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Veridis Quo
n00b
Joined: 13 Mar 2021
Posts: 4
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 Posted: Sat Mar 13, 2021 11:59 pm Post subject: [SOLVED] WiFi Card not detected on new Gentoo install |
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I recently installed Gentoo on my desktop, but a wired internet connection isn't an option for me, since my router is across the house from my computer, and inside a cupboard. I can't move my computer to the cupboard, and I can't move the router to my computer because it needs the fiber socket. Hence, I have to use WiFi.
I'm sure I'll be able to get it work once the system has detected the WiFi card, but the problem is that it isn't. Running ifconfig -a gives the following information:
| Code: |
enp8s0: flags=4098<BROADCAST,MULTICAST> mtu 1500
ether b4:2e:99:92:bc:3b txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 48 bytes 3840 (3.7 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 48 bytes 3840 (3.7 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
sit0: flags=128<NOARP> mtu 1480
sit txqueuelen 1000 (IPv6-in-IPv4)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
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As you can see, the disconnected Ethernet shows up, but not the WiFi card. Running the same command but via. my Debian install yields the same information but with this extra (WiFi works correctly in my Debian partition):
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wlp6s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.20.19 netmask 255.255.255.0 broadcast 192.168.20.255
inet6 2406:3400:30e:7ec0:534f:9a20:479d:cfe6 prefixlen 64 scopeid 0x0<global>
inet6 2406:3400:30e:7ec0:1e80:5383:b46c:4b80 prefixlen 64 scopeid 0x0<global>
inet6 fe80::975a:7bb9:a945:f624 prefixlen 64 scopeid 0x20<link>
ether a8:5e:45:65:13:f3 txqueuelen 1000 (Ethernet)
RX packets 1578 bytes 654106 (654.1 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 1209 bytes 214729 (214.7 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
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The WiFi card I have installed in my system is an ASUS PCE-N15 Wireless PCIE adapter. According to this website: http://en.techinfodepot.shoutwiki.com/wiki/ASUS_PCE-N15, it uses a Realtek RTL8192CE chip. So, I reconfigured my kernel to include the following:
| Code: |
Location:
-> Device drivers
-> Network device support
-> Wireless LAN
(M) -> Realtek 8180/815/8187SE PCI support.
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My kernel does have support for networking and PCI devices, as well as the necessary networking support outline here: https://wiki.gentoo.org/wiki/Wifi. I have also emerged the linux-firmware package. It's not a physical connection issue, either, since lspci gives this information regarding the card:
| Code: |
[...]
06:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8192CE PCIe Wireless Network Adapter (rev 01)
[...]
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This output also shows that the wiki that I looked at for drivers was indeed correct about the chip inside the card... Therefore I should have the correct drivers installed. But, the device is still not showing up in ifconfig... What steps can I take from here to try to get my WiFi working?
Last edited by Veridis Quo on Mon Mar 15, 2021 6:11 am; edited 1 time in total |
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halcon
l33t
Joined: 15 Dec 2019
Posts: 649
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| Posted: Sun Mar 14, 2021 12:58 am Post subject: Re: WiFi Card not detected on new Gentoo install |
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Hi Veridis Quo,
Welcome to Gentoo.
| Veridis Quo wrote: | my Debian install yields the same information but with this extra (WiFi works correctly in my Debian partition):
| Code: |
wlp6s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.20.19 netmask 255.255.255.0 broadcast 192.168.20.255
inet6 2406:3400:30e:7ec0:534f:9a20:479d:cfe6 prefixlen 64 scopeid 0x0<global>
inet6 2406:3400:30e:7ec0:1e80:5383:b46c:4b80 prefixlen 64 scopeid 0x0<global>
inet6 fe80::975a:7bb9:a945:f624 prefixlen 64 scopeid 0x20<link>
ether a8:5e:45:65:13:f3 txqueuelen 1000 (Ethernet)
RX packets 1578 bytes 654106 (654.1 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 1209 bytes 214729 (214.7 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
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Please post the output of the commands
in Gentoo and in Debian. It looks like some module is missing in Gentoo.
| Veridis Quo wrote: | | Code: | | (M) -> Realtek 8180/815/8187SE PCI support. |
| Code: |
[...]
06:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8192CE PCIe Wireless Network Adapter (rev 01)
[...]
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There is a specific driver for 8192CE. Is it enabled?
_________________
A wife asks her husband, a programmer:
- Could you please go shopping for me and buy one carton of milk, and if they have eggs, get 6?
He comes back with 6 cartons of milk.
- Why did you buy 6 cartons of milk?
- They had eggs. |
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Veridis Quo
n00b
Joined: 13 Mar 2021
Posts: 4
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| Posted: Sun Mar 14, 2021 1:31 am Post subject: |
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Hi halcon,
Thanks for your quick response.
Prints the following on Debian. On Gentoo, it prints nothing.
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rtl8192ce 61440 0
rtl_pci 28672 1 rtl8192ce
rtl8192c_common 61440 1 rtl8192ce
rtlwifi 94208 3 rtl_pci,rtl8192c_common,rtl8192ce
mac80211 970752 3 rtl_pci,rtlwifi,rtl8192ce
cfg80211 843776 2 rtlwifi,mac80211
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Searching for CONFIG_RTL8192CE, as outlined on the website you posted in /usr/src/linux/.config yields no results, commented nor uncommented.
