Public bug reported:
See attached dmesg, each time this server is rebooted it emits a
concerning bcache warning.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-54-generic 4.15.0-54.58
ProcVersionSignature: Ubuntu 4.15.0-54.58-generic 4.15.18
Uname: Linux 4.15.0-54-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version
k4.15.0-54-generic.
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
ApportVersion: 2.20.9-0ubuntu7.7
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path',
'/dev/snd/hwC0D2', '/dev/snd/pcmC0D2c', '/dev/snd/pcmC0D3c',
'/dev/snd/pcmC0D3p', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p',
'/dev/snd/controlC0', '/dev/snd/hwC1D0', '/dev/snd/pcmC1D3p',
'/dev/snd/controlC1', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer':
'amixer'
Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer':
'amixer'
Card1.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer':
'amixer'
Card1.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer':
'amixer'
Date: Wed Jul 24 12:28:06 2019
InstallationDate: Installed on 2013-10-04 (2119 days ago)
InstallationMedia: Ubuntu-Server 13.10 "Saucy Salamander" - Beta amd64
(20130925.1)
MachineType: Supermicro X9DAi
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-54-generic
root=UUID=8577302d-1f37-40a6-afcd-385beb26059f ro nomodeset elevator=deadline
nvme_core.default_ps_max_latency_us=0 nopti noibrs noibpb
RelatedPackageVersions:
linux-restricted-modules-4.15.0-54-generic N/A
linux-backports-modules-4.15.0-54-generic N/A
linux-firmware 1.173.9
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
SourcePackage: linux
UpgradeStatus: Upgraded to bionic on 2018-06-09 (409 days ago)
dmi.bios.date: 05/09/2015
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 3.2
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: X9DAi
dmi.board.vendor: Supermicro
dmi.board.version: 0123456789
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: Supermicro
dmi.chassis.version: 0123456789
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr3.2:bd05/09/2015:svnSupermicro:pnX9DAi:pvr0123456789:rvnSupermicro:rnX9DAi:rvr0123456789:cvnSupermicro:ct3:cvr0123456789:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: X9DAi
dmi.product.version: 0123456789
dmi.sys.vendor: Supermicro
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
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https://bugs.launchpad.net/bugs/1837788
Title:
bcache kernel warning when attaching device
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