Public bug reported:
Crashes occur more frequently with heavy network traffic and can happen
every 5 minutes to 24+ hours. Stacktrace usually involves TCP.
Same behavior on two new motherboards (Asrock J4105M and Asrock
J5005-ITX) with different RAM type and brand. All other peripherals
removed and changed PSU (still crashed).
Enabled kdump and got a dozen dumps, will attach some.
Went from 5.4.0-40 to 5.4.0-29 and no crashes at all.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-40-generic 5.4.0-40.44
ProcVersionSignature: Ubuntu 5.4.0-40.44-generic 5.4.44
Uname: Linux 5.4.0-40-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: akom 2403 F.... pulseaudio
CasperMD5CheckResult: pass
Date: Sat Jul 18 17:28:40 2020
InstallationDate: Installed on 2020-07-04 (14 days ago)
InstallationMedia: Ubuntu-Server 20.04 LTS "Focal Fossa" - Release amd64
(20200423)
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 0781:5571 SanDisk Corp. Cruzer Fit
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Lsusb-t:
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/7p, 5000M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/9p, 480M
|__ Port 2: Dev 2, If 0, Class=Mass Storage, Driver=usb-storage, 480M
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
ProcEnviron:
TERM=screen
PATH=(custom, no user)
LANG=C.UTF-8
SHELL=/bin/bash
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-40-generic
root=UUID=2ef70f32-e7d2-4fed-992a-6a236076a72f ro crashkernel=512M-:512M
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-5.4.0-40-generic N/A
linux-backports-modules-5.4.0-40-generic N/A
linux-firmware 1.187.1
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/06/2018
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P1.40
dmi.board.name: J5005-ITX
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrP1.40:bd08/06/2018:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnJ5005-ITX:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.family: To Be Filled By O.E.M.
dmi.product.name: To Be Filled By O.E.M.
dmi.product.sku: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
** Attachment added: "Latest kdump running 5.4.0-40"
https://bugs.launchpad.net/bugs/1888090/+attachment/5393931/+files/202007161537.tar.gz
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https://bugs.launchpad.net/bugs/1888090
Title:
Frequent Kernel panic in 5.4.0-40 but not 5.4.0-29 on Gemini Lake cpu
and r8169r
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