Comment 25 for bug 1990700

Kernel - 6.4.0-060400-generic
Lenovo T14s Gen3 AMD

  -----------------------------------
  General | path: /org/freedesktop/ModemManager1/Modem/0
            | device id: 6ee2f6acfa74a3d63c3e99f5cc7ccca6d2617199
  -----------------------------------
  Hardware | manufacturer: generic
            | model: MBIM [14C3:4D75]
            | firmware revision: 81600.0000.00.29.21.24_DT
            | D64
            | h/w revision: V1.0.6
            | supported: gsm-umts, lte, 5gnr
            | current: gsm-umts, lte, 5gnr
            | equipment id: 016177000091627
  -----------------------------------
  System | device: /sys/devices/pci0000:00/0000:00:02.3/0000:02:00.0
            | drivers: mtk_t7xx
            | plugin: generic
            | primary port: wwan0mbim0
            | ports: wwan0 (net), wwan0at0 (at), wwan0mbim0 (mbim)
  -----------------------------------
  Status | lock: sim-pin2
            | unlock retries: sim-pin2 (3)
            | state: disabled
            | power state: low
  -----------------------------------
  Modes | supported: allowed: 3g; preferred: none
            | allowed: 4g; preferred: none
            | allowed: 3g, 4g; preferred: none
            | allowed: 5g; preferred: none
            | allowed: 3g, 5g; preferred: none
            | allowed: 4g, 5g; preferred: none
            | allowed: 3g, 4g, 5g; preferred: none
            | current: allowed: any; preferred: none
  -----------------------------------
  IP | supported: ipv4, ipv6, ipv4v6
  -----------------------------------
  3GPP | imei: 016177000091627
            | enabled locks: fixed-dialing
            | packet service state: detached
  -----------------------------------
  3GPP EPS | ue mode of operation: csps-2
            | initial bearer ip type: ipv4v6
  -----------------------------------
  3GPP 5GNR | mico mode: disabled
  -----------------------------------
  SIM | primary sim path: /org/freedesktop/ModemManager1/SIM/0
            | sim slot paths: slot 1: none
            | slot 2: /org/freedesktop/ModemManager1/SIM/0 (active)

[ 0.836904] mtk_t7xx 0000:02:00.0: enabling device (0000 -> 0002)
[ 11.102115] mtk_t7xx 0000:02:00.0: Port AT is not opened, drop packets
[ 13.016761] mtk_t7xx 0000:02:00.0: Port AT is not opened, drop packets
[ 42.071283] mtk_t7xx 0000:02:00.0: [PM] SAP suspend error: -110
[ 42.071329] mtk_t7xx 0000:02:00.0: can't suspend (t7xx_pci_pm_runtime_suspend [mtk_t7xx] returned -110)
[ 68.432657] mtk_t7xx 0000:02:00.0: Failed to send skb: -22
[ 68.432671] mtk_t7xx 0000:02:00.0: Write error on MBIM port, -22
[ 78.442101] mtk_t7xx 0000:02:00.0: Failed to send skb: -22
[ 78.442117] mtk_t7xx 0000:02:00.0: Write error on MBIM port, -22
[ 98.461565] mtk_t7xx 0000:02:00.0: Failed to send skb: -22
[ 98.461577] mtk_t7xx 0000:02:00.0: Write error on MBIM port, -22