** Description changed: Network issue no IPv6 using Sierra Wireless EM7421 and mbim Description: Ubuntu Jammy Jellyfish Release: 22.04 Linux 5.15.0-25-generic I need to connect via GSM to Internet using IPv6. IPv6 not present in config. Internet connect works with IPv4 although issues seem to exist. EXPECTATION: - IPv6 shall work properly like the EM7455 with same card in very similar machine, Ubuntu. Using the same driver=cdc_mbim + IPv6 shall work properly like the EM7455 with same card in very similar machine, Ubuntu. + IPv6 shall work properly like in Linux-Mint 20.3 on this machine, this setup. + All using the same driver=cdc_mbim ENVIRONMENT: SIM is working properly, EM7421 latest firmware applied, EM7421 capable doing IPv6 with this setup (according to spec + test with Win10); - "package" unknown, sorry. + "package" unknown, sorry. ModemManager probably? ASSUMPTION: Missing IPv6 is a wrong config / bug in software. IPv6 communication can be enabled. Some enhancement / fix can enable IPv6 communication. - REMARK: - Linux-Mint 20.3 una is capable of running the 'EM7421' in proper IPv6 "mode" (kernel 5.4.0-107-generic). + REMARK: + Linux-Mint 20.3 una is capable of running the 'EM7421' in proper IPv6 "mode" (kernel 5.4.0-107-generic). It uses driver=cdc_mbim as well details: Actually no IPv6 available at all (IPv6 is expected to work): 3: wwan0: <BROADCAST,MULTICAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 1000 link/ether 6a:05:2c:26:95:58 brd ff:ff:ff:ff:ff:ff inet 10.34.85.36/29 brd 10.34.85.39 scope global noprefixroute wwan0 This is the Sierra Wireless GSM-Modem (working): sudo mbimcli --device=/dev/cdc-wdm0 --query-device-caps [/dev/cdc-wdm0] Device capabilities retrieved: Device type: 'remote' Cellular class: 'gsm' Voice class: 'no-voice' SIM class: 'removable' Data class: 'umts, hsdpa, hsupa, lte' SMS caps: 'pdu-receive, pdu-send' Ctrl caps: 'reg-manual' Max sessions: '8' Custom data class: 'unknown' Device ID: '356706140353162' Firmware info: 'SWI9X50C_01.14.03.00' Hardware info: 'EM7421' Attempt to start modem via mbim: pre: sudo service network-manager stop sudo systemctl disable ModemManager then Report sudo mbim-network /dev/cdc-wdm0 start Profile at '/etc/mbim-network.conf' not found... Querying subscriber ready status 'mbimcli -d /dev/cdc-wdm0 --query-subscriber-ready-status --no-close'... [/dev/cdc-wdm0] Subscriber ready status retrieved: Ready state: 'initialized' Subscriber ID: '262011905110762' SIM ICCID: '89490200001788157884' Ready info: 'none' Telephone numbers: (1) '+491604282867' [/dev/cdc-wdm0] Session not closed: TRID: '3' Querying registration state 'mbimcli -d /dev/cdc-wdm0 --query-registration-state --no-open=3 --no-close'... [/dev/cdc-wdm0] Registration status: Network error: 'unknown' Register state: 'home' Register mode: 'automatic' Available data classes: 'lte' Current cellular class: 'gsm' Provider ID: '26201' Provider name: 'Telekom.de' Roaming text: 'unknown' Registration flags: 'packet-service-automatic-attach' [/dev/cdc-wdm0] Session not closed: TRID: '4' Attaching to packet service with 'mbimcli -d /dev/cdc-wdm0 --attach-packet-service --no-open=4 --no-close'... [/dev/cdc-wdm0] Successfully attached to packet service [/dev/cdc-wdm0] Packet service status: Network error: 'unknown' Packet service state: 'attached' Available data classes: 'lte' Uplink speed: '150000000 bps' Downlink speed: '300000000 bps' [/dev/cdc-wdm0] Session not closed: TRID: '5' Starting network with 'mbimcli -d /dev/cdc-wdm0 --connect=apn='' --no-open=5 --no-close'... Network started successfully Saving state at /tmp/mbim-network-state-cdc-wdm0... (TRID: 7) status reported by ip a : 3: wwan0: <BROADCAST,MULTICAST,NOARP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000 link/ether 86:a6:1f:1a:ce:30 brd ff:ff:ff:ff:ff:ff try to bring it up: sudo ip link set dev wwan0 up (no error