Activity log for bug #1808412

Date Who What changed Old value New value Message
2018-12-13 20:08:47 Marc Gariépy bug added bug
2018-12-13 20:30:05 Ubuntu Kernel Bot linux (Ubuntu): status New Incomplete
2018-12-13 20:30:06 Ubuntu Kernel Bot tags bionic
2018-12-13 20:49:58 Marc Gariépy linux (Ubuntu): status Incomplete Opinion
2018-12-13 20:50:01 Marc Gariépy linux (Ubuntu): status Opinion Confirmed
2018-12-14 05:43:33 Christian Ehrhardt  bug added subscriber Christian Ehrhardt 
2018-12-19 14:44:09 Marc Gariépy tags bionic apport-collected bionic xenial
2018-12-19 14:44:10 Marc Gariépy description 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 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
2018-12-19 14:44:10 Marc Gariépy attachment added CRDA.txt https://bugs.launchpad.net/bugs/1808412/+attachment/5223531/+files/CRDA.txt
2018-12-19 14:44:12 Marc Gariépy attachment added CurrentDmesg.txt https://bugs.launchpad.net/bugs/1808412/+attachment/5223532/+files/CurrentDmesg.txt
2018-12-19 14:44:13 Marc Gariépy attachment added HookError_generic.txt https://bugs.launchpad.net/bugs/1808412/+attachment/5223533/+files/HookError_generic.txt
2018-12-19 14:44:15 Marc Gariépy attachment added Lspci.txt https://bugs.launchpad.net/bugs/1808412/+attachment/5223534/+files/Lspci.txt
2018-12-19 14:44:15 Marc Gariépy attachment added Lsusb.txt https://bugs.launchpad.net/bugs/1808412/+attachment/5223535/+files/Lsusb.txt
2018-12-19 14:44:16 Marc Gariépy attachment added ProcCpuinfoMinimal.txt https://bugs.launchpad.net/bugs/1808412/+attachment/5223536/+files/ProcCpuinfoMinimal.txt
2018-12-19 14:44:17 Marc Gariépy attachment added ProcEnviron.txt https://bugs.launchpad.net/bugs/1808412/+attachment/5223537/+files/ProcEnviron.txt
2018-12-19 14:44:19 Marc Gariépy attachment added ProcInterrupts.txt https://bugs.launchpad.net/bugs/1808412/+attachment/5223538/+files/ProcInterrupts.txt
2018-12-19 14:44:20 Marc Gariépy attachment added ProcModules.txt https://bugs.launchpad.net/bugs/1808412/+attachment/5223539/+files/ProcModules.txt
2018-12-19 14:44:22 Marc Gariépy attachment added UdevDb.txt https://bugs.launchpad.net/bugs/1808412/+attachment/5223540/+files/UdevDb.txt
2018-12-19 14:44:23 Marc Gariépy attachment added WifiSyslog.txt https://bugs.launchpad.net/bugs/1808412/+attachment/5223541/+files/WifiSyslog.txt
2018-12-21 14:39:09 Marc Gariépy bug task added qemu (Ubuntu)