Hi Robert, Since the uptime of that machine is important, this might be kind of tricky, but we can still collect logs on the troublesome kernel with an extra step. Once you've booted into the kernel where networking doesn't work, the report can be generated and saved locally. Then you can boot back into the 4.18 kernel and submit the report to this bug [1].
My hope is that the logs might contain some clues which will help us zero in on the regression without too much kernel testing churn. If that's not the case, bisection to find the commit that introduced this regression looks like it could take around 15 steps to bisect and drill down on the regression. [1] See step #2 here: https://help.ubuntu.com/community/ReportingBugs#Filing_bugs_when_offline_or_using_a_headless_setup -- 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/1828666 Title: Kernels 5.0.0 and later networking does not work on i7-6850k on Asus X99A motherboard Status in linux package in Ubuntu: Confirmed Bug description: On Asus x99A platform with an i7-6850k and 128GB RAM, 5.0.0 and later kernels neworking does not work. This is true whether I use the internal network card which is an Intel E1000 based chipset or a add on card that uses a Broadcomm chip. The same kernels work fine on X299 motherboards and i7-6700k CPUs. I have to run 4.18.0-x on this machine for networking to work. I have determined the problem is upstream as I built a 5.1.0 mainstream kernel and it behaves identically. I can't report from a machine that doesn't work since networking is what is broken that is why this machine is running 4.18.0 instead of 5.0.0 kernel under Ubuntu 19.04. ProblemType: Bug DistroRelease: Ubuntu 19.04 Package: linux-image-5.0.0-14-lowlatency (not installed) ProcVersionSignature: Ubuntu 4.18.0-18.19-lowlatency 4.18.20 Uname: Linux 4.18.0-18-lowlatency x86_64 ApportVersion: 2.20.10-0ubuntu27 Architecture: amd64 AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/controlC1', '/dev/snd/hwC1D3', '/dev/snd/hwC1D2', '/dev/snd/hwC1D1', '/dev/snd/hwC1D0', '/dev/snd/pcmC1D9p', '/dev/snd/pcmC1D8p', '/dev/snd/pcmC1D7p', '/dev/snd/pcmC1D3p', '/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D2c', '/dev/snd/pcmC0D1p', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CurrentDesktop: MATE Date: Sat May 11 03:20:29 2019 HibernationDevice: RESUME=UUID=963cb206-8962-4fc0-82a1-fc4f02a9b5c5 InstallationDate: Installed on 2017-05-05 (735 days ago) InstallationMedia: Ubuntu-MATE 17.04 "Zesty Zapus" - Release amd64 (20170412) MachineType: ASUS All Series ProcFB: 0 nouveaufb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.18.0-18-lowlatency root=UUID=28825f5b-a6fd-4e09-982c-0513ae4d2842 ro PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-4.18.0-18-lowlatency N/A linux-backports-modules-4.18.0-18-lowlatency N/A linux-firmware 1.178.1 RfKill: SourcePackage: linux UpgradeStatus: Upgraded to disco on 2019-05-05 (6 days ago) dmi.bios.date: 08/11/2017 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 1801 dmi.board.asset.tag: Default string dmi.board.name: X99-E dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: Rev 1.xx dmi.chassis.asset.tag: Default string dmi.chassis.type: 3 dmi.chassis.vendor: Default string dmi.chassis.version: Default string dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1801:bd08/11/2017:svnASUS:pnAllSeries:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnX99-E:rvrRev1.xx:cvnDefaultstring:ct3:cvrDefaultstring: dmi.product.family: ASUS MB dmi.product.name: All Series dmi.product.sku: All dmi.product.version: System Version dmi.sys.vendor: ASUS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1828666/+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
