Hi, I found a error in dmesg: [ 0.377436] mtk_t7xx 0000:02:00.0: enabling device (0000 -> 0002) [ 2.388538] mtk_t7xx 0000:02:00.0: Invalid device status 0x1 [ 11.234694] mtk_t7xx 0000:02:00.0: Port AT is not opened, drop packets [ 13.105359] mtk_t7xx 0000:02:00.0: Port AT is not opened, drop packets [ 36.310785] mtk_t7xx 0000:02:00.0: [PM] SAP suspend error: -110 [ 36.310818] mtk_t7xx 0000:02:00.0: can't suspend (t7xx_pci_pm_runtime_suspend returned -110) Kernel: 6.3.9-gentoo-x86_64 Distribution: Gentoo Linux lspci -v: 02:00.0 Wireless controller [0d40]: MEDIATEK Corp. Device 4d75 (rev 01) Subsystem: Device 1cf8:3502 Flags: bus master, fast devsel, latency 0, IRQ 41, IOMMU group 13 Memory at 8f1000000 (64-bit, prefetchable) [size=32K] Memory at 98000000 (64-bit, non-prefetchable) [size=8M] Memory at 8f0800000 (64-bit, prefetchable) [size=8M] Capabilities: [80] Express Endpoint, MSI 00 Capabilities: [d0] MSI-X: Enable+ Count=34 Masked- Capabilities: [e0] MSI: Enable- Count=1/32 Maskable+ 64bit+ Capabilities: [f8] Power Management version 3 Capabilities: [100] Vendor Specific Information: ID=1556 Rev=1 Len=008 <?> Capabilities: [108] Latency Tolerance Reporting Capabilities: [110] L1 PM Substates Capabilities: [200] Advanced Error Reporting Capabilities: [300] Secondary PCI Express Kernel driver in use: mtk_t7xx mmcli -m 0 ---------------------------------- 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 | current: gsm-umts, lte | 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 | unlock retries: sim-pin2 (3) | state: disabled | power state: low ---------------------------------- Modes | supported: allowed: 3g, 4g; preferred: none | current: allowed: 3g, 4g; preferred: none ---------------------------------- IP | supported: ipv4, ipv6, ipv4v6 ---------------------------------- 3GPP | imei: 016177000091627 | enabled locks: fixed-dialing ---------------------------------- 3GPP EPS | ue mode of operation: csps-2 | initial bearer ip type: ipv4v6 ---------------------------------- SIM | primary sim path: /org/freedesktop/ModemManager1/SIM/0 | sim slot paths: slot 1: none | slot 2: /org/freedesktop/ModemManager1/SIM/0 (active)
same issue on vanilla: 6.3.9-x86_64
Do you have this issue on v6.1.y stable kernel? Latest mainline?
Same issue on 6.1.35 kern :info : [pon 26 cze 12:22:14 2023] mtk_t7xx 0000:02:00.0: enabling device (0000 -> 0002) kern :err : [pon 26 cze 12:22:20 2023] mtk_t7xx 0000:02:00.0: Port AT is not opened, drop packets kern :err : [pon 26 cze 12:22:22 2023] mtk_t7xx 0000:02:00.0: Port AT is not opened, drop packets kern :err : [pon 26 cze 12:22:48 2023] mtk_t7xx 0000:02:00.0: [PM] SAP suspend error: -110 kern :err : [pon 26 cze 12:22:48 2023] mtk_t7xx 0000:02:00.0: can't suspend (0xffffffffc06bf780 returned -110)
Not current.