Description of problem: Sierra Wireless EM7345 4G LTE does not work under Fedora 32 when trying to connect to broadband data networks. Version-Release number of selected component (if applicable): [root@l2ppar ivo]# rpm -qa|grep Network NetworkManager-pptp-gnome-1.2.8-1.fc32.3.x86_64 NetworkManager-config-connectivity-fedora-1.22.10-1.fc32.noarch NetworkManager-l2tp-1.8.2-1.fc32.x86_64 NetworkManager-libreswan-1.2.12-1.fc32.1.x86_64 NetworkManager-openvpn-gnome-1.8.12-1.fc32.x86_64 NetworkManager-libreswan-gnome-1.2.12-1.fc32.1.x86_64 NetworkManager-wwan-1.22.10-1.fc32.x86_64 NetworkManager-l2tp-gnome-1.8.2-1.fc32.x86_64 NetworkManager-libnm-1.22.10-1.fc32.x86_64 NetworkManager-adsl-1.22.10-1.fc32.x86_64 NetworkManager-tui-1.22.10-1.fc32.x86_64 NetworkManager-vpnc-1.2.6-4.fc32.x86_64 NetworkManager-pptp-1.2.8-1.fc32.3.x86_64 NetworkManager-1.22.10-1.fc32.x86_64 NetworkManager-wifi-1.22.10-1.fc32.x86_64 NetworkManager-bluetooth-1.22.10-1.fc32.x86_64 NetworkManager-openconnect-1.2.6-3.fc32.x86_64 NetworkManager-openvpn-1.8.12-1.fc32.x86_64 NetworkManager-vpnc-gnome-1.2.6-4.fc32.x86_64 [root@l2ppar ivo]# uname -a -n Linux l2ppar 5.6.7-300.fc32.x86_64 #1 SMP Thu Apr 23 14:13:50 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux [root@l2ppar ivo]# How reproducible: Always Steps to Reproduce: 1. Start the computer; 2. Wait for the USB-LTE modem to show up in the device listing; 3. Start Modem Manager; 4. Follow advice on screen about modem needing to be enabled; 5. Try to connect to the internet, send a SMS, scan, ...; Actual results: Modem Manager will state that there is a need to enable modem: 'Modem must be enabled to connect to Internet. Please enable modem.' When clicking 'enable' I'll be greeted with: 'Connection manager does not support Internet connection management functions.' It still did something as I can send an test SMS out of the modem, scan available networks etc, but still fail to connect any broadband data networks. Expected results: Everything up and running, no error messages and data flowing... Additional info: That broadband modem was working with previous Fedora releases at least 31 or even before that. GNOME menu item for the WWAN states: 'Mobile Broadband Disabled' and there is no change if to try to enable any defined broadband profiles. [root@l2ppar ivo]# mbimcli -p -d /dev/cdc-wdm0 --query-device-caps [/dev/cdc-wdm0] Device capabilities retrieved: Device type: 'embedded' Cellular class: 'gsm' Voice class: 'no-voice' SIM class: 'removable' Data class: 'gprs, edge, umts, hsdpa, hsupa, lte, custom' SMS caps: 'pdu-receive, pdu-send' Ctrl caps: 'reg-manual' Max sessions: '16' Custom data class: 'HSPA+' Device ID: 'XXXXX' Firmware info: 'FIH7160_V1.2_WW_01.1616.01' Hardware info: 'XMM7160_V1.2_MBIM_GNSS_NAND_RE' [root@l2ppar ivo]# mmcli -L /org/freedesktop/ModemManager1/Modem/0 [Sierra Wireless Inc.] Sierra Wireless EM7345 4G LTE [root@l2ppar ivo]# mmcli -m 0 -------------------------------- General | dbus path: /org/freedesktop/ModemManager1/Modem/0 | device id: 85e442ccb7aab87ac36d59f485d8cde03d7b7a83 -------------------------------- Hardware | manufacturer: Sierra Wireless Inc. | model: Sierra Wireless EM7345 4G LTE | firmware revision: FIH7160_V1.2_WW_01.1616.01 | h/w revision: XMM7160_V1.2_MBIM_GNSS_NAND_RE | supported: gsm-umts, lte | current: gsm-umts, lte | equipment id: XXXXXXX -------------------------------- System | device: /sys/devices/pci0000:00/0000:00:14.0/usb2/2-4 | drivers: cdc_acm, cdc_mbim | plugin: Sierra | primary port: cdc-wdm0 | ports: cdc-wdm0 (mbim), wwp0s20u4 (net), ttyACM0 (at) -------------------------------- Status | unlock retries: sim-pin2 (3) | state: registered | power state: on | access tech: lte | signal quality: 32% (recent) -------------------------------- Modes | supported: allowed: 2g, 3g, 4g; preferred: none | current: allowed: 2g, 3g, 4g; preferred: none -------------------------------- IP | supported: ipv4, ipv6, ipv4v6 -------------------------------- 3GPP | imei: XXXXXXX | enabled locks: fixed-dialing | operator id: 24802 | operator name: Elisa EE | registration: home -------------------------------- 3GPP EPS | ue mode of operation: csps-2 -------------------------------- SIM | dbus path: /org/freedesktop/ModemManager1/SIM/0 [root@l2ppar ivo]#
