On 06/14/2015 02:56 AM, Arnaud LE CAM wrote:
Larry and Jes,
The problem is that wifi connection drops randomly (reconnecting each 600 sec.)
when flwps option is set to 1.
Many tests have been done on this bug, including with 4.1.0-040100rc7 kernel :
- flwps=0 and ips=0 works fine ;
- flwps=1 and ips=0 (equals to ips=0 with no other options) works fine only
with 802.11g under 4.1.0-040100rc7 ;
- flwps=0 and ips=1 works fine ;
- flwps=1 and ips=1 results in a bug.
This bug was triaged by Christopher M. Penalver on Ubuntu's Launchpad
(https://bugs.launchpad.net/bugs/1459367) where all tests are attached.
I hope it could help...
Never, ever, ever drop the Cc to the mailing list. By doing that, you are
requesting private consultation, but without any offer to pay for such personal
service. That is rude. In fact, I usually ignore such postings.
On the other hand, this description of the problem is nearly perfect. The reader
does not have to look at pages of information that is likely not significant.
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.
Larry
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