[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Christian Kujau]

*** This bug is a duplicate of bug 578431 ***
https://bugs.launchpad.net/bugs/578431

** This bug has been marked a duplicate of bug 578431
   wpa_supplicant spams syslog

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Re: [Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[NoOp]

On 10/30/17 11:23 AM, Christian Kujau wrote:
> Launchpad really needs something similar to RESOLVED/DUPLICATE, as I had
> to crawl through the whole report to find out that this is considered a
> duplicate of 578431.
> 

Righthand column: "Mark as duplicate"
You can click and report this bug as a duplicate of 578431.

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  wpa_supplicant writes to syslog every 2 minutes

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[NoOp]

However, please read comments #27 - #32 first before you do.

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Christian Kujau]

Launchpad really needs something similar to RESOLVED/DUPLICATE, as I had
to crawl through the whole report to find out that this is considered a
duplicate of 578431.

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  wpa_supplicant writes to syslog every 2 minutes

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Andrew Shadura]

** Changed in: wpa (Ubuntu)
   Status: Confirmed => Invalid

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Re: [Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[WinEunuchs2Unix]

It's really a design flaw. Instead of saying every two minutes "Hey I
couldn't find a new AP". It should only say "I found AP number 99 and
connected to it" if and when it does.

On Wed, Apr 13, 2016 at 3:47 PM, rustyhamsterr 
wrote:

> I'm also affected, as my house has multiple AP's #24 is not working for me.
> My wifi card :
> System information:
> Network controller: Intel Corporation Centrino Advanced-N 6205 [Taylor
> Peak] (rev 34)
> Linux rustysTP 3.16.0-38-generic #52~14.04.1-Ubuntu SMP Fri May 8 09:43:57
> UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1323089
>
> Title:
>   wpa_supplicant writes to syslog every 2 minutes
>
> Status in wpa package in Ubuntu:
>   Confirmed
>
> Bug description:
>   Ubuntu 14.04 LTS
>   wpasupplicant 2.1-0ubuntu1
>
>   wpa_supplicant is writing to syslog every couple of minutes. Example
>   output:
>
>   May 25 19:57:18 ubuntu wpa_supplicant[1161]: wlan0:
> CTRL-EVENT-SCAN-STARTED
>   May 25 19:57:23 ubuntu wpa_supplicant[1161]: nl80211:
> send_and_recv->nl_recvmsgs failed: -33
>   May 25 19:59:18 ubuntu wpa_supplicant[1161]: wlan0:
> CTRL-EVENT-SCAN-STARTED
>   May 25 19:59:23 ubuntu wpa_supplicant[1161]: nl80211:
> send_and_recv->nl_recvmsgs failed: -33
>   May 25 20:00:58 ubuntu wpa_supplicant[1161]: wlan0:
> CTRL-EVENT-SCAN-STARTED
>   May 25 20:01:18 ubuntu wpa_supplicant[1161]: wlan0:
> CTRL-EVENT-SCAN-STARTED
>   May 25 20:01:24 ubuntu wpa_supplicant[1161]: nl80211:
> send_and_recv->nl_recvmsgs failed: -33
>   May 25 20:03:18 ubuntu wpa_supplicant[1161]: wlan0:
> CTRL-EVENT-SCAN-STARTED
>   May 25 20:03:23 ubuntu wpa_supplicant[1161]: nl80211:
> send_and_recv->nl_recvmsgs failed: -33
>   May 25 20:05:18 ubuntu wpa_supplicant[1161]: wlan0:
> CTRL-EVENT-SCAN-STARTED
>   May 25 20:05:23 ubuntu wpa_supplicant[1161]: nl80211:
> send_and_recv->nl_recvmsgs failed: -33
>   May 25 20:05:58 ubuntu wpa_supplicant[1161]: wlan0:
> CTRL-EVENT-SCAN-STARTED
>   May 25 20:07:18 ubuntu wpa_supplicant[1161]: wlan0:
> CTRL-EVENT-SCAN-STARTED
>   May 25 20:07:23 ubuntu wpa_supplicant[1161]: nl80211:
> send_and_recv->nl_recvmsgs failed: -33
>   May 25 20:09:18 ubuntu wpa_supplicant[1161]: wlan0:
> CTRL-EVENT-SCAN-STARTED
>   May 25 20:09:23 ubuntu wpa_supplicant[1161]: nl80211:
> send_and_recv->nl_recvmsgs failed: -33
>   May 25 20:10:58 ubuntu wpa_supplicant[1161]: wlan0:
> CTRL-EVENT-SCAN-STARTED
>   May 25 20:13:18 ubuntu wpa_supplicant[1161]: message repeated 2 times: [
> wlan0: CTRL-EVENT-SCAN-STARTED ]
>   May 25 20:13:23 ubuntu wpa_supplicant[1161]: nl80211:
> send_and_recv->nl_recvmsgs failed: -33
>
>   The message seems harmless as far as the network is concerned, meaning
>   there is no problem with the wifi connection. But it's spamming the
>   syslog, making it very difficult to find any other thing there, and
>   it's generating constant writes to disk, and an unnecessarily large
>   syslog file.
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/wpa/+bug/1323089/+subscriptions
>

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  wpa_supplicant writes to syslog every 2 minutes

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[rustyhamsterr]

I'm also affected, as my house has multiple AP's #24 is not working for me.
My wifi card :
System information:
Network controller: Intel Corporation Centrino Advanced-N 6205 [Taylor Peak] 
(rev 34)
Linux rustysTP 3.16.0-38-generic #52~14.04.1-Ubuntu SMP Fri May 8 09:43:57 UTC 
2015 x86_64 x86_64 x86_64 GNU/Linux

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  wpa_supplicant writes to syslog every 2 minutes

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[digglife]

also affected here.