It seems not to be a kernel related as I tested it with a set of kernels around: [ivo@l2ppar ~]$ rpm -q kernel kernel-5.3.8-300.fc31.x86_64 kernel-5.6.6-300.fc32.x86_64 kernel-5.6.7-300.fc32.x86_64 kernel-5.3.7-301.fc31.x86_64 [ivo@l2ppar ~]$
nmtui will state: Could not activate connection: │ │ │ │ VP│ Connection 'Elisa Default' is │ │ │ │ * │ not available on device cdc-wdm0 │ │ │ │ │ because device is not available
same problem Sierra Wireless, Inc. Sierra Wireless EM7345 4G LTE ● ModemManager.service - Modem Manager Loaded: loaded (/usr/lib/systemd/system/ModemManager.service; enabled; vendor preset: enabled) Active: active (running) since Sun 2020-05-10 10:56:47 CEST; 15min ago Main PID: 3476 (ModemManager) Tasks: 7 (limit: 9351) Memory: 4.5M CPU: 153ms CGroup: /system.slice/ModemManager.service ├─3476 /usr/sbin/ModemManager └─3483 /usr/libexec/mbim-proxy mag 10 10:56:57 hellhound ModemManager[3476]: transaction 0x7 aborted, but message is not abortable mag 10 10:56:57 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM error: Transaction timed out mag 10 10:56:58 hellhound ModemManager[3476]: transaction 0x8 aborted, but message is not abortable mag 10 10:56:58 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM error: Transaction timed out mag 10 10:56:59 hellhound ModemManager[3476]: transaction 0x9 aborted, but message is not abortable mag 10 10:56:59 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM error: Transaction timed out mag 10 10:57:00 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM error: Transaction timed out mag 10 10:57:00 hellhound ModemManager[3476]: transaction 0xa aborted, but message is not abortable mag 10 10:57:01 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM error: Transaction timed out mag 10 10:57:01 hellhound ModemManager[3476]: transaction 0xb aborted, but message is not abortable mag 10 10:57:02 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM error: Transaction timed out mag 10 10:57:02 hellhound ModemManager[3476]: transaction 0xc aborted, but message is not abortable mag 10 10:57:03 hellhound ModemManager[3476]: transaction 0xd aborted, but message is not abortable mag 10 10:57:03 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM error: Transaction timed out mag 10 10:57:04 hellhound ModemManager[3476]: transaction 0xe aborted, but message is not abortable mag 10 10:57:04 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM error: Transaction timed out mag 10 10:57:05 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM error: Transaction timed out mag 10 10:57:05 hellhound ModemManager[3476]: transaction 0xf aborted, but message is not abortable mag 10 10:57:05 hellhound ModemManager[3476]: <info> [cdc-wdm0] MBIM device is not QMI capable mag 10 10:57:05 hellhound ModemManager[3476]: <warn> couldn't load carrier config: 'QMI PDC not supported' mag 10 10:57:05 hellhound ModemManager[3476]: <warn> couldn't load Supported Bands: 'Unsupported' mag 10 10:57:05 hellhound ModemManager[3476]: <warn> couldn't load list of Emergency Numbers: 'Failed to parse CRSM query result '+CRSM: 105,129'' mag 10 10:57:05 hellhound ModemManager[3476]: <warn> couldn't load current Bands: 'Unsupported' mag 10 10:57:05 hellhound ModemManager[3476]: <warn> couldn't load initial EPS bearer settings: 'LTE attach configuration is unsupported' mag 10 10:57:05 hellhound ModemManager[3476]: <info> Modem: state changed (unknown -> disabled) mag 10 10:57:05 hellhound ModemManager[3476]: <info> Modem /org/freedesktop/ModemManager1/Modem/0: state changed (disabled -> enabling) mag 10 10:57:05 hellhound ModemManager[3476]: <info> Modem /org/freedesktop/ModemManager1/Modem/0: 3GPP Registration state changed (unknown -> searching) mag 10 10:57:06 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM error: Transaction timed out mag 10 10:57:06 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM device wasn't explicitly closed mag 10 10:57:06 hellhound ModemManager[3476]: [/dev/cdc-wdm0] channel destroyed mag 10 10:57:06 