<div dir="ltr"><div>im having an issue in windows and linux/modemmanager with this rm510q. It seems to start up then stop allowing at commands. any tips on how to resolve this?</div><div> </div><div>[93736.682684] option1 ttyUSB3: GSM modem (1-port) converter now disconnected from ttyUSB3 [93736.682723] option 2-2:1.3: device disconnected [93736.682853] cdc_mbim 2-2:1.4 wwan0: unregister 'cdc_mbim' usb-0000:00:1d.7-2, CDC MBIM [93746.221704] usb 2-2: new high-speed USB device number 27 using ehci-pci [93746.380581] usb 2-2: New USB device found, idVendor=2c7c, idProduct=0800, bcdDevice= 4.14 [93746.380586] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [93746.380590] usb 2-2: Product: RM500Q-GL [93746.380593] usb 2-2: Manufacturer: Quectel [93746.380596] usb 2-2: SerialNumber: 4ffea7a8 [93746.382788] option 2-2:1.0: GSM modem (1-port) converter detected [93746.385903] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB0 [93746.386151] option 2-2:1.1: GSM modem (1-port) converter detected [93746.386509] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB1 [93746.386742] option 2-2:1.2: GSM modem (1-port) converter detected [93746.387043] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB2 [93746.387287] option 2-2:1.3: GSM modem (1-port) converter detected [93746.387799] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB3 [93746.410516] cdc_mbim 2-2:1.4: setting rx_max = 16384 [93746.411047] cdc_mbim 2-2:1.4: cdc-wdm0: USB WDM device [93746.411494] cdc_mbim 2-2:1.4 wwan0: register 'cdc_mbim' at usb-0000:00:1d.7-2, CDC MBIM, 2a:f0:1b:0a:cc:4f [93960.490346] usb 2-2: USB disconnect, device number 27 [93960.490754] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0 [93960.490800] option 2-2:1.0: device disconnected [93960.491883] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1 [93960.491931] option 2-2:1.1: device disconnected [93960.492272] option1 ttyUSB2: GSM modem (1-port) converter now disconnected from ttyUSB2 [93960.492312] option 2-2:1.2: device disconnected [93960.492624] option1 ttyUSB3: GSM modem (1-port) converter now disconnected from ttyUSB3 [93960.492665] option 2-2:1.3: device disconnected [93960.492792] cdc_mbim 2-2:1.4 wwan0: unregister 'cdc_mbim' usb-0000:00:1d.7-2, CDC MBIM [93969.893718] usb 2-2: new high-speed USB device number 28 using ehci-pci [93970.052914] usb 2-2: New USB device found, idVendor=2c7c, idProduct=0800, bcdDevice= 4.14 [93970.052920] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [93970.052923] usb 2-2: Product: RM500Q-GL [93970.052926] usb 2-2: Manufacturer: Quectel [93970.052929] usb 2-2: SerialNumber: 4ffea7a8 [93970.054744] option 2-2:1.0: GSM modem (1-port) converter detected [93970.056368] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB0 [93970.056605] option 2-2:1.1: GSM modem (1-port) converter detected [93970.061121] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB1 [93970.061381] option 2-2:1.2: GSM modem (1-port) converter detected [93970.061732] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB2 [93970.061923] option 2-2:1.3: GSM modem (1-port) converter detected [93970.063904] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB3 [93970.085972] cdc_mbim 2-2:1.4: setting rx_max = 16384 [93970.086681] cdc_mbim 2-2:1.4: cdc-wdm0: USB WDM device [93970.087620] cdc_mbim 2-2:1.4 wwan0: register 'cdc_mbim' at usb-0000:00:1d.7-2, CDC MBIM, 2a:f0:1b:0a:cc:4f [94145.532049] usb 2-2: USB disconnect, device number 28 [94145.532449] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0 [94145.532494] option 2-2:1.0: device disconnected [94145.535573] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1 [94145.535626] option 2-2:1.1: device disconnected [94145.536157] option1 ttyUSB2: GSM modem (1-port) converter now disconnected from ttyUSB2 [94145.536197] option 2-2:1.2: device disconnected [94145.536642] option1 ttyUSB3: GSM modem (1-port) converter now disconnected from ttyUSB3 [94145.536680] option 2-2:1.3: device disconnected [94145.536811] cdc_mbim 2-2:1.4 wwan0: unregister 'cdc_mbim' usb-0000:00:1d.7-2, CDC MBIM [94153.093294] PM: suspend entry (deep) [94153.493420] Filesystems sync: 0.400 seconds [94153.494050] Freezing user space processes ... (elapsed 0.003 seconds) done. [94153.497303] OOM killer disabled. [94153.497304] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done. [94153.498983] printk: Suspending console(s) (use no_console_suspend to debug) [94153.499614] wlp8s0: deauthenticating from 60:38:e0:ba:aa:aa by local choice (Reason: 3=DEAUTH_LEAVING) [94153.521695] sd 0:0:0:0: [sda] Synchronizing SCSI cache [94153.565191] sd 0:0:0:0: [sda] Stopping disk [94154.586075] ACPI: EC: interrupt blocked [94154.609872] ACPI: Preparing to enter system sleep state S3 [94154.612088] ACPI: EC: event blocked [94154.612089] ACPI: EC: EC stopped [94154.612090] PM: Saving platform NVS memory [94154.612384] Disabling non-boot CPUs ... [94154.613846] smpboot: CPU 1 is now offline [94154.614569] ACPI: Low-level resume complete [94154.614569] ACPI: EC: EC started [94154.614569] PM: Restoring platform NVS memory [94154.622904] Enabling non-boot CPUs ... [94154.622983] x86: Booting SMP configuration: [94154.622984] smpboot: Booting Node 0 Processor 1 APIC 0x1 [94154.658736] CPU1 is up [94154.660311] ACPI: Waking up from system sleep state S3 [94154.660993] ACPI: EC: interrupt unblocked [94154.687504] ACPI: EC: event unblocked [94154.687993] usb usb3: root hub lost power or was reset [94154.688065] usb usb5: root hub lost power or was reset [94154.688314] usb usb8: root hub lost power or was reset [94154.688443] sdhci-pci 0000:14:00.1: Will use DMA mode even though HW doesn't fully claim to support it. [94154.688462] sdhci-pci 0000:14:00.1: Will use DMA mode even though HW doesn't fully claim to support it. [94154.689439] sd 0:0:0:0: [sda] Starting disk [94154.690059] usb usb4: root hub lost power or was reset [94154.690536] usb usb6: root hub lost power or was reset [94154.690908] usb usb7: root hub lost power or was reset [94154.698440] iwlwifi 0000:08:00.0: Radio type=0x1-0x2-0x0 [94154.822559] iwlwifi 0000:08:00.0: Radio type=0x1-0x2-0x0 [94154.929609] usb 1-6: reset high-speed USB device number 2 using ehci-pci [94155.005465] ata2: SATA link down (SStatus 0 SControl 300) [94155.005503] ata5: SATA link down (SStatus 0 SControl 300) [94155.165623] ata6: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [94155.176514] OOM killer enabled. [94155.176515] Restarting tasks ... done. [94155.205253] ata6.00: configured for UDMA/100 [94155.261634] firewire_core 0000:14:00.0: rediscovered device fw0 [94155.365416] video LNXVIDEO:01: Restoring backlight state [94155.367933] PM: suspend exit [94156.117391] psmouse serio1: synaptics: queried max coordinates: x [..5430], y [..4614] [94158.253098] wlp8s0: authenticate with 60:38:e0:ba:aa:aa [94158.255730] wlp8s0: send auth to 60:38:e0:ba:aa:aa (try 1/3) [94158.286633] wlp8s0: authenticated [94158.286907] wlp8s0: waiting for beacon from 60:38:e0:ba:aa:aa [94158.389605] wlp8s0: associate with 60:38:e0:ba:aa:aa (try 1/3) [94158.391530] wlp8s0: RX AssocResp from 60:38:e0:ba:aa:aa (capab=0x511 status=0 aid=5) [94158.417620] wlp8s0: associated [94159.513620] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [94159.729617] ata1.00: configured for UDMA/133 [94160.292789] wlp8s0: deauthenticating from 60:38:e0:ba:aa:aa by local choice (Reason: 3=DEAUTH_LEAVING) [94160.329138] RTL8211B Gigabit Ethernet r8169-2000:00: attached PHY driver [RTL8211B Gigabit Ethernet] (mii_bus:phy_addr=r8169-2000:00, irq=IGNORE) [94160.551273] r8169 0000:20:00.0 enp32s0: Link is Down [94160.567452] iwlwifi 0000:08:00.0: Radio type=0x1-0x2-0x0 [94160.690572] iwlwifi 0000:08:00.0: Radio type=0x1-0x2-0x0 [94163.814991] wlp8s0: authenticate with 60:38:e0:ba:aa:aa [94163.816902] wlp8s0: send auth to 60:38:e0:ba:aa:aa (try 1/3) [94163.817720] wlp8s0: authenticated [94163.825600] wlp8s0: associate with 60:38:e0:ba:aa:aa (try 1/3) [94163.827279] wlp8s0: