Here's the sub-vendor/device ids. Slot: 0003:00:00.0 Class: PCI bridge Vendor: MEDIATEK Corp. Device: Device 7988 Rev: 01 ProgIf: 00 Slot: 0003:01:00.0 Class: Unassigned class [ff00] Vendor: Qualcomm Technologies, Inc Device: SDX24 [Snapdragon X24 4G] SVendor: Qualcomm Technologies, Inc SDevice: SDX24 [Snapdragon X24 4G] ProgIf: 00 Duke, If it helps this is the modem firmware/config as seen by ModemManager. manufacturer: quectel model: EM120R_GL firmware revision: EM120RGLAPR02A07M4G carrier config: ROW_Commercial config revision: 08010809 h/w revision: EM120R_GL Full Firmware Version: M120RGLAPR02A07M4G_10.010.10.010 On Mon, 8 Jul 2024 at 11:21, Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx> wrote: > > + Duke Xin (who is adding Quectel modem support these days) > > On Sun, Jul 07, 2024 at 08:23:57PM +0300, Murithi Borona wrote: > > Hello, > > > > Module: Quectel EM120R-GL > > > > This module does not appear to work fully with the default SDX24 configuration. > > It appears to be another variant of the EM120R-GL (Also FCC-Locked by default). > > > > Issues: > > - Debug ports are missing (AT) > > - It only works over MBIM/QMI with Qualcomm's RMNET driver. > > - In QMI mode it's really unstable and unpredictable with the QMI port > > freezing up. > > > > Are there any missing channels in the SDX24 config or is this a hw/vendor issue. > > When using Quectel's drivers (and blacklisting mhi_pci_generic), all > > the ports are available. > > The configuration for other variants of the same module brings up the > > AT port ( with a recurring warning/error). > > > > Most likely this device is a derivative product that needs a different > configuration than EM120R-GL. Could you please share the sub-vendor/device ids? > You can just share the output of 'lspci -vmm' command. > > Duke Xin: Are you aware of such derivative product? > > - Mani > > > >> [ 5074.472791] sequence number glitch prev=1 curr=0 > > > > > > mhi_qcom_sdx24_info > > ================== > > > > lspci: 0003:01:00.0 Unassigned class [ff00]: Qualcomm Technologies, > > Inc SDX24 [Snapdragon X24 4G] [17cb:0304] > > > > ports: mhi_hwip0 (net), mhi_swip0 (net), wwan2mbim0 (mbim), wwan2qcdm0 > > (ignored), wwan2qmi0 (qmi) > > > > > > mhi_quectel_em1xx_info > > =================== > > > > lspci: 0003:01:00.0 Unassigned class [ff00]: Qualcomm Technologies, > > Inc SDX24 [Snapdragon X24 4G] [17cb:0304] > > > > ports: wwan0 (net), wwan0at0 (at), wwan0mbim0 (mbim), wwan0qcdm0 (ignored) > > -- > மணிவண்ணன் சதாசிவம்
