New: PCI numa_node not set correctly

Bugme-new Andrew Morton 1 participant 1 message Jul 26, 2007 1 message not in the archive Memory management

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Andrew Morton

author maintainer

2007-07-26 17:57 UTC #1 lore raw

Quoted 23 lines · On Thu, 26 Jul 2007 05:13:12 -0700 (PDT) [email protected] wrote:

http://bugzilla.kernel.org/show_bug.cgi?id=8814

           Summary: PCI numa_node not set correctly
           Product: Platform Specific/Hardware
           Version: 2.5
     KernelVersion: 2.6.22-rc7-git4-ak-070710
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: x86-64
        AssignedTo: [email protected]
        ReportedBy: [email protected]

Most recent kernel where this bug did not occur:
Distribution: SLES10 with -ak kernel
Hardware Environment: Tyan 4985
Software Environment:
Problem Description:

Quoted 9 lines

This hardware is a 4 socket Opteron with the normal I/O Hub hanging off of node 0 but also with a PCIe bridge and Networking attached to node 1. Looking through the code, the node of the pci device gets exported to sysfs and set by k8-bus.c. However looking at the value of numa_node for all devices in sysfs returned 0.
Steps to reproduce:
find /sys -name 'numa_node'|xargs cat

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