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Notes on some issues with lenovo laptop network set up ...

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bkpsusmitaa
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Notes on some issues with lenovo laptop network set up ...

#1 Post by bkpsusmitaa »

Details of my daughter's Lenovo laptop: Details copied from Hardinfo
-Network Interfaces-
wlan0 0.73MiB 0.27MiB 192.168.0.100
eth0 103.02MiB 5.49MiB
lo 0.01MiB 0.01MiB 127.0.0.1
-Computer-
Processor : Intel(R) Core(TM) i3-6006U CPU @ 2.00GHz
Memory : 2036MB (1126MB used)
Machine Type : Notebook
Operating System : Debian GNU/Linux 10 (buster)
User Name : knoppix (Knoppix User)
Date/Time : Tue 21 Jul 2020 12:41:37 PM IST
-Display-
Resolution : 1366x768 pixels
OpenGL Renderer : Mesa DRI Intel(R) HD Graphics 520 (Skylake GT2) x86/MMX/SSE2
X11 Vendor : The X.Org Foundation
-Audio Devices-
Audio Adapter : HDA-Intel - HDA Intel PCH
-Input Devices-
Lid Switch
Power Button
AT Translated Set 2 keyboard
PixArt HP X1200 USB Optical Mouse
Video Bus
HDA Intel PCH Mic
HDA Intel PCH Headphone
HDA Intel PCH HDMI/DP details
Synaptics TM3336-001
Ideapad extra buttons
EasyCamera: EasyCamera
-SCSI Disks-
ATA ST2000LM007-1R81
HL-DT-ST DVDRAM GUE0N
-Display-
Resolution : 1366x768 pixels
Vendor : The X.Org Foundation
Version : 1.20.4
Current Display Name : :0.0
-Monitors-
Monitor 0 : 1366x768 pixels
-OpenGL-
Vendor : Intel Open Source Technology Center
Renderer : Mesa DRI Intel(R) HD Graphics 520 (Skylake GT2) x86/MMX/SSE2
Version : 3.0 Mesa 19.2.1
Direct Rendering : Yes
...
-PCI Devices-
Host bridge : Intel Corporation Skylake Host Bridge/DRAM Registers (rev 09)
VGA compatible controller : Intel Corporation HD Graphics 520 (rev 0a) (prog-if 00 [VGA controller])
...
Ethernet controller : Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 10)
Network controller : Intel Corporation Intel Dual Band Wireless-AC 3165 Plus Bluetooth (rev 99)
On extensive testing, it is found that wlan0 System Tray Icon appears to be working only cosmetically. The Debian 9.11.0 OS and applications like Firefox, Chromium, etc., aren't able to use the internet only through wlan0. This was tested by removing the eth0 cable, repeatedly. The WiFi Icon of the Network Manager shows network. But the system isn't able to use this network.

However, there is no problem with wlan0 card of the laptop. Knoppix and the native Doze are able to use the network through wlan0.

The Network Manager settings in the WiFi for Debian has been set up identically (as far as similarity in the Settings Boxes in the multiple tabs permit) as that for the same in Knoppix. The settings in the Preference / Proxy Option in Firefox are identical.

The same Firefox that can't access the internet through wlan0 in Debian can access the same via wlan0 in Knoppix(also in Doze).

Again, details on Network Cards:
-PCI Devices-
...
Ethernet controller : Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 10)
Network controller : Intel Corporation Intel Dual Band Wireless-AC 3165 Plus Bluetooth (rev 99)
For Knoppix 8.6.1 on the same laptop:

Code: Select all

# lspci -v | grep -e " Intel Dual Band Wireless"
Same output:
02:00.0 Network controller: Intel Corporation Intel Dual Band Wireless-AC 3165 Plus Bluetooth (rev 99)

Code: Select all

# lspci -nn
...
01:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 10)
02:00.0 Network controller [0280]: Intel Corporation Intel Dual Band Wireless-AC 3165 Plus Bluetooth [8086:3166] (rev 99)

Code: Select all

# dmesg | grep -e "3165"
[ 14.257630] iwlwifi 0000:02:00.0: Detected Intel(R) Dual Band Wireless AC 3165, REV=0x210

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# dmesg | grep -e "wlan"
[ 25.723787] wlan0: authenticate with 14:cc:20:3b:ee:8e
[ 25.727245] wlan0: send auth to 14:cc:20:3b:ee:8e (try 1/3)
[ 25.729717] wlan0: authenticated
[ 25.736232] wlan0: associate with 14:cc:20:3b:ee:8e (try 1/3)
[ 25.740798] wlan0: RX AssocResp from 14:cc:20:3b:ee:8e (capab=0x431 status=0 aid=1)
[ 25.742751] wlan0: associated
[ 26.006592] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 714.344147] wlan0: authenticate with 14:cc:20:3b:ee:8e
[ 714.346812] wlan0: send auth to 14:cc:20:3b:ee:8e (try 1/3)
[ 714.406226] wlan0: send auth to 14:cc:20:3b:ee:8e (try 2/3)
[ 714.453674] wlan0: send auth to 14:cc:20:3b:ee:8e (try 3/3)
[ 714.520871] wlan0: authentication with 14:cc:20:3b:ee:8e timed out
[ 753.763988] wlan0: authenticate with 14:cc:20:3b:ee:8e
[ 753.767305] wlan0: send auth to 14:cc:20:3b:ee:8e (try 1/3)
[ 753.770701] wlan0: authenticated
[ 753.772762] wlan0: associate with 14:cc:20:3b:ee:8e (try 1/3)
[ 753.777052] wlan0: RX AssocResp from 14:cc:20:3b:ee:8e (capab=0x431 status=0 aid=1)
[ 753.786669] wlan0: associated
[ 753.911332] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 6598.002618] wlan0: AP 14:cc:20:3b:ee:8e changed bandwidth, new config is 2437 MHz, width 1 (2437/0 MHz)
[ 6599.026874] wlan0: AP 14:cc:20:3b:ee:8e changed bandwidth, new config is 2437 MHz, width 2 (2447/0 MHz)
[ 6600.051157] wlan0: AP 14:cc:20:3b:ee:8e changed bandwidth, new config is 2437 MHz, width 1 (2437/0 MHz)
[ 6601.075223] wlan0: AP 14:cc:20:3b:ee:8e changed bandwidth, new config is 2437 MHz, width 2 (2447/0 MHz)
[ 7175.437773] wlan0: AP 14:cc:20:3b:ee:8e changed bandwidth, new config is 2437 MHz, width 1 (2437/0 MHz)
[ 7176.462268] wlan0: AP 14:cc:20:3b:ee:8e changed bandwidth, new config is 2437 MHz, width 2 (2447/0 MHz)

