After upgrading Ubuntu Mate to 20.04 , my wifi crashed on Lenovo legion Y530. The strange thing is that it connects to the network, i have internet for some time (usually between 1 and 10 minutes) and then it disconnects.
After that, the applet shows me something like device not ready and i can only restart the computer to connect. Then it crashes again...
I also tried a fresh install with the same results.
I used 19.04 and 19.10 on the same laptop as my primary operating system and wifi worked flawlessly.
Since I do my work on this laptop i was forced to downgrade back to 19.10 for now.
This is my lshw -C network (from 19.10 If I remember correctly it was RTL8822BE also in 20.04)
*-network
description: Wireless interface
product: RTL8822BE 802.11a/b/g/n/ac WiFi adapter
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:07:00.0
logical name: wlp7s0
version: 00
serial: dc:a2:66:80:7d:7d
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rtw_pci driverversion=5.3.0-46-generic firmware=N/A ip=192.168.0.146 latency=0 link=yes multicast=yes wireless=IEEE 802.11
resources: irq:141 ioport:4000(size=256) memory:a4300000-a430ffff
*-network
description: Ethernet interface
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:08:00.0
logical name: enp8s0
version: 15
serial: 8c:16:45:e9:e9:a8
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 firmware=rtl8168h-2_0.0.2 02/26/15 latency=0 link=no multicast=yes port=MII
resources: irq:17 ioport:3000(size=256) memory:a4204000-a4204fff memory:a4200000-a4203fff
and my lspci -nnk | grep -A2 0280
07:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8822BE 802.11a/b/g/n/ac WiFi adapter [10ec:b822]
Subsystem: Lenovo RTL8822BE 802.11a/b/g/n/ac WiFi adapter [17aa:b023]
Kernel driver in use: rtw_pci
If you think it is necessary, I can try to install 20.04 on an external hard drive and give you some more info from there.
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: campus 1207 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: MATE
DistroRelease: Ubuntu 20.04
InstallationDate: Installed on 2020-05-09 (0 days ago)
InstallationMedia: Ubuntu-MATE 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
MachineType: LENOVO 81FV
NonfreeKernelModules: nvidia_modeset nvidia
Package: linux (not installed)
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-29-generic root=UUID=2ba3f662-50a5-4db8-a5e1-ddaf5e09d5a9 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 5.4.0-29.33-generic 5.4.30
RelatedPackageVersions:
linux-restricted-modules-5.4.0-29-generic N/A
linux-backports-modules-5.4.0-29-generic N/A
linux-firmware 1.187
Tags: focal
Uname: Linux 5.4.0-29-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 07/18/2018
dmi.bios.vendor: LENOVO
dmi.bios.version: 8JCN43WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: NO DPK
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo Legion Y530-15ICH
dmi.modalias: dmi:bvnLENOVO:bvr8JCN43WW:bd07/18/2018:svnLENOVO:pn81FV:pvrLenovoLegionY530-15ICH:rvnLENOVO:rnLNVNB161216:rvrNODPK:cvnLENOVO:ct10:cvrLenovoLegionY530-15ICH:
dmi.product.family: Legion Y530-15ICH
dmi.product.name: 81FV
dmi.product.sku: LENOVO_MT_81FV_BU_idea_FM_Legion Y530-15ICH
dmi.product.version: Lenovo Legion Y530-15ICH
dmi.sys.vendor: LENOVO
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 1875099
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 Ubuntu Kernel Team.