RX AssocResp from 60:38:e0:ba:aa:aa (capab=0x511 status=0 aid=5) [94163.852401] wlp8s0: associated [94164.831961] IPv6: ADDRCONF(NETDEV_CHANGE): wlp8s0: link becomes ready [94177.953714] usb 2-2: new high-speed USB device number 29 using ehci-pci [94178.112704] usb 2-2: New USB device found, idVendor=2c7c, idProduct=0800, bcdDevice= 4.14 [94178.112709] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [94178.112713] usb 2-2: Product: RM500Q-GL [94178.112716] usb 2-2: Manufacturer: Quectel [94178.112719] usb 2-2: SerialNumber: 4ffea7a8 [94178.116910] option 2-2:1.0: GSM modem (1-port) converter detected [94178.117255] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB0 [94178.117481] option 2-2:1.1: GSM modem (1-port) converter detected [94178.117851] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB1 [94178.118101] option 2-2:1.2: GSM modem (1-port) converter detected [94178.121293] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB2 [94178.121547] option 2-2:1.3: GSM modem (1-port) converter detected [94178.121752] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB3 [94178.142834] cdc_mbim 2-2:1.4: setting rx_max = 16384 [94178.143945] cdc_mbim 2-2:1.4: cdc-wdm0: USB WDM device [94178.145209] cdc_mbim 2-2:1.4 wwan0: register 'cdc_mbim' at usb-0000:00:1d.7-2, CDC MBIM, 2a:f0:1b:0a:cc:4f [94260.187584] usb 2-2: USB disconnect, device number 29 [94260.188775] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0 [94260.188813] option 2-2:1.0: device disconnected [94260.194812] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1 [94260.194859] option 2-2:1.1: device disconnected [94260.195299] option1 ttyUSB2: GSM modem (1-port) converter now disconnected from ttyUSB2 [94260.195331] option 2-2:1.2: device disconnected [94260.195684] option1 ttyUSB3: GSM modem (1-port) converter now disconnected from ttyUSB3 [94260.195714] option 2-2:1.3: device disconnected [94260.195816] cdc_mbim 2-2:1.4 wwan0: unregister 'cdc_mbim' usb-0000:00:1d.7-2, CDC MBIM [94269.905648] usb 2-2: new high-speed USB device number 30 using ehci-pci [94270.064814] usb 2-2: New USB device found, idVendor=2c7c, idProduct=0800, bcdDevice= 4.14 [94270.064820] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [94270.064823] usb 2-2: Product: RM500Q-GL [94270.064826] usb 2-2: Manufacturer: Quectel [94270.064829] usb 2-2: SerialNumber: 4ffea7a8 [94270.069535] option 2-2:1.0: GSM modem (1-port) converter detected [94270.070002] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB0 [94270.070221] option 2-2:1.1: GSM modem (1-port) converter detected [94270.070521] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB1 [94270.070747] option 2-2:1.2: GSM modem (1-port) converter detected [94270.071018] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB2 [94270.071260] option 2-2:1.3: GSM modem (1-port) converter detected [94270.071570] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB3 [94270.095741] cdc_mbim 2-2:1.4: setting rx_max = 16384 [94270.098701] cdc_mbim 2-2:1.4: cdc-wdm0: USB WDM device [94270.100133] cdc_mbim 2-2:1.4 wwan0: register 'cdc_mbim' at usb-0000:00:1d.7-2, CDC MBIM, 2a:f0:1b:0a:cc:4f [94482.992421] usb 2-2: USB disconnect, device number 30 [94482.992846] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0 [94482.992898] option 2-2:1.0: device disconnected [94482.996326] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1 [94482.996364] option 2-2:1.1: device disconnected [94482.998197] option1 ttyUSB2: GSM modem (1-port) converter now disconnected from ttyUSB2 [94482.998240] option 2-2:1.2: device disconnected [94482.999210] option1 ttyUSB3: GSM modem (1-port) converter now disconnected from ttyUSB3 [94482.999245] option 2-2:1.3: device disconnected [94482.999354] cdc_mbim 2-2:1.4 wwan0: unregister 'cdc_mbim' usb-0000:00:1d.7-2, CDC MBIM [94492.537690] usb 2-2: new high-speed USB device number 31 using ehci-pci [94492.697071] usb 2-2: New USB device found, idVendor=2c7c, idProduct=0800, bcdDevice= 