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[Loki <1240940@xxxxxxxxxxxxxxxxxx>]

After install upgrades with new kernel i have this error in dmesg and
wifi still not work.

My notebook is Lenovo B5400

$ dmesg | grep rtl
[   10.753070] rtl8723be: Using firmware rtlwifi/rtl8723befw.bin
[   10.753150] rtl8723be 0000:04:00.0: irq 47 for MSI/MSI-X
[   11.135041] rtl8723be 0000:04:00.0: Direct firmware load failed with error -2
[   11.135044] rtl8723be 0000:04:00.0: Falling back to user helper
[   11.179233] rtlwifi: Firmware rtlwifi/rtl8723befw.bin not available

$ modinfo rlt8723be
modinfo: ERROR: Module rlt8723be not found.
loki@tp-lenovo-b5400-ubuntu:~$ modinfo rtl8723be
filename:       /lib/modules/3.13.0-27-generic/kernel/drivers/net/wireless/rtlwifi/rtl8723be/rtl8723be.ko
firmware:       rtlwifi/rtl8723befw.bin
description:    Realtek 8723BE 802.11n PCI wireless
license:        GPL
author:         Realtek WlanFAE	<wlanfae@xxxxxxxxxxx>
author:         PageHe	<page_he@xxxxxxxxxxxxxx>
srcversion:     B4AEA7435E87596435F3F22
alias:          pci:v000010ECd0000B723sv*sd*bc*sc*i*
depends:        rtlwifi,rtl8723-common,rtl_pci,btcoexist,mac80211
intree:         Y
vermagic:       3.13.0-27-generic SMP mod_unload modversions 
signer:         Magrathea: Glacier signing key
sig_key:        23:98:4A:C2:03:78:43:25:CC:F7:B9:5B:51:F6:C1:19:38:0E:B9:33
sig_hashalgo:   sha512
parm:           swlps:bool
parm:           swenc:using hardware crypto (default 0 [hardware])
 (bool)
parm:           ips:using no link power save (default 1 is open)
 (bool)
parm:           fwlps:using linked fw control power save (default 1 is open)
 (bool)
parm:           debug:Set debug level (0-5) (default 0) (int)

$ uname -a
Linux tp-lenovo-b5400-ubuntu 3.13.0-27-generic #50-Ubuntu SMP Thu May 15 18:06:16 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux


Also tried:
$ sudo modprobe rtl8723be
it did not help

-- 
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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1240940

Title:
  Need support for Realtek Wifi  card rtl8723be [10ec:b723]

Status in HWE Next Project:
  Fix Released
Status in HWE Next trusty series:
  Fix Released
Status in “linux” package in Ubuntu:
  Fix Released
Status in “linux” source package in Trusty:
  Fix Released

Bug description:
  This device is appearing in some OEM machines, but driver is not yet
  available upstream.

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