[Bug 2048945]

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https://bugs.launchpad.net/bugs/2048945

Title:
scsi_eh_* process using idle CPU after upgrade to kernel 6.5

Status in linux:
Confirmed
Status in linux package in Ubuntu:
Confirmed
Status in linux-aws-6.5 package in Ubuntu:
Confirmed
Status in linux-hwe-6.5 package in Ubuntu:
Confirmed
Status in linux-meta-hwe-6.5 package in Ubuntu:
Confirmed
Status in linux-signed-hwe-6.5 package in Ubuntu:
Confirmed

Bug description:
Possibly related to https://lkml.kernel.org/linux-
scsi/7611d95d0aada3814a5b140661b3b5188b8b86bb.camel@redhat.com/T/

Getting alerts from monitoring tools about high average CPU usage.
Machine reporting the following:

root@server:~# uptime
17:04:34 up 14 days, 6:33, 2 users, load average: 15.66, 15.88, 15.94

root@server:~# top -d 1

top - 17:04:49 up 14 days, 6:33, 2 users, load average: 15.59, 15.85, 15.93
Tasks: 223 total, 1 running, 222 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0.7 us, 1.4 sy, 0.0 ni, 49.3 id, 48.6 wa, 0.0 hi, 0.0 si, 0.0 st
MiB Mem : 7896.6 total, 1772.6 free, 1163.9 used, 4960.0 buff/cache
MiB Swap: 2048.0 total, 1784.6 free, 263.4 used. 6431.6avail Mem

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
88 root 20 0 0 0 0 D 55.4 0.0 11275:46 scsi_eh_1

root@server:~# lsb_release -rd
Description: Ubuntu 22.04.3 LTS
Release: 22.04

root@server:~# apt-cache policy linux-image-virtual-hwe-22.04-edge
linux-image-virtual-hwe-22.04-edge:
Installed: 6.5.0.14.14~22.04.6
Candidate: 6.5.0.14.14~22.04.7
Version table:
6.5.0.14.14~22.04.7 500
500 http://us.archive.ubuntu.com/ubuntu jammy-updates/main amd64 Packages
500 http://security.ubuntu.com/ubuntu jammy-security/main amd64 Packages
*** 6.5.0.14.14~22.04.6 100
100 /var/lib/dpkg/status
5.15.0.25.27 500
500 http://us.archive.ubuntu.com/ubuntu jammy/main amd64 Packages

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: linux-image-6.5.0-14-generic 6.5.0-14.14~22.04.1
ProcVersionSignature: Ubuntu 6.5.0-14.14~22.04.1-generic 6.5.3
Uname: Linux 6.5.0-14-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.5
Architecture: amd64
CasperMD5CheckResult: unknown
Date: Wed Jan 10 17:02:50 2024
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: linux-signed-hwe-6.5
UpgradeStatus: Upgraded to jammy on 2023-05-02 (253 days ago)
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu82.5
Architecture: amd64
CasperMD5CheckResult: unknown
DistroRelease: Ubuntu 22.04
Package: linux-image-virtual-hwe-22.04-edge 6.5.0.14.14~22.04.6
PackageArchitecture: amd64
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 6.5.0-14.14~22.04.1-generic 6.5.3
Tags: jammy third-party-packages
Uname: Linux 6.5.0-14-generic x86_64
UpgradeStatus: Upgraded to jammy on 2023-05-02 (253 days ago)
UserGroups: N/A
_MarkForUpload: True
---
ProblemType: Bug
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Dec 27 10:31 seq
crw-rw---- 1 root audio 116, 33 Dec 27 10:31 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.20.11-0ubuntu82.5
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
CRDA: N/A
CasperMD5CheckResult: unknown
DistroRelease: Ubuntu 22.04
HibernationDevice: #RESUME=UUID=9bf7612f-b07b-4adf-9760-0c14b8d7d6fc
IwConfig:
lo no wireless extensions.

eth0 no wireless extensions.
Lsusb: Error: command ['lsusb'] failed with exit code 1:
Lsusb-t:

Lsusb-v: Error: command ['lsusb', '-v'] failed with exit code 1:
MachineType: VMware, Inc. VMware Virtual Platform
Package: linux (not installed)
PciMultimedia:

ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 vmwgfxdrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.5.0-14-generic root=UUID=07ffde4f-b32f-41fe-81dd-4fe4b186dab4 ro
ProcVersionSignature: Ubuntu 6.5.0-14.14~22.04.1-generic 6.5.3
RelatedPackageVersions:
linux-restricted-modules-6.5.0-14-generic N/A
linux-backports-modules-6.5.0-14-generic N/A
linux-firmware 20220329.git681281e4-0ubuntu3.23
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
Tags: jammy
Uname: Linux 6.5.0-14-generic x86_64
UpgradeStatus: Upgraded to jammy on 2023-05-02 (253 days ago)
UserGroups: N/A
_MarkForUpload: True
dmi.bios.date: 11/12/2020
dmi.bios.release: 4.6
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: 6.00
dmi.board.name: 440BX Desktop Reference Platform
dmi.board.vendor: Intel Corporation
dmi.board.version: None
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 1
dmi.chassis.vendor: No Enclosure
dmi.chassis.version: N/A
dmi.ec.firmware.release: 0.0
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvr6.00:bd11/12/2020:br4.6:efr0.0:svnVMware,Inc.:pnVMwareVirtualPlatform:pvrNone:rvnIntelCorporation:rn440BXDesktopReferencePlatform:rvrNone:cvnNoEnclosure:ct1:cvrN/A:sku:
dmi.product.name: VMware Virtual Platform
dmi.product.version: None
dmi.sys.vendor: VMware, Inc.
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu82.5
Architecture: amd64
CasperMD5CheckResult: unknown
DistroRelease: Ubuntu 22.04
Package: linux-image-virtual-hwe-22.04-edge 6.5.0.17.17~22.04.9 [origin: unknown]
PackageArchitecture: amd64
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 6.5.0-17.17~22.04.1-generic 6.5.8
Tags: jammy third-party-packages
Uname: Linux 6.5.0-17-generic x86_64
UnreportableReason: This does not seem to be an official Ubuntu package. Please retry after updating the indexes of available packages, if that does not work then remove related third party packages and try again.
UpgradeStatus: Upgraded to jammy on 2023-05-02 (266 days ago)
UserGroups: N/A
_MarkForUpload: True
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu82.5
Architecture: amd64
CasperMD5CheckResult: unknown
DistroRelease: Ubuntu 22.04
Package: linux-image-6.5.0-17-generic 6.5.0-17.17~22.04.1 [origin: unknown]
PackageArchitecture: amd64
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 6.5.0-17.17~22.04.1-generic 6.5.8
Tags: jammy third-party-packages
Uname: Linux 6.5.0-17-generic x86_64
UnreportableReason: This does not seem to be an official Ubuntu package. Please retry after updating the indexes of available packages, if that does not work then remove related third party packages and try again.
UpgradeStatus: Upgraded to jammy on 2023-05-02 (266 days ago)
UserGroups: N/A
_MarkForUpload: True

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