Network controller: Intel Corporation Centrino Advanced-N 6205 [Taylor
Peak] (rev 34)

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[digglife]

#24 works. This is not a bug I guess...

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  wpa_supplicant writes to syslog every 2 minutes

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[grygory]

uname -a
Linux Home 3.16.0-30-generic #40~14.04.1-Ubuntu SMP Thu Jan 15 17:43:14 UTC 
2015 x86_64 x86_64 x86_64 GNU/Linux

Jun 20 19:59:01 Home wpa_supplicant[]: wlan0: CTRL-EVENT-SCAN-STARTED 
Jun 20 19:59:03 Home wpa_supplicant[]: nl80211: send_and_recv-nl_recvmsgs 
failed: -33
Jun 20 20:01:01 Home wpa_supplicant[]: wlan0: CTRL-EVENT-SCAN-STARTED 
Jun 20 20:01:03 Home wpa_supplicant[]: nl80211: send_and_recv-nl_recvmsgs 
failed: -33
Jun 20 20:03:01 Home wpa_supplicant[]: wlan0: CTRL-EVENT-SCAN-STARTED 
Jun 20 20:03:03 Home wpa_supplicant[]: nl80211: send_and_recv-nl_recvmsgs 
failed: -33
Jun 20 20:05:01 Home wpa_supplicant[]: wlan0: CTRL-EVENT-SCAN-STARTED 
Jun 20 20:05:03 Home wpa_supplicant[]: nl80211: send_and_recv-nl_recvmsgs 
failed: -33
Jun 20 20:06:56 Home wpa_supplicant[]: wlan0: WPA: Group rekeying completed 
with 10:fe:ed:7a:f3:ac [GTK=CCMP]
Jun 20 20:07:01 Home wpa_supplicant[]: wlan0: CTRL-EVENT-SCAN-STARTED 
Jun 20 20:07:03 Home wpa_supplicant[]: nl80211: send_and_recv-nl_recvmsgs 
failed: -33

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Re: [Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[WinEunuchs2Unix]

I'm not Anne and I don't fully remember this bug. I believe it was about
Linux looking for new WiFi routers to connect to every 2 minutes and
issuing a message when one was not found. This given there should be an
option within Ubuntu Network Manager (or whomever) to not message every 2
minutes when a new WiFi connection is not found.

On Sat, Apr 18, 2015 at 10:21 AM, Neal McBurnett n...@bcn.boulder.co.us
wrote:

 Thank you Anne for describing what looks like one way to fix this for
 all connections, rather than the easy fix in #24 which only addresses
 one SSID.

 But I worry that making wpa_supplicant more quiet will hide messages
 that are important - what else would be suppressed?

 So I suspect that the bug should be fixed somewhere else, since it seems
 clear to me that default installs with popular wifi cards should not
 spam syslog, and this does seem to be related to only some forms of
 Intel wifi cards - mostly Centrino I guess.

 So what is printing this out, which developer explained the workaround
 (sometime after 2009?), and how do we clean up our syslogs?

 --
 You received this bug notification because you are subscribed to the bug
 report.
 https://bugs.launchpad.net/bugs/1323089

 Title:
   wpa_supplicant writes to syslog every 2 minutes

 Status in wpa package in Ubuntu:
   Confirmed

 Bug description:
   Ubuntu 14.04 LTS
   wpasupplicant 2.1-0ubuntu1

   wpa_supplicant is writing to syslog every couple of minutes. Example
   output:

