Public bug reported:
Using an ACER Laptop here unddddddder Ubuntu 25.04, behavior was the same under
24.10 and 24.04 :
System Information
Manufacturer: Acer
Product Name: Aspire A515-57
Version: V1.30
WiFi card is :
0000:00:14.3 Network controller: Intel Corporation Alder Lake-P PCH CNVi WiFi
(rev 01)
Subsystem: Intel Corporation Dual Band Wi-Fi 6(802.11ax) AX201 160MHz
2x2 [Harrison Peak]
Flags: bus master, fast devsel, latency 0, IRQ 16, IOMMU group 9
Memory at 601f274000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [c8] Power Management version 3
Capabilities: [d0] MSI: Enable- Count=1/1 Maskable- 64bit+
Capabilities: [40] Express Root Complex Integrated Endpoint, IntMsgNum 0
Capabilities: [80] MSI-X: Enable+ Count=16 Masked-
Capabilities: [100] Latency Tolerance Reporting
Capabilities: [164] Vendor Specific Information: ID=0010 Rev=0 Len=014
<?>
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
When using WiFi connected to a 5GHz access point, within a random time
though mins to hours depending on the traffic usage on the card, the
iwlwifi driver can get unusable leading to impossibility to use WiFi on
the PC, only way to solve the problem after crash is to shutdown totally
the laptop and cold boot to recover a usable connection.
Attached are the logs found under dmesg which show when the problem
occurs.
ProblemType: Bug
DistroRelease: Ubuntu 25.04
Package: linux-image-generic 6.14.0-29.29
ProcVersionSignature: Ubuntu 6.14.0-29.29-generic 6.14.8
Uname: Linux 6.14.0-29-generic x86_64
ApportVersion: 2.32.0-0ubuntu5.3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: lolomin 2090 F.... pipewire
lolomin 2093 F.... wireplumber
/dev/snd/seq: lolomin 2090 F.... pipewire
CasperMD5CheckResult: pass
CurrentDesktop: X-Cinnamon
Date: Fri Aug 29 16:40:09 2025
InstallationDate: Installed on 2024-07-05 (420 days ago)
InstallationMedia: Ubuntu-Cinnamon 24.04 LTS "Noble Numbat" - Release amd64
(20240425)
MachineType: Acer Aspire A515-57
ProcEnviron:
LANG=fr_FR.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.14.0-29-generic
root=UUID=3b1ab1f5-3c43-4750-a198-2f3128d73147 ro security=selinux quiet splash
pcie_port_pm=off pcie_aspm.policy=performance vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-6.14.0-29-generic N/A
linux-backports-modules-6.14.0-29-generic N/A
linux-firmware 20250317.git1d4c88ee-0ubuntu1.5
SourcePackage: linux
UpgradeStatus: Upgraded to plucky on 2025-04-29 (122 days ago)
dmi.bios.date: 01/13/2025
dmi.bios.release: 1.30
dmi.bios.vendor: Insyde Corp.
dmi.bios.version: V1.30
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: Ganymede_ADU
dmi.board.vendor: ADL
dmi.board.version: V1.30
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.30
dmi.ec.firmware.release: 1.29
dmi.modalias:
dmi:bvnInsydeCorp.:bvrV1.30:bd01/13/2025:br1.30:efr1.29:svnAcer:pnAspireA515-57:pvrV1.30:rvnADL:rnGanymede_ADU:rvrV1.30:cvnAcer:ct10:cvrV1.30:sku0000000000000000:
dmi.product.family: Aspire 5
dmi.product.name: Aspire A515-57
dmi.product.sku: 0000000000000000
dmi.product.version: V1.30
dmi.sys.vendor: Acer
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug plucky
** Attachment added: "dmesg output"
https://bugs.launchpad.net/bugs/2121693/+attachment/5903559/+files/iwlwifi_problem_20250307.txt
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https://bugs.launchpad.net/bugs/2121693
Title:
iwlwifi drivers make network unavailable after some time
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