Messages in this thread | | | Date | Thu, 24 Oct 2002 16:56:31 -0700 | From | "H. J. Lu" <> | Subject | Re: PCI device order problem |
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On Thu, Oct 24, 2002 at 07:49:41PM -0400, Jeff Garzik wrote: > H. J. Lu wrote: > > >In arch/i386/kernel/pci-pc.c, there are > > > >/* > > * Sort the device list according to PCI BIOS. Nasty hack, but since some > > * fool forgot to define the `correct' device order in the PCI BIOS specs > > * and we want to be (possibly bug-to-bug ;-]) compatible with older kernels > > * which used BIOS ordering, we are bound to do this... > > */ > > > >static void __devinit pcibios_sort(void) > > > >The problem is on my MB: > > > >00:00.0 Host bridge: Intel Corp. e7500 [Plumas] DRAM Controller (rev 03) > >00:00.1 Class ff00: Intel Corp. e7500 [Plumas] DRAM Controller Error Reporting ( rev 03) > >00:03.0 PCI bridge: Intel Corp. e7500 [Plumas] HI_C Virtual PCI Bridge (F0) (rev 03) > >00:03.1 Class ff00: Intel Corp. e7500 [Plumas] HI_C Virtual PCI Bridge (F1) (rev 03) > >00:1d.0 USB Controller: Intel Corp. 82801CA/CAM USB (Hub (rev 02) > >00:1d.1 USB Controller: Intel Corp. 82801CA/CAM USB (Hub (rev 02) > >00:1e.0 PCI bridge: Intel Corp. 82801BA/CA/DB PCI Bridge (rev 42) > >00:1f.0 ISA bridge: Intel Corp. 82801CA ISA Bridge (LPC) (rev 02) > >00:1f.1 IDE interface: Intel Corp. 82801CA IDE U100 (rev 02) > >00:1f.3 SMBus: Intel Corp. 82801CA/CAM SMBus (rev 02) > >01:0c.0 VGA compatible controller: ATI Technologies Inc Rage XL (rev 27) > >02:1c.0 PIC: Intel Corp. 82870P2 P64H2 I/OxAPIC (rev 03) > >02:1d.0 PCI bridge: Intel Corp. 82870P2 P64H2 Hub PCI Bridge (rev 03) > >02:1e.0 PIC: Intel Corp. 82870P2 P64H2 I/OxAPIC (rev 03) > >02:1f.0 PCI bridge: Intel Corp. 82870P2 P64H2 Hub PCI Bridge (rev 03) > >03:07.0 Ethernet controller: Intel Corp. 82546EB Gigabit Ethernet Controller (rev 01) > >03:07.1 Ethernet controller: Intel Corp. 82546EB Gigabit Ethernet Controller (rev 01) > >03:08.0 RAID bus controller: 3ware Inc 3ware 7000-series ATA-RAID (rev 01) > > > >Eth1 becomes: > >03:07.0 Ethernet controller: Intel Corp. 82546EB Gigabit Ethernet Controller (rev 01) > > > >and eth0 becomes: > >03:07.1 Ethernet controller: Intel Corp. 82546EB Gigabit Ethernet Controller (rev 01) > > > >Is that a good idea to have an option to sort the PCI device by PCI bus and > >slot numbers? > > > > > > Without answering your specific question, but addressing $subject, what > problem is caused by the PCI device order you see?
It is different from the hardware documentation. The hardware manual says it has 2 NICs, NIC 1 (03:07.0) and NIC2 (03:07.1), which makes senses to me. NIC 1 is a special one which supports IPMI over LAN. Since we only use one NIC now, we'd like to use NIC 1 and call it eth0.
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