   May 25 19:57:18 ubuntu wpa_supplicant[1161]: wlan0:
 CTRL-EVENT-SCAN-STARTED
   May 25 19:57:23 ubuntu wpa_supplicant[1161]: nl80211:
 send_and_recv-nl_recvmsgs failed: -33
   May 25 19:59:18 ubuntu wpa_supplicant[1161]: wlan0:
 CTRL-EVENT-SCAN-STARTED
   May 25 19:59:23 ubuntu wpa_supplicant[1161]: nl80211:
 send_and_recv-nl_recvmsgs failed: -33
   May 25 20:00:58 ubuntu wpa_supplicant[1161]: wlan0:
 CTRL-EVENT-SCAN-STARTED
   May 25 20:01:18 ubuntu wpa_supplicant[1161]: wlan0:
 CTRL-EVENT-SCAN-STARTED
   May 25 20:01:24 ubuntu wpa_supplicant[1161]: nl80211:
 send_and_recv-nl_recvmsgs failed: -33
   May 25 20:03:18 ubuntu wpa_supplicant[1161]: wlan0:
 CTRL-EVENT-SCAN-STARTED
   May 25 20:03:23 ubuntu wpa_supplicant[1161]: nl80211:
 send_and_recv-nl_recvmsgs failed: -33
   May 25 20:05:18 ubuntu wpa_supplicant[1161]: wlan0:
 CTRL-EVENT-SCAN-STARTED
   May 25 20:05:23 ubuntu wpa_supplicant[1161]: nl80211:
 send_and_recv-nl_recvmsgs failed: -33
   May 25 20:05:58 ubuntu wpa_supplicant[1161]: wlan0:
 CTRL-EVENT-SCAN-STARTED
   May 25 20:07:18 ubuntu wpa_supplicant[1161]: wlan0:
 CTRL-EVENT-SCAN-STARTED
   May 25 20:07:23 ubuntu wpa_supplicant[1161]: nl80211:
 send_and_recv-nl_recvmsgs failed: -33
   May 25 20:09:18 ubuntu wpa_supplicant[1161]: wlan0:
 CTRL-EVENT-SCAN-STARTED
   May 25 20:09:23 ubuntu wpa_supplicant[1161]: nl80211:
 send_and_recv-nl_recvmsgs failed: -33
   May 25 20:10:58 ubuntu wpa_supplicant[1161]: wlan0:
 CTRL-EVENT-SCAN-STARTED
   May 25 20:13:18 ubuntu wpa_supplicant[1161]: message repeated 2 times: [
 wlan0: CTRL-EVENT-SCAN-STARTED ]
   May 25 20:13:23 ubuntu wpa_supplicant[1161]: nl80211:
 send_and_recv-nl_recvmsgs failed: -33

   The message seems harmless as far as the network is concerned, meaning
   there is no problem with the wifi connection. But it's spamming the
   syslog, making it very difficult to find any other thing there, and
   it's generating constant writes to disk, and an unnecessarily large
   syslog file.

 To manage notifications about this bug go to:
 https://bugs.launchpad.net/ubuntu/+source/wpa/+bug/1323089/+subscriptions


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Title:
  wpa_supplicant writes to syslog every 2 minutes

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Re: [Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[WinEunuchs2Unix]

Indeed under this free roaming philosophy even if another WiFi node is
found it should not be connected to unless the signal strength is hire.
Then and only then when connected a message should be sent.

Sending a message on success is infinitely preferable to a message of
failure to a connection you probably weren't looking for in the first place.

On Mon, Apr 20, 2015 at 8:56 PM, Rick Lee ricklee...@gmail.com wrote:

 I'm not Anne and I don't fully remember this bug. I believe it was about
 Linux looking for new WiFi routers to connect to every 2 minutes and
 issuing a message when one was not found. This given there should be an
 option within Ubuntu Network Manager (or whomever) to not message every 2
 minutes when a new WiFi connection is not found.

 On Sat, Apr 18, 2015 at 10:21 AM, Neal McBurnett n...@bcn.boulder.co.us
 wrote:

 Thank you Anne for describing what looks like one way to fix this for
 all connections, rather than the easy fix in #24 which only addresses
 one SSID.

 But I worry that making wpa_supplicant more quiet will hide messages
 that are important - what else would be suppressed?

 So I suspect that the bug should be fixed somewhere else, since it seems
 clear to me that default installs with popular wifi cards should not
 spam syslog, and this does seem to be related to only some forms of
 Intel wifi cards - mostly Centrino I guess.

 So what is printing this out, which developer explained the workaround
 (sometime after 2009?), and how do we clean up our syslogs?

 --
 You received this bug notification because you are subscribed to the bug
 report.
 https://bugs.launchpad.net/bugs/1323089

 Title:
   wpa_supplicant writes to syslog every 2 minutes

 Status in wpa package in Ubuntu:
   Confirmed

 Bug description:
   Ubuntu 14.04 LTS
   wpasupplicant 2.1-0ubuntu1

   wpa_supplicant is writing to syslog every couple of minutes. Example
   output:

   May 25 19:57:18 ubuntu wpa_supplicant[1161]: wlan0:
 CTRL-EVENT-SCAN-STARTED
   May 25 19:57:23 ubuntu wpa_supplicant[1161]: nl80211:
 send_and_recv-nl_recvmsgs failed: -33
   May 25 19:59:18 ubuntu wpa_supplicant[1161]: wlan0:
 CTRL-EVENT-SCAN-STARTED
   May 25 19:59:23 ubuntu wpa_supplicant[1161]: nl80211:
 send_and_recv-nl_recvmsgs failed: -33
   May 25 20:00:58 ubuntu wpa_supplicant[1161]: wlan0:
 CTRL-EVENT-SCAN-STARTED
   May 25 20:01:18 ubuntu wpa_supplicant[1161]: wlan0:
 CTRL-EVENT-SCAN-STARTED
   May 25 20:01:24 ubuntu wpa_supplicant[1161]: nl80211:
 send_and_recv-nl_recvmsgs failed: -33
   May 25 20:03:18 ubuntu wpa_supplicant[1161]: wlan0:
 CTRL-EVENT-SCAN-STARTED
   May 25 20:03:23 ubuntu wpa_supplicant[1161]: nl80211:
 send_and_recv-nl_recvmsgs failed: -33
   May 25 20:05:18 ubuntu wpa_supplicant[1161]: wlan0:
 CTRL-EVENT-SCAN-STARTED
   May 25 20:05:23 ubuntu wpa_supplicant[1161]: nl80211:
 send_and_recv-nl_recvmsgs failed: -33
   May 25 20:05:58 ubuntu wpa_supplicant[1161]: wlan0:
 CTRL-EVENT-SCAN-STARTED
   May 25 20:07:18 ubuntu wpa_supplicant[1161]: wlan0:
 CTRL-EVENT-SCAN-STARTED
   May 25 20:07:23 ubuntu wpa_supplicant[1161]: nl80211:
 send_and_recv-nl_recvmsgs failed: -33
   May 25 20:09:18 ubuntu wpa_supplicant[1161]: wlan0:
 CTRL-EVENT-SCAN-STARTED
   May 25 20:09:23 ubuntu wpa_supplicant[1161]: nl80211:
 send_and_recv-nl_recvmsgs failed: -33
   May 25 20:10:58 ubuntu wpa_supplicant[1161]: wlan0:
 CTRL-EVENT-SCAN-STARTED
   May 25 20:13:18 ubuntu wpa_supplicant[1161]: message repeated 2 times:
 [ wlan0: CTRL-EVENT-SCAN-STARTED ]
   May 25 20:13:23 ubuntu wpa_supplicant[1161]: nl80211:
 send_and_recv-nl_recvmsgs failed: -33

   The message seems harmless as far as the network is concerned, meaning
   there is no problem with the wifi connection. But it's spamming the
   syslog, making it very difficult to find any other thing there, and
   it's generating constant writes to disk, and an unnecessarily large
   syslog file.

 To manage notifications about this bug go to:
 https://bugs.launchpad.net/ubuntu/+source/wpa/+bug/1323089/+subscriptions




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  wpa_supplicant writes to syslog every 2 minutes

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Neal McBurnett]

Thank you Anne for describing what looks like one way to fix this for
all connections, rather than the easy fix in #24 which only addresses
one SSID.

But I worry that making wpa_supplicant more quiet will hide messages
that are important - what else would be suppressed?

So I suspect that the bug should be fixed somewhere else, since it seems
clear to me that default installs with popular wifi cards should not
spam syslog, and this does seem to be related to only some forms of
Intel wifi cards - mostly Centrino I guess.

So what is printing this out, which developer explained the workaround
(sometime after 2009?), and how do we clean up our syslogs?

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Title:
  wpa_supplicant writes to syslog every 2 minutes

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Anne van Rossum]

Apparently wpa_supplicant is run with a verbosity level above your
liking:

ps aux | grep wpa
root  1389  0.0  0.0  30704  5400 ?Ss   20:51   0:00 
/sbin/wpa_supplicant -B -P /run/sendsigs.omit.d/wpasupplicant.pid -u -s -O 
/var/run/wpa_supplicant

You can adjust this:

cat /usr/share/dbus-1/system-services/fi.w1.wpa_supplicant1.service
[D-BUS Service]
Name=fi.w1.wpa_supplicant1
Exec=/sbin/wpa_supplicant -B -P /run/sendsigs.omit.d/wpasupplicant.pid -u -s 
-qq -O /var/run/wpa_supplicant
User=root
SystemdService=wpa_supplicant.service

The wpa_supplicant utility accepts a -q or -qq flag, which will make it
less verbose. See man wpa_supplicant.

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Christian Kujau]

Same here, every 2 minutes with wpa_supplicant v2.3:

$ sudo grep wpa_supplicant /var/log/messages | grep -v WPA | tail -3
Nov 14 11:24:32 acorn wpa_supplicant[942]: nl80211: send_and_recv-nl_recvmsgs 
failed: -33
Nov 14 11:26:32 acorn wpa_supplicant[942]: nl80211: send_and_recv-nl_recvmsgs 
failed: -33
Nov 14 11:28:32 acorn wpa_supplicant[942]: nl80211: send_and_recv-nl_recvmsgs 
failed: -33

No connectivity issues though, rekeying happens just fine every 10min:

$ sudo grep wpa_supplicant /var/log/messages | grep WPA | tail -3
Nov 14 11:07:28 acorn wpa_supplicant[942]: wlan0: WPA: Group rekeying completed 
with  [GTK=CCMP]
Nov 14 11:17:28 acorn wpa_supplicant[942]: wlan0: WPA: Group rekeying completed 
with  [GTK=CCMP]
Nov 14 11:27:28 acorn wpa_supplicant[942]: wlan0: WPA: Group rekeying completed 
with  [GTK=CCMP]

Wifi chip:
04:00.0 Network controller: Intel Corporation Centrino Wireless-N 2230 (rev c4)

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Dan]

@Olivier  @Anders:
I have a dual-band wireless router with where the 5ghz and 2.5ghz radios have 
both different SSID and diferent BSSID.

So the constant scans are not triggered by multiple APs with the same
SSID in every case.

Pinning the BSSID stopped the scans, so many thanks to ricklee518.

I remember seeing that scans are initiated by NetworkManager, and the
2min interval is hardcoded with no option for adjustment.  I do not know
or remember the conditions which trigger the scans, but I didn't go
looking again.  If it is in fact looking for alternate BSSIDs, and none
are found, I suggest a logarithmic scan interval backoff.

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Anders Hall]

Connectivity issues reported:
https://bugs.launchpad.net/ubuntu/+source/wpa/+bug/1323089/comments/17

Read the full thread with information before making claims. An I wrote
and perhaps connectivity issues as well (which is not unlikely). Nuff
said.

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Olivier Bilodeau]

I have connectivity issues with this problem. The only reason I noticed
the connectivity issue is because my work VPN disconnects. Otherwise I
wouldn't have noticed. So I guess that this is a loss of only a few
packets which TCP will definitely recover for most applications.

Pinning the BSSID (not just the SSID) through NetworkManager GUI did fix
it for me. I run a 2.4ghz and a 5ghz network with the same SSID. I'm
pretty sure this is what triggers the issue. Since other OSes are fine
with it (including android) this is a bug in either wpa_supplicant or
NetworkManager.

Since I'm unsure whether people just don't notice the connectivity issue
(because TCP recovers so well and UDP is all about being unreliable) I'm
with Anders on this one and reluctant to file a new issue.

I don't have the time and energy to dig into the source and all but I'm
willing to run diagnostics, describe more my setup and try fixes if
people are interested in nailing this one.

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[NoOp]

Both 57843 and this bug are filed for wpa_supplicant spamming the syslog. 
Please read the Bug Descriptions - neither bug report is filed for connectivity 
issues. Key words: Bug Description  filed.

quote
wpa_supplicant writes to syslog every 2 minutes

Bug Description

Ubuntu 14.04 LTS
wpasupplicant 2.1-0ubuntu1

wpa_supplicant is writing to syslog every couple of minutes. Example output:
snip

The message seems harmless as far as the network is concerned, meaning there is 
no problem with the wifi connection. But it's spamming the syslog, making it 
very difficult to find any other thing there, and it's generating constant 
writes to disk, and an unnecessarily large syslog file.
/quote

I made no 'claims', I simply recommended that you file a separate bug report 
for connectivity issues:
 For connectivity issues I recommend following 
https://help.ubuntu.com/community/WirelessTroubleshootingProcedure and filing 
a separate bug report.  My suggestion is to file another bug report regarding 
loss of connectivity using:
https://wiki.ubuntu.com/Kernel/LinuxWireless?action=showredirect=KernelTeam%2FLinuxWireless
https://help.ubuntu.com/community/WirelessTroubleshootingProcedure
to provide details for the developer(s). if you firmly believe that 
wpa_supplicant writes to syslog every 2 minutes is the cause of your loss of 
connectivity, then I'd also suggest that you add detailed information that will 
assist the developer(s) in resolving the issue. Nuff said.

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Anders Hall]

@Olivier doesn't android use wpa_supplicant too? Personally I have
connectivity issues on my older android devices at home. This is the
same environment where I know I get these spam-messages in the syslog.
Secondly, I also have a dual wireless setup which comes with many modern
routers, as you describe. I can do some testing on android to see if it
is related to the solution in this thread. Would clear some things up.

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[NoOp]

Both 57843 and this bug are filed for wpa_supplicant spamming the
syslog. Please read the Bug Descriptions - neither bug report is filed
for connectivity issues. For connectivity issues I recommend following
https://help.ubuntu.com/community/WirelessTroubleshootingProcedure and
filing a separate bug.

The suggestion from Ricklee in Comment #24 works for me (I access 5 AP's
on a regular basis,  setting the BSSID for each resolved the issue).

  *-network
   description: Wireless interface
   product: Centrino Wireless-N 1000 [Condor Peak]
   vendor: Intel Corporation
   physical id: 0
   bus info: pci@:02:00.0
   logical name: wlan0
   version: 00
   serial: 00:1e:64:81:51:c6
   width: 64 bits
   clock: 33MHz
   capabilities: pm msi pciexpress bus_master cap_list ethernet physical 
wireless
   configuration: broadcast=yes driver=iwlwifi 
driverversion=3.13.0-36-generic firmware=39.31.5.1 build 35138 ip=snip 
latency=0 link=yes multicast=yes wireless=IEEE 802.11bgn

I did not have connectivity issues - only wpa_supplicant syslog spam.

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Jon Fawbert]

I disagree with the duplicate link to 578431.

That bug is just about wifi components spamming to Syslog.

This bug covers a situation where people's WiFi connections are being
repeatedly dropped (to the point of unusability) due to issues in the
wifi stack. The logging captures the drops.

Personally, the only way I've been able to get round this is to buy a
Broadcom WiFi card to replace the Centrino 6205. The suggestion about
fixing the SSID of the WiFi station in network-manager settings didn't
resolve things for me.


