Just a FYI: I reported this bug as well, concerning a closely related Fibocom modem on an Asus Expertbook laptop to Fedora at https://bugzilla.redhat.com/show_bug.cgi?id=2131366
I have not as yet been able to try the patch because I've never built a kernel on Fedora and currently I'm stuck. In other words I'm an idiot. I'll let you know if I figure it out, but meanwhile I thought it just might be useful to know there is another bug report on this. ** Bug watch added: Red Hat Bugzilla #2131366 https://bugzilla.redhat.com/show_bug.cgi?id=2131366 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1990700 Title: Fibocom WWAN FM350-GL suspend error (notebook not suspend) Status in HWE Next: New Status in linux package in Ubuntu: Incomplete Bug description: Hi, I found a "little" problem with Fibocom WWAN FM350-GL 5G modem in module mtk_t7xx . Power management for this modem is bad. When the notebook goes to sleep/suspend, kernel module mtk_t7xx return an error: mtk_t7xx 0000:58:00.0: [PM] SAP suspend error: -110 mtk_t7xx 0000:58:00.0: PM: pci_pm_suspend(): t7xx_pci_pm_suspend+0x0/0x20 [mtk_t7xx] returns -110 mtk_t7xx 0000:58:00.0: PM: dpm_run_callback(): pci_pm_suspend+0x0/0x1a0 returns -110 mtk_t7xx 0000:58:00.0: PM: failed to suspend async: error -110 So power management failed to suspend: PM: Some devices failed to suspend, or early wake event detected And the notebook not suspend and wake up again. It must be this module, because if I remove the module first (modprobe -r), the laptop goes to sleep and wakes up normally. However, after reinserting the module, the modem no longer appears in the system. Expected state: sleep occurs when the device is put to sleep - including the modem. When you wake up, you will wake up, including activating the modem and logging into the operator's network. Description: Ubuntu 20.04.5 LTS Release: 20.04 lspci -v: 58:00.0 Wireless controller [0d40]: MEDIATEK Corp. Device 4d75 (rev 01) Subsystem: Device 1cf8:3500 Flags: bus master, fast devsel, latency 0, IRQ 17 Memory at 601e800000 (64-bit, prefetchable) [size=32K] Memory at 5e800000 (64-bit, non-prefetchable) [size=8M] Memory at 601e000000 (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 Kernel modules: mtk_t7xx lshw: *-generic description: Wireless controller product: MEDIATEK Corp. vendor: MEDIATEK Corp. physical id: 0 bus info: pci@0000:58:00.0 version: 01 width: 64 bits clock: 33MHz capabilities: pciexpress msix msi pm bus_master cap_list configuration: driver=mtk_t7xx latency=0 resources: iomemory:600-5ff iomemory:600-5ff irq:17 memory:601e800000-601e807fff memory:5e800000-5effffff memory:601e000000-601e7fffff modinfo: modinfo mtk_t7xx filename: /lib/modules/5.19.10-051910-generic/kernel/drivers/net/wwan/t7xx/mtk_t7xx.ko license: GPL description: MediaTek PCIe 5G WWAN modem T7xx driver author: MediaTek Inc srcversion: 5FA53465EA0167231B632D4 alias: pci:v000014C3d00004D75sv*sd*bc*sc*i* depends: retpoline: Y intree: Y name: mtk_t7xx vermagic: 5.19.10-051910-generic SMP preempt mod_unload modversions sig_id: PKCS#7 signer: Build time autogenerated kernel key sig_key: 7E:38:36:48:BB:F2:74:0E:30:57:1B:6E:64:90:57:55:30:C5:AF:45 sig_hashalgo: sha512 signature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mmcli -L: /org/freedesktop/ModemManager1/Modem/0 [generic] MBIM [14C3:4D75] Any idea? Thank you. With best regards Jan --- ProblemType: Bug ApportVersion: 2.20.11-0ubuntu27.24 Architecture: amd64 CasperMD5CheckResult: skip DistroRelease: Ubuntu 20.04 InstallationDate: Installed on 2021-04-10 (532 days ago) InstallationMedia: Kubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1) Package: linux (not installed) ProcEnviron: LANGUAGE=cs:en_US TERM=xterm-256color PATH=(custom, no user) LANG=cs_CZ.UTF-8 SHELL=/bin/bash Tags: focal Uname: Linux 5.19.10-051910-generic x86_64 UnreportableReason: The running kernel is not an Ubuntu kernel UpgradeStatus: Upgraded to focal on 2022-09-22 (1 days ago) UserGroups: N/A _MarkForUpload: True To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1990700/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
