Wifi Adapter information: $ lspci -vv -s 02:00.0 02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter Subsystem: Lenovo Device b736 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 19 Region 0: I/O ports at 4000 [size=256] Region 2: Memory at d0500000 (64-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: rtl8723be I have tried to use four different kernels to check the compatibility: Ubuntu, with Linux 3.16.0-031600rc6-generic Ubuntu, with Linux 3.13.0-32-generic Ubuntu, with Linux 3.13.0-24-generic Ubuntu, with Linux 3.13.0-30-generic Out of the four kernels, 3.16.0-031600rc6-generic performed the best as it enabled me to connect faster and for longer duration. Unfortunately, I eventually get disconnected after a while. Launchpad suggested that I report this as an upstream bug. Thank you
It is still unfixed in v3.19-rc7 These drivers fix the issue for me: https://github.com/lwfinger/rtlwifi_new/ Duplicate of: https://bugzilla.kernel.org/show_bug.cgi?id=85811 https://bugzilla.kernel.org/show_bug.cgi?id=83641 https://bugzilla.kernel.org/show_bug.cgi?id=78991 Temporary fix instructions For end users, till the fix is mainline: Download them all with the link at right, extrack it to /home/username/wififix write these in terminal $cd wififix $make $sudo make install