<html><body><div style="font-family: times new roman, new york, times, serif; font-size: 12pt; color: #000000"><div>Hi,<br></div><div><br></div><div>I try to call MatISGetMPIXAIJ on a MatIS (A) that has been feed locally by sequential (Aloc) dense matrix.</div><div>Seems this ends up with this error: [0]PETSC ERROR: New nonzero at (0,1) caused a malloc. Is this a known error / limitation ? (not supposed to work with dense matrix ?)<br></div><div><br></div><div>This (pseudo code) works fine:<br></div><div>MatCreateIS(..., A)</div><div>MatCreateSeqAIJ(..., Aloc)<br></div><div>MatISSetLocalMat(pcA, pcALoc) <br></div><div>MatISGetMPIXAIJ(A, ...) // OK !<br></div><div><br></div><div>When I try to replace MatCreateSeqAIJ(..., Aloc) with MatCreateSeqDense(..., Aloc), it does no more work. <br></div><div><br></div><div>Franck<br></div><div><br></div><div>PS: running debian/testing with gcc-6.3 + petsc-3.7.6<br></div></div></body></html>