Bug 806655

Summary: Intel 6230N cannot maintain AP association with kernel-3.3.0-4.fc16.x86_64
Product: [Fedora] Fedora Reporter: neochi808
Component: NetworkManagerAssignee: Dan Williams <dcbw>
Status: CLOSED WONTFIX QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: unspecified    
Version: 16CC: dcbw, gansalmon, itamar, jonathan, kernel-maint, linville, madhu.chinakonda, nhorman, sgruszka, wey-yi.w.guy
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2013-02-13 13:54:21 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Attachments:
Description Flags
dmesg kernel-3.3.0-4.fc16.x86_64
none
dmesg kernel-3.2.9-2.fc16.x86_64 none

Description neochi808 2012-03-25 19:10:09 UTC
Description of problem: Updated to kernel-3.3.0-4.fc16.x86_64
No longer maintain link with wireless access point.

Version-Release number of selected component (if applicable):
kernel-3.3.0-4.fc16.x86_64

How reproducible:
100%

Steps to Reproduce:
1. Boot kernel-3.3.0-4.fc16.x86_64
2. Login to GNOME desktop
3. Wireless network connection keeps cycling last AP
  
Actual results:
Cannot maintain association with AP

Expected results:
Works fine with kernel-3.2.9-2.fc16.x86_64

Additional info:
Using Intel 6230N wireless/bluetooth mini-pcie

Comment 1 John W. Linville 2012-03-26 17:15:22 UTC
It is difficult to know where to start -- the wireless code in those two kernels should be identical.

Please attach the output of running 'dmesg' after a few connection attempts.

Comment 2 neochi808 2012-03-27 04:18:27 UTC
Created attachment 572919 [details]
dmesg kernel-3.3.0-4.fc16.x86_64

Comment 3 neochi808 2012-03-27 04:19:51 UTC
Created attachment 572920 [details]
dmesg kernel-3.2.9-2.fc16.x86_64

attached for comparison

Comment 4 John W. Linville 2012-03-27 13:05:05 UTC
I think this has something to do with how NetworkManager handles IPv6 configuration failures.  I understand that the version in Rawhide might address this issue.

In the meantime, you should edit your wireless connection, and set IPV6 Settings to Ignore.  That should prevent the disconnection loop.

Comment 5 John W. Linville 2012-03-27 13:15:37 UTC
See bug 785772 and bug 806932 for more information.

Comment 6 neochi808 2012-03-29 16:16:55 UTC
(In reply to comment #4)
> I think this has something to do with how NetworkManager handles IPv6
> configuration failures.  I understand that the version in Rawhide might address
> this issue.
> 
> In the meantime, you should edit your wireless connection, and set IPV6
> Settings to Ignore.  That should prevent the disconnection loop.


IPV6 is already set to ignore, does not appear related to bug 806932.
It's the same version on NM running between kernel versions, yet booting into kernel-3.3.0-4.fc16.x86_64 doesn't maintain association with my AP.


Is the version in rawhide newer than the upcoming 17 Beta?

Comment 7 neochi808 2012-04-01 06:08:20 UTC
Boot kernel: append ipv6.disable=1
Issue not observed.

Appears IP6 related.

Comment 8 Fedora End Of Life 2013-01-16 13:12:12 UTC
This message is a reminder that Fedora 16 is nearing its end of life.
Approximately 4 (four) weeks from now Fedora will stop maintaining
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Comment 9 Fedora End Of Life 2013-02-13 13:54:25 UTC
Fedora 16 changed to end-of-life (EOL) status on 2013-02-12. Fedora 16 is 
no longer maintained, which means that it will not receive any further 
security or bug fix updates. As a result we are closing this bug.

If you can reproduce this bug against a currently maintained version of 
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