The buildd failure for petsc 3.7.5+dfsg1-4 on hppa is unusual. petsc 3.7.5 has built fine previously on hppa. Could you give it back for a second try? There are no hppa porterboxes for me to test. Please give petsc back for build gb petsc_3.7.5+dfsg1-4 . hppa Thanks, Drew