Bug 425777 - Laptop hangs when wireless association lost
Laptop hangs when wireless association lost
Status: CLOSED ERRATA
Product: Fedora
Classification: Fedora
Component: kernel (Show other bugs)
8
x86_64 Linux
low Severity medium
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Assigned To: John W. Linville
Fedora Extras Quality Assurance
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Depends On:
Blocks:
  Show dependency treegraph
 
Reported: 2007-12-15 07:46 EST by Adam Huffman
Modified: 2008-01-08 18:42 EST (History)
2 users (show)

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Doc Type: Bug Fix
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Last Closed: 2008-01-08 18:42:43 EST
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Description Adam Huffman 2007-12-15 07:46:06 EST
Description of problem:
Over the past few weeks I have found that when association is lost to my home
wireless network (often caused by our answering machine interfering with the
router), the laptop is freezing and I have to do a hard reboot.

Version-Release number of selected component (if applicable):
kernel-2.6.23.8-63.fc8

How reproducible:
Every time

Steps to Reproduce:
1.
2.
3.
  
Actual results

Expected results:


Additional info:
Here's the laptop:

http://www.smolts.org/show?UUID=797a5df5-36c6-487e-81e2-11ac0c0011fb
Comment 1 John W. Linville 2007-12-17 10:50:14 EST
Can you capture the output of Alt-Sysrq-T?
Comment 2 Adam Huffman 2007-12-17 15:40:44 EST
I'll try, though it's usually in X when it happens and it doesn't react to the
keyboard at all.
Comment 3 John W. Linville 2007-12-19 09:21:44 EST
Someone has suggested that you might be using the ipw3945 driver rather than 
the iwl3945 driver ("ipw" vs "iwl").  I have no idea how they determined this 
from this bug report, but I thought I would ask...is that so?
Comment 4 Adam Huffman 2007-12-19 18:19:15 EST
It isn't, no.
Comment 5 John W. Linville 2008-01-04 17:30:10 EST
Could you add "options iwl3945 debug=0x43fff" to /etc/modprobe.conf, reboot, 
recreate the problem, then attach the contents of /var/log/messages to this 
bug?

Thanks!
Comment 6 Adam Huffman 2008-01-08 18:40:58 EST
I've added that setting but haven't seen the problem for a few weeks now, so I'm
closing the bug.  I'll re-open if it recurs.

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