[Bug 567660] [NEW] Suspend and Hibernate cause ksoftirqd to use 100% of a cpu core on resume

[Cam Cope]

Public bug reported:

After I resume from suspend or hibernate, I get lots of interrupts, and
the computer runs slow and hot. I would guess the bug is in iwlagn, but
I can't tell.

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: linux-image-2.6.32-21-generic-pae 2.6.32-21.32
Regression: Yes
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.32-21.32-generic-pae 2.6.32.11+drm33.2
Uname: Linux 2.6.32-21-generic-pae i686
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: i386
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  cam        1505 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xf3500000 irq 22'
   Mixer name	: 'Realtek ALC662 rev1'
   Components	: 'HDA:10ec0662,15580481,00100101 HDA:10573055,00305557,00100900'
   Controls      : 30
   Simple ctrls  : 18
Date: Tue Apr 20 22:09:48 2010
HibernationDevice: RESUME=UUID=182062cf-d5a7-42fa-aefe-2bc5807427e8
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta i386 (20100318)
MachineType: CLEVO CO. M570TU
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-21-generic-pae root=UUID=257d413e-76af-4d9b-a406-0af0a1ece0c6 ro quiet splash
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
RelatedPackageVersions: linux-firmware 1.34
RfKill:
 0: phy0: Wireless LAN
 	Soft blocked: no
 	Hard blocked: no
SourcePackage: linux
dmi.bios.date: 03/31/2009
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: 1.00.16
dmi.board.asset.tag: Tag 12345
dmi.board.name: M570TU
dmi.board.vendor: CLEVO CO.
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: No Enclosure
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvr1.00.16:bd03/31/2009:svnCLEVOCO.:pnM570TU:pvrNotApplicable:rvnCLEVOCO.:rnM570TU:rvrNotApplicable:cvnNoEnclosure:ct9:cvrN/A:
dmi.product.name: M570TU
dmi.product.version: Not Applicable
dmi.sys.vendor: CLEVO CO.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 lucid needs-upstream-testing regression-release resume suspend

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Suspend and Hibernate cause ksoftirqd to use 100% of a cpu core on resume
https://bugs.launchpad.net/bugs/567660
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