Ubuntu
linux package

hrtimer: interrupt too slow Lucid & Natty

Bug #499498 reported by starslights on 2009-12-22

This bug report is a duplicate of: Bug #503138: Lucid & Natty, KVM, After kernel message hrtimer: interrupt too slow.... the SMP kvm guest becomes slow.. Edit Remove

This bug affects 2 people

Affects		Status	Importance	Assigned to	Milestone
	linux (Ubuntu)	Triaged	Low	Unassigned

Bug Description

Hello,

I run kubuntu Lucid alpha1 on x86 64, i see that i have a warn about the hrtimer in the log kernel.

2009-12-22 16:17:30 starstest2lucid kernel [ 66.608864] hrtimer: interrupt too slow, forcing clock min delta to 172025241 ns

I have test the MainLine kernel version 2.6.32.1 lucid for my correspondent kernel version from actual

Actual kernel: Linux starstest2lucid 2.6.32-9-generic #13-Ubuntu SMP Thu Dec 17 17:01:59 UTC 2009 x86_64 GNU/Linux

The MAinLine don't fix this warn, so i am back on the original to can report it .

ProblemType: Bug
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: I82801AAICH [Intel 82801AA-ICH], device 0: Intel ICH [Intel 82801AA-ICH]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: stars 1289 F.... knotify4
                      stars 1306 F.... kmix
CRDA: Error: [Errno 2] Aucun fichier ou dossier de ce type
Card0.Amixer.info:
Card hw:0 'I82801AAICH'/'Intel 82801AA-ICH with STAC9700,83,84 at irq 21'
   Mixer name : 'SigmaTel STAC9700,83,84'
   Components : 'AC97a:83847600'
   Controls : 34
   Simple ctrls : 24
Date: Tue Dec 22 16:19:09 2009
DistroRelease: Ubuntu 10.04
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=db36e021-558e-4ee4-a21d-a251f7bd5c94
InstallationMedia: Kubuntu 10.04 "Lucid Lynx" - Alpha amd64 (20091220)
IwConfig:
lo no wireless extensions.

eth0 no wireless extensions.
Lsusb: Error: command ['lsusb'] failed with exit code 1:
MachineType: innotek GmbH VirtualBox
Package: linux-image-2.6.32-9-generic 2.6.32-9.13
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-9-generic root=UUID=a426acd5-af65-4afd-8077-15a0ddd3ae94 ro quiet splash
ProcEnviron:
LANGUAGE=fr_CH:fr
LANG=fr_CH.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-9.13-generic
Regression: Yes
RelatedPackageVersions: linux-firmware 1.28
Reproducible: Yes
RfKill:

SourcePackage: linux
Tags: lucid needs-upstream-testing regression-proposed
TestedUpstream: No
Uname: Linux 2.6.32-9-generic x86_64
dmi.bios.date: 12/01/2006
dmi.bios.vendor: innotek GmbH
dmi.bios.version: VirtualBox
dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:
dmi.product.name: VirtualBox
dmi.product.version: 1.2
dmi.sys.vendor: innotek GmbH

Tags:

Revision history for this message

starslights (starslights) wrote on 2009-12-22:

AlsaDevices.txt Edit (405 bytes, text/plain; charset="utf-8")
ArecordDevices.txt Edit (318 bytes, text/plain; charset="utf-8")
BootDmesg.txt Edit (21.8 KiB, text/plain; charset="utf-8")
Card0.Amixer.values.txt Edit (5.3 KiB, text/plain; charset="utf-8")
Card0.Codecs.codec97.0.ac97.0.0.txt Edit (687 bytes, text/plain; charset="utf-8")
Card0.Codecs.codec97.0.ac97.0.0.regs.txt Edit (767 bytes, text/plain; charset="utf-8")
CurrentDmesg.txt Edit (422 bytes, text/plain; charset="utf-8")
Dependencies.txt Edit (1.2 KiB, text/plain; charset="utf-8")
Lspci.txt Edit (3.7 KiB, text/plain; charset="utf-8")
PciMultimedia.txt Edit (559 bytes, text/plain; charset="utf-8")
ProcCpuinfo.txt Edit (1.2 KiB, text/plain; charset="utf-8")
ProcInterrupts.txt Edit (1.2 KiB, text/plain; charset="utf-8")
ProcModules.txt Edit (2.0 KiB, text/plain; charset="utf-8")
UdevDb.txt Edit (57.2 KiB, text/plain; charset="utf-8")
UdevLog.txt Edit (127.3 KiB, text/plain; charset="utf-8")
WifiSyslog.txt Edit (1.1 MiB, text/plain; charset="utf-8")

Andy Whitcroft (apw) on 2009-12-22

tags:	added: regression-potential removed: needs-upstream-testing regression-proposed
Changed in linux (Ubuntu):
status:	New → Triaged
importance:	Undecided → Low

Revision history for this message

starslights (starslights) wrote on 2009-12-23:

Hello,

i have installed the ubuntu version 64 bits with the daily-lives build from 22.12.09 evening, and i see the same bug.

So i think that it will easily reproducible

Ferdinand Hagethorn (ferdinand-hagethorn) on 2011-07-02

summary:

- hrtimer: interrupt too slow Lucid
+ hrtimer: interrupt too slow Lucid & Natty

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