4th RTL8139 card isn't working

[Milan Hodoscek]

>>>>> "Donald" == Donald Becker <becker@scyld.com> writes:


    >> How do I change the irq? Via the bios I can't assign an
    >> interrupt to a specific slot. Are there module options to do
    >> that?
    >> 
    >> Changing the irq with ifconfig does not work: # ifconfig eth3
    >> irq 9 SIOCSIFMAP: Operation not supported

    Donald> The BIOS sets the INT to IRQ mapping.  Only the BIOS knows
    Donald> how the motherboard is wired -- the driver cannot change
    Donald> the IRQ.  See
    Donald> http://cesdis.gsfc.nasa.gov/linux/misc/irq-conflict.html

    Donald> But that's not your problem.  Your problem is likely that
    Donald> the fourth slot is not a bus master slot.  The RTL8139 is
    Donald> a bus master and requires a bus-master-capable slot.

While we are at it: Is it possible to share busmastering? Some (or all?)
ABIT motherbords have tvo slots sharing busmastering, which means that
RTL8139 drivers don't work if you put cards into both such slots.

Milan Hodoscek
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