This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1982014
Title:
kernel panics/hangs after upgrading to linux-
image-5.4.0-122-generic:amd64
Status in linux package in Ubuntu:
Confirmed
Bug description:
We had a series of unattended-upgrades:
```
Start-Date: 2022-07-13 06:19:32
Commandline: /usr/bin/unattended-upgrade
Install: linux-modules-extra-5.4.0-122-generic:amd64 (5.4.0-122.138,
automatic), linux-modules-5.4.0-122-generic:amd64 (5.4.0-122.138, automatic),
linux-headers-5.4.0-122:amd64 (5.4.0-122.138, automatic),
linux-headers-5.4.0-122-generic:amd64 (5.4.0-122.138, automatic),
linux-image-5.4.0-122-generic:amd64 (5.4.0-122.138, automatic)
Upgrade: linux-headers-generic:amd64 (5.4.0.121.122, 5.4.0.122.123),
linux-image-generic:amd64 (5.4.0.121.122, 5.4.0.122.123), linux-generic:amd64
(5.4.0.121.122, 5.4.0.122.123)
End-Date: 2022-07-13 06:20:56
Start-Date: 2022-07-13 06:21:00
Commandline: /usr/bin/unattended-upgrade
Remove: linux-headers-5.4.0-120-generic:amd64 (5.4.0-120.136),
linux-headers-5.4.0-120:amd64 (5.4.0-120.136)
End-Date: 2022-07-13 06:21:05
Start-Date: 2022-07-13 06:21:09
Commandline: /usr/bin/unattended-upgrade
Remove: linux-modules-extra-5.4.0-120-generic:amd64 (5.4.0-120.136),
linux-modules-5.4.0-120-generic:amd64 (5.4.0-120.136),
linux-image-5.4.0-120-generic:amd64 (5.4.0-120.136)
End-Date: 2022-07-13 06:21:28
```
The same day, I performed a manual upgrade:
```
Start-Date: 2022-07-13 14:20:07
Commandline: apt upgrade
Upgrade: pdns-backend-pgsql:amd64 (4.6.2-1pdns.focal, 4.6.3-1pdns.focal),
pdns-server:amd64 (4.6.2-1pdns.focal, 4.6.3-1pdns.focal), git-man:amd64
(1:2.25.1-1ubuntu3.4, 1:2.25.1-1ubuntu3.5), git:amd64 (1:2.25.1-1ubuntu3.4,
1:2.25.1-1ubuntu3.5), linux-firmware:amd64 (1.187.31, 1.187.32),
pdns-backend-bind:amd64 (4.6.2-1pdns.focal, 4.6.3-1pdns.focal)
End-Date: 2022-07-13 14:22:01
```
followed by a reboot.
Within a short period, the computer (bare metal, living in a data
center) would hang (not respond to console, ping, ssh, ...) or panic.
After a couple of rounds of asking the IT staff to find the box and
kick it (sometimes they saw an actual report of a panic, and sometimes
it just didn't show anything), I reverted `linux-firmware:amd64` to
`1.187.31` and rebooted. This did not fix the problem.
Eventually we realized that the earlier thing had upgraded the kernel
separately. Reverting that to the previous (5.4.0-121.137) kernel
resulted in a reliable happy box.
```
ii binutils-x86-64-linux-gnu 2.34-6ubuntu1.3
amd64 GNU binary utilities, for x86-64-linux-gnu target
ii linux-base 4.5ubuntu3.7
all Linux image base package
ii linux-firmware 1.187.31
all Firmware for Linux kernel drivers
ii linux-headers-5.4.0-121 5.4.0-121.137
all Header files related to Linux kernel version 5.4.0
ii linux-headers-5.4.0-121-generic 5.4.0-121.137
amd64 Linux kernel headers for version 5.4.0 on 64 bit x86 SMP
rc linux-image-5.4.0-100-generic 5.4.0-100.113
amd64 Signed kernel image generic
rc linux-image-5.4.0-104-generic 5.4.0-104.118
amd64 Signed kernel image generic
rc linux-image-5.4.0-105-generic 5.4.0-105.119
amd64 Signed kernel image generic
rc linux-image-5.4.0-107-generic 5.4.0-107.121
amd64 Signed kernel image generic
rc linux-image-5.4.0-109-generic 5.4.0-109.123
amd64 Signed kernel image generic
rc linux-image-5.4.0-110-generic 5.4.0-110.124
amd64 Signed kernel image generic
rc linux-image-5.4.0-113-generic 5.4.0-113.127
amd64 Signed kernel image generic
rc linux-image-5.4.0-117-generic 5.4.0-117.132
amd64 Signed kernel image generic
rc linux-image-5.4.0-120-generic 5.4.0-120.136
amd64 Signed kernel image generic
ii linux-image-5.4.0-121-generic 5.4.0-121.137
amd64 Signed kernel image generic
rc linux-image-5.4.0-122-generic 5.4.0-122.138
amd64 Signed kernel image generic
rc linux-image-5.4.0-94-generic 5.4.0-94.106
amd64 Signed kernel image generic
rc linux-image-5.4.0-96-generic 5.4.0-96.109
amd64 Signed kernel image generic
rc linux-image-5.4.0-97-generic 5.4.0-97.110
amd64 Signed kernel image generic
rc linux-image-5.4.0-99-generic 5.4.0-99.112
amd64 Signed kernel image generic
ii linux-libc-dev:amd64 5.4.0-122.138
amd64 Linux Kernel Headers for development
rc linux-modules-5.4.0-100-generic 5.4.0-100.113
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-5.4.0-104-generic 5.4.0-104.118
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-5.4.0-105-generic 5.4.0-105.119
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-5.4.0-107-generic 5.4.0-107.121
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-5.4.0-109-generic 5.4.0-109.123
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-5.4.0-110-generic 5.4.0-110.124
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-5.4.0-113-generic 5.4.0-113.127
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-5.4.0-117-generic 5.4.0-117.132
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-5.4.0-120-generic 5.4.0-120.136
