[Server-devel] CFT: XO-1 wireless scan results loss

James Cameron quozl at laptop.org
Tue Feb 11 00:32:22 EST 2014

The problem: as XO-1s are turned on in a class, the chances of
scanning an access point fall.  Only affects XO-1s.

The cause: the XO-1s also respond to scan, and if these probes arrive
first, the access point is not seen.

The bug is in the kernel, and has been there from the beginning.  A
fix has been pushed, and is in testing by Terry and I.

http://dev.laptop.org/ticket/12757 has the technical details.

It will need wider testing.  There are other reasons why an access
point might not be scanned; the probes may have happened too close
together, the antennas may be broken, or there may be too much noise
from other devices.  So it is important to get an idea of the change
that this fix will make.

James Cameron

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