** This bug is no longer a duplicate of bug 578431
   wpa_supplicant spams syslog

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[NoOp]

The symptoms, the source, and issue are *identical*.  Further, the OP of
this bug reports: But it's spamming the syslog, making it very
difficult to find any other thing there, and it's generating constant
writes to disk, and an unnecessarily large syslog file. So what exactly
do you find different to this bug than that of 57843?

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Jon Fawbert]

Specifically, the messages discussed are different:

May 25 19:57:18 ubuntu wpa_supplicant[1161]: wlan0: CTRL-EVENT-SCAN-STARTED
May 25 19:57:23 ubuntu wpa_supplicant[1161]: nl80211: 
send_and_recv-nl_recvmsgs failed: -33

vs from 57843:

May 10 20:06:37 Otherland wpa_supplicant[1741]: WPS-AP-AVAILABLE
May 10 20:07:37 Otherland wpa_supplicant[1741]: WPS-AP-AVAILABLE
May 10 20:08:37 Otherland wpa_supplicant[1741]: WPS-AP-AVAILABLE
May 10 20:09:48 Otherland avahi-daemon[1705]: Invalid query packet.
May 10 20:11:01 Otherland avahi-daemon[1705]: last message repeated 2 times
May 10 20:14:49 Otherland avahi-daemon[1705]: Invalid query packet.
May 10 20:15:37 Otherland avahi-daemon[1705]: last message repeated 2 times

and the fact that some posters are reporting that the first set of
messages are accompanied by repeated loss of wifi connectivity,
suggesting that they indicate a failure which is impactful to wifi
state.

Both sets of messages are repeated causing the spamming issue which
creates a smiliarity but not an identical match in my opinion.

I had no intention of causing offence however and apologise if any was
taken.

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Anders Hall]

Well, bug 57843 does not describe symptoms besides spamming of the
syslog. This bug does describe spamming of syslog and perhaps
connectivity issues for some users. However, the the upstream bug
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=539915 you mention
NoOp seems to be similar to this one. Perhaps this bug is more
informative than 539915, with suggestions for solving the problem, that
work in some cases, so just merge bug 539915 an 1323089 instead.

In my view it is unclear if bug 57843 is related.


** Bug watch added: Debian Bug tracker #539915
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=539915

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[NoOp]

*** This bug is a duplicate of bug 578431 ***
https://bugs.launchpad.net/bugs/578431

** This bug has been marked a duplicate of bug 578431
   wpa_supplicant spams syslog

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[NoOp]

This appears to be a duplicate of 
wpa_supplicant spams syslog Edit

Ubuntu
“wpasupplicant” package
Bug #578431

https://bugs.launchpad.net/ubuntu/+source/wpasupplicant/+bug/578431

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Olivier Bilodeau]

Comment #24 fixed my problem too! After I tried regulatory domain
setting, disabling 802.11n and disabling power saving mode.

This is certainly not happening on other platforms. What can be done to
get this fixed?

First I guess we need to file it to the proper place. Is it a
NetworkManager issue (it should not trigger the scan for other BSSID) or
a wpa_supplicant issue (scanning for BSSID shouldn't disconnect ongoing
sessions)?

Chipset: Intel Centrino Advanced-N 6235

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[WinEunuchs2Unix]

It doesn't happen with Intel 3495 abg (wlan0) when 802.11n is turned off
but will happen if 802.11n is active for other wifi adapters.  It
happens with RTL2800 bgn (wlan1), BCM43526 ac+gn (wlan2), Intel Centrino
6235 bgn (wlan3) and now with RTL 3072 bgn (wlan4).

Very aggravating, especially since since I don't know what CTRL-EVEN-
SCAN-STARTED is and if I need on every minute instead of once a day.  I
might pick up an Atheros wifi adapter soon but I'll bet my favorite
laptop sticker it'll have the same grief with 802.11n.  And NO I'm not
turning off 802.11n because I like seeing Bit Rate:115.Mb/s on my
Conky display instead of 54 Mb/s.

Could a kernel developer or network-manager programmer not give some
advise to these many posts littering the netosphere please?

Don't even get me started ranting about 802.11ac...

PROOF:
Aug 17 17:49:15 Rick-Satellite-L300 wpa_supplicant[1491]: wlan0: 
CTRL-EVENT-SCAN-STARTED 
Aug 17 17:50:18 Rick-Satellite-L300 wpa_supplicant[1491]: wlan0: 
CTRL-EVENT-SCAN-STARTED 
Aug 17 17:50:25 Rick-Satellite-L300 wpa_supplicant[1491]: wlan4: 
CTRL-EVENT-SCAN-STARTED 
Aug 17 17:51:21 Rick-Satellite-L300 wpa_supplicant[1491]: wlan0: 
CTRL-EVENT-SCAN-STARTED 
Aug 17 17:52:24 Rick-Satellite-L300 wpa_supplicant[1491]: wlan0: 
CTRL-EVENT-SCAN-STARTED 
Aug 17 17:52:25 Rick-Satellite-L300 wpa_supplicant[1491]: wlan4: 
CTRL-EVENT-SCAN-STARTED 
Aug 17 17:53:27 Rick-Satellite-L300 wpa_supplicant[1491]: wlan0: 
CTRL-EVENT-SCAN-STARTED 
Aug 17 17:54:25 Rick-Satellite-L300 wpa_supplicant[1491]: wlan4: 
CTRL-EVENT-SCAN-STARTED 
Aug 17 17:54:30 Rick-Satellite-L300 wpa_supplicant[1491]: wlan0: 
CTRL-EVENT-SCAN-STARTED 

