Hi ! Indeed this fixes the issue: -- # cat /proc/sys/kernel/nmi_watchdog 0 -- Thank you ! Andrey Gelman
On Wed, Jan 10, 2018 at 11:15 PM, Joseph Salisbury < joseph.salisb...@canonical.com> wrote: > This may be a duplicate of bug 1741934, which was fixed by the 4.4.0-109 > kernel. Can you upgrade to 4.4.0-109 and see if this bug still exists? > > ** Changed in: linux (Ubuntu) > Importance: Undecided => Medium > > ** Changed in: linux (Ubuntu) > Status: Confirmed => Incomplete > > ** Tags added: pti > > ** Changed in: linux (Ubuntu) > Assignee: (unassigned) => Joseph Salisbury (jsalisbury) > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1742418 > > Title: > Stuck attempting to acess "/proc/sys/kernel/nmi_watchdog" file > > Status in linux package in Ubuntu: > Incomplete > > Bug description: > I has always been able to both read and write > "/proc/sys/kernel/nmi_watchdog" > file. > After the recent kernel update (4.4.0-108-generic, updated on > 10-Jan-2018) the computer merely gets stuck on these commands. Ctrl-C > cannot interrupt. > > ProblemType: Bug > DistroRelease: Ubuntu 16.04 > Package: linux-image-4.4.0-108-generic 4.4.0-108.131 > ProcVersionSignature: Ubuntu 4.4.0-108.131-generic 4.4.98 > Uname: Linux 4.4.0-108-generic x86_64 > AlsaVersion: Advanced Linux Sound Architecture Driver Version > k4.4.0-108-generic. > AplayDevices: Error: [Errno 2] No such file or directory: 'aplay' > ApportVersion: 2.20.1-0ubuntu2.15 > Architecture: amd64 > ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord' > AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', > '/dev/snd/hwC0D2', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D7p', > '/dev/snd/pcmC0D3p', '/dev/snd/pcmC0D2c', '/dev/snd/pcmC0D1p', > '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/controlC0', > '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: > Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer' > Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer' > Date: Wed Jan 10 12:30:37 2018 > HibernationDevice: RESUME=UUID=a0f49bd7-5ec0-414e-8183-41221652c849 > InstallationDate: Installed on 2016-08-17 (510 days ago) > InstallationMedia: Ubuntu-Server 16.04.1 LTS "Xenial Xerus" - Release > amd64 (20160719) > IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig' > Lsusb: > Bus 001 Device 003: ID 04b4:6570 Cypress Semiconductor Corp. > Bus 001 Device 002: ID 8087:07e6 Intel Corp. > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > MachineType: CompuLab Ltd. SBC-iBT > ProcFB: 0 inteldrmfb > ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-108-generic.efi.signed > root=UUID=1ee7c5d5-a843-43d4-a90d-0c484d09d041 ro > RelatedPackageVersions: > linux-restricted-modules-4.4.0-108-generic N/A > linux-backports-modules-4.4.0-108-generic N/A > linux-firmware 1.157.14 > RfKill: Error: [Errno 2] No such file or directory: 'rfkill' > SourcePackage: linux > UpgradeStatus: No upgrade log present (probably fresh install) > dmi.bios.date: 02/24/2015 > dmi.bios.vendor: CompuLab Ltd. > dmi.bios.version: SBC-iBT_3.1.0.314 X64 > dmi.board.asset.tag: None > dmi.board.name: SBC-iBT > dmi.board.vendor: CompuLab Ltd. > dmi.board.version: 1.x > dmi.chassis.asset.tag: Asset Tag > dmi.chassis.type: 11 > dmi.chassis.vendor: CompuLab Ltd. > dmi.chassis.version: 1.0 > dmi.modalias: dmi:bvnCompuLabLtd.:bvrSBC-iBT_3.1.0.314X64:bd02/24/2015: > svnCompuLabLtd.:pnSBC-iBT:pvr1.x:rvnCompuLabLtd.:rnSBC- > iBT:rvr1.x:cvnCompuLabLtd.:ct11:cvr1.0: > dmi.product.name: SBC-iBT > dmi.product.version: 1.x > dmi.sys.vendor: CompuLab Ltd. > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/ > 1742418/+subscriptions > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1742418 Title: Stuck attempting to acess "/proc/sys/kernel/nmi_watchdog" file To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1742418/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
