Public bug reported: I'm trying to connect multiple WiFi cards through powered USB hubs but unfortunately some logic does detect them in lsusb but doesn't create appropriate ammount of interfaces. Additionaly from 3 connected TP-Link WN722N cards only one have light blinking what's usually means firmware was loaded properly. Also serial numer is constant 12345 for all 3 tplink cards: [11299.508388] usb 2-1.4.1.2: Product: USB2.0 WLAN [11299.508391] usb 2-1.4.1.2: Manufacturer: ATHEROS [11299.508394] usb 2-1.4.1.2: SerialNumber: 12345
$ lsusb Bus 001 Device 002: ID 8087:8001 Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 026: ID 05e3:0626 Genesys Logic, Inc. Bus 003 Device 025: ID 0bda:0411 Realtek Semiconductor Corp. Bus 003 Device 024: ID 0bda:0411 Realtek Semiconductor Corp. Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 002 Device 004: ID 0c45:670c Microdia Bus 002 Device 003: ID 04f3:20d0 Elan Microelectronics Corp. Bus 002 Device 002: ID 8087:0a2a Intel Corp. Bus 002 Device 099: ID 0cf3:9271 Atheros Communications, Inc. AR9271 802.11n Bus 002 Device 097: ID 0cf3:9271 Atheros Communications, Inc. AR9271 802.11n Bus 002 Device 096: ID 2001:331c D-Link Corp. Bus 002 Device 098: ID 0cf3:9271 Atheros Communications, Inc. AR9271 802.11n Bus 002 Device 095: ID 05e3:0610 Genesys Logic, Inc. 4-port hub Bus 002 Device 094: ID 0bda:5411 Realtek Semiconductor Corp. Bus 002 Device 093: ID 2001:3318 D-Link Corp. Bus 002 Device 092: ID 0bda:5411 Realtek Semiconductor Corp. Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub $ sudo lshw -C network [sudo] hasło użytkownika nusch: *-network description: Wireless interface product: Wireless 7265 vendor: Intel Corporation physical id: 0 bus info: pci@0000:02:00.0 logical name: wlp2s0 version: 59 serial: 18:5e:0f:44:d6:f8 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=iwlwifi driverversion=4.15.0-102-generic firmware=29.1044073957.0 ip=192.168.43.19 latency=0 link=yes multicast=yes wireless=IEEE 802.11 resources: irq:49 memory:f7000000-f7001fff *-network:0 DISABLED description: Wireless interface physical id: 2 bus info: usb@2:1.4.4 logical name: wlan4 serial: a0:f3:c1:17:8d:e1 capabilities: ethernet physical wireless configuration: broadcast=yes driver=ath9k_htc driverversion=4.15.0-102-generic firmware=1.4 link=no multicast=yes wireless=IEEE 802.11 *-network:1 DISABLED description: Wireless interface physical id: 3 bus info: usb@2:1.4.1.2 logical name: tplink2 serial: ec:08:6b:19:56:f3 capabilities: ethernet physical wireless configuration: broadcast=yes driver=ath9k_htc driverversion=4.15.0-102-generic firmware=1.4 link=no multicast=yes wireless=IEEE 802.11 *-network:2 description: Wireless interface physical id: 4 bus info: usb@2:2 logical name: wlxc04a00290fb0 serial: 46:3d:fe:43:9e:66 capabilities: ethernet physical wireless configuration: broadcast=yes driver=ath9k_htc driverversion=4.15.0-102-generic firmware=1.4 link=no multicast=yes wireless=IEEE 802.11 ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-generic 4.15.0.102.92 ProcVersionSignature: Ubuntu 4.15.0-102.103-generic 4.15.18 Uname: Linux 4.15.0-102-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.20.9-0ubuntu7.15 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: nusch 3623 F.... pulseaudio /dev/snd/controlC0: nusch 3623 F.... pulseaudio CurrentDesktop: ubuntu:GNOME Date: Sat Jun 6 10:23:36 2020 HibernationDevice: RESUME=/dev/mapper/ubuntu--vg-swap_1 InstallationDate: Installed on 2015-05-08 (1856 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422) MachineType: Dell Inc. XPS 13 9343 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=pl_PL.UTF-8 SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-102-generic root=/dev/mapper/ubuntu--vg-root ro crashkernel=384M-:128M quiet splash log_buf_len=1M crashkernel=512M-:192M vt.handoff=1 RelatedPackageVersions: linux-restricted-modules-4.15.0-102-generic N/A linux-backports-modules-4.15.0-102-generic N/A linux-firmware 1.173.18 SourcePackage: linux UpgradeStatus: Upgraded to bionic on 2018-08-26 (649 days ago) dmi.bios.date: 06/06/2019 dmi.bios.vendor: Dell Inc. dmi.bios.version: A20 dmi.board.name: 09K8G1 dmi.board.vendor: Dell Inc. dmi.board.version: A02 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA20:bd06/06/2019:svnDellInc.:pnXPS139343:pvr:rvnDellInc.:rn09K8G1:rvrA02:cvnDellInc.:ct9:cvr: dmi.product.name: XPS 13 9343 dmi.sys.vendor: Dell Inc. ** Affects: linux (Ubuntu) Importance: Undecided Status: Confirmed ** Tags: amd64 apport-bug bionic third-party-packages -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1882339 Title: Unable to use multiple cards ath_9k , TP-Link WN722N To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1882339/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs