2.4 kernel pci hot-swap fails on Acer TM C100

From: Luke Kenneth Casson Leighton (lkcl_at_lkcl.net)
Date: 01/13/04

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    Date:	Tue, 13 Jan 2004 18:20:13 +0000
To: linux-kernel@vger.kernel.org

    hi, thought someone might like to take a look some time at the
    pci hot-plug code to cope for "instantaneous" hotplugging.

    the acer c100 travelmate has built-in ethernet _and_ wireless,
    with a button on the keyboard that hot-swaps the PCI bus between
    the two devices.

    the first device is an rtl8139, the second device is a 3.3v
    texas instruments PCMCIA chip with an orinoco hermes 802.11b
    wireless behind that.

    whilst the PCI devices change, pretty much instantly when
    the button is pressed, the IRQ doesn't.

    thought someone might like to know, because hot-swapping between
    the rtl8139 and the hermes devices definitely doesn't work: the
    kernel must be started with one or the other.

    swapping back doesn't work either [pressing the button twice]:
    if swapping from rtl8139 to hermes and back you get ethernet
    timeout messages.

    l. 

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