apport information ** Tags added: apport-collected xenial
** Description changed: My server is : PowerEdge T630 2x Intel(R) Xeon(R) CPU E5-2623 v4 @ 2.60GHz 128G of ram 4x VGA compatible controller [0300]: NVIDIA Corporation GP102 [TITAN X] [10de:1b00] (rev a1) Starting 116G ram 16vcpus + 4 pci passthrough allocating memory stops after about half of the memory. When upgrading from kernel 4.13.0 to 4.15.0 starting a vm takes a long time. I tested kernel : linux-image-4.13.0-37 not affected linux-image-4.13.0-45 not affected linux-image-4.15.0-34 affected linux-image-4.15.0-42 affected After disabling transparent_hugepage on 4.15 everything seems to work correctly. cat /proc/cmdline BOOT_IMAGE=/boot/vmlinuz-4.15.0-42-generic root=UUID=<some uuid> ro intel_iommu=on transparent_hugepage=never splash quiet vt.handoff=7 + --- + AlsaDevices: + total 0 + crw-rw---- 1 root audio 116, 1 Dec 18 20:02 seq + crw-rw---- 1 root audio 116, 33 Dec 18 20:02 timer + AplayDevices: Error: [Errno 2] No such file or directory + ApportVersion: 2.20.1-0ubuntu2.18 + Architecture: amd64 + ArecordDevices: Error: [Errno 2] No such file or directory + AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: + DistroRelease: Ubuntu 16.04 + HibernationDevice: RESUME=UUID=d1a63627-71f0-4d12-90cb-025ed3aa8439 + IwConfig: Error: [Errno 2] No such file or directory + MachineType: Supermicro X8DTH-i/6/iF/6F + Package: linux (not installed) + PciMultimedia: + + ProcFB: 0 mgadrmfb + ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-42-generic root=UUID=7d5fdcc6-37a6-4b95-bf01-4f5c9637720b ro biosdevname=0 net.ifnames=0 splash intel_iommu=on quiet audit=1 vt.handoff=7 + ProcVersionSignature: Ubuntu 4.15.0-42.45~16.04.1-generic 4.15.18 + RelatedPackageVersions: + linux-restricted-modules-4.15.0-42-generic N/A + linux-backports-modules-4.15.0-42-generic N/A + linux-firmware 1.157.21 + RfKill: Error: [Errno 2] No such file or directory + Tags: xenial xenial + Uname: Linux 4.15.0-42-generic x86_64 + UnreportableReason: The report belongs to a package that is not installed. + UpgradeStatus: No upgrade log present (probably fresh install) + UserGroups: + + _MarkForUpload: False + dmi.bios.date: 05/04/12 + dmi.bios.vendor: American Megatrends Inc. + dmi.bios.version: 2.1b + dmi.board.asset.tag: To Be Filled By O.E.M. + dmi.board.name: X8DTH + dmi.board.vendor: Supermicro + dmi.board.version: 1234567890 + dmi.chassis.asset.tag: To Be Filled By O.E.M. + dmi.chassis.type: 17 + dmi.chassis.vendor: Supermicro + dmi.chassis.version: 1234567890 + dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr2.1b:bd05/04/12:svnSupermicro:pnX8DTH-i/6/iF/6F:pvr1234567890:rvnSupermicro:rnX8DTH:rvr1234567890:cvnSupermicro:ct17:cvr1234567890: + dmi.product.family: Server + dmi.product.name: X8DTH-i/6/iF/6F + dmi.product.version: 1234567890 + dmi.sys.vendor: Supermicro ** Attachment added: "CRDA.txt" https://bugs.launchpad.net/bugs/1808412/+attachment/5223531/+files/CRDA.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1808412 Title: 4.15.0 memory allocation issue To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1808412/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