hellhound ModemManager[3476]: <info> Modem /org/freedesktop/ModemManager1/Modem/0: state changed (enabling -> searching) mag 10 11:01:06 hellhound ModemManager[3476]: <info> Modem /org/freedesktop/ModemManager1/Modem/0: state changed (searching -> disabling) mag 10 11:01:06 hellhound ModemManager[3476]: <info> Modem /org/freedesktop/ModemManager1/Modem/0: 3GPP Registration state changed (searching -> idle) mag 10 11:01:06 hellhound ModemManager[3476]: <info> Modem /org/freedesktop/ModemManager1/Modem/0: 3GPP Registration state changed (idle -> unknown) mag 10 11:01:06 hellhound ModemManager[3476]: <info> [device /sys/devices/pci0000:00/0000:00:14.0/usb2/2-4] creating modem with plugin 'Sierra' and '3' ports mag 10 11:01:06 hellhound ModemManager[3476]: [/dev/cdc-wdm0] channel destroyed mag 10 11:01:06 hellhound ModemManager[3476]: opening device... mag 10 11:01:06 hellhound ModemManager[3476]: [/dev/cdc-wdm0] Read max control message size from descriptors file: 512 mag 10 11:01:06 hellhound ModemManager[3476]: [/dev/cdc-wdm0] Opening device with flags 'version-info, proxy, mbim, expect-indications'... mag 10 11:01:06 hellhound ModemManager[3476]: [/dev/cdc-wdm0] loaded driver of cdc-wdm port: cdc_mbim mag 10 11:01:06 hellhound ModemManager[3476]: [/dev/cdc-wdm0] created endpoint mag 10 11:01:06 hellhound ModemManager[3476]: [/dev/cdc-wdm0] creating MBIM device... mag 10 11:01:06 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM device created mag 10 11:01:06 hellhound ModemManager[3476]: [/dev/cdc-wdm0] opening MBIM device... mag 10 11:01:06 hellhound ModemManager[3476]: opening device... mag 10 11:01:06 hellhound ModemManager[3476]: [/dev/cdc-wdm0] Read max control message size from descriptors file: 512 mag 10 11:01:06 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM device open mag 10 11:01:06 hellhound ModemManager[3476]: [/dev/cdc-wdm0] Checking version info (15 retries)... mag 10 11:01:08 hellhound ModemManager[3476]: transaction 0x1 aborted, but message is not abortable mag 10 11:01:08 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM error: Transaction timed out mag 10 11:01:09 hellhound ModemManager[3476]: transaction 0x2 aborted, but message is not abortable mag 10 11:01:10 hellhound ModemManager[3476]: transaction 0x3 aborted, but message is not abortable mag 10 11:01:10 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM error: Transaction timed out mag 10 11:01:11 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM error: Transaction timed out mag 10 11:01:11 hellhound ModemManager[3476]: transaction 0x4 aborted, but message is not abortable mag 10 11:01:12 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM error: Transaction timed out mag 10 11:01:12 hellhound ModemManager[3476]: transaction 0x5 aborted, but message is not abortable mag 10 11:01:13 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM error: Transaction timed out mag 10 11:01:13 hellhound ModemManager[3476]: transaction 0x6 aborted, but message is not abortable mag 10 11:01:14 hellhound ModemManager[3476]: transaction 0x7 aborted, but message is not abortable mag 10 11:01:14 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM error: Transaction timed out mag 10 11:01:15 hellhound ModemManager[3476]: transaction 0x8 aborted, but message is not abortable mag 10 11:01:15 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM error: Transaction timed out mag 10 11:01:16 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM error: Transaction timed out mag 10 11:01:16 hellhound ModemManager[3476]: transaction 0x9 aborted, but message is not abortable mag 10 11:01:17 hellhound ModemManager[3476]: transaction 0xa aborted, but message is not abortable mag 10 11:01:17 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM error: Transaction timed out mag 10 11:01:18 hellhound ModemManager[3476]: transaction 0xb aborted, but message is not abortable mag 10 11:01:18 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM error: Transaction timed out mag 10 11:01:19 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM error: Transaction timed out mag 10 11:01:19 hellhound