Arch Linux

imalireza3

Member

Registered: 2023-01-16

Posts: 1

Problem with internet connection

Hi guys,
I really have no idea what is going on but It seems like my internet speed drops suddenly and this only happens on my arch OS ( I have no problem with my phone or other devices connected to the same router).

The thing that makes it funnier is that reconnecting gains back the speed for some reason. so after the speed drops my last resort is to run reconnect to the router or restart network manager service and these solve the issue temporary.

Here are some details provided

╰─$ lspci -k | grep -A3 -i network

02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe Wireless Network Adapter
        Subsystem: Lenovo Device c024
        Kernel driver in use: rtw_8821ce
        Kernel modules: rtw88_8821ce, rtw_8821ce

I saw some forums about the problem with **rtw88** and I also tried reinstalling it.

I also sometimes - mostly when I experience the problem with my connection - see the below in journalctl; getting printed out repeatedly.

Oct 09 01:04:08 alireza kernel: rtw_8821ce 0000:02:00.0: firmware failed to leave lps state
Oct 09 01:04:08 alireza kernel: rtw_8821ce 0000:02:00.0: failed to send h2c command
Oct 09 01:04:08 alireza kernel: rtw_8821ce 0000:02:00.0: failed to send h2c command
Oct 09 01:04:08 alireza kernel: rtw_8821ce 0000:02:00.0: failed to send h2c command
Oct 09 01:04:08 alireza kernel: rtw_8821ce 0000:02:00.0: failed to send h2c command
Oct 09 01:04:08 alireza kernel: rtw_8821ce 0000:02:00.0: failed to send h2c command
Oct 09 01:04:08 alireza kernel: rtw_8821ce 0000:02:00.0: failed to send h2c command
Oct 09 01:04:10 alireza kernel: rtw_8821ce 0000:02:00.0: failed to send h2c command

I tried setting power save mode to off but I'm not sure if i did it correct.

I'll appreciate your helps.

Last edited by imalireza3 (2025-01-22 14:03:51)

seth

Member

From: Won't reply 2 private help req

Registered: 2012-09-03

Posts: 75,494

Re: Problem with internet connection

I tried setting power save mode to off but I'm not sure if i did it correct.

Please don't paraphrase, https://bbs.archlinux.org/viewtopic.php?id=57855

https://bbs.archlinux.org/viewtopic.php … 8#p2178138 but you're currently not using that driver.
Therefore also:

modinfo rtw_8821ce

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