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    SubjectRe: PCI patch for 2.3.21
    Just wanted to report PCI problems with 2.3.21.  I have tried Martin
    Mares patch posted a couple of days ago; it did not help.

    Symptoms: Most of my PCI devices are not recognized or properly
    configured by 2.3.21 upon boot. I don't get any OOPses or crashes, but
    many devices don't work. The system is a Dell Latitude CPi D266XT
    Laptop. It works fine under 2.2.13 (up to and including pre16).

    Output of lspci under 2.2.13pre16:

    00:00.0 Host bridge: Intel Corporation 440BX/ZX - 82443BX/ZX Host bridge
    (AGP disabled) (rev 02)
    00:02.0 VGA compatible controller: Neomagic Corporation NM2160
    [MagicGraph 128XD] (rev 01)
    00:03.0 CardBus bridge: Texas Instruments PCI1131 (rev 01)
    00:03.1 CardBus bridge: Texas Instruments PCI1131 (rev 01)
    00:07.0 Bridge: Intel Corporation 82371AB PIIX4 ISA (rev 01)
    00:07.1 IDE interface: Intel Corporation 82371AB PIIX4 IDE (rev 01)
    00:07.2 USB Controller: Intel Corporation 82371AB PIIX4 USB (rev 01)
    00:07.3 Bridge: Intel Corporation 82371AB PIIX4 ACPI (rev 01)
    00:11.0 PCI bridge: Intel Corporation 82380FB (rev 01)
    01:05.0 IDE interface: CMD Technology Inc PCI0646 (rev 03)
    01:07.0 SCSI storage controller: Adaptec AIC-7860 (rev 03)
    01:08.0 Ethernet controller: 3Com Corporation 3c905 100BaseTX
    [Boomerang]

    Messages in /var/log/messages:

    Oct 12 23:34:12 host kernel: PCI: PCI BIOS revision 2.10 entry at
    0xfbbee
    Oct 12 23:34:12 host kernel: PCI: Using configuration type 1
    Oct 12 23:34:12 host kernel: PCI: Probing PCI hardware
    Oct 12 23:34:12 host kernel: PCI: Interrupt Routing Table found at
    0xc00fb8b0 [router type 8086/1234]
    Oct 12 23:34:12 host kernel: PCI: Cannot allocate resource region 0 of
    device 01:05.0
    Oct 12 23:34:12 host kernel: PCI: Cannot allocate resource region 1 of
    device 01:05.0
    Oct 12 23:34:12 host kernel: PCI: Cannot allocate resource region 2 of
    device 01:05.0
    Oct 12 23:34:12 host kernel: PCI: Cannot allocate resource region 3 of
    device 01:05.0
    Oct 12 23:34:12 host kernel: PCI: Cannot allocate resource region 4 of
    device 01:05.0
    Oct 12 23:34:12 host kernel: PCI: Cannot allocate resource region 0 of
    device 01:07.0
    Oct 12 23:34:12 host kernel: PCI: Cannot allocate resource region 1 of
    device 01:07.0
    Oct 12 23:34:12 host kernel: PCI: Cannot allocate resource region 0 of
    device 01:08.0
    Oct 12 23:34:12 host kernel: PCI: Assigned addresses 10000000-10000fff
    to region 00:03.0/0
    Oct 12 23:34:12 host kernel: PCI: Assigned addresses 10001000-10001fff
    to region 00:03.1/0
    Oct 12 23:34:12 host kernel: PCI: Cannot find parent resource for device
    01:05.0
    Oct 12 23:34:12 host atd: atd startup succeeded
    Oct 12 23:34:12 host kernel: PCI: Cannot find parent resource for device
    01:07.0
    Oct 12 23:34:12 host kernel: PCI: Cannot find parent resource for device
    01:07.0
    Oct 12 23:34:12 host kernel: PCI: Cannot find parent resource for device
    01:08.0
    [...]
    Oct 12 23:34:12 host kernel: Uniform Multi-Platform E-IDE driver
    Revision: 6.20
    Oct 12 23:34:12 host kernel: PIIX4: IDE controller on PCI bus 00 dev 39
    Oct 12 23:34:12 host kernel: PIIX4: not 100% native mode: will probe
    irqs later
    Oct 12 23:34:12 host kernel: ide0: BM-DMA at 0x0860-0x0867, BIOS
    settings: hda:DMA, hdb:pio
    Oct 12 23:34:12 host kernel: ide1: BM-DMA at 0x0868-0x086f, BIOS
    settings: hdc:pio, hdd:pio
    Oct 12 23:34:12 host kernel: CMD646: IDE controller on PCI bus 01 dev 28

    Oct 12 23:34:12 host kernel: CMD646: 100% native mode on irq 10
    Oct 12 23:34:12 host kernel: CMD646: IO baseregs (BIOS) are reported as
    MEM, report to <andre@suse.com>.
    Oct 12 23:34:12 host kernel: CMD646: port 0x01f0 already claimed by ide0

    Oct 12 23:34:12 host kernel: CMD646: IO baseregs (BIOS) are reported as
    MEM, report to <andre@suse.com>.
    [...]
    Oct 12 23:34:12 host kernel: CMD646: port 0x0170 already claimed by ide1

    Oct 12 23:34:12 host kernel: CMD646: neither IDE port enabled (BIOS)
    Oct 12 23:34:12 host kernel: hda: IBM-DADA-26480, ATA DISK drive
    Oct 12 23:34:12 host kernel: hdc: CD-ROM CDR_U200, ATAPI CDROM drive
    [...]
    Oct 12 23:34:12 host kernel: A 3Com network adapter has been found,
    however it has not been assigned an I/O address.
    Oct 12 23:34:12 host kernel: You may need to power-cycle the machine
    for this device to work!

    Info from /proc/interrupts (under 2.2.13pre16):

    CPU0
    0: 602457 XT-PIC timer
    1: 8557 XT-PIC keyboard
    2: 0 XT-PIC cascade
    3: 4 XT-PIC 3c589_cs
    5: 1 XT-PIC soundblaster
    9: 2 XT-PIC i82365
    10: 34455 XT-PIC eth0
    12: 76564 XT-PIC PS/2 Mouse
    13: 1 XT-PIC fpu
    14: 15564 XT-PIC ide0
    15: 7 XT-PIC ide1
    NMI: 0


    I would love to help out debugging the 2.3 series, but I can't help much
    when the PCI support doesn't work. I am more than willing to provide
    further info, run further tests, etc -- whatever anyone wants me to do.




    Cheers,

    Chris Shutters
    cshutters@dmwworldwide.com



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