Re: Problems associating with RTL8188CE

[Seth Forshee <seth.forshee@canonical.com>]

On Tue, Dec 13, 2011 at 02:41:02PM -0600, Larry Finger wrote:
> On 12/13/2011 01:42 PM, Seth Forshee wrote:
> >I have another AP that the rtl8192ce doesn't have any problems
> >associating with, so I also captured a trace with wireshark when
> >associating to that AP. I didn't see much that differed except that the
> >probe response frame with the problematic AP is about 350 bytes longer
> >(due to additional information elements).
> 
> The extra IE entries must be the clue.
> 
> >Something else that I noticed is that with the problematic AP, inactive
> >power save seems to kick in shortly afer sending the
> >probe/authentication requests. I wondered if this might be behind the
> >issues, but loading the module with ips=0 makes no difference.
> >
> >Any suggestions on what might be going wrong or next steps for
> >debugging?
> 
> With ips=0, all power save should be eliminated. Please take the two
> capture files, and filter all but the probe and probe response
> frames. I'll try to find some time to analyze them.

The capture files are available at:

http://people.canonical.com/~sforshee/rtl8188ce/

Thanks,
Seth