Bug 1206468

Summary: journal fills up with "Limiting TX power" messages
Product: [Fedora] Fedora Reporter: teppot <teppot>
Component: kernelAssignee: John W. Linville <linville>
Status: CLOSED UPSTREAM QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: low Docs Contact:
Priority: unspecified    
Version: 22CC: gansalmon, itamar, johannes, jonathan, kernel-maint, madhu.chinakonda, mchehab
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
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Fixed In Version: Doc Type: Bug Fix
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Clone Of: Environment:
Last Closed: 2015-04-21 19:31:09 UTC Type: Bug
Regression: --- Mount Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description Flags
0001-mac80211-reduce-log-spam-from-ieee80211_handle_pwr_c.patch none

Description teppot 2015-03-27 08:20:06 UTC 
The systemd journal fills up with messages like this:

maalis 27 10:07:54 computer kernel: wlp2s0: Limiting TX power to 20 (20 - 0) dBm as advertised by xx:xx:xx:xx:xx:xx

These messages appear every few seconds. The advertising device is an Android phone.
Comment 1 John W. Linville 2015-03-27 13:58:31 UTC 
Johannes, do we need these message to be pr_info?  Could they be pr_debug instead?
Comment 2 Johannes Berg 2015-03-31 14:20:11 UTC 
yeah I guess these aren't all that interesting ... want to post a patch? :)
Comment 3 John W. Linville 2015-03-31 14:47:11 UTC 
No problem...
Comment 4 John W. Linville 2015-03-31 14:48:12 UTC 
Created attachment 1009097 [details]
0001-mac80211-reduce-log-spam-from-ieee80211_handle_pwr_c.patch
Comment 5 John W. Linville 2015-03-31 18:17:07 UTC 
http://marc.info/?l=linux-wireless&m=142781402222281&w=2
Comment 6 John W. Linville 2015-04-21 19:31:09 UTC 
Queued for upstream kernel version 4.1...

commit cef2fc1ce4326f7f24c3cf938b94a661fbe773e3
Author: John Linville <linville>
Date:   Tue Mar 31 10:49:14 2015 -0400

    mac80211: reduce log spam from ieee80211_handle_pwr_constr
    
    This changes a couple of messages from sdata_info to sdata_dbg.
    This should reduce some log spam, as reported here:
    
        https://bugzilla.redhat.com/show_bug.cgi?id=1206468
    
    Signed-off-by: John W. Linville <linville>
    Signed-off-by: Johannes Berg <johannes.berg>