What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespaces from that line:

/kind bug

What does this PR do / why do we need it:

Which issue(s) this PR fixes:

Fixes #I4RCTT:[CT][MS][OP]solve_triangular acceptance Issues. #I4R4BW:[CT][MS][OP] eigh has some problems at CPU and GPU

Special notes for your reviewers: