneration.
[  OK  ] Started Message of the Day.
[  OK  ] Started Daily Cleanup of Temporary Directories.
[  OK  ] Started Ubuntu Advantage Timer for running repeated jobs.
[  OK  ] Reached target Paths.
[  OK  ] Reached target Timers.
[  OK  ] Listening on Avahi mDNS/DNS-SD Stack Activation Socket.
[  OK  ] Listening on CUPS Scheduler.
[  OK  ] Listening on D-Bus System Message Bus Socket.
         Starting Docker Socket for the API.
         Starting Socket activation for snappy daemon.
[  OK  ] Listening on UUID daemon activation socket.
[  OK  ] Listening on Socket activation for snappy daemon.
[  OK  ] Listening on Docker Socket for the API.
[  OK  ] Reached target Sockets.
[  OK  ] Reached target Basic System.
         Starting Accounts Service...
[  OK  ] Started Run anacron jobs.
         Starting Avahi mDNS/DNS-SD Stack...
[  OK  ] Started CUPS Scheduler.
[  OK  ] Started D-Bus System Message Bus.
         Starting Network Manager...
[  OK  ] Started Save initial kernel messages after boot.
         Starting Remove Stale Onli…t4 Metadata Check Snapshots...
         Starting Record successful boot for GRUB...
[  OK  ] Started irqbalance daemon.
         Starting Dispatcher daemon for systemd-networkd...
         Starting Authorization Manager...
         Starting Restore /etc/reso… the ppp link was shut down...
         Starting System Logging Service...
         Starting Snap Daemon...
         Starting Switcheroo Control Proxy service...
         Starting Login Service...
         Starting Disk Manager...
         Starting WPA supplicant...
         Starting Rotate log files...
[  OK  ] Finished Restore /etc/reso…re the ppp link was shut down.
[  OK  ] Started System Logging Service.
[  OK  ] Finished Record successful boot for GRUB.
         Starting GRUB failed boot detection...
[  OK  ] Finished GRUB failed boot detection.
[  OK  ] Started Login Service.
[  OK  ] Started Avahi mDNS/DNS-SD Stack.
[  OK  ] Started Make remote CUPS printers available locally.
[  OK  ] Started WPA supplicant.
[  OK  ] Started Switcheroo Control Proxy service.
         Starting Save/Restore Sound Card State...
[  OK  ] Finished Save/Restore Sound Card State.
[  OK  ] Reached target Sound Card.
[  OK  ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots.
         Stopping CUPS Scheduler...
[  OK  ] Started Authorization Manager.
         Starting Modem Manager...
[  OK  ] Started Network Manager.
[  OK  ] Reached target Network.
         Starting Network Manager Wait Online...
         Starting containerd container runtime...
         Starting OpenVPN service...
         Starting OpenBSD Secure Shell server...
[  OK  ] Started Unattended Upgrades Shutdown.
[  OK  ] Finished OpenVPN service.
         Starting Hostname Service...
[  OK  ] Stopped CUPS Scheduler.
[  OK  ] Started CUPS Scheduler.
[  OK  ] Started OpenBSD Secure Shell server.
[  OK  ] Started Hostname Service.
[  OK  ] Started Accounts Service.
         Starting Network Manager Script Dispatcher Service...
[  OK  ] Started Disk Manager.
[  OK  ] Started Network Manager Script Dispatcher Service.
[  OK  ] Finished Rotate log files.
[  OK  ] Started Modem Manager.
[  OK  ] Started Dispatcher daemon for systemd-networkd.
[  OK  ] Started containerd container runtime.
[  OK  ] Started Snap Daemon.
         Starting Wait until snapd is fully seeded...
         Starting Time & Date Service...
[  OK  ] Started Time & Date Service.
[  OK  ] Finished Wait until snapd is fully seeded.
audio: Failed to create voice `adc'