Michael,
I saw identical behavior this weekend. When I powered on I noticed the PFD horizon was vertical. Looking at the messages, I saw IR1 at 500. A power cycle didn't appear to help at first so I did a clean/build/upload and power cycle and the issue so far has not reappeared. FYI: I have yet to switch to SVN repo.
Paul
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Message: 1
Date: Sun, 19 Apr 2009 07:50:33 -0700
From: michael evans <address@hidden>
Subject: [Paparazzi-devel] ERRORS
To: address@hidden
Message-ID:
<address@hidden>
Content-Type: text/plain; charset="windows-1252"
i have been getting very strange numbers from my IR sensors. i plug in the
flight pack into my funjet and ir1 is -500 or something. i try wiggling
wires and unpluging IR and its still crazy. i unplug the flight pack,wait,
then plug it back in and then its at around plus or minus 10 like it should
be.i tripple check everything and it all looks good. when i went to fly my
funjet on thursday the first time i went in to auto1 it spiraled to the left
so i recover in manual. check the messages and its the - 500 again. i unplug
and plug it in and give it another go. auto1 works great. a couple minutes
into the flight i do a pass it crashes into the ground.