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. -- 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