[openssl-dev] [openssl.org #4509] ECC key generation under valgrind reports: impossible has happened

[Nikos Mavrogiannopoulos]

On Wed, 2016-04-27 at 13:33 +0000, Andy Polyakov via RT wrote:
> > 
> > Valgrind does not necessarily support all instructions, if there’s
> > any optimized assembly, you might run into problems.
> > Are you able to compile a non-assembly version of the OpenSSL
> > library?
> > Are you able to update to a newer Valgrind?
> Or at least tell valgrind version, because I can't reproduce the
> problem
> with 3.10.1. At any event you can also see if it's problem with
> unsupported instructions, unsupported by [your version of] valgrind
> that
> is, by manipulating OPENSSL_ia32cap environment variable. You can
> disable AVX2 code paths by setting it to :~0x20 or simply :0 if it
> runs into more "too-new-to-be-possible" instructions.

I tried with valgrind-3.11.0.