~$

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[WinEunuchs2Unix]

Oops this has been going on since 2009 and a developer did respond that
it is simply for roaming in corporate environments with multiple access
points to connect to.  If you only have one AP at home go into network
manager, select Edit Connection, highlight your AP / wlan0 and click
Edit.  Then click the down arrow next to BSSID  which is blank.  Then
select the mac address that was hidden before.

My apologies for linking this to an 802.11n problem.  Once bitten twice
shy I guess

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Anders Hall]

Thank you ricklee! Worked on my setup too. Still, this message should
only be visible with verbose debugging. Muted as default for consumers.

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Bulent Besim]

This is also showing up with the dev branch 14.10(utopic unicorn):

Aug 12 09:45:32 utopic wpa_supplicant[1704]: wlan0: CTRL-EVENT-SCAN-STARTED 
Aug 12 09:43:38 utopic wpa_supplicant[1704]: nl80211: 
send_and_recv-nl_recvmsgs failed: -33

$ lspci | grep Network
02:00.0 Network controller: Intel Corporation Centrino Advanced-N 6230 [Rainbow 
Peak] (rev 34)

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[levik]

Hi,

I confirm that I have the same issue. 
Has anyone have idea how resolve this issue?

Thanks, Levik

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Tim Eggleston]

I don't know if this bug is the root cause of the internet dropouts I'm
experiencing at the same time, but it's extremely frustrating. The same
behaviour seems to have been reported by multiple people, so they are at
least related. Is there any way we can escalate the severity of this
bug?

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[levik]

This issue related by connectivity to vpn using pptp.
I have found this issue about some days ago.
In my opinion, it is started when I agreed with some of ubuntu updates.

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Anders Hall]

Any idea how this error message can be muted?

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Tim Eggleston]

Also affected on Xubuntu 14.04, laptop is a Thinkpad X220. I lose
network connectivity for a few seconds up to a minute or more when the
messages are logged.

Wireless chipset:
03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6205 [Taylor 
Peak] (rev 34)

Kernel:
Tried with the standard 14.04 kernel (currently 3.13.0-24-generic) and the 
mainline packages for stable (3.15.7-031507-generic) and next 
(3.16.0-031600rc7-generic)

Log snippet:
Jul 31 15:21:43 whistler wpa_supplicant[1331]: wlan0: CTRL-EVENT-SCAN-STARTED 
Jul 31 15:21:47 whistler wpa_supplicant[1331]: nl80211: 
send_and_recv-nl_recvmsgs failed: -33

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[william fischer]

I noted the same in my syslog file:

Jul 31 21:48:13 UBLNX415DK wpa_supplicant[1331]: wlan0: CTRL-EVENT-SCAN-STARTED 
Jul 31 21:48:18 UBLNX415DK wpa_supplicant[1331]: nl80211: 
send_and_recv-nl_recvmsgs failed: -33

Network controller: Intel Corporation Centrino Advanced-N 6235 (rev 24)

Ubuntu 14.04.1 LTS

Linux 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014
x86_64 x86_64 x86_64 GNU/Linux

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Halgeir]

Same bug here on Kubuntu 14.04:

25:00.0 Network controller: Intel Corporation Centrino Advanced-N 6205
[Taylor Peak] (rev 34)

Jul 17 19:37:08 NUVS-18097301A wpa_supplicant[1085]: wlan0: 
CTRL-EVENT-SCAN-STARTED
Jul 17 19:37:23 NUVS-18097301A wpa_supplicant[1085]: nl80211: 
send_and_recv-nl_recvmsgs failed: -33
Jul 17 19:39:08 NUVS-18097301A wpa_supplicant[1085]: wlan0: 
CTRL-EVENT-SCAN-STARTED
Jul 17 19:39:23 NUVS-18097301A wpa_supplicant[1085]: nl80211: 
send_and_recv-nl_recvmsgs failed: -33
Jul 17 19:41:08 NUVS-18097301A wpa_supplicant[1085]: wlan0: 
CTRL-EVENT-SCAN-STARTED
Jul 17 19:49:08 NUVS-18097301A wpa_supplicant[1085]: message repeated 4 times: 
[ wlan0: CTRL-EVENT-SCAN-STARTED ]
Jul 17 19:49:23 NUVS-18097301A wpa_supplicant[1085]: nl80211: 
send_and_recv-nl_recvmsgs failed: -33
Jul 17 19:51:08 NUVS-18097301A wpa_supplicant[1085]: wlan0: 
CTRL-EVENT-SCAN-STARTED
Jul 17 19:51:23 NUVS-18097301A wpa_supplicant[1085]: nl80211: 
send_and_recv-nl_recvmsgs failed: -33
Jul 17 19:53:08 NUVS-18097301A wpa_supplicant[1085]: wlan0: 
CTRL-EVENT-SCAN-STARTED

