kernel config is uploaded in https://bugzilla.kernel.org/show_bug.cgi?id=88151 The domain is in USB. cc Bjorn and ml. Thanks, Pengyu On Thu, Nov 13, 2014 at 12:32 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote: > On Wed, Nov 12, 2014 at 8:14 PM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote: >> [+cc linux-pci, Yinghai] >> >> Thanks for the report! >> >> On Wed, Nov 12, 2014 at 8:57 PM, <bugzilla-daemon@xxxxxxxxxxxxxxxxxxx> wrote: >>> https://bugzilla.kernel.org/show_bug.cgi?id=88131 >>> >>> Bug ID: 88131 >>> Summary: PCI device intel ixgbe and xhci with 64-bit bar >>> address can NOT work on x86_32 PAE kernel. >>> Product: Drivers >>> Version: 2.5 >>> Kernel Version: 3.18-rc4 >>> Hardware: i386 >>> OS: Linux >>> Tree: Mainline >>> Status: NEW >>> Severity: normal >>> Priority: P1 >>> Component: PCI >>> Assignee: drivers_pci@xxxxxxxxxxxxxxxxxxxx >>> Reporter: mapengyu@xxxxxxxxx >>> Regression: No >>> >>> Created attachment 157441 >>> --> https://bugzilla.kernel.org/attachment.cgi?id=157441&action=edit >>> dmesg >>> >>> PCI device intel ixgbe and xhci with 64-bit bar address can NOT work on x86_32 >>> kernel. >>> >>> The bar0 base address of intel ixgbe ethernet card and xhci are above 4G. >>> The commit d56dbf5bab8ce44c5407bb099f71987f58d18bb4 try to map the resource >>> above 4G. >>> Enabled PAE and HIGHMEM64G, it should support 64-bit BAR, but failed on high >>> bar address. >> >> Can you also attach your .config to the bugzilla? >> >> Is this a regression? Did it work correctly before d56dbf5bab8c >> ("PCI: Allocate 64-bit BARs above 4G when possible")? >> >> I assume this is the problem you're seeing (for igbe): > > This is some kind of bug that is uncovered by that commit. > > I already have two patches for ixgbe one. > > but xhci could be different problem. > > Aaron, can you split the bug to two ? > one for ixgbe and one for xhci. > > Thanks > > Yinghai -- 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