4.14 [94492.697078] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [94492.697081] usb 2-2: Product: RM500Q-GL [94492.697084] usb 2-2: Manufacturer: Quectel [94492.697087] usb 2-2: SerialNumber: 4ffea7a8 [94492.699150] option 2-2:1.0: GSM modem (1-port) converter detected [94492.703426] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB0 [94492.703694] option 2-2:1.1: GSM modem (1-port) converter detected [94492.704418] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB1 [94492.704648] option 2-2:1.2: GSM modem (1-port) converter detected [94492.704818] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB2 [94492.705055] option 2-2:1.3: GSM modem (1-port) converter detected [94492.708902] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB3 [94492.731453] cdc_mbim 2-2:1.4: setting rx_max = 16384 [94492.732220] cdc_mbim 2-2:1.4: cdc-wdm0: USB WDM device [94492.732851] cdc_mbim 2-2:1.4 wwan0: register 'cdc_mbim' at usb-0000:00:1d.7-2, CDC MBIM, 2a:f0:1b:0a:cc:4f [94636.819848] usb 2-2: USB disconnect, device number 31 [94636.820267] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0 [94636.820322] option 2-2:1.0: device disconnected [94636.829888] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1 [94636.829951] option 2-2:1.1: device disconnected [94636.832955] option1 ttyUSB2: GSM modem (1-port) converter now disconnected from ttyUSB2 [94636.832991] option 2-2:1.2: device disconnected [94636.835708] option1 ttyUSB3: GSM modem (1-port) converter now disconnected from ttyUSB3 [94636.835739] option 2-2:1.3: device disconnected [94636.835833] cdc_mbim 2-2:1.4 wwan0: unregister 'cdc_mbim' usb-0000:00:1d.7-2, CDC MBIM [94646.621719] usb 2-2: new high-speed USB device number 32 using ehci-pci [94646.781208] usb 2-2: New USB device found, idVendor=2c7c, idProduct=0800, bcdDevice= 4.14 [94646.781213] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [94646.781217] usb 2-2: Product: RM500Q-GL [94646.781220] usb 2-2: Manufacturer: Quectel [94646.781223] usb 2-2: SerialNumber: 4ffea7a8 [94646.785189] option 2-2:1.0: GSM modem (1-port) converter detected [94646.785857] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB0 [94646.786084] option 2-2:1.1: GSM modem (1-port) converter detected [94646.786433] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB1 [94646.786817] option 2-2:1.2: GSM modem (1-port) converter detected [94646.787087] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB2 [94646.787452] option 2-2:1.3: GSM modem (1-port) converter detected [94646.787718] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB3 [94646.810093] cdc_mbim 2-2:1.4: setting rx_max = 16384 [94646.810858] cdc_mbim 2-2:1.4: cdc-wdm0: USB WDM device [94646.811612] cdc_mbim 2-2:1.4 wwan0: register 'cdc_mbim' at usb-0000:00:1d.7-2, CDC MBIM, 2a:f0:1b:0a:cc:4f russ@russ-Studio-1745:~$ lsusb -t /: Bus 08.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M /: Bus 07.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M /: Bus 06.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M /: Bus 05.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M /: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M /: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/6p, 480M |__ Port 2: Dev 32, If 0, Class=Vendor Specific Class, Driver=option, 480M |__ Port 2: Dev 32, If 1, Class=Vendor Specific Class, Driver=option, 480M |__ Port 2: Dev 32, If 2, Class=Vendor Specific Class, Driver=option, 480M |__ Port 2: Dev 32, If 3, Class=Vendor Specific Class, Driver=option, 480M |__ Port 2: Dev 32, If 4, Class=Communications, Driver=cdc_mbim, 480M |__ Port 2: Dev 32, If 5, Class=CDC Data, Driver=cdc_mbim, 480M /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/6p, 480M |__ Port 6: Dev 2, If 0, Class=Video, Driver=uvcvideo, 480M |__ Port 6: Dev 2, If 1, Class=Video, Driver=uvcvideo, 480M russ@russ-Studio-1745:~$ mmcli -m 0 error: couldn't find modem at '/org/freedesktop/ModemManager1/Modem/0' russ@russ-Studio-1745:~$ </div></div>