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    SubjectRe: Mark IPW2100 as BROKEN: Fatal interrupt. Scheduling firmware restart.
    On Sun, 21 Sep 2008 21:23:17 +0400
    Evgeniy Polyakov <johnpol@2ka.mipt.ru> wrote:

    > Hi.
    >
    > Following bug exists in the ipw2100 driver/firmware for years and
    > Intel folks never responded to zillions bugzilla entries and forum
    > notices in the internet with some patch or firmware update (although
    > did request dmesg and debug info, and received them).
    >
    > ipw2100: Fatal interrupt. Scheduling firmware restart.
    >
    > I believe it is a firmware bug because after driver is unloaded and
    > loaded back again wireless adapter usually starts working (for small
    > amount of time though).
    \
    > diff --git a/drivers/net/wireless/Kconfig
    > b/drivers/net/wireless/Kconfig index 9931b5a..c24fc6a 100644
    > --- a/drivers/net/wireless/Kconfig
    > +++ b/drivers/net/wireless/Kconfig
    > @@ -125,7 +125,7 @@ config PCMCIA_RAYCS
    >
    > config IPW2100
    > tristate "Intel PRO/Wireless 2100 Network Connection"
    > - depends on PCI && WLAN_80211
    > + depends on PCI && WLAN_80211 && BROKEN
    > select WIRELESS_EXT
    > select FW_LOADER
    > select IEEE80211
    >

    so now you go from an occasional burp to having nothing at all.
    How about you run with this patch on your own machine only?

    or.. since you say a reload of the driver fixes it.. why don't you make
    a patch for the driver that does basically the actions of a reload
    automatically when the driver detects the issue?
    (and stick a WARN_ON in for good measure so that kerneloops.org can
    start tracking these burps)

    --
    Arjan van de Ven Intel Open Source Technology Centre
    For development, discussion and tips for power savings,
    visit http://www.lesswatts.org


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