This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1906913
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
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** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1906913
Title:
IRQ conflict between Ethernet and USB with linux 5.4.0-56-lowlatency
kernel
Status in linux package in Ubuntu:
Confirmed
Bug description:
Package: linux-image-5.4.0.56.lowlatency / Focal Ubuntu Studio 20.04
WLan is working PCI Ethernet not.
[ 11.223573] genirq: Flags mismatch irq 18. 00010080 (enp3s1) vs. 00002080
(uhci_hcd:usb4)
[ 11.299519] genirq: Flags mismatch irq 16. 00010080 (ens32) vs. 00002080
(uhci_hcd:usb5)
Maybe this report can helpfull for bug 1906655. sounds similar for other
kernel.
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu27.13
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: oliver 2033 F.... pulseaudio
/dev/snd/controlC0: oliver 2033 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: XFCE
DistroRelease: Ubuntu 20.04
InstallationDate: Installed on 2020-04-01 (247 days ago)
InstallationMedia: Ubuntu-Studio 20.04.1 LTS "Focal Fossa" - Release amd64
(20200731)
MachineType: ECS G31T-M7
NonfreeKernelModules: nvidia_modeset nvidia
Package: linux (not installed)
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-56-lowlatency
root=UUID=d918f4d9-9814-4dbd-a547-02a0ddc59f12 ro quiet splash vt.handoff=1
ProcVersionSignature: Ubuntu 5.4.0-56.62-lowlatency 5.4.73
RelatedPackageVersions:
linux-restricted-modules-5.4.0-56-lowlatency N/A
linux-backports-modules-5.4.0-56-lowlatency N/A
linux-firmware 1.187.4
RfKill:
StagingDrivers: r8712u
Tags: focal staging
Uname: Linux 5.4.0-56-lowlatency x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm audio cdrom dialout dip lp lpadmin plugdev sambashare saned
scanner sudo video
_MarkForUpload: True
dmi.bios.date: 03/01/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 080014
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: G31T-M7
dmi.board.vendor: ECS
dmi.board.version: 1.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: ECS
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr080014:bd03/01/2010:svnECS:pnG31T-M7:pvr1.0:rvnECS:rnG31T-M7:rvr1.0:cvnECS:ct3:cvr1.0:
dmi.product.family: To Be Filled By O.E.M.
dmi.product.name: G31T-M7
dmi.product.sku: To Be Filled By O.E.M.
dmi.product.version: 1.0
dmi.sys.vendor: ECS
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