First patch contains changes in testpmd that allows to reproduce the issue. Second patch is the actual fix.
Konstantin Ananyev (2): testpmd: add ability to split outgoing packets ixgbe: fix TX hang when RS distance exceeds HW limit app/test-pmd/cmdline.c | 57 +++++++++- app/test-pmd/config.c | 61 +++++++++++ app/test-pmd/csumonly.c | 163 +++++++++++++++++++++++++++- app/test-pmd/testpmd.c | 3 + app/test-pmd/testpmd.h | 10 ++ app/test-pmd/txonly.c | 13 ++- doc/guides/testpmd_app_ug/testpmd_funcs.rst | 11 +- drivers/net/ixgbe/ixgbe_rxtx.c | 32 +++++- 8 files changed, 336 insertions(+), 14 deletions(-) -- 1.8.5.3