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SubjectRE: Network error with Intel E1000 Adapter on update 2.4.25 ==> 2.6.3
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> experimenting with the driver source shows that the interrupt 
> displayed by ifconfig seems to depend on netdev->irq being
> set; this was removed during the netdev->irq ==>
> adapter->pdev->irq change. adding the following line corrects
> ifconfig display:

Caching pdev->irq in netdev->irq is problematic because pdev->irq can
change after registering for MSI interrupts, for example. netdev->irq
is vestigial from the days of manual irq assignment.

Bottom line is you'll not see the irq with ifconfig, but it'll be there
in /proc and lspci.

-scott
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