Comment 5 for bug 1927037

After running modprobe ath9k, ath9k shows up in the output from lsmod.
However, iw still doesn’t see the interface.

On Mon, May 10, 2021 at 1:15 AM Juerg Haefliger <email address hidden>
wrote:

> What happens if you manually load the driver? modprobe ath9k.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1927037
>
> Title:
> ath9k driver: miniPCIe Atheros AR93xx not recognized
>
> Status in linux-raspi package in Ubuntu:
> New
> Status in linux-raspi source package in Focal:
> New
> Status in linux-raspi source package in Groovy:
> New
> Status in linux-raspi source package in Hirsute:
> New
>
> Bug description:
> Expected behavior:
> Network adapter should be visible via `iw list`, `iwconfig`, and
> `ifconfig`.
>
> Actual behavior:
> Network adapter is visible in `lspci` and `lshw`, but not in `iw list`,
> `iwconfig`, or `ifconfig`
>
> Details:
> The Atheros network card is detected by the ath9k driver when installed
> into a machine with x86_64 architecture. When the same card is installed
> into a miniPCIe-to-PCIe adapter, then plugged into a Raspberry Pi CM4 IO
> breakout board, the network adapter can be seen via lspci and lshw but is
> not seen by iw, iwconfig, or ifconfig.
>
> lspci:
> ubuntu@ubuntu:~$ sudo lspci -v
> 00:00.0 PCI bridge: Broadcom Inc. and subsidiaries Device 2711 (rev 20)
> (prog-if 00 [Normal decode])
> Flags: bus master, fast devsel, latency 0, IRQ 41
> Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
> I/O behind bridge: 00000000-00000fff [size=4K]
> Memory behind bridge: f8000000-f80fffff [size=1M]
> Prefetchable memory behind bridge: [disabled]
> Capabilities: [48] Power Management version 3
> Capabilities: [ac] Express Root Port (Slot-), MSI 00
> Capabilities: [100] Advanced Error Reporting
> Capabilities: [180] Vendor Specific Information: ID=0000 Rev=0
> Len=028 <?>
> Capabilities: [240] L1 PM Substates
> Kernel driver in use: pcieport
>
> 01:00.0 Network controller: Qualcomm Atheros AR93xx Wireless Network
> Adapter (rev 01)
> Subsystem: Qualcomm Atheros AR93xx Wireless Network Adapter
> Flags: fast devsel, IRQ 255
> Memory at 600000000 (64-bit, non-prefetchable) [disabled]
> [size=128K]
> Expansion ROM at 600020000 [virtual] [disabled] [size=64K]
> Capabilities: [40] Power Management version 3
> Capabilities: [50] MSI: Enable- Count=1/4 Maskable+ 64bit+
> Capabilities: [70] Express Endpoint, MSI 00
> Capabilities: [100] Advanced Error Reporting
> Capabilities: [140] Virtual Channel
> Capabilities: [300] Device Serial Number 00-00-00-00-00-00-00-00
>
> -----
> lshw:
> ubuntu@ubuntu:~$ sudo lshw -c net
> *-network UNCLAIMED
> description: Network controller
> product: AR93xx Wireless Network Adapter
> vendor: Qualcomm Atheros
> physical id: 0
> bus info: pci@0000:01:00.0
> version: 01
> width: 64 bits
> clock: 33MHz
> capabilities: pm msi pciexpress cap_list
> configuration: latency=0
> resources: memory:600000000-60001ffff memory:600020000-60002ffff
> *-network
> description: Ethernet interface
> physical id: 1
> logical name: eth0
> serial: dc:a6:32:f4:69:36
> size: 1Gbit/s
> capacity: 1Gbit/s
> capabilities: ethernet physical tp mii 10bt 10bt-fd 100bt
> 100bt-fd 1000bt 1000bt-fd autonegotiation
> configuration: autonegotiation=on broadcast=yes driver=bcmgenet
> driverversion=v2.0 duplex=full ip=REDACTED link=yes multicast=yes port=MII
> speed=1Gbit/s
>
> -----
> iw list/iwconfig:
> ubuntu@ubuntu:~$ iw list
> ubuntu@ubuntu:~$ iwconfig
> lo no wireless extensions.
>
> eth0 no wireless extensions.
>
> -----
> ubuntu@ubuntu:~$ lsb_release -rd
> Description: Ubuntu 20.04.2 LTS
> Release: 20.04
>
> ProblemType: Bug
> DistroRelease: Ubuntu 20.04
> Package: linux-image-5.4.0-1034-raspi 5.4.0-1034.37
> ProcVersionSignature: User Name 5.4.0-1034.37-raspi 5.4.101
> Uname: Linux 5.4.0-1034-raspi aarch64
> ApportVersion: 2.20.11-0ubuntu27.16
> Architecture: arm64
> CasperMD5CheckResult: skip
> Date: Tue May 4 02:59:25 2021
> ImageMediaBuild: 20210201.1
> ProcEnviron:
> TERM=xterm-256color
> PATH=(custom, no user)
> XDG_RUNTIME_DIR=<set>
> LANG=C.UTF-8
> SHELL=/bin/bash
> SourcePackage: linux-raspi
> UpgradeStatus: No upgrade log present (probably fresh install)
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1927037/+subscriptions
>
--

*Ash Wilson* | Technical Director
*e:* <email address hidden>

This email and all data transmitted with it contains confidential and/or
proprietary information intended solely for the use of individual(s)
authorized to receive it. If you are not an intended and authorized
recipient you are hereby notified of any use, disclosure, copying or
distribution of the information included in this transmission is prohibited
and may be unlawful. Please immediately notify the sender by replying to
this email and then delete it from your system.