> > >>> > > Not sure. But it does seem to be tied to that specific machine. > Question: Is an IOMMU enabled on that system? > > >>> > > > >>> > IOMMU (Inter's VT-d) is enabled in BIOS (on both machines). > > >>> > > > >>> > > Perhaps that is exposing a dma mapping problem with krping? > > >>> > > >>> I have replaces the CX-5 card with another one and I no longer see the > > >>> krping problem. I think it speaks that it's a card issue... > > >> > > >> Check the firmware on the bad card. Lots of issues disappear if you > > >> have older firmware and update to the latest. > > > > > > That's a valid point. A check of firmware versions is needed. At the > > > time of the problem, I believe I had two machines that each had same > > > firmware versions. After card replacement, the replacement card > > > displays newer firmware. > > > > I have upgraded the firmware on both machines involved to the latest > > available firmware for the card and now I'm in the situation where > > krping does not work on either machine --- when either of them is a > > server it fails with the same information in the var log messages: > > Doesn't it mean that the issue in FW? > Is still possible that krping has some dma mapping bug that wasn't detected by older FW, and now is being detected by the new FW? -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