reported) new status reported by ip a : 3: wwan0: <BROADCAST,MULTICAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 1000 link/ether 86:a6:1f:1a:ce:30 brd ff:ff:ff:ff:ff:ff (All SIM / telephony / GSM data above is real; please handle with care) lshw reporting on USB and the like *-usb:2 description: USB controller product: Tiger Lake-LP USB 3.2 Gen 2x1 xHCI Host Controller vendor: Intel Corporation physical id: 14 bus info: pci@0000:00:14.0 version: 20 width: 64 bits clock: 33MHz capabilities: pm msi xhci bus_master cap_list configuration: driver=xhci_hcd latency=0 resources: irq:155 memory:5c420000-5c42ffff *-usbhost:0 product: xHCI Host Controller vendor: Linux 5.15.0-25-generic xhci-hcd physical id: 0 bus info: usb@3 logical name: usb3 version: 5.15 capabilities: usb-2.00 configuration: driver=hub slots=12 speed=480Mbit/s *-usb:0 description: Communication device product: EM7421 vendor: Sierra Wireless, Incorporated physical id: 3 bus info: usb@3:3 version: 0.06 serial: 8G1202758803B121 capabilities: usb-2.00 configuration: driver=cdc_mbim maxpower=500mA speed=480Mbit/s - LUCKILY THIS IS WORKING (booting from dark, NM enabled): + + USB - DRIVER assignment for + Bus 003 Device 003: ID 1199:90b1 Sierra Wireless, Inc. EM7421 + + + lsusb -t + /: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 10000M + /: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/12p, 480M + |__ Port 3: Dev 3, If 0, Class=Communications, Driver=cdc_mbim, 480M + |__ Port 3: Dev 3, If 3, Class=Vendor Specific Class, Driver=, 480M + |__ Port 3: Dev 3, If 1, Class=CDC Data, Driver=cdc_mbim, 480M + |__ Port 3: Dev 3, If 4, Class=Vendor Specific Class, Driver=, 480M + |__ Port 3: Dev 3, If 2, Class=Vendor Specific Class, Driver=, 480M + |__ Port 5: Dev 4, If 0, Class=Hub, Driver=hub/4p, 480M + |__ Port 6: Dev 5, If 0, Class=Video, Driver=uvcvideo, 480M + |__ Port 6: Dev 5, If 1, Class=Video, Driver=uvcvideo, 480M + |__ Port 6: Dev 5, If 2, Class=Video, Driver=uvcvideo, 480M + |__ Port 6: Dev 5, If 3, Class=Video, Driver=uvcvideo, 480M + |__ Port 7: Dev 6, If 0, Class=Chip/SmartCard, Driver=, 12M + |__ Port 10: Dev 7, If 0, Class=Wireless, Driver=btusb, 12M + |__ Port 10: Dev 7, If 1, Class=Wireless, Driver=btusb, 12M + /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 10000M + /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/1p, 480M + + + LUCKILY some parts are WORKING (when booting from dark, NM enabled): WITH STATUS user@user:~$ ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: enp0s31f6: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000 link/ether 90:2e:16:1e:4c:f9 brd ff:ff:ff:ff:ff:ff 3: wwan0: <BROADCAST,MULTICAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 1000 link/ether 6a:05:2c:26:95:58 brd ff:ff:ff:ff:ff:ff inet 10.34.85.36/29 brd 10.34.85.39 scope global noprefixroute wwan0 valid_lft forever preferred_lft forever 4: wlp0s20f3: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000 link/ether 94:e2:3c:ca:c4:48 brd ff:ff:ff:ff:ff:ff THERE IS A CONNECT TO ipv4 SUCCESSFULLY WORKING: user@user:~$ ping www.digitalcourage.de PING www.digitalcourage.de (94.130.145.107) 56(84) bytes of data. 64 bytes from edge6-1.freistilbox.net (94.130.145.107): icmp_seq=1 ttl=52 time=28.1 ms 64 bytes from edge6-1.freistilbox.net (94.130.145.107): icmp_seq=2 ttl=52 time=28.8 ms 64 bytes from edge6-1.freistilbox.net (94.130.145.107): icmp_seq=3 ttl=52 time=27.8 ms ^C --- www.digitalcourage.de ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2002ms rtt min/avg/max/mdev = 27.844/28.235/28.782/0.398 ms user@user:~$ - - Please advise how to get the WWAN adapter EM7421 working in IPv6 mode. + Please advise how to get the WWAN adapter EM7421 working in IPv6 mode. Thanks a lot in advance for your work!
