Some note worthy stuff on firmware 76 and 6.5.2:

Two days ago, I replaced a malfunctioning SQB with a fresh boxed SQB.
The malfunctioning SQB was not exhibiting transition problems, but was
not accepting a static IP address (DHCP ok). I guess you could call the
behavior spontaneous reboot, but since the SQB was never fully
connected, I consider it a failure to initialize. The SQB responded
with "Invalid IP address". Something I had never seen before. The only
difference between this SQB and the boxed SQB was that it was briefly
connected to squeezenetwork and used to play ogg radio streams (that
failed to play since the bitrate was not supported). Factory reset,
firmware update.. all had no effect on restoring the prior ability to
assign a static IP address.

Another SQB, also part of radio testing (but from slimserver in
referral mode, not squeezenetwork), was having transition problems,
while another SQB (not part of squeezenetwork or radio referral from
slimserver) connected to the same server (unsynced) was not having
transition problems. The faulting SQB is in the process of being
replaced and tested.

Have you connected your SQB at any time to a radio station or to
squeezenetwork? Tried to play ogg files?

I agree that 6.3.1 did not exhibit this transition trouble. Neither did
version 6.2.2. Prior to that, transition trouble was sporadic across
versions. I have also noticed an apparent correlation between custom
MySQL and more frequent transition problems. No theories on why that
might be the case. You might want to try using the 6.5.2 default mysqld
to generate the fault. Using the default mysqld will get more attention
from developers.

As for the direct xover test, the basis of the test is that Ethernet is
a broadcast implementation. That means that every frame is seen by
virtually every NIC. The NIC that eventually decides that the frame is
being sent to it (by comparing the frame MAC address to its own MAC
address - among other things), takes ownership of the frame. A faulty
NIC/driver might decide to garble the frame, or engage in some other
non standard behavior. Besides, reducing the number of components
required to create the fault brings one closer to a reproducible case,
or identification of a faulty component.

Richard


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RichardG
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