CPU usage jumps to 100% upon launching eclipse

Nazish Hussain, thank you for reporting this and helping make Ubuntu better. This bug was reported a while ago and there hasn't been any activity in it recently. We were wondering if this is still an issue? Can you try with the latest development release of Ubuntu? ISO CD images are available from http://cdimage.ubuntu.com/releases/ .

If it remains an issue, could you run the following command from a Terminal (Applications->Accessories->Terminal). It will automatically gather and attach updated debug information to this report.

apport-collect -p linux <replace-with-bug-number>

Also, if you could test the latest upstream kernel available that would be great. It will allow additional upstream developers to examine the issue. Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Once you've tested the upstream kernel, please remove the 'needs-upstream-testing' tag. This can be done by clicking on the yellow pencil icon next to the tag located at the bottom of the bug description and deleting the 'needs-upstream-testing' text. Please let us know your results.

Thanks in advance.

Sure, I ll do that and let you know Christopher.

On Wednesday, April 4, 2012, Christopher M. Penalver wrote:

> Nazish Hussain, thank you for reporting this and helping make Ubuntu
> better. This bug was reported a while ago and there hasn't been any
> activity in it recently. We were wondering if this is still an issue?
> Can you try with the latest development release of Ubuntu? ISO CD images
> are available from http://cdimage.ubuntu.com/releases/ .
>
> If it remains an issue, could you run the following command from a
> Terminal (Applications->Accessories->Terminal). It will automatically
> gather and attach updated debug information to this report.
>
> apport-collect -p linux <replace-with-bug-number>
>
> Also, if you could test the latest upstream kernel available that would
> be great. It will allow additional upstream developers to examine the
> issue. Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Once
> you've tested the upstream kernel, please remove the 'needs-upstream-
> testing' tag. This can be done by clicking on the yellow pencil icon
> next to the tag located at the bottom of the bug description and
> deleting the 'needs-upstream-testing' text. Please let us know your
> results.
>
> Thanks in advance.
>
> ** Changed in: linux (Ubuntu)
> Status: Confirmed => Incomplete
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/601306
>
> Title:
> CPU usage jumps to 100% upon launching eclipse
>
> Status in “linux” package in Ubuntu:
> Incomplete
>
> Bug description:
> Today Ubuntu 10.04 64 bit, gave me an option to upgrade my packages
> and it included an update to the kernel too. I upgraded from kernel
> 2.6.32-22-generic to 2.6.32-23-generic. I installed all the other
> updates too.
>
> After the upgrade my system became terribly slow each time I started
> Eclispe 3.5 Galelio. The previous version of the kernel never
> displayed this behavior. Surprisingly, the CPU usage remained at 100%
> even after killing the "java" process using system monitor.
>
> I have attached the CPU usage screen shots when using kernel
> 2.6.32-22-generic and 2.6.32-23-generic, when running eclipse.
>
> I downloaded java from the SUN website, the following is the Java
> information:
> java version "1.6.0_18"
> Java(TM) SE Runtime Environment (build 1.6.0_18-b07)
> Java HotSpot(TM) 64-Bit Server VM (build 16.0-b13, mixed mode)
>
> This bug never occurred when using the previous version of the kernel,
> and happed only after I upgraded to the newer Kernel.
>
> Let me know if you need any other information from me.
>
> ProblemType: Bug
> DistroRelease: Ubuntu 10.04
> Package: linux-image-2.6.32-23-generic 2.6.32-23.37
> Regression: Yes
> Reproducible: Yes
> ProcVersionSignature: Ubuntu 2.6.32-23.37-generic 2.6.32.15+drm33.5
> Uname: Linux 2.6.32-23-generic x86_64
> AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
> Architecture: amd64
> AudioDevicesInUse:
> USER PID ACCESS COMMAND
> /dev/snd/controlC0: naz 1737 F.... pulseaudio
> CRDA: Error: [Errno 2] No such file or directory
> Card0.Amixer.info:
...

Team

I tested it and eclipse usage is normal. I think we can go ahead and close
this bug.

Thanks
Naz

On Wednesday, April 4, 2012, Joseph Salisbury wrote:

> ** Changed in: linux (Ubuntu)
> Importance: Undecided => Medium
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/601306
>
> Title:
> CPU usage jumps to 100% upon launching eclipse
>
> Status in “linux” package in Ubuntu:
> Incomplete
>
> Bug description:
> Today Ubuntu 10.04 64 bit, gave me an option to upgrade my packages
> and it included an update to the kernel too. I upgraded from kernel
> 2.6.32-22-generic to 2.6.32-23-generic. I installed all the other
> updates too.
>
> After the upgrade my system became terribly slow each time I started
> Eclispe 3.5 Galelio. The previous version of the kernel never
> displayed this behavior. Surprisingly, the CPU usage remained at 100%
> even after killing the "java" process using system monitor.
>
> I have attached the CPU usage screen shots when using kernel
> 2.6.32-22-generic and 2.6.32-23-generic, when running eclipse.
>
> I downloaded java from the SUN website, the following is the Java
> information:
> java version "1.6.0_18"
> Java(TM) SE Runtime Environment (build 1.6.0_18-b07)
> Java HotSpot(TM) 64-Bit Server VM (build 16.0-b13, mixed mode)
>
> This bug never occurred when using the previous version of the kernel,
> and happed only after I upgraded to the newer Kernel.
>
> Let me know if you need any other information from me.
>
> ProblemType: Bug
> DistroRelease: Ubuntu 10.04
> Package: linux-image-2.6.32-23-generic 2.6.32-23.37
> Regression: Yes
> Reproducible: Yes
> ProcVersionSignature: Ubuntu 2.6.32-23.37-generic 2.6.32.15+drm33.5
> Uname: Linux 2.6.32-23-generic x86_64
> AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
> Architecture: amd64
> AudioDevicesInUse:
> USER PID ACCESS COMMAND
> /dev/snd/controlC0: naz 1737 F.... pulseaudio
> CRDA: Error: [Errno 2] No such file or directory
> Card0.Amixer.info:
> Card hw:0 'Intel'/'HDA Intel at 0xfe9fc000 irq 21'
> Mixer name : 'SigmaTel STAC9228'
> Components : 'HDA:83847616,10280227,00100201
> HDA:14f12c06,14f1000f,00100000'
> Controls : 28
> Simple ctrls : 18
> Date: Sat Jul 3 13:34:35 2010
> HibernationDevice: RESUME=UUID=4699c735-a214-4fe6-bbf0-580de271f1e9
> InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64
> (20100429)
> MachineType: Dell Inc. Vostro 1400
> ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-23-generic
> root=UUID=e3b6afeb-cbc3-4514-887d-f737b82df57d ro quiet splash
> ProcEnviron:
> PATH=(custom, user)
> LANG=en_IN
> SHELL=/bin/bash
> RelatedPackageVersions: linux-firmware 1.34.1
> SourcePackage: linux
> dmi.bios.date: 07/10/2007
> dmi.bios.vendor: Dell Inc.
> dmi.bios.version: A01
> dmi.board.name: 0TT347
> dmi.board.vendor: Dell Inc.
> dmi.chassis.type: 8
> dmi.chassis.vendor: Dell Inc.
> dmi.modalias:
> dmi:bvnDellInc.:bvrA01:bd07/10/2007:svnDellInc.:pnVostro1400:pvr:rvnDellInc.:rn0TT347:rvr:cvnDellInc.:ct8:cvr:
> dmi.product.name: Vostro 1400
> dmi.sys.v...