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Re: Mark IPW2100 as BROKEN: Fatal interrupt. Scheduling firmware restart.

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On Sun, 21 Sep 2008 21:23:17 +0400
Evgeniy Polyakov <johnpol@xxxxxxxxxxx> 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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