Hi,
Bios-updating (Bios version : F.36 / Bios release date : 12/18/2014) didn't
change anything.
But I had a look on dmesg's outputs, and it gives two informations :
1) dmesg's output is always the same on reconnection
wlan0: deauthenticated from f4:ca:e5:f0:33:98 (Reason: 2=PREV_AUTH_NOT_VALID)
cfg80211: Calling CRDA to update world regulatory domain
cfg80211: World regulatory domain updated:
cfg80211: DFS Master region: unset
cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp),
(dfs_cac_time)
cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A)
cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
wlan0: authenticate with f4:ca:e5:f0:33:98
wlan0: send auth to f4:ca:e5:f0:33:98 (try 1/3)
wlan0: authenticated
wlan0: associate with f4:ca:e5:f0:33:98 (try 1/3)
wlan0: RX AssocResp from f4:ca:e5:f0:33:98 (capab=0x411 status=0 aid=2)
wlan0: associated
2) those "groups of dmesgs" appear periodically (time between two
reconnections, in fact) :
600 sec
1200 sec
600 sec
600 sec
1200 sec
I hope it will be useful...
Best regards,
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1459367
Title:
Realtek RTL8723BE wireless card drops connection in Linux kernel
3.19.0-18
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