** Package changed: ubuntu => modemmanager (Ubuntu) -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to modemmanager in Ubuntu. https://bugs.launchpad.net/bugs/1969241 Title: Network issue no IPv6 using Sierra Wireless EM7421 and mbim Status in modemmanager package in Ubuntu: New Bug description: Network issue no IPv6 using Sierra Wireless EM7421 and mbim Description: Ubuntu Jammy Jellyfish Release: 22.04 Linux 5.15.0-25-generic I need to connect via GSM to Internet using IPv6. IPv6 not present in config. Internet connect works with IPv4 although issues seem to exist. EXPECTATION: IPv6 shall work properly like the EM7455 with same card in very similar machine, Ubuntu. IPv6 shall work properly like in Linux-Mint 20.3 on this machine, this setup. All using the same driver=cdc_mbim ENVIRONMENT: SIM is working properly, EM7421 latest firmware applied, EM7421 capable doing IPv6 with this setup (according to spec + test with Win10); "package" unknown, sorry. ModemManager probably? ASSUMPTION: Missing IPv6 is a wrong config / bug in software. IPv6 communication can be enabled. Some enhancement / fix can enable IPv6 communication. REMARK: Linux-Mint 20.3 una is capable of running the 'EM7421' in proper IPv6 "mode" (kernel 5.4.0-107-generic). It uses driver=cdc_mbim as well details: Actually no IPv6 available at all (IPv6 is expected to work): 3: wwan0: <BROADCAST,MULTICAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 1000 link/ether 6a:05:2c:26:95:58 brd ff:ff:ff:ff:ff:ff inet 10.34.85.36/29 brd 10.34.85.39 scope global noprefixroute wwan0 This is the Sierra Wireless GSM-Modem (working): sudo mbimcli --device=/dev/cdc-wdm0 --query-device-caps [/dev/cdc-wdm0] Device capabilities retrieved: Device type: 'remote' Cellular class: 'gsm' Voice class: 'no-voice' SIM class: 'removable' Data class: 'umts, hsdpa, hsupa, lte' SMS caps: 'pdu-receive, pdu-send' Ctrl caps: 'reg-manual' Max sessions: '8' Custom data class: 'unknown' Device ID: '356706140353162' Firmware info: 'SWI9X50C_01.14.03.00' Hardware info: 'EM7421' Attempt to start modem via mbim: pre: sudo service network-manager stop sudo systemctl disable ModemManager then Report sudo mbim-network /dev/cdc-wdm0 start Profile at '/etc/mbim-network.conf' not found... Querying subscriber ready status 'mbimcli -d /dev/cdc-wdm0 --query-subscriber-ready-status --no-close'... [/dev/cdc-wdm0] Subscriber ready status retrieved: Ready state: 'initialized' Subscriber ID: '262011905110762' SIM ICCID: '89490200001788157884' Ready info: 'none' Telephone numbers: (1) '+491604282867' [/dev/cdc-wdm0] Session not closed: TRID: '3' Querying registration state 'mbimcli -d /dev/cdc-wdm0 --query-registration-state --no-open=3 --no-close'... [/dev/cdc-wdm0] Registration status: Network error: 'unknown' Register state: 'home' Register mode: 'automatic' Available data classes: 'lte' Current cellular class: 'gsm' Provider ID: '26201' Provider name: 'Telekom.de' Roaming text: 'unknown' Registration flags: 'packet-service-automatic-attach' [/dev/cdc-wdm0] Session not closed: TRID: '4' Attaching to packet service with 'mbimcli -d /dev/cdc-wdm0 --attach-packet-service --no-open=4 --no-close'... [/dev/cdc-wdm0] Successfully attached to packet service [/dev/cdc-wdm0] Packet service status: Network error: 'unknown' Packet service state: 'attached' Available data classes: 'lte' Uplink speed: '150000000 bps' Downlink speed: '300000000 bps' [/dev/cdc-wdm0] Session not closed: TRID: '5' Starting network with 'mbimcli -d /dev/cdc-wdm0 --connect=apn='' --no-open=5 --no-close'... Network started successfully Saving state at /tmp/mbim-network-state-cdc-wdm0... (TRID: 7) status reported by ip a : 3: wwan0: <BROADCAST,MULTICAST,NOARP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000 link/ether 86:a6:1f:1a:ce:30 brd ff:ff:ff:ff:ff:ff try to bring it up: sudo ip link set dev wwan0 up (no error reported) new status reported by ip a : 3: wwan0: <BROADCAST,MULTICAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 