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[Bug 1554279] Re: Times advances twice as fast with refined-jiffies

 

Nicholas Westlake, thank you for reporting this and helping make Ubuntu
better.

As per http://www.dell.com/support/home/us/en/19/product-
support/product/poweredge-r720/drivers?os=naa an update to your
computer's buggy, insecure, and outdated BIOS is available (2.5.4). If
you update to this following
https://help.ubuntu.com/community/BIOSUpdate does it change anything?

For more on BIOS updates and linux, please see
https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette
.

Please note your current BIOS is already in the Bug Description, so
posting this on the old BIOS would not be helpful.

Also, you don't have to create a new bug report.

Once the BIOS is updated, if the problem is still reproducible:
1) Please provide the output of the following terminal command (not perform an apport-collect):
sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
2) Please make a comment specifically advising on if there was an improvement or not.
3) Please mark this report Status Confirmed.

If it's not reproducible, please mark this as Invalid.

Thank you for your understanding.

** Tags added: bios-outdated-2.5.4

** Changed in: linux (Ubuntu)
   Importance: Undecided => Low

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

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https://bugs.launchpad.net/bugs/1554279

Title:
  Times advances twice as fast with refined-jiffies

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  When the clocksource is set to "refined-jiffies" it ticks twice as
  fast. This is not an issue when it is changed to "tsc".

  The problem existed in earlier kernels too.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-76-generic 3.13.0-76.120
  ProcVersionSignature: Ubuntu 3.13.0-76.120-generic 3.13.11-ckt30
  Uname: Linux 3.13.0-76-generic x86_64
  NonfreeKernelModules: nvidia
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Feb 24 12:48 seq
   crw-rw---- 1 root audio 116, 33 Feb 24 12:48 timer
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
  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: 'iw'
  Date: Tue Mar  8 00:47:45 2016
  HibernationDevice: RESUME=UUID=96b67b5e-eb31-44ac-881d-56edc3d7910d
  InstallationDate: Installed on 2014-05-16 (661 days ago)
  InstallationMedia: Ubuntu-Server 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
  MachineType: Dell Inc. PowerEdge R720
  PciMultimedia:
   
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 EFI VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-76-generic.efi.signed root=UUID=9740a566-6efd-4b42-a82e-26e3cf6a76aa ro acpi=off nomdmonddf nomdmonisw
  PulseList:
   Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied
   No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-76-generic N/A
   linux-backports-modules-3.13.0-76-generic  N/A
   linux-firmware                             1.127.20
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/16/2014
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 2.2.2
  dmi.board.name: 0X3D66
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A01
  dmi.chassis.type: 23
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvr2.2.2:bd01/16/2014:svnDellInc.:pnPowerEdgeR720:pvr:rvnDellInc.:rn0X3D66:rvrA01:cvnDellInc.:ct23:cvr:
  dmi.product.name: PowerEdge R720
  dmi.sys.vendor: Dell Inc.

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References