[petsc-users] Bus Error

[Barry Smith]

  So if a BLAS errors with SIGBUS then it is always an input error of just not proper double/complex alignment? Or some other very strange thing?





> On Aug 24, 2020, at 11:58 AM, Jed Brown <jed at jedbrown.org> wrote:
> 
> Barry Smith <bsmith at petsc.dev> writes:
> 
>>    Even for BLAS 1 operations?
> 
> Yes, and requiring alignment is untenable given how algorithms like unblocked Householder work on a subset of the original column (and simpler cases where lda doesn't maintain alignment).