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# dmesg | grep -e "firmware"
[ 8.984733] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
[ 9.198368] iwlwifi 0000:02:00.0: loaded firmware version 29.1044073957.0 op_mode iwlmvm
[ 9.213041] [drm] Finished loading DMC firmware i915/skl_dmc_ver1_27.bin (v1.27)

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# dmesg | grep -e "IPv6"
[ 19.798202] Segment Routing with IPv6
[ 21.926088] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 26.006592] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 753.911332] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready

Code: Select all

# dmesg | grep -e "Wireless"
[ 9.005690] Intel(R) Wireless WiFi driver for Linux
[ 14.257630] iwlwifi 0000:02:00.0: Detected Intel(R) Dual Band Wireless AC 3165, REV=0x210

Code: Select all

# modprobe iwlwifi
No response, other than network restarting

For the Same laptop on Debian 9.11.0, the above codes yield:

Code: Select all

# lspci -v | grep -e " Intel Dual Band Wireless"
02:00.0 Network controller: Intel Corporation Intel Dual Band Wireless-AC 3165 Plus Bluetooth (rev 99)
Subsystem: Intel Corporation Intel Dual Band Wireless-AC 3165 Plus Bluetooth

Code: Select all

# lspci -nn
...
01:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 10)
02:00.0 Network controller [0280]: Intel Corporation Intel Dual Band Wireless-AC 3165 Plus Bluetooth [8086:3166] (rev 99)

Code: Select all

#  dmesg | grep -e "3165"
[ 9.033858] iwlwifi 0000:02:00.0: Detected Intel(R) Dual Band Wireless AC 3165, REV=0x210

Code: Select all

# dmesg | grep -e "wlan"
[ 12.702926] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 12.802996] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 13.029838] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 38.660375] wlan0: authenticate with 14:cc:20:3b:ee:8e
[ 38.663994] wlan0: send auth to 14:cc:20:3b:ee:8e (try 1/3)
[ 38.666637] wlan0: authenticated
[ 38.668488] wlan0: associate with 14:cc:20:3b:ee:8e (try 1/3)
[ 38.672580] wlan0: RX AssocResp from 14:cc:20:3b:ee:8e (capab=0x431 status=0 aid=2)
[ 38.673754] wlan0: associated
[ 38.852228] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready

Code: Select all

# dmesg | grep -e "firmware"
...
[ 7.416631] bluetooth hci0: firmware: direct-loading firmware intel/ibt-hw-37.8.10-fw-1.10.3.11.e.bseq
[ 7.416640] Bluetooth: hci0: Intel Bluetooth firmware file: intel/ibt-hw-37.8.10-fw-1.10.3.11.e.bseq
[ 7.702212] Bluetooth: hci0: Intel Bluetooth firmware patch completed and activated
[ 8.127778] iwlwifi 0000:02:00.0: firmware: direct-loading firmware iwlwifi-7265D-22.ucode
[ 8.128240] iwlwifi 0000:02:00.0: loaded firmware version 22.361476.0 op_mode iwlmvm
[ 8.382576] i915 0000:00:02.0: firmware: failed to load i915/skl_dmc_ver1_26.bin (-2)
[ 8.382592] i915 0000:00:02.0: Direct firmware load for i915/skl_dmc_ver1_26.bin failed with error -2
[ 8.382597] i915 0000:00:02.0: Failed to load DMC firmware [https://01.org/linuxgraphics/intel-linu ... -firmwares], disabling runtime power management.
[ 8.390101] [drm] GuC firmware load skipped
[ 8.532784] hid-rmi 0018:06CB:8251.0002: firmware id: 2529025
[ 12.578315] r8169 0000:01:00.0: firmware: failed to load rtl_nic/rtl8168g-3.fw (-2)
[ 12.578456] r8169 0000:01:00.0: Direct firmware load for rtl_nic/rtl8168g-3.fw failed with error -2
[ 12.578465] r8169 0000:01:00.0 eth0: unable to load firmware patch rtl_nic/rtl8168g-3.fw (-2)

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# dmesg | grep -e "IPv6"
[ 1.095718] mip6: Mobile IPv6
[ 12.618974] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 12.702926] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 12.802996] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 13.029838] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 14.176161] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 38.852228] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready

Code: Select all

# dmesg | grep -e "Wireless"
[ 7.414573] Intel(R) Wireless WiFi driver for Linux
[ 9.033858] iwlwifi 0000:02:00.0: Detected Intel(R) Dual Band Wireless AC 3165, REV=0x210

Code: Select all

# modprobe iwlwifi
No response, other than network restarting

Conclusion is that some firmware failed to load, and needs to be addressed in the coming days.
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