ModemManager[3476]: transaction 0xc aborted, but message is not abortable mag 10 11:01:20 hellhound ModemManager[3476]: transaction 0xd aborted, but message is not abortable mag 10 11:01:20 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM error: Transaction timed out mag 10 11:01:21 hellhound ModemManager[3476]: transaction 0xe aborted, but message is not abortable mag 10 11:01:21 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM error: Transaction timed out mag 10 11:01:22 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM error: Transaction timed out mag 10 11:01:22 hellhound ModemManager[3476]: transaction 0xf aborted, but message is not abortable mag 10 11:01:22 hellhound ModemManager[3476]: <info> [cdc-wdm0] MBIM device is not QMI capable mag 10 11:01:22 hellhound ModemManager[3476]: <warn> couldn't load carrier config: 'QMI PDC not supported' mag 10 11:01:22 hellhound ModemManager[3476]: <warn> couldn't load Supported Bands: 'Unsupported' mag 10 11:01:22 hellhound ModemManager[3476]: <warn> couldn't load list of Emergency Numbers: 'Failed to parse CRSM query result '+CRSM: 105,129'' mag 10 11:01:22 hellhound ModemManager[3476]: <warn> couldn't load current Bands: 'Unsupported' mag 10 11:01:22 hellhound ModemManager[3476]: <warn> couldn't load initial EPS bearer settings: 'LTE attach configuration is unsupported' mag 10 11:01:22 hellhound ModemManager[3476]: <info> Modem: state changed (unknown -> disabled) mag 10 11:01:22 hellhound ModemManager[3476]: <info> Modem /org/freedesktop/ModemManager1/Modem/1: state changed (disabled -> enabling) mag 10 11:01:22 hellhound ModemManager[3476]: <info> Modem /org/freedesktop/ModemManager1/Modem/1: 3GPP Registration state changed (unknown -> searching) mag 10 11:01:23 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM error: Transaction timed out mag 10 11:01:23 hellhound ModemManager[3476]: [/dev/cdc-wdm0] MBIM device wasn't explicitly closed mag 10 11:01:23 hellhound ModemManager[3476]: [/dev/cdc-wdm0] channel destroyed mag 10 11:01:23 hellhound ModemManager[3476]: <info> Modem /org/freedesktop/ModemManager1/Modem/1: state changed (enabling -> searching)
On Lenovo T460 with Huawei ME906s/158 it is at even worse state - I can not send SMS as before with T450! [root@l2ppar ivo]# lsusb ... Bus 001 Device 003: ID 12d1:15c1 Huawei Technologies Co., Ltd. ME906s LTE M.2 Module ... [root@l2ppar ivo]# mbimcli -p -d /dev/cdc-wdm0 --query-device-caps [/dev/cdc-wdm0] Device capabilities retrieved: Device type: 'embedded' Cellular class: 'gsm' Voice class: 'no-voice' SIM class: 'removable' Data class: 'gprs, edge, umts, hsdpa, hsupa, lte, custom' SMS caps: 'pdu-receive, pdu-send' Ctrl caps: 'reg-manual, hw-radio-switch' Max sessions: '3' Custom data class: 'HSPA+' Device ID: 'xxxxxxxxxxxxxx' Firmware info: '11.617.00.00.11' Hardware info: 'ML1ME906SM' [root@l2ppar ivo]# [root@l2ppar ivo]# mmcli -L /org/freedesktop/ModemManager1/Modem/0 [Huawei Technologies Co., Ltd.] HUAWEI Mobile [root@l2ppar ivo]# mmcli -m 0 -------------------------------- General | dbus path: /org/freedesktop/ModemManager1/Modem/0 | device id: 8b41142ce3ebb24eb1c5b4e55face1a5805d22ca -------------------------------- Hardware | manufacturer: Huawei Technologies Co., Ltd. | model: HUAWEI Mobile | firmware revision: 11.617.00.00.11 | h/w revision: ML1ME906SM | supported: gsm-umts, lte | current: gsm-umts, lte | equipment id: 867160024099396 -------------------------------- System | device: /sys/devices/pci0000:00/0000:00:14.0/usb1/1-3 | drivers: option1, cdc_mbim | plugin: Huawei | primary port: cdc-wdm0 | ports: cdc-wdm0 (mbim), ttyUSB0 (at), wwp0s20f0u3c3 (net) -------------------------------- Status | unlock retries: unknown (3) | state: disabled | power state: low | signal quality: 0% (cached) -------------------------------- Modes | supported: allowed: 2g, 3g, 4g; preferred: none | current: allowed: 2g, 3g, 4g; preferred: none -------------------------------- IP | supported: ipv4, ipv6, ipv4v6 -------------------------------- 3GPP | imei: xxxxxx -------------------------------- 3GPP EPS | ue mode of operation: csps-2 -------------------------------- SIM | dbus path: /org/freedesktop/ModemManager1/SIM/0 [root@l2ppar ivo]# [root@l2ppar ivo]# systemctl status ModemManager.service ● ModemManager.service - Modem Manager Loaded: loaded (/usr/lib/systemd/system/ModemManager.service; enabled; vendor preset: enabled) Active: active (running) since Mon 2020-05-25 17:05:38 EEST; 11min ago Main PID: 791 (ModemManager) Tasks: 5 (limit: 18462) Memory: 10.8M CPU: 147ms CGroup: /system.slice/ModemManager.service ├─ 791 /usr/sbin/ModemManager └─1167 /usr/libexec/mbim-proxy mai 25 17:06:04 l2ppar ModemManager[791]: [/dev/cdc-wdm0] MBIM error: Transaction timed out mai 25 17:06:05 l2ppar ModemManager[791]: [/dev/cdc-wdm0] MBIM error: Transaction timed out mai 25 17:06:05 l2ppar ModemManager[791]: [/dev/cdc-wdm0] MBIM device wasn't explicitly closed mai 25 17:06:05 l2ppar ModemManager[791]: [/dev/cdc-wdm0] channel destroyed mai 25 17:06:09 l2ppar ModemManager[791]: <warn> couldn't load carrier config: 'QMI PDC not supported' mai 25 17:06:09 l2ppar ModemManager[791]: <warn> couldn't load Supported Bands: 'Unsupported' mai 25 17:06:31 l2ppar ModemManager[791]: <warn> couldn't load list of Emergency Numbers: 'Serial command timed out' mai 25 17:06:41 l2ppar ModemManager[791]: <warn> couldn't load current Bands: 'Unsupported' mai 25 17:06:41 l2ppar ModemManager[791]: <warn> couldn't load initial EPS bearer settings: 'LTE attach configuration is unsupported' mai 25 17:06:41 l2ppar ModemManager[791]: <info> Modem: state changed (unknown -> disabled) [root@l2ppar ivo]# How do one can enable the modem under Fedora 32 then?
If to try to enable modem in ModemManager I get in log: mai 25 23:22:22 l2ppar ModemManager[789]: <info> Modem /org/freedesktop/ModemManager1/Modem/3: state changed (disabled -> enabling) mai 25 23:22:22 l2ppar NetworkManager[902]: <info> [1590438142.8814] modem["cdc-wdm0"]: modem state changed, 'disabled' --> 'enabling' (reason: user-requested) mai 25 23:22:27 l2ppar ModemManager[789]: <info> Modem /org/freedesktop/ModemManager1/Modem/3: state changed (enabling -> disabled) mai 25 23:22:27 l2ppar NetworkManager[902]: <info> [1590438147.3468] modem["cdc-wdm0"]: modem state changed, 'enabling' --> 'disabled' (reason: unknown)
Somehow a reboot later the modem migrated from slot 0 to 3 and now I get: [ivo@l2ppar ~]$ mmcli -L /org/freedesktop/ModemManager1/Modem/3 [Huawei Technologies Co., Ltd.] HUAWEI Mobile [ivo@l2ppar ~]$ mmcli -m 3 -e error: couldn't enable the modem: 'GDBus.Error:org.freedesktop.ModemManager1.Error.Core.Failed: Cannot power-up: hardware radio switch is OFF' [ivo@l2ppar ~]$ Where is that hardware radio switch or is it just a random error message?
That hardware radio thingie inspired me to fiddle with the airplane mode. I have newer used one and only way to trigger it was the keyboard key 'wi-fi' on/off. After that the modem was able to be enabled. Somehow that ability survived a reboot and suspend. I hope it will stick now, but there seems to be an hidden variable somewhere tied to what modem enabling code.
Upgrade to Fedora 33 did bring the problem back, but it seems to be a frontend problem now - the GNOME GUI is unable to start the LTE connections, but at least nmtui still does work.
Different kernels at play here. For instance the modem is being found by kernel-5.8.16-300.fc33.x86_64 but not in case of kernel-5.9.8-200.fc33.x86_64.
it is a firmware problem, it must be updated to the latest version available.
What firmware? Something bundled with the Linux kernel or of the device itself? How one shall update it?
As for the official Lenovo firmware for the card I have even newer one installed and nowhere to upgrade to: https://pcsupport.lenovo.com/pa/en/products/laptops-and-netbooks/thinkpad-t-series-laptops/thinkpad-t460/downloads/ds118646
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Fedora 33 changed to end-of-life (EOL) status on 2021-11-30. Fedora 33 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. If you are unable to reopen this bug, please file a new report against the current release. If you experience problems, please add a comment to this bug. Thank you for reporting this bug and we are sorry it could not be fixed.