On Mon, Aug 10, 2015 at 10:42 AM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote: > On Mon, Aug 10, 2015 at 12:16 PM, Duc Dang <dhdang@xxxxxxx> wrote: >> On Monday, August 10, 2015, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote: >>> >>> On Fri, Jul 31, 2015 at 12:00 PM, Duc Dang <dhdang@xxxxxxx> wrote: >>> > On Wed, Jul 29, 2015 at 8:55 AM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> >>> > wrote: >>> >> On Tue, Jul 28, 2015 at 08:22:55PM -0500, Bjorn Helgaas wrote: >>> >>> On Tue, Jul 28, 2015 at 02:50:39PM -0700, Duc Dang wrote: >>> >> >>> >>> > Do you have another PCIe card to try on the same reboot test on this >>> >>> > board? >>> >>> >>> >>> I've seen this on at least two Mellanox cards. I'm running similar >>> >>> tests >>> >>> on a different type of card now. >>> >> >>> >> FWIW, reboot tests on two machines with Mellanox cards failed, while >>> >> the >>> >> same test on a machine with a different proprietary card succeeded. >>> > >>> > Thanks, Bjorn. >>> > >>> > I don't have the same Mellanox card as yours, but I will also run >>> > similar reboot test to see if I hit the same issue with my card. >>> >>> Any more hints on this? Nothing has changed on my end, so of course >>> I'm still seeing this, always on machines with Mellanox, and never on >>> other machines. Could this be a hardware issue like a signal >>> integrity or margin issue? I don't know where to go from here because >>> I'm not a hardware person, and I don't know anything to do in >>> software. >> >> >> Hi Bjorn, >> >> I tried to run similar reboot tests on 2 different Mellanox cards (Connect-X >> family, one card has 2 10G interfaces, the other one has 1 port that >> supports InfiniBand) with U-Boot 1.15.12 and linux 4.2-rc5 and I did not see >> the crash that you encounterred. >> >> Did you check if your Mellanox cards have latest firmware? I did see some >> link issues on my Mellanox cards with its old firmware before. > > Good idea; I'll check that, too. Also, I just learned that these > cards on installed with an extender card because of some space issues, > so we're going to test again without the extender. Hi Bjorn, Are other cards that passed your test installed directly to the on-board PCIe slot? If yes, then this is a good data point and it will be useful to test the case where your Mellanox cards are directly installed into the on-board PCIe slot. -- Regards, Duc Dang. -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
