Bug 445033

Summary: kernel bug at iwlwifi -> soft lockup
Product: [Fedora] Fedora Reporter: Juha Heljoranta <juha.heljoranta>
Component: kernelAssignee: John W. Linville <linville>
Status: CLOSED INSUFFICIENT_DATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: low    
Version: 8CC: kernel-maint
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
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Clone Of: Environment:
Last Closed: 2008-06-12 18:01:00 UTC Type: ---
Regression: --- Mount Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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traces from /var/log/messages none

Description Juha Heljoranta 2008-05-02 20:20:40 UTC
Description of problem:
Tried to activate wlan0:0 resulted system lockup. The command was ifup wlan0:0.
This hasn't happened before. Probably related to kernel 2.6.24.5 or otherwise
hard to reproduce.

Version-Release number of selected component (if applicable):
kernel-2.6.24.5-85.fc8

How reproducible:
Create alias with static ip in addition to dynamically configured wlan0 and
activate manually (ifup wlan0:0) after wlan0 is up.

Steps to Reproduce:
None successful so far. Tried few times.

  
Actual results:
System lockup.

Expected results:
Working alias for wlan0.

Additional info:
# lspci -s 04:00.0
04:00.0 Network controller: Intel Corporation PRO/Wireless 4965 AG or AGN
Network Connection (rev 61)
# lspci -nvs 04:00.0
04:00.0 0280: 8086:4229 (rev 61)
        Subsystem: 8086:1101
        Flags: bus master, fast devsel, latency 0, IRQ 2298
        Memory at f0300000 (64-bit, non-prefetchable) [size=8K]
        Capabilities: [c8] Power Management version 3
        Capabilities: [d0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0
Enable+
        Capabilities: [e0] Express Endpoint, MSI 00
        Kernel driver in use: iwl4965
        Kernel modules: iwl4965

Comment 1 Juha Heljoranta 2008-05-02 20:20:40 UTC
Created attachment 304408 [details]
traces from /var/log/messages

Comment 2 John W. Linville 2008-05-20 18:57:43 UTC
Has this worked in the past?  I imagine that this might confuse the mac80211 
component, not sure...

Comment 3 Juha Heljoranta 2008-05-20 19:42:41 UTC
It has worked in past and I haven't been able to reproduce it again. Currently
running on 2.6.24.7-92.fc8.