Right, here it comes:

    What is the wireless Access Point Manufacturer, Model, Firmware
Version, and Settings (ex. encryption type, MAC filtering, QoS, Beacon
Interval, etc.)?

It's an ISP provided Sagemcom F@st 3184. Here's some info it provides:

Standard Specification Compliant        DOCSIS 3.0
Hardware Version        1.0
Software Version        LxG_5.5.4_n_120103
Linux S/W Version       1.0.4-110517

The AP is wpa/wpa2 protected, MAC filtering and QoS not engaged, beacon
interval unknown.


    Does another WiFi device tested with the AP have the same problem as the 
hardware you initially reported with?

No. All other devices connect properly.


    What is the distance of the WiFi device from AP? What is the number and 
type of obstructions between the two?

About four meters, a wall in between.


    Does the issue occur with different APs?

Yes, the device fails to connect to all APs when powered by the built in
driver.

    Is it a regression (e.g. did the problem happen in a prior Ubuntu
release)?

No. All releases since 11.04 (2.6.38) have had that problem.

    Does testing compat-wireless help?

No.

    Does testing the newest mainline kernel help?

No.

    Does ndiswrapper provide a WORKAROUND or solution?

Not tested.

    For Broadcom WiFi chipsets, does the proprietary Broadcom STA driver
provide a WORKAROUND or solution?

No relevant.

    For Realtek WiFi chipsets, does the Realtek Backport PPA provide a
WORKAROUND or solution?

Not relevant, the PPA has no rtl8192cu module.

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You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/852190

Title:
  7392:7811 Edimax EW-7811Un USB dongle won't connect to networks
  (rtl8192cu module)

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