![]() ![]() After this happens I can not reconnect, I can not restart network manager and then reconnect (I tried restart it by different ways I found in internet: systemctl restart network-manager sudo killall NetworkManager sudo ifconfig wlp2s0 down, sudo ifconfig wlp2s0 up sudo systemctl restart NetworkManager. With 90% of probability it happens when I use speedtest site. Network manager in tray shows wifi is connected but with 0% power. From time to time, wifi networking is stopped. But in the case I use modern router with 5GHz (fibra, optical line) I have the following issue. wifi problems happens rarely, one a day or less). I noticed that old routers with 2.4 GHz work fine with laptop (i.e. My system is LinuxMint 20.2 with kernel 5.13.0-23-generic. I have laptop "HP ProBook 455 G7 (1F3M4EA)" with WiFi card RTL8822CE. I just would like to add my (newbie) observation on the similar problem (maybe it can be useful for developers). :bvrYHSM- BI-11.6- X116AR300- AA55C-195- A:bd05/ 26/2020: br5.12: efr1.6: svnProtempoLtd: pnL116HTN6SPW: pvrDefaultstrin g:rvnDefaultstr ing:rnDefaultst ring:rvrDefault string: cvnDefaultstrin g:ct10: cvrDefaultstrin g: KEYBOARD MAESTRO IDLE HANDLER UPGRADEUpgradeStatus: No upgrade log present (probably fresh install)ĭmi.bios.vendor: American Megatrends Inc.ĭmi.bios.version: YHSM-BI- 11.6-X116AR300- AA55C-195- Aĭmi.modalias: dmi:bvnAmerican MegatrendsInc. Linux- backports- modules- 5.11.0- 16-generic N/A Linux- restricted- modules- 5.11.0- 16-generic N/A ![]() ProcKernelCmdLine: BOOT_IMAGE= /boot/vmlinuz- 5.11.0- 16-generic root=UUID= f3700d1b- be99-4cb7- baef-c0f157487c 64 ro quiet splash pci=noaer vt.handoff=7 RTS5129 Card Reader Controllerīus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub KEYBOARD MAESTRO IDLE HANDLER BLUETOOTHBluetooth Radioīus 001 Device 002: ID 0bda:0129 Realtek Semiconductor Corp. USB 2.0 Cameraīus 001 Device 003: ID 0bda:c821 Realtek Semiconductor Corp. InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Release amd64 (20210420)īus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hubīus 001 Device 004: ID 058f:5608 Alcor Micro Corp. InstallationDate: Installed on (14 days ago) (having blacklisted rtw88_8821ce), and it seems to work perfectly. Please let me know if I should try to collect some info, and how.įor now I use the DKMS module/driver from All I can do is to hold the power button to power off, then reboot.Īfter reboot, I do not see any crash reports, nor logs about the freeze. However, this module (driver) causes frequent freezes, randomly but usually within a few minutes of running (thus very soon after boot): screen display remains frozen, no response to either keyboard or mouse input. ![]() Now at hirsute, this is "supported" in the linux-image- 5.11.0- 16-generic kernel,and it works "well" for both WiFi and Bluetooth. My laptop (Ollee L116HTN6SPW) has a Realtek 8821CE WiFi card. ![]()
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