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
ii linux-modules-5.4.0-121-generic 5.4.0-121.137
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-5.4.0-122-generic 5.4.0-122.138
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-5.4.0-62-generic 5.4.0-62.70
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-5.4.0-94-generic 5.4.0-94.106
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-5.4.0-96-generic 5.4.0-96.109
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-5.4.0-97-generic 5.4.0-97.110
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-5.4.0-99-generic 5.4.0-99.112
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-extra-5.4.0-100-generic 5.4.0-100.113
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-extra-5.4.0-104-generic 5.4.0-104.118
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-extra-5.4.0-105-generic 5.4.0-105.119
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-extra-5.4.0-107-generic 5.4.0-107.121
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-extra-5.4.0-109-generic 5.4.0-109.123
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-extra-5.4.0-110-generic 5.4.0-110.124
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-extra-5.4.0-113-generic 5.4.0-113.127
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-extra-5.4.0-117-generic 5.4.0-117.132
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-extra-5.4.0-120-generic 5.4.0-120.136
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
ii linux-modules-extra-5.4.0-121-generic 5.4.0-121.137
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-extra-5.4.0-122-generic 5.4.0-122.138
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-extra-5.4.0-94-generic 5.4.0-94.106
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-extra-5.4.0-96-generic 5.4.0-96.109
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-extra-5.4.0-97-generic 5.4.0-97.110
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
rc linux-modules-extra-5.4.0-99-generic 5.4.0-99.112
amd64 Linux kernel extra modules for version 5.4.0 on 64 bit
x86 SMP
```
```
lsb_release -rd
Description: Ubuntu 20.04.4 LTS
Release: 20.04
```
3) What you expected to happen
1. Servers that have been reliable for years should not spontaneously
panic/hang (neither in general, nor after an upgrade, especially not an
automated one)
2. Ideally as on Windows, a minidump should be safely generated to a volume
so that I can provide it to support (or quickly debug it w/o losing many days
and sleepless nights).
4) What happened instead
The computer would panic or hang and necessitate an actual human to go find
the computer and kick it. During which time, I had to adjust routing so that
another server could handle this server's job responsibilities. (And I had to
have others do the same, as it happened repeatedly.)
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-121-generic 5.4.0-121.137
ProcVersionSignature: Ubuntu 5.4.0-121.137-generic 5.4.189
Uname: Linux 5.4.0-121-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
AlsaVersion: Advanced Linux Sound Architecture Driver Version
k5.4.0-121-generic.
ApportVersion: 2.20.11-0ubuntu27.24
Architecture: amd64
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path',
'/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D2c',
'/dev/snd/pcmC0D1p', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
Card0.Amixer.info:
Card hw:0 'MID'/'HDA Intel MID at 0xfbeec000 irq 33'
Mixer name : 'Realtek ALC889'
Components : 'HDA:10ec0889,15d9060d,00100004'
Controls : 55
Simple ctrls : 24
CasperMD5CheckResult: skip
Date: Mon Jul 18 13:16:53 2022
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
Lsusb:
Bus 002 Device 003: ID 14dd:0002 Raritan Computer, Inc.
Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Supermicro C7SIM-Q
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-121-generic
root=UUID=25b80abe-c15a-4298-9a39-b83ed0d7a02f ro net.ifnames=0 biosdevname=0
quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.4.0-121-generic N/A
linux-backports-modules-5.4.0-121-generic N/A
linux-firmware 1.187.31
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: Upgraded to focal on 2020-10-21 (635 days ago)
dmi.bios.date: 08/16/10
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1.0b
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: C7SIM-Q
dmi.board.vendor: Supermicro
dmi.board.version: 0123456789
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 24
dmi.chassis.vendor: Supermicro
dmi.chassis.version: 0123456789
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1.0b:bd08/16/10:svnSupermicro:pnC7SIM-Q:pvr0123456789:rvnSupermicro:rnC7SIM-Q:rvr0123456789:cvnSupermicro:ct24:cvr0123456789:
dmi.product.family: To Be Filled By O.E.M.
dmi.product.name: C7SIM-Q
dmi.product.sku: To Be Filled By O.E.M.
dmi.product.version: 0123456789
dmi.sys.vendor: Supermicro
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