Public bug reported:
When I browse the internet, from time to time I lose the connection.
I have to disable the wifi and enable it again after the iwlwifi crashes to be
able to browse again.
Hardware: Intel Wireless 9260
Firmware: 9260-th-b0-jf-b0-46.ucode.
firmware version: 46.7e3e4b69.0 9260-th-b0-jf-b0-46.ucode
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: linux-image-7.0.0-15-generic 7.0.0-15.15
ProcVersionSignature: Ubuntu 7.0.0-15.15-generic 7.0.0
Uname: Linux 7.0.0-15-generic x86_64
ApportVersion: 2.34.0-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Fri May 15 13:26:52 2026
InstallationDate: Installed on 2023-07-24 (1026 days ago)
InstallationMedia: Ubuntu 23.04 "Lunar Lobster" - Release amd64 (20230418)
MachineType: Daten Tecnologia Ltda DC2A-T
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-7.0.0-15-generic
root=UUID=c561caf0-d813-4ea4-b0d6-bffd781c6b12 ro quiet splash
crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M
SourcePackage: linux
UpgradeStatus: Upgraded to resolute on 2026-05-14 (1 days ago)
dmi.bios.date: 10/23/2020
dmi.bios.release: 5.14
dmi.bios.vendor: Daten Tecnologia Ltda
dmi.bios.version: DA301A
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: DA3PRO
dmi.board.vendor: Daten Tecnologia Ltda
dmi.board.version: DC
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: Daten Tecnologia Ltda
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnDatenTecnologiaLtda:bvrDA301A:bd10/23/2020:br5.14:svnDatenTecnologiaLtda:pnDC2A-T:pvrDefaultstring:rvnDatenTecnologiaLtda:rnDA3PRO:rvrDC:cvnDatenTecnologiaLtda:ct3:cvrDefaultstring:skuMB1AV1VN003:pfaA-D300:
dmi.product.family: A-D300
dmi.product.name: DC2A-T
dmi.product.sku: MB1AV1VN003
dmi.product.version: Default string
dmi.sys.vendor: Daten Tecnologia Ltda
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute
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https://bugs.launchpad.net/bugs/2152716
Title:
iwlwifi: Microcode SW error detected (NMI_INTERRUPT_UMAC_FATAL) -
Intel Wireless 9260
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