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

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Message-ID: <48D697F5.9050802@acedsl.com>
Date:	Sun, 21 Sep 2008 14:52:37 -0400
From:	Wei Weng <wweng@...dsl.com>
To:	Arjan van de Ven <arjan@...radead.org>
CC:	Evgeniy Polyakov <johnpol@....mipt.ru>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, ipw2100-devel@...ts.sourceforge.net,
	linux-wireless@...r.kernel.org, yi.zhu@...el.com,
	reinette.chatre@...el.com, jgarzik@...ox.com,
	linville@...driver.com, davem@...emloft.net
Subject: Re: Mark IPW2100 as BROKEN: Fatal interrupt. Scheduling firmware
 restart.

Arjan van de Ven wrote:
> On Sun, 21 Sep 2008 22:28:38 +0400
> Evgeniy Polyakov <johnpol@....mipt.ru> wrote:
> 
>> On Sun, Sep 21, 2008 at 11:04:22AM -0700, Arjan van de Ven
>> (arjan@...radead.org) wrote:
>>> 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?
>> And how else user can get attention to the problem which is not fixed
>> by the vendor? 
> 
> ... or the community
> 
>> We close our eyes and there is no problem, since we do
>> not see it. I just brought a lamp: no user can see that essentially
>> driver is broken so he can run it on his own risk.
>>
>>> 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)
>> It stops after several seconds (or packets?). Sometimes (but rarely)
>> it works several minutes, sometimes it fires above dmesg line and
>> continues to work, sometimes it fires it for a while and then stops
>> writing it, although driver does not send or receive anything (at
>> least ifconfig counters do not change).
> 
> again.. so how about you detect this condition and do, in the driver
> code, the equivalent of rmmod/insmod to the hardware. I'm sure people
> who have the hardware would appreciate that type of patch a lot more
> than the one you sent out.
> 

I guess it is your way of "middle finger" to all the IPW2100 customers who try
to use it on a Linux machine.


Thanks
Wei


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