Am 06.02.2016 um 00:37 schrieb Rafael J. Wysocki: > On Saturday, February 06, 2016 12:00:32 AM Heiner Kallweit wrote: >> Since commit a44c386a361e "x86/PCI/ACPI: Recognize that Interrupt Line 255 >> means "not connected"" I get several "PCI INT not connected" warnings on >> a Zotac CI321 and EHCI failes to load: > > That doesn't follow clearly from your report, but I'm assuming that it works > correctly without that commit, right? > Right, w/o this commit it looks like this: dmesg ehci-pci 0000:00:1d.0: irq 23, io mem 0xf7d1b000 /proc/interrupts IO-APIC 23-fasteoi ehci_hcd:usb3 >> ehci-pci 0000:00:1d.0: PCI INT not connected >> ehci-pci 0000:00:1d.0: EHCI Host Controller >> ehci-pci 0000:00:1d.0: new USB bus registered, assigned bus number 3 >> ehci-pci 0000:00:1d.0: debug port 2 >> ehci-pci 0000:00:1d.0: cache line size of 64 is not supported >> ehci-pci 0000:00:1d.0: request interrupt -2147483648 failed >> ehci-pci 0000:00:1d.0: USB bus 3 deregistered >> ehci-pci 0000:00:1d.0: init 0000:00:1d.0 fail, -107 >> ehci-pci: probe of 0000:00:1d.0 failed with error -107 >> >> XHCI brings the "PCI INT not connected" warning too but loads properly >> (most likely because it uses a MSI interrupt). >> >> Not sure whether this commit is to blame or a broken BIOS. >> Just let me know in case you need additional information. > > Well, even if the BIOS is "broken" and the kernel without the above commit > is able to work with it, we cannot break that. > > Thanks, > Rafael > > -- 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