The computer is a HP Elitebook 8570w

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  wpa_supplicant writes to syslog every 2 minutes

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Lehel]

Same here, LinuxMint KDE 17
03:00.0 Network controller: Intel Corporation Centrino Wireless-N 1030 [Rainbow 
Peak] (rev 34)

Jul 13 23:58:17 dell wpa_supplicant[920]: wlan1: CTRL-EVENT-SCAN-STARTED 
Jul 13 23:58:18 dell wpa_supplicant[920]: nl80211: send_and_recv-nl_recvmsgs 
failed: -33
Jul 14 00:00:17 dell wpa_supplicant[920]: wlan1: CTRL-EVENT-SCAN-STARTED 
Jul 14 00:00:18 dell wpa_supplicant[920]: nl80211: send_and_recv-nl_recvmsgs 
failed: -33

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Title:
  wpa_supplicant writes to syslog every 2 minutes

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[MFlyagin]

Same problem.
Network controller: Intel Corporation Centrino Wireless-N 130.

in my case also lost Internet, although a wireless connection is not
broken. if I reconnect to an access point, the Internet appears. but not
for long.

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Title:
  wpa_supplicant writes to syslog every 2 minutes

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Jacek Kluza]

Same here.
Network controller: Intel Corporation Centrino Wireless-N 2230 (rev c4)

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Title:
  wpa_supplicant writes to syslog every 2 minutes

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Jon Fawbert]

I have a Centrino 6205.
Lots of these 

Jul 1 13:52:15 jon-HP2 wpa_supplicant[1590]: wlan0: CTRL-EVENT-SCAN-
STARTED

that come with these:   
Jul 1 13:52:15 jon-HP2 wpa_supplicant[1590]: nl80211: 
send_and_recv-nl_recvmsgs failed: -33

in my logs, some of these

01/07/2014
10:01:39.000
Jul 1 10:01:39 jon-HP2 NetworkManager[984]: info (wlan0): deactivating device 
(reason 'supplicant-failed') [10]

also.

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  wpa_supplicant writes to syslog every 2 minutes

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Michael-fischer-home]

I am also affected. Hardware is Intel Corporation Centrino Advanced-N
6205 [Taylor Peak] (rev 34)

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[seebers]

I can confirm these log events.

Network controller:  Intel Corporation Centrino Advanced-N 6205 [Taylor
Peak] (rev 34)

In addition when I try to establish a VPN connection (no matter if
OpenVPN or simple IPsec Tunnel) the tunnel will be established and after
two minutes it breaks and no connection through the tunnel is possible.

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  wpa_supplicant writes to syslog every 2 minutes

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Anders Hall]

Some more affected people: http://askubuntu.com/questions/454427
/network-issues-since-trusty

Their test seem to indicate changing encryption scheme affects the
interval the message occurs.

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  wpa_supplicant writes to syslog every 2 minutes

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Ulf Rehmann]

I see the same log events every few minutes:

Jun  9 19:05:51 ada wpa_supplicant[1043]: wlan0: CTRL-EVENT-SCAN-STARTED 
Jun  9 19:05:57 ada wpa_supplicant[1043]: nl80211: send_and_recv-nl_recvmsgs 
failed: -33

My network controller: Intel Corporation Centrino Ultimate-N 6300 (rev
3e)

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  wpa_supplicant writes to syslog every 2 minutes

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Thaddäus Tintenfisch]

I can confirm these log events.

Network controller: Intel Corporation WiFi Link 5100

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  wpa_supplicant writes to syslog every 2 minutes

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Anders Hall]

Same output in my syslog.

May 29 23:24:31 boll wpa_supplicant[1590]: wlan0: CTRL-EVENT-SCAN-STARTED 
May 29 23:24:36 boll wpa_supplicant[1590]: nl80211: send_and_recv-nl_recvmsgs 
failed: -33

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  wpa_supplicant writes to syslog every 2 minutes

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Anders Hall]

lspci says Network controller: Intel Corporation Centrino Advanced-N
6205 [Taylor Peak] (rev 34)

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  wpa_supplicant writes to syslog every 2 minutes

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Mariano Draghi]

Mine says Network controller: Intel Corporation Centrino Advanced-N
6200 (rev 35).

It's almost the same chipset; mine (6200) is 802.11a/g/n certified,
whereas Anders' (6205) is 802.11a/b/g/n.

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  wpa_supplicant writes to syslog every 2 minutes

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Thaddäus Tintenfisch]

** Package changed: wpasupplicant (Ubuntu) = wpa (Ubuntu)

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  wpa_supplicant writes to syslog every 2 minutes

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: wpasupplicant (Ubuntu)
   Status: New = Confirmed

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[Bug 1323089] Re: wpa_supplicant writes to syslog every 2 minutes

[Peter Lemieux]

I checked syslog just now after reading this discussion at Ubuntu
Forums: http://ubuntuforums.org/showthread.php?t=2224450

I can confirm the behavior of wpa_supplicant.

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