On Wed, Mar 30, 2016 at 10:20 AM, Sowmini Varadhan <sowmini.varad...@oracle.com> wrote: > On (03/30/16 10:12), Alexander Duyck wrote: >> Yeah. The patch was sort of a knee-jerk reaction to being told that >> the patch referenced caused a regression. From what I can tell that >> is not the case as I am also seeing the Tx hangs when I run the test >> with the frames being linearized. > > I'm not sure how important of a subtlety this is, but the actual > console log after the patch is the following: > > i40e 0000:82:00.0: TX driver issue detected, PF reset issued > i40e 0000:82:00.0 eth2: adding 68:05:ca:30:dd:18 vid=0 > i40e 0000:82:00.0: TX driver issue detected, PF reset issued > i40e 0000:82:00.0 eth2: adding 68:05:ca:30:dd:18 vid=0 > i40e 0000:82:00.0: TX driver issue detected, PF reset issued > > Comparing with what I'd pasted in the sourceforge thread earlier, > I see that it does not say "Hung Tx queue etc." any more, though > it still resets. > > Not sure if that changed info is significant?
It might be. Right now I am chasing down the Tx driver issue as that I what I am reproducing in my environment as well. >From what I can tell by enabling msglvl tx_err it is reporting MDD event 0x2. Unfortunately the documentation doesn't say what that is so I am checking a few different possibilities. - Alex