Re: [Bug ?] 10ec:b723 Realtek RTL8723BE wireless card drops connection

[Larry Finger <Larry.Finger@lwfinger.net>]

On 06/14/2015 06:04 PM, James Cameron wrote:
> On Sun, Jun 14, 2015 at 10:10:30AM -0500, Larry Finger wrote:
>> To address your problem, power saving does not work correctly on
>> this device. That is why there are numerous posts on the web telling
>> people to use ips=0. It seems that Ubuntu people never look at
>> anything but the Ubuntu literature; however, I'm sure that I posted
>> this "suggestion" there as well. The Realtek group is currently
>> rewriting the entire dynamic management code for all their drivers.
>> When complete, this should improve performance and should help the
>> power-save condition. No, I do not know when the new code will be
>> ready, or how much improvement it will make.
>
> Thanks for summary.
>
> OLPC is also seeing the issue.  Power saving mode impacts battery run
> time; one of our design goals.  ips=0 seems to solve with 3.19, but
> not fully with 4.1-rc7; still some periods of packet loss.
>
> I offer to test any rtl8723be changes.

Please do a bisection between 4.1-rc7 and 3.19.

Larry