It happens from time to time with my Dell Inspiron as well (I happen to
have 5425, 7425 and 5625 models)
The mt7921e module reload seems to fix the issue.
I've created a root owned executable file at /usr/lib/systemd/system-
sleep/mt-wifi for it as
#!/bin/sh
PATH=/sbin:/usr/sbin:/bin:/usr/bin
if [ "$1" = "post" ]; then
modprobe mt7921e
elif [ "$1" = "pre" ]; then
modprobe -r mt7921e
fi
exit 0
--
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https://bugs.launchpad.net/bugs/1975444
Title:
mt7921e wifi fails to resume after suspend
Status in linux package in Ubuntu:
Expired
Bug description:
After resuming my suspended PC, the wifi becomes unresponsive. The
only way to get it working again is to do a full reboot. I'm using
Ubuntu 22.04 LTS Jammy and my wifi card is:
MEDIATEK Corp. MT7921K (RZ608) Wi-Fi 6E 80MHz using `mt7921e` driver.
This is what I can see in the logs:
kernel: mt7921e 0000:02:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x000a address=0x0 flags=0x0020]
kernel: mt7921e 0000:02:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x000a address=0x0 flags=0x0020]
kernel: mt7921e 0000:02:00.0: chip reset
kernel: mt7921e 0000:02:00.0: Message 0000004e (seq 7) timeout
kernel: mt7921e 0000:02:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x000a address=0x0 flags=0x0020]
kernel: mt7921e 0000:02:00.0: chip reset failed
kernel: mt7921e 0000:02:00.0: Failed to get patch semaphore
kernel: mt7921e 0000:02:00.0: Message 80000010 (seq 4) timeout
kernel: mt7921e 0000:02:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
kernel: mt7921e 0000:02:00.0: chip reset failed
kernel: mt7921e 0000:02:00.0: Failed to get patch semaphore
kernel: mt7921e 0000:02:00.0: Message 80000010 (seq 12) timeout
kernel: mt7921e 0000:02:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x000a address=0x0 flags=0x0020]
kernel: mt7921e 0000:02:00.0: Failed to get patch semaphore
kernel: mt7921e 0000:02:00.0: Message 80000010 (seq 11) timeout
kernel: mt7921e 0000:02:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x000a address=0x0 flags=0x0020]
kernel: mt7921e 0000:02:00.0: Failed to get patch semaphore
kernel: mt7921e 0000:02:00.0: Message 80000010 (seq 10) timeout
kernel: mt7921e 0000:02:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x000a address=0x0 flags=0x0020]
kernel: mt7921e 0000:02:00.0: Failed to get patch semaphore
kernel: mt7921e 0000:02:00.0: Message 80000010 (seq 9) timeout
kernel: mt7921_start+0x25/0x70 [mt7921e]
kernel: mt7921e 0000:02:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
domain=0x000a address=0x0 flags=0x0020]
kernel: PM: pci_legacy_suspend(): mt7921_pci_suspend+0x0/0x340 [mt7921e]
returns -110
kernel: mt7921e 0000:02:00.0: Message 40000007 (seq 2) timeout
kernel: mt7921_poll_rx+0x4f/0xe0 [mt7921e]
kernel: mt7921e 0000:02:00.0 wlp2s0: renamed from wlan0
NetworkManager: <info> [1653237444.7259] rfkill1: found Wi-Fi radio
killswitch (at
/sys/devices/pci0000:00/0000:00:02.2/0000:02:00.0/ieee80211/phy0/rfkill1)
(driver mt7921e)
kernel: mt7921e 0000:02:00.0: Firmware init done
kernel: mt7921_pci_driver_init+0x23/0x1000 [mt7921e]
kernel: mt7921e 0000:02:00.0: ASIC revision: 79610010
I really appreciate someone's help to fix this behaviour.
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu82.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: dsoles 1932 F.... pulseaudio
/dev/snd/controlC0: dsoles 1932 F.... pulseaudio
CRDA: N/A
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
DistroRelease: Ubuntu 22.04
InstallationDate: Installed on 2022-05-07 (16 days ago)
InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Release amd64
(20220419)
MachineType: AZW SER
Package: linux (not installed)
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.15.0-30-generic
root=UUID=212b8944-a42a-41d8-add0-95aa98d374fb ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 5.15.0-30.31-generic 5.15.30
RelatedPackageVersions:
linux-restricted-modules-5.15.0-30-generic N/A
linux-backports-modules-5.15.0-30-generic N/A
linux-firmware 20220329.git681281e4-0ubuntu3
Tags: jammy wayland-session
Uname: Linux 5.15.0-30-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip docker lpadmin lxd plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 01/21/2022
dmi.bios.release: 5.16
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: SER_V1.08_P3C6M43_B_Link
dmi.board.asset.tag: Default string
dmi.board.name: SER
dmi.board.vendor: AZW
dmi.board.version: V01
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 35
dmi.chassis.vendor: AZW
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrSER_V1.08_P3C6M43_B_Link:bd01/21/2022:br5.16:svnAZW:pnSER:pvrDefaultstring:rvnAZW:rnSER:rvrV01:cvnAZW:ct35:cvrDefaultstring:skuSKU4:
dmi.product.family: SER
dmi.product.name: SER
dmi.product.sku: SKU4
dmi.product.version: Default string
dmi.sys.vendor: AZW
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