On Thu, 2019-05-23 at 11:22 +0800, Feng Tang wrote: > Failed in reading the HW register is very serious for igb/igc driver, > as its hw_addr will be set to NULL and cause the adapter be seen as > "REMOVED". > > We saw the error only a few times in the MTBF test for > suspend/resume, > but can hardly get any useful info to debug. > > Adding WARN() so that we can get the necessary information about > where and how it happens, and use it for root causing and fixing > this "PCIe link lost issue" > > This affects igb, igc. > > Signed-off-by: Feng Tang <feng.t...@intel.com> > Tested-by: Aaron Brown <aaron.f.br...@intel.com> > Acked-by: Sasha Neftin <sasha.nef...@intel.com> > --- > drivers/net/ethernet/intel/igb/igb_main.c | 1 + > drivers/net/ethernet/intel/igc/igc_main.c | 1 + > 2 files changed, 2 insertions(+)
This patch is already in my next series of 1GbE patches to push to Dave, so you can expect this to be pushed upstream before the weekend.
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