apport information ** Attachment added: "IwConfig.txt" https://bugs.launchpad.net/bugs/1435363/+attachment/4353428/+files/IwConfig.txt
-- 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/1435363 Title: KSM causing performance and instability issues Status in linux package in Ubuntu: Incomplete Bug description: This seems to be a bug that has regressed, I have encountered the same issue as 2 other reports: LP: #1349897 Running kernel: 3.13.0-46-generic This is replicated over many compute nodes (KVM) running OpenStack. The workaround is to disable KSM: echo 2 > /sys/kernel/mm/ksm/run This fixes the issue temporarily. --- AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Mar 15 02:22 seq crw-rw---- 1 root audio 116, 33 Mar 15 02:22 timer AplayDevices: Error: [Errno 2] No such file or directory ApportVersion: 2.14.1-0ubuntu3.7 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: CRDA: Error: [Errno 2] No such file or directory DistroRelease: Ubuntu 14.04 InstallationDate: Installed on 2015-03-15 (8 days ago) InstallationMedia: Ubuntu-Server 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.3) Lsusb: Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 003: ID 0557:2221 ATEN International Co., Ltd Winbond Hermon Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Supermicro X9DRT-HF+ Package: linux (not installed) PciMultimedia: ProcFB: 0 VESA VGA ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-32-generic root=UUID=b1b3ee88-e8fc-4a36-9fd3-1b0e3da6ca5a ro nomdmonddf nomdmonisw ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4 RelatedPackageVersions: linux-restricted-modules-3.13.0-32-generic N/A linux-backports-modules-3.13.0-32-generic N/A linux-firmware 1.127.11 RfKill: Error: [Errno 2] No such file or directory Tags: trusty Uname: Linux 3.13.0-32-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True dmi.bios.date: 01/21/2014 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 3.0b dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: X9DRT-HF+ dmi.board.vendor: Supermicro dmi.board.version: 0123456789 dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 17 dmi.chassis.vendor: Supermicro dmi.chassis.version: 0123456789 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr3.0b:bd01/21/2014:svnSupermicro:pnX9DRT-HF+:pvr0123456789:rvnSupermicro:rnX9DRT-HF+:rvr0123456789:cvnSupermicro:ct17:cvr0123456789: dmi.product.name: X9DRT-HF+ dmi.product.version: 0123456789 dmi.sys.vendor: Supermicro To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1435363/+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
