[GTALUG] random wifi disconnects

Caroly Fisher carolyfisher at gmail.com
Tue Jun 30 13:39:06 UTC 2015


I've no idea what causes the issue, or how it can be permanently fixed. However, I do think it's mostly a 15.04 thing, as I never experienced it with Utopic~

Sent from my iPhone

> On Jun 28, 2015, at 11:15 AM, Stewart C. Russell <scruss at gmail.com> wrote:
> 
> Hi,
> 
> Every few days I've started to get my notebook's network connection
> giving out. This is what the log tells me:
> 
> [Sat Jun 27 17:14:38 2015] wlan0: deauthenticated from
> 00:xx:xx:xx:xx:xx (Reason: 7=CLASS3_FRAME_FROM_NONASSOC_STA)
> [Sat Jun 27 17:14:38 2015] cfg80211: Calling CRDA to update world
> regulatory domain
> [Sat Jun 27 17:14:38 2015] wlan0: authenticate with 00:xx:xx:xx:xx:xx
> [Sat Jun 27 17:14:38 2015] wlan0: send auth to 00:xx:xx:xx:xx:xx
> [Sat Jun 27 17:14:38 2015] cfg80211: World regulatory domain updated:
> [Sat Jun 27 17:14:38 2015] cfg80211:  DFS Master region: unset
> [Sat Jun 27 17:14:38 2015] cfg80211:   (start_freq - end_freq @
> bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
> [Sat Jun 27 17:14:38 2015] cfg80211:   (2402000 KHz - 2472000 KHz @
> 40000 KHz), (300 mBi, 2000 mBm), (N/A)
> [Sat Jun 27 17:14:38 2015] cfg80211:   (2457000 KHz - … etc.
> 
> Restarting network-manager often fixes it, but not always.
> 
> This is on Ubuntu 15.04, x86_64. Network card is Intel Centrino
> Advanced-N 6235, which may well be part of the problem.
> 
> I realize that there's more info I should add, but short of dumping all
> of /etc on you, I don't know what else would be useful.
> 
> cheers,
> Stewart
> 
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