Comment 6 for bug 115220

I've also seen reports of a 1680x1680 variant.

Another thing to get details from is get-edid:

 sudo apt-get insteall read-edid
 get-edid | parse-edid

I'm interested in if this gives the same results; if so, then the error is likely to be something with the hardware. If not, then it's a bug in ddcprobe.

Thanks, if we can get this data soonish, we may be able to have a fix for this in by Gutsy.