Bug 9524

Summary: rtl8821cu: dkms + usb_modeswitch
Product: [ROSA-based products] ROSA Fresh Reporter: Mikhail Novosyolov <m.novosyolov>
Component: Hardware-specific, driversAssignee: Groups for solving hardware issues. <group-hardware>
Status: RESOLVED FIXED QA Contact: Evgenii Shatokhin <eugene.shatokhin>
Severity: normal    
Priority: Normal CC: andrey.bondrov, djam5, v.potapov
Version: AllFlags: v.potapov: qa_verified+
andrey.bondrov: published+
Target Milestone: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Platform: --- ROSA Vulnerability identifier:
RPM Package: ISO-related:
Bad POT generating: Upstream:

Description Mikhail Novosyolov 2018-11-22 22:59:29 MSK

    
Comment 1 Mikhail Novosyolov 2018-11-22 23:01:44 MSK
Проба до засылки usb_modeswitch: https://linux-hardware.org/?probe=5d2d3daf61

Делаем sudo usb_modeswitch -KW -v 0bda -p 1a2b (https://github.com/yklove/rtl8821cu), проба после: https://linux-hardware.org/?probe=5de334d205

В ядре 4.18 тоже нет поддержки. Остается dkms. И правило udev (?) для usb_modeswitch.

Все буду складывать в эту багу.
Comment 3 Evgenii Shatokhin 2018-11-23 10:00:50 MSK
Я сделаю dkms-rtl8821cu в rosa2016.1/contrib.
Comment 5 Mikhail Novosyolov 2018-11-26 00:16:12 MSK
dkms не подошел, т.к. после usb_modeswitch оказалось, что это RTL8188GU. Но в любом случае адаптер нужно принудительно переводить из режима CD-диска для Windows в режим WiFi-адаптера:

***** QA ADVISORY *****
update usb_modeswitch-data to 20170806-2

Patched: Add support for Realtek RTL8188GU-based USB Wi-Fi adapters
(https://abf.io/import/usb_modeswitch-data/tree/rosa2016.1)

https://abf.io/build_lists/2953278
https://abf.io/build_lists/2953279

------------------------------------
По dmesg переключение происходит:
[ 1868.824072] usb 2-4: new high-speed USB device number 6 using ehci-pci
[ 1868.971510] usb 2-4: New USB device found, idVendor=0bda, idProduct=1a2b
[ 1868.971527] usb 2-4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 1868.971537] usb 2-4: Product: DISK
[ 1868.971545] usb 2-4: Manufacturer: Realtek
[ 1868.972895] usb-storage 2-4:1.0: USB Mass Storage device detected
[ 1868.976744] scsi host3: usb-storage 2-4:1.0
[ 1869.598631] usb 2-4: USB disconnect, device number 6
[ 1869.864082] usb 2-4: new high-speed USB device number 7 using ehci-pci
[ 1870.011623] usb 2-4: New USB device found, idVendor=0bda, idProduct=b711
[ 1870.011641] usb 2-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 1870.011651] usb 2-4: Product: 802.11n WLAN Adapter
[ 1870.011659] usb 2-4: Manufacturer: Realtek
[ 1870.011667] usb 2-4: SerialNumber: 00E04CB82101
--------------------------------------
Comment 6 Vladimir Potapov 2018-12-05 12:33:12 MSK
The update is sent to expanded testing
***************************************
Comment 7 Vladimir Potapov 2018-12-11 14:22:17 MSK
usb_modeswitch-data-20170806-2
https://abf.io/build_lists/2953278
https://abf.io/build_lists/2953279
************************** Advisory *********************
Add support for Realtek RTL8188GU-based USB Wi-Fi adapters
*********************************************************
QA Verified