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Bug#945172: firmware: failed to load rtw88/rtw8822b_fw.bin

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  Bug#945172: firmware: failed to load rtw88/rtw8822b_fw.bin Nelson G <ledufff@hotmail.com> - 2019-11-20 21:50 +0100
    Bug#945172: same issue on ThinkPad E490 joenio@joenio.me <joenio@joenio.me> - 2020-01-16 05:00 +0100
    Bug#945172: firmware: failed to load rtw88/rtw8822b_fw.bin (workaround) dlf29 <dlf29@et.byu.edu> - 2020-03-07 20:50 +0100
    Bug#945172: firmware: failed to load rtw88/rtw8822b_fw.bin (workaround - correction) Daniel Fussell <dlf29@et.byu.edu> - 2020-03-10 00:20 +0100
    Bug#945172: Same issue for Thinnkpad E480 fpulido@linagora.com - 2020-06-30 14:40 +0200
    Bug#945172: marked as done (firmware: failed to load  rtw88/rtw8822b_fw.bin) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2020-07-17 12:10 +0200

#65703 — Bug#945172: firmware: failed to load rtw88/rtw8822b_fw.bin

Package: firmware-realtek
Version: 20190717-2
Severity: normal

Dear Maintainer,

I can't get my WiFi working (Thinkpad E495, realtek wifi card).
I get the following dmesg output

[   10.939826] rtw_pci 0000:03:00.0: firmware: failed to load
rtw88/rtw8822b_fw.bin (-2)
[   10.939884] firmware_class: See https://wiki.debian.org/Firmware for
information about missing firmware
[   10.939942] rtw_pci 0000:03:00.0: Direct firmware load for
rtw88/rtw8822b_fw.bin failed with error -2
[   10.939946] rtw_pci 0000:03:00.0: failed to request firmware
[   10.939994] rtw_pci 0000:03:00.0: failed to load firmware
[   10.940017] rtw_pci 0000:03:00.0: failed to setup chip efuse info
[   10.940037] rtw_pci 0000:03:00.0: failed to setup chip information
[   10.941055] rtw_pci: probe of 0000:03:00.0 failed with error -22


firmware-realtek/sid installed.
It works correctly on many other distros.



-- System Information:
Debian Release: bullseye/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 5.3.0-2-amd64 (SMP w/8 CPU cores)
Locale: LANG=es_CO.UTF-8, LC_CTYPE=es_CO.UTF-8 (charmap=UTF-8), LANGUAGE=es_CO:es (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  0.135

-- no debconf information

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#66099 — Bug#945172: same issue on ThinkPad E490

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I'm facing the same error on Debian testing running on a Lenovo ThinkPad E490.

root@maelcum:~# uname -a
Linux maelcum 5.4.0-2-amd64 #1 SMP Debian 5.4.8-1 (2020-01-05) x86_64 GNU/Linux

root@maelcum:~# lshw
--------------------------cut--------------------------------
   *-generic UNCLAIMED
        description: Unassigned class
        product: RTL8822BE 802.11a/b/g/n/ac WiFi adapter
        vendor: Realtek Semiconductor Co., Ltd.
        physical id: 0
        bus info: pci@0000:05:00.0
        version: 00
        width: 64 bits
        clock: 33MHz
        capabilities: pm msi pciexpress cap_list
        configuration: latency=0
        resources: ioport:2000(size=256) memory:b1200000-b120ffff
--------------------------cut--------------------------------

root@maelcum:~# dpkg -l firmware-realtek
ii  firmware-realtek 20190717-2   all          Binary firmware for Realtek wired/wifi/BT adapters

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#66472 — Bug#945172: firmware: failed to load rtw88/rtw8822b_fw.bin (workaround)

The rtwpci driver in Linux kernel 5.4 from buster-packports is looking 
for the firmware in a different path than is provided in the 
firmware-realtek package.  This can be seen in the dmesg log.

There doesn't seem to be a firmware-realtek package for Linux 5.4 in 
buster-backports.  I hard linked the original firmware to the path 
expected by the backported kernel, and the wifi began to work:

As root (or with sudo):

modprobe -r rtwpci
mkdir /usr/lib/firmware/rtw88
ln /usr/lib/firmware/rtlwifi/rtl8822befw.bin 
/usr/lib/firmware/rtw88/rtl8822b_fw.bin
modprobe rtw8822b_fw.bin

I imagine this will only be necessary when using a backported kernel in 
Buster.  It may not be necessary in Debian testing and/or sid.

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#66486 — Bug#945172: firmware: failed to load rtw88/rtw8822b_fw.bin (workaround - correction)

The last line of "modprobe rtw8822b_fw.bin" was supposed to say
"modprobe rtwpci".

Sorry about that.

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#67425 — Bug#945172: Same issue for Thinnkpad E480

Dear maintainer,

I did a fresh installation for a Thinkpad E480 using debian unoficial 
image that includes firmware:

/images/unofficial/non-free/images-including-firmware/bullseye_di_alpha2

linagora@e480-fp:~$ lspci | grep -i wifi
05:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8822BE 
802.11a/b/g/n/ac WiFi adapter

linagora@e480-fp:~$ cat /etc/os-release
PRETTY_NAME="Debian GNU/Linux bullseye/sid"
NAME="Debian GNU/Linux"
ID=debian
HOME_URL="https://www.debian.org/"
SUPPORT_URL="https://www.debian.org/support"
BUG_REPORT_URL="https://bugs.debian.org/"

The wi-fi does not work in the debian-installer neither in my fresh 
installation. After to waste some time googling I finally found this bug 
and I fixed the problem following the workaround proposed by dlf29 
<dlf29@et.byu.edu> (creating a hard link because the path got changed).

Reading many post I relized the kernel mainstream maintainers changed 
the hierarchy and as far as a I can see in testing we have only 5.6 and 
5.6 kernels (new hierarchy):


linagora@e480-fp:~$ apt search linux-image | grep ^linux-image | egrep 
-v '5.4|5.6'

WARNING: apt does not have a stable CLI interface. Use with caution in 
scripts.

linagora@e480-fp:~$
  information

Could you please change the path and names in order to fix this issue.


Cordially,
---
Fredy P.
Sysadmin & DevOps @ Linagora

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#67545 — Bug#945172: marked as done (firmware: failed to load rtw88/rtw8822b_fw.bin)

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Your message dated Fri, 17 Jul 2020 10:00:13 +0000
with message-id <E1jwNA5-000FYY-BH@fasolo.debian.org>
and subject line Bug#935969: fixed in firmware-nonfree 20200421-1
has caused the Debian Bug report #935969,
regarding firmware: failed to load rtw88/rtw8822b_fw.bin
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
935969: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=935969
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems

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