On Sat, 17 Jul 2021 23:13:04 +0100 Liang Ma <lian...@liangbit.com> wrote:
> On Sat, Jul 17, 2021 at 10:48:49AM -0700, Stephen Hemminger wrote: > > On Sat, 17 Jul 2021 18:08:30 +0100 > > Liang Ma <lian...@liangbit.com> wrote: > > > > > From: Liang Ma <lian...@bytedance.com> > > > > > > GCC 6.3.0 has a known bug which related to _mm512_extracti64x4_epi64. > > > Please reference https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82887 > > > > > > Some DPDK PMD avx512 version heavily use _mm512_extracti64x4_epi6, > > > which casue building failure with debug buildtype. > > > > > > Therefore, it's helpful to disable avx512 for GCC 6.3.0 > > > > > > Bugzilla ID: 717 > > > Fixes: e6a6a138919f (net/i40e: add AVX512 vector path) > > > Fixes: 808a17b3c1e6 (net/ice: add Rx AVX512 offload path) > > > Fixes: 4b64ccb328c9 (net/iavf: fix VLAN extraction in AVX512 path) > > > Cc: sta...@dpdk.org > > > > > > Reported-by: Liang Ma <lian...@liangbit.com> > > > Signed-off-by: Liang Ma <lian...@bytedance.com> > > > > What distro still has GCC 6.3.0? > For example Debian 9.x Ok, thanks. Is there a bug fix in Debian LTS yet?
