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    SubjectRe: 2.6.12 breaks 8139cp
    Date
    On Thursday 23 June 2005 11:17 am, Roberto Oppedisano wrote:
    > I'm seeing the same problem with 8139cp (everithing seems fine, mii-tool
    > works, but only seldom packets are received from the device). Last good
    > kernel for me was 2.6.11-bk4. I tried pci=routeirq on 2.6.12, but made
    > no difference. Here's lscpi output (on 2.6.11-bk4).

    > 0000:02:00.0 FireWire (IEEE 1394): VIA Technologies, Inc. IEEE 1394 Host Controller (rev 80)
    > 0000:02:01.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 20)

    You have a VIA device with dev/function == 0, so 2.6.11 will do the
    VIA IRQ fixup for all devices. 2.6.12 will do it only for VIA
    devices. Can you try the attached patch for debugging purposes?
    Index: work/drivers/pci/quirks.c
    ===================================================================
    --- work.orig/drivers/pci/quirks.c 2005-06-21 13:43:29.000000000 -0600
    +++ work/drivers/pci/quirks.c 2005-06-23 10:40:55.000000000 -0600
    @@ -510,7 +510,7 @@
    pci_write_config_byte(dev, PCI_INTERRUPT_LINE, new_irq);
    }
    }
    -DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_ANY_ID, quirk_via_irq);
    +DECLARE_PCI_FIXUP_ENABLE(PCI_ANY_ID, PCI_ANY_ID, quirk_via_irq);

    /*
    * PIIX3 USB: We have to disable USB interrupts that are
    \
     
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