Bug 529536

Summary: iwlagn takes 100% of my CPU( page allocation failure. order:2)
Product: [Fedora] Fedora Reporter: Matěj Cepl <mcepl>
Component: kernelAssignee: Stanislaw Gruszka <sgruszka>
Status: CLOSED NEXTRELEASE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: low    
Version: 12CC: dougsland, gansalmon, itamar, kernel-maint, mcepl, sgruszka
Target Milestone: ---Keywords: Triaged
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2010-07-22 10:21:13 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Attachments:
Description Flags
screenshot illustrating the issue
none
/var/log/messages
none
lsmod stdout
none
output of dmesg none

Description Matěj Cepl 2009-10-18 12:27:31 UTC
Created attachment 365154 [details]
screenshot illustrating the issue

Description of problem:
The attached is what I get from my top. Apparently iwlagn decided to take over my computer.

Version-Release number of selected component (if applicable):
2.6.31.4-84.fc12.x86_64

How reproducible:
happended twice

Steps to Reproduce:
1.just run notebook connected to the WiFi LAN
2.
3.
  
Actual results:
iwlagn takes over 100% CPU (fortunately I have dual-core)

Expected results:
wifi driver doesn't take any significant amount of CPU

Additional info:

Comment 1 Matěj Cepl 2009-10-18 12:28:25 UTC
Created attachment 365155 [details]
/var/log/messages

Comment 2 Matěj Cepl 2009-10-18 12:29:12 UTC
Created attachment 365156 [details]
lsmod stdout

Comment 3 Matěj Cepl 2009-10-18 12:29:59 UTC
Created attachment 365157 [details]
output of dmesg

Comment 4 Bug Zapper 2009-11-16 13:48:10 UTC
This bug appears to have been reported against 'rawhide' during the Fedora 12 development cycle.
Changing version to '12'.

More information and reason for this action is here:
http://fedoraproject.org/wiki/BugZappers/HouseKeeping

Comment 5 Stanislaw Gruszka 2010-03-11 15:22:23 UTC
Hi Matej

Are you able to reproduce? If so could you check if that kernel makes any difference:

http://koji.fedoraproject.org/koji/taskinfo?taskID=2045788

Comment 6 Stanislaw Gruszka 2010-07-22 10:21:13 UTC
Bug should be fixed in F-13.