> -----Original Message----- > From: linux-pci-owner@xxxxxxxxxxxxxxx [mailto:linux-pci- > owner@xxxxxxxxxxxxxxx] On Behalf Of Israel Brewster > Sent: Thursday, January 29, 2015 1:21 PM > To: Bjorn Helgaas > Cc: linux-pci@xxxxxxxxxxxxxxx > Subject: Re: CentOS/Kernel 3.18.4/Thunderbolt2 > > On Jan 29, 2015, at 11:05 AM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote: > > > On Thu, Jan 29, 2015 at 1:46 PM, Israel Brewster <israel@xxxxxxxxxxxxxx> > wrote: > >> My company recently purchased and installed a new SuperMicro server > with a Thunderbolt 2 (Falcon Ridge) card installed, specifically an AOC-TBT- > DSL5320. I then installed CentOS 6, and, since to my understanding > thunderbolt support is only in more recent kernels, I went ahead and > upgraded the kernel to version 3.18.4 from ElRepo. However, I have not > seen any indication yet that Thunderbolt is working - although I may just not > be looking in the right place. Over on Google+ Greg Kroah-Hartman > indicated that I need the PCI hot plug controller driver enabled, and > Matthew Garrett indicated that I specifically need the ACPI PCI hotplug > driver rather than the native PCIe hotplug driver. To check, I ran the > following command: > >> > >> egrep -i HOTPLUG /boot/config-3.18.4-1.el6.elrepo.x86_64 > >> > >> Which returned the following potentially relevant results: > >> > >> CONFIG_ACPI_HOTPLUG_CPU=y > >> CONFIG_ACPI_HOTPLUG_MEMORY=y > >> CONFIG_HOTPLUG_PCI_PCIE=y > >> CONFIG_HOTPLUG_PCI=y > >> > >> but also the following: > >> > >> # CONFIG_HOTPLUG_PCI_ACPI is not set > >> # CONFIG_HOTPLUG_PCI_CPCI is not set > >> > >> So perhaps that's the entire problem - that CONFIG_HOTPLUG_PCI_ACPI > is not set? If so, what's going to be the easiest solution? > > > > Yep, if you need the ACPI PCI hotplug driver, > CONFIG_HOTPLUG_PCI_ACPI > > should be enabled. I think you should be able to use "make > > menuconfig" to enable it at: > > > > Bus options > > Support for PCI Hotplug > > ACPI PCI Hotplug driver > > > > I'm not RedHat/CentOS person, so I don't know the distro details, but > > I would try "make install" as a starting point. > > Well, I went ahead and downloaded the 3.18.4 source, copied my current > config, ran make menuconfig, and enabled that option. Then I ran make > rpm, which gave me a RPM that I installed and was able to boot from. > However, while I do see the ACPI PCI Hotplug driver loading in the DMESG, I > still don't see any indication of the thunderbolt controller or the drive I > plugged in. > > Is there any chance I'm just being stupid here? That things ARE working, but > are identified differently than I am expecting, so I don't see them? Not necessarily. Is this a plug-in controller or on the mobo? If the latter, does your system BIOS show any Thunderbolt security options, and if so, what is it set to? -- 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
