From: Larry Finger <Larry.Finger@lwfinger.net>
To: Michal TOMA <michaltoma@sicoop.com>, linux-wireless@vger.kernel.org
Subject: Re: [Bug report] - RTL8821CE 802.11ac PCIe Wireless Network Adapter - Not handled properly by the rtw_8821ce dirver on Kernel 5.11.11
Date: Wed, 14 Apr 2021 13:01:49 -0500 [thread overview]
Message-ID: <c0afc587-b8f8-8bae-5589-92ebac536c9e@lwfinger.net> (raw)
In-Reply-To: <2562248.KvEgbkE9EU@linux-9g0r.site>
On 4/14/21 4:12 AM, Michal TOMA wrote:
> The RTL8821CE driver doesn't work on several recent kernels (probably since
> 5.9).
>
>
> journalctl -b | grep rtw
> avril 10 14:18:41 localhost kernel: rtw_8821ce 0000:07:00.0: Firmware version 24.8.0, H2C version 12
> avril 10 14:18:41 localhost NetworkManager[682]: <info> [1618057121.6199] rfkill2: found Wi-Fi radio killswitch (at /sys/devices/pci0000:00/0000:00:1d.4/0000:07:00.0/ieee80211/phy0/rfkill2) (driver rtw_8821ce)
> avril 10 14:18:41 localhost kernel: rtw_8821ce 0000:07:00.0 wlp7s0: renamed from wlan0
> avril 10 14:18:42 localhost kernel: rtw_8821ce 0000:07:00.0: start vif 28:39:26:ab:b4:5d on port 0
> avril 10 14:18:42 localhost kernel: rtw_8821ce 0000:07:00.0: stop vif 28:39:26:ab:b4:5d on port 0
> avril 10 14:18:42 localhost kernel: rtw_8821ce 0000:07:00.0: start vif 5a:f0:11:63:85:65 on port 0
> avril 10 14:25:35 Host-001 kernel: rtw_8821ce 0000:07:00.0: stop vif 5a:f0:11:63:85:65 on port 0
> avril 10 14:25:35 Host-001 kernel: rtw_8821ce 0000:07:00.0: start vif 32:45:38:02:34:09 on port 0
> avril 10 14:32:28 Host-001 kernel: rtw_8821ce 0000:07:00.0: stop vif 32:45:38:02:34:09 on port 0
> avril 10 14:32:28 Host-001 kernel: rtw_8821ce 0000:07:00.0: start vif c2:5c:03:32:bc:19 on port 0
> avril 10 14:39:21 Host-001 kernel: rtw_8821ce 0000:07:00.0: stop vif c2:5c:03:32:bc:19 on port 0
> avril 10 14:39:21 Host-001 kernel: rtw_8821ce 0000:07:00.0: start vif de:9c:ac:b2:58:ae on port 0
> avril 10 14:46:14 Host-001 kernel: rtw_8821ce 0000:07:00.0: stop vif de:9c:ac:b2:58:ae on port 0
> avril 10 14:46:14 Host-001 kernel: rtw_8821ce 0000:07:00.0: start vif 46:5c:c2:91:f8:7f on port 0
> ...
> And continues like this indefinitely
>
> uname -a
> Linux Host-001 5.11.11-1-default #1 SMP Tue Mar 30 17:57:52 UTC 2021 (dbc4a02) x86_64 x86_64 x86_64 GNU/Linux
>
>
> rfkill list
> 0: ideapad_wlan: Wireless LAN
> Soft blocked: no
> Hard blocked: no
> 1: ideapad_bluetooth: Bluetooth
> Soft blocked: no
> Hard blocked: no
> 2: phy0: Wireless LAN
> Soft blocked: no
> Hard blocked: no
>
Please copy file dmesg.txt from 'dmesg > dmesg.txt' to some pastebin that I can
access. The sending of only lines with rtw in them may miss some valid information.
Larry
next prev parent reply other threads:[~2021-04-14 18:01 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-14 9:12 [Bug report] - RTL8821CE 802.11ac PCIe Wireless Network Adapter - Not handled properly by the rtw_8821ce dirver on Kernel 5.11.11 Michal TOMA
2021-04-14 18:01 ` Larry Finger [this message]
[not found] ` <fdab8de052c14b0ea1ed746bed9fcb8b@sicoop.com>
2021-04-15 17:57 ` Larry Finger
[not found] ` <9001d5aa093c4dc08cf0aba62056df4c@sicoop.com>
2021-04-19 17:38 ` Larry Finger
[not found] ` <0562d6c8e7fb4a1797d82294fa9af59e@sicoop.com>
2021-04-20 0:44 ` Larry Finger
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