linux-kernel - Re: sk98lin for 2.6.23-rc1

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Message-ID: <Pine.LNX.4.64.0707261550500.27722@potato.cts.ucla.edu>
Date:	Thu, 26 Jul 2007 15:58:39 -0700 (PDT)
From:	Chris Stromsoe <cbs@....ucla.edu>
To:	Adrian Bunk <bunk@...sta.de>
cc:	Kyle Rose <krose@...mai.com>, linux-kernel@...r.kernel.org
Subject: Re: sk98lin for 2.6.23-rc1

On Thu, 26 Jul 2007, Adrian Bunk wrote:
> On Thu, Jul 26, 2007 at 11:16:36AM -0400, Kyle Rose wrote:
>>> From http://www.krose.org/~krose/computing.html:
>>
>> Since the sky2 driver continues to suck ass (which is a technical 
>> description for "it hangs all the time under load, at least on my 
>> hardware" :-) ), I've fixed the sk98lin driver to compile for 
>> linux-2.6.23-rc1. Those who continue to have problems with sky2 can 
>> still use 2.6.23-rc1, simply by doing the following: ... Personally, 
>> I'd like to see sk98lin remain in the kernel proper until sky2 goes at 
>> least 6 months without reported problems.  The fact that I am not the 
>> only one still seeing issues is a clear indication that sky2 (even with 
>> the recent patches in 2.6.23-rc1) is not yet ready to replace sk98lin. 
>> ...
>
> This sounds good in theory.
>
> The practical problem with this approach is that there are always many 
> people who use the old driver when the new driver doesn't work for them 
> instead of reporting their problems with the new driver.

I have a number of SK-9844 "SK-NET GE-SX dual link" cards.  skge has never 
worked with the cards.

The following sequence locks up the machine completely (power cycle to get 
it back) with 2.6.22.1:

fresno:~# modprobe skge
fresno:~# ip li set eth2 up
fresno:~# ip li set eth2 down
fresno:~# ip li set eth3 up

This works just fine:

fresno:~# rmmod skge
fresno:~# modprobe sk98lin RlmtMode=DualNet
fresno:~# ip li set eth2 up
fresno:~# ip li set eth2 down
fresno:~# ip li set eth3 up
fresno:~# ip li set eth3 down


eth2 and eth3 are ports off the sk-9844.

I've been reporting the problem since March.  If sk98lin is removed, I 
won't have networking.



-Chris
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