Okay, after a few minutes under Disco, I'm still experiencing strange delays on WiFi on my home router, Netgear R7000, very very similar to the latencies on Mozilla's network. Revering to v34 firmware seems to workaround the issue.
> [ 6.367375] iwlwifi 0000:3d:00.0: loaded firmware version 36.9f0a2d68.0 > op_mode iwlmvm > [ 6.406151] iwlwifi 0000:3d:00.0: Detected Intel(R) Dual Band Wireless AC > 8265, REV=0x230 -- 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/1802306 Title: Network connectivity lost after a few minutes on Intel Corporation Wireless 8265 / 8275 (rev 78), ThinkPad T480s, firmware v36 Status in linux package in Ubuntu: Expired Bug description: STR: - connect to Mozilla or Mozilla Guest wifi networks After a few seconds / minutes (less than three in general), no more network connectivity, but no error reported in dmesg. Only solution is to disconnect / reconnect network. To date, it does not happen at home, connected on a Netgear R7000 AP, the issue is somehow triggered by the infra at Mozilla (Paris office). --- ProblemType: Bug ApportVersion: 2.20.10-0ubuntu13 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: alex 2871 F.... pulseaudio CurrentDesktop: GNOME DistroRelease: Ubuntu 18.10 HibernationDevice: RESUME=LABEL="Swap" InstallationDate: Installed on 2012-11-03 (2196 days ago) InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5) MachineType: LENOVO 20L7CTO1WW Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-10-generic root=UUID=45c5d738-161a-4a73-9614-c529fdf655be ro quiet splash vt.handoff=1 ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12 RelatedPackageVersions: linux-restricted-modules-4.18.0-10-generic N/A linux-backports-modules-4.18.0-10-generic N/A linux-firmware 1.175 Tags: cosmic Uname: Linux 4.18.0-10-generic x86_64 UpgradeStatus: Upgraded to cosmic on 2018-10-22 (17 days ago) UserGroups: adm cdrom dialout dip disk docker kismet libvirt libvirtd lpadmin plugdev sambashare sudo vboxusers video _MarkForUpload: True dmi.bios.date: 09/13/2018 dmi.bios.vendor: LENOVO dmi.bios.version: N22ET49W (1.26 ) dmi.board.asset.tag: Not Available dmi.board.name: 20L7CTO1WW dmi.board.vendor: LENOVO dmi.board.version: SDK0J40697 WIN dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.modalias: dmi:bvnLENOVO:bvrN22ET49W(1.26):bd09/13/2018:svnLENOVO:pn20L7CTO1WW:pvrThinkPadT480s:rvnLENOVO:rn20L7CTO1WW:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone: dmi.product.family: ThinkPad T480s dmi.product.name: 20L7CTO1WW dmi.product.sku: LENOVO_MT_20L7_BU_Think_FM_ThinkPad T480s dmi.product.version: ThinkPad T480s dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1802306/+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