eigenvalues, part: fell off the end



Hi guys,

On Maxima 5.30/linux/amd64, I'm getting this 
with fairly simple block-diagonal symbolic 
matrix of 10x10 and/or 11x11 dimension:

E:eigenvalues(opH)
part: fell off the end.

But with matrix of dimension 9x9 and lower the 
routine completes okay.

What could/should I try? Should I post the 
matrix in the form it's 'print'ed, too?

The alt_eigen solution recommended earlier in 
this list can't pass its own tests on 5.30.

Is there anything else?

-Yury