Settings related to mac80211 are enabled in menuconfig/Network Support, except for debugging features. |
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halcon
l33t
Joined: 15 Dec 2019
Posts: 649
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| Posted: Sun Mar 14, 2021 2:44 am Post subject: |
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Well... You could enable CONFIG_RTL8192CE (and any other unknown kernel option, in the future) as follows:
cd /usr/src/linux
make clean
make menuconfig
press / (slash; for searching)
a text field will be opened; type CONFIG_RTL8192CE and press Enter
you will see:
| Code: | Symbol: RTL8192CE [=n]
│ Type : tristate
│ Defined at drivers/net/wireless/realtek/rtlwifi/Kconfig:14
│ Prompt: Realtek RTL8192CE/RTL8188CE Wireless Network Adapter
│ Depends on: NETDEVICES [=y] && WLAN [=y] && WLAN_VENDOR_REALTEK [=n] && RTL_CARDS [=n] && PCI [=y]
│ Location:
│ -> Device Drivers
│ -> Network device support (NETDEVICES [=y])
│ -> Wireless LAN (WLAN [=y])
│ (1) -> Realtek devices (WLAN_VENDOR_REALTEK [=n])
│ -> Realtek rtlwifi family of devices (RTL_CARDS [=n])
│ Selects: RTL8192C_COMMON [=n] && RTLWIFI [=n] && RTLWIFI_PCI [=n] |
the line Prompt shows the name of the option as it appears in the list; the lines Location - how to find it navigating in the menu
find that option, enable it (as module)
don't forget to save the changes
compile and install new kernel and modules
(I usually add an incrementing CONFIG_LOCALVERSION="-v01", CONFIG_LOCALVERSION="-v02" at each recompile, for separating different installs even if of the same kernel version, it results as vmlinuz-x86_64-X.Y.Z-gentoo-v01, vmlinuz-x86_64-X.Y.Z-gentoo-v02, and the modules folders are named correspondingly)
_________________
A wife asks her husband, a programmer:
- Could you please go shopping for me and buy one carton of milk, and if they have eggs, get 6?
He comes back with 6 cartons of milk.
- Why did you buy 6 cartons of milk?
- They had eggs. |
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Veridis Quo
n00b
Joined: 13 Mar 2021
Posts: 4
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| Posted: Sun Mar 14, 2021 4:28 am Post subject: |
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Thanks for you help again. I enabled that and recompiled. The interface still doesn't show up in ifconfig -a. In /usr/src/linux/.config, however, there is this relevant information:
| Code: |
CONFIG_RTL_CARDS=m
# CONFIG_RTL8192CE is not set
# CONFIG_RTL8192SE is not set
# CONFIG_RTL8192DE is not set
# CONFIG_RTL8723AE is not set
# CONFIG_RTL8723BE is not set
# CONFIG_RTL8188EE is not set
# CONFIG_RTL8192EE is not set
# CONFIG_RTL8821AE is not set
# CONFIG_RTL8192CU is not set
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Do I need uncomment and to place =m after CONFIG_RTL8192CE? |
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halcon
l33t
Joined: 15 Dec 2019
Posts: 649
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| Posted: Sun Mar 14, 2021 2:22 pm Post subject: |
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| Veridis Quo wrote: | | I enabled that and recompiled. |
| Veridis Quo wrote: | In /usr/src/linux/.config, however, there is this relevant information:
| Code: | | # CONFIG_RTL8192CE is not set |
Do I need uncomment and to place =m after CONFIG_RTL8192CE? |
No, never edit .config manually. Always do that with make menuconfig (or with other make *config). Because there are dependencies between kernel options.
The line "CONFIG_RTL8192CE is not set" shows that you haven't actually enabled that option in menuconfig. Or you haven't saved the changes, or you enabled the parent chapter only (CONFIG_RTL_CARDS), without enabling RTL8192CE. You could check if it got enabled before recompiling, not after. Just after working in menuconfig.
Also, an useful option: CONFIG_IKCONFIG_PROC. It will let you check your actual y / m / not set values on the running kernel, not in the .config file which can be changed / different (by error). The command for checking on the running kernel is:
| Code: | | zgrep CONFIG_RTL8192CE /proc/config.gz |
_________________
A wife asks her husband, a programmer:
- Could you please go shopping for me and buy one carton of milk, and if they have eggs, get 6?
He comes back with 6 cartons of milk.
- Why did you buy 6 cartons of milk?
- They had eggs. |
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pietinger
Moderator
Joined: 17 Oct 2006
Posts: 5371
Location: Bavaria
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| Posted: Sun Mar 14, 2021 3:29 pm Post subject: |
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| I may add something: If you install the firmware as module you should load the needed driver for your wifi also as module - AND - the same revers: If you load the firmware fixed the you must load your wifi modules static also into the kernel. A mix is not possible. |
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Veridis Quo
n00b
Joined: 13 Mar 2021
Posts: 4
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| Posted: Mon Mar 15, 2021 6:11 am Post subject: |
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| Thanks so much for you help, I got it working! I didn't know that the option "rtlwifi family of devices" had a submenu in menuconfig... I found it, installed wpa_supplicant, and I got my WiFi working properly! |
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RIA77
Guru
Joined: 24 Feb 2016
Posts: 405
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| Posted: Sun Mar 28, 2021 4:46 pm Post subject: |
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Hello, same problem here.
| Quote: | wlan0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.126 netmask 255.255.255.0 broadcast 192.168.1.255
ether 7a:f3:b9:10:ff:66 txqueuelen 1000 (Ethernet)
RX packets 874 bytes 496435 (484.7 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 833 bytes 134580 (131.4 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
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Internet is working in chroot as it should.
| Quote: | btrtl 16384 1 btusb
bluetooth 647168 26 btrtl,btintel,btbcm,bnep,btusb
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