Hi Verdre, >I'm making progress with figuring out potential workarounds for this issue >right now, seems like the "Firmware wakeup failed" error on resume indeed is >caused by another issue (that might still be related to PCI connection/ASPM >issues) than the command timeout OK; Thanks for this; I read it as 'these two issues have different root causes';
>The L0s and L1 state can be found under "Capabilities: Express (v2) Endpoint >-> LnkCtl" --- LnkCtl: ASPM L0s L1 Enabled; --- >the L1-substates can be found under "Capabilities: L1 PM Substates -> >L1SubCtl1" --- L1SubCtl1: PCI-PM_L1.2+ PCI-PM_L1.1+ ASPM_L1.2+ ASPM_L1.1+ --- >make sure L1.2 is enabled and can be entered it is enabled(above output of lspci -vvv); but is there a seperate check to know if it could be *entered*; >maybe make sure that S0Ix sleep is actually reached during suspend by checking cat /sys/devices/system/cpu/cpuidle/low_power_idle_system_residency_us cat: /sys/devices/system/cpu/cpuidle/low_power_idle_system_residency_us: No such file or directory cat /sys/devices/system/cpu/cpuidle/low_power_idle_cpu_residency_us 3565055 >Your testing setup sounds correct and should trigger the "Firmware wakeup >failed" issue >The command timeout should happen quite quickly I am doing different try outs, I will update as soon I could recreate these; Regards, Ganapathi -- 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/1730924 Title: Wifi does down "crash" in Surface Pro 4 Status in Linux: Confirmed Status in linux package in Ubuntu: Incomplete Bug description: I have a Surface Pro 4. The wifi works well in principle, but unfortunately it drops every x minutes. The only way to fix it I've found is to reboot the computer. lsb_release -rd Description: Ubuntu 17.10 Release: 17.10 ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: linux-image-4.13.0-16-generic 4.13.0-16.19 ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4 Uname: Linux 4.13.0-16-generic x86_64 ApportVersion: 2.20.7-0ubuntu3.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: predatux 1537 F.... pulseaudio CurrentDesktop: KDE Date: Wed Nov 8 10:41:26 2017 HibernationDevice: RESUME=UUID=147af4ba-a4ce-41fe-a176-b36a1f6a590b Lsusb: Bus 002 Device 002: ID 045e:090c Microsoft Corp. Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 002: ID 045e:07e8 Microsoft Corp. Bus 001 Device 003: ID 1286:204c Marvell Semiconductor, Inc. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Microsoft Corporation Surface Pro 4 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-16-generic root=UUID=125200b0-7377-4985-a217-15503781a525 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-4.13.0-16-generic N/A linux-backports-modules-4.13.0-16-generic N/A linux-firmware 1.169 SourcePackage: linux UpgradeStatus: Upgraded to artful on 2017-10-22 (16 days ago) dmi.bios.date: 02/24/2017 dmi.bios.vendor: Microsoft Corporation dmi.bios.version: 106.1624.768 dmi.board.name: Surface Pro 4 dmi.board.vendor: Microsoft Corporation dmi.chassis.type: 9 dmi.chassis.vendor: Microsoft Corporation dmi.modalias: dmi:bvnMicrosoftCorporation:bvr106.1624.768:bd02/24/2017:svnMicrosoftCorporation:pnSurfacePro4:pvrD0B08F1C03P38:rvnMicrosoftCorporation:rnSurfacePro4:rvr:cvnMicrosoftCorporation:ct9:cvr: dmi.product.family: Surface dmi.product.name: Surface Pro 4 dmi.product.version: D:0B:08F:1C:03P:38 dmi.sys.vendor: Microsoft Corporation To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1730924/+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