1000 link/ether 86:a6:1f:1a:ce:30 brd ff:ff:ff:ff:ff:ff (All SIM / telephony / GSM data above is real; please handle with care) lshw reporting on USB and the like *-usb:2 description: USB controller product: Tiger Lake-LP USB 3.2 Gen 2x1 xHCI Host Controller vendor: Intel Corporation physical id: 14 bus info: pci@0000:00:14.0 version: 20 width: 64 bits clock: 33MHz capabilities: pm msi xhci bus_master cap_list configuration: driver=xhci_hcd latency=0 resources: irq:155 memory:5c420000-5c42ffff *-usbhost:0 product: xHCI Host Controller vendor: Linux 5.15.0-25-generic xhci-hcd physical id: 0 bus info: usb@3 logical name: usb3 version: 5.15 capabilities: usb-2.00 configuration: driver=hub slots=12 speed=480Mbit/s *-usb:0 description: Communication device product: EM7421 vendor: Sierra Wireless, Incorporated physical id: 3 bus info: usb@3:3 version: 0.06 serial: 8G1202758803B121 capabilities: usb-2.00 configuration: driver=cdc_mbim maxpower=500mA speed=480Mbit/s INTERPRETATION: "state UNKNOWN" indicates erroneous API communication. Appears even in case the device partly works. On Linux Mint this state is reported more accurately but other API-data (info about additional DNS) is not proceeded. So I conclude EM7421 interface communication has issues. USB - DRIVER assignment for Bus 003 Device 003: ID 1199:90b1 Sierra Wireless, Inc. EM7421 lsusb -t /: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 10000M /: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/12p, 480M |__ Port 3: Dev 3, If 0, Class=Communications, Driver=cdc_mbim, 480M |__ Port 3: Dev 3, If 3, Class=Vendor Specific Class, Driver=, 480M |__ Port 3: Dev 3, If 1, Class=CDC Data, Driver=cdc_mbim, 480M |__ Port 3: Dev 3, If 4, Class=Vendor Specific Class, Driver=, 480M |__ Port 3: Dev 3, If 2, Class=Vendor Specific Class, Driver=, 480M |__ Port 5: Dev 4, If 0, Class=Hub, Driver=hub/4p, 480M |__ Port 6: Dev 5, If 0, Class=Video, Driver=uvcvideo, 480M |__ Port 6: Dev 5, If 1, Class=Video, Driver=uvcvideo, 480M |__ Port 6: Dev 5, If 2, Class=Video, Driver=uvcvideo, 480M |__ Port 6: Dev 5, If 3, Class=Video, Driver=uvcvideo, 480M |__ Port 7: Dev 6, If 0, Class=Chip/SmartCard, Driver=, 12M |__ Port 10: Dev 7, If 0, Class=Wireless, Driver=btusb, 12M |__ Port 10: Dev 7, If 1, Class=Wireless, Driver=btusb, 12M /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 10000M /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/1p, 480M LUCKILY some parts are WORKING (when booting from dark, NM enabled): WITH STATUS user@user:~$ ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: enp0s31f6: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000 link/ether 90:2e:16:1e:4c:f9 brd ff:ff:ff:ff:ff:ff 3: wwan0: <BROADCAST,MULTICAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 1000 link/ether 6a:05:2c:26:95:58 brd ff:ff:ff:ff:ff:ff inet 10.34.85.36/29 brd 10.34.85.39 scope global noprefixroute wwan0 valid_lft forever preferred_lft forever 4: wlp0s20f3: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000 link/ether 94:e2:3c:ca:c4:48 brd ff:ff:ff:ff:ff:ff THERE IS A CONNECT TO ipv4 SUCCESSFULLY WORKING: user@user:~$ ping www.digitalcourage.de PING www.digitalcourage.de (94.130.145.107) 56(84) bytes of data. 64 bytes from edge6-1.freistilbox.net (94.130.145.107): icmp_seq=1 ttl=52 time=28.1 ms 64 bytes from edge6-1.freistilbox.net (94.130.145.107): icmp_seq=2 ttl=52 time=28.8 ms 64 bytes from edge6-1.freistilbox.net (94.130.145.107): icmp_seq=3 ttl=52 time=27.8 ms ^C --- www.digitalcourage.de ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2002ms rtt min/avg/max/mdev = 27.844/28.235/28.782/0.398 ms user@user:~$ Please advise how to get the WWAN adapter EM7421 working in IPv6 mode. Thanks a lot in advance for your work! To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/1969241/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
