Bug#983255: firmware-realtek: Direct firmware load for rtw88/rtw8821c_fw.bin failed with error -2
Package: firmware-realtek
Version: 20210208-1
Severity: normal
Dear Maintainer,
*** Reporter, please consider answering these questions, where appropriate ***
* What led up to the situation?
security update, on linux backports kernel (upgrade from 5.9 to 5.10)
* What exactly did you do (or not do) that was effective (or
ineffective)?
apt update && apt upgrade && reboot
* What was the outcome of this action?
wlan adapter was not available after reboot
dmesg has these lines:
lspci | grep -i wire
02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe Wireless Network Adapter
dmesg contains these lines:
[ 4.938468] rtw_8821ce 0000:02:00.0: Direct firmware load for rtw88/rtw8821c_fw.bin failed with error -2
[ 4.938472] rtw_8821ce 0000:02:00.0: failed to request firmware
[ 4.938543] rtw_8821ce 0000:02:00.0: failed to load firmware
[ 4.938571] rtw_8821ce 0000:02:00.0: failed to setup chip efuse info
[ 4.938599] rtw_8821ce 0000:02:00.0: failed to setup chip information
[ 4.939514] rtw_8821ce: probe of 0000:02:00.0 failed with error -22
tried to install also latest firmware-realtek from unstable
ii firmware-realtek 20210208-1 all Binary firmware for Realtek wired/wifi/BT adapters
but this did also not change anything.
* What outcome did you expect instead?
wlan working as before.
*** End of the template - remove these template lines ***
-- System Information:
Debian Release: 10.8
APT prefers stable
APT policy: (990, 'stable'), (500, 'stable-updates')
Architecture: amd64 (x86_64)
Kernel: Linux 5.10.0-0.bpo.3-amd64 (SMP w/4 CPU cores)
Kernel taint flags: TAINT_WARN
Locale: LANG=de_AT.UTF-8, LC_CTYPE=de_AT.UTF-8 (charmap=UTF-8), LANGUAGE=de_AT:de (charmap=UTF-8)
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
firmware-realtek depends on no packages.
firmware-realtek recommends no packages.
Versions of packages firmware-realtek suggests:
ii initramfs-tools 0.133+deb10u1
-- no debconf information
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