linux-kernel - Re: sk98lin for 2.6.23-rc1

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Message-ID: <20070905102230.10b0bdcf@oldman>
Date:	Wed, 5 Sep 2007 10:22:30 +0100
From:	Stephen Hemminger <shemminger@...ux-foundation.org>
To:	Rob Sims <lkml-z@...sims.com>
Cc:	Adrian Bunk <bunk@...sta.de>, Kyle Rose <krose@...mai.com>,
	linux-kernel@...r.kernel.org
Subject: Re: sk98lin for 2.6.23-rc1

On Sun, 29 Jul 2007 21:01:30 -0600
Rob Sims <lkml-z@...sims.com> wrote:

> On Thu, Jul 26, 2007 at 06:57:01PM +0200, 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.
> > 
> > For these people a new driver will often suck when the old driver gets 
> > removed, but after the removal of the old driver they are finally forced 
> > to report their bugs resulting in a better new driver for everyone.
> > 
> > The sky2 driver is since nearly 2 years in the kernel and Stephen is 
> > usually quite good at handling bugs.
> 
> The driver still (2.6.20/sky2 1.13) hangs for me (more rarely than in
> the past), and cycling the module generally fixes the issues.  I have
> supplied all the information that Stephen has asked for, but still no
> resolution.  I am not complaining about the lack of a fix, but don't
> assume that all it takes to get sky2 working is adequate bug reports.  I
> have been and remain willing to test and assist debug, but after several
> dropped threads, I feel like the desire or ability to fix this issue
> isn't there (and remote debug of an intermittent hardware issue IS
> hard), and I didn't want to be a nuisance to someone that has no
> obligation to me to address the issue in the first place.
> 
> Stability has improved, it's just not there yet.
> 
> I'll switch to 1.16 soon, and respond to Stephen's request on netdev for
> current issues.
> -- 
> Rob

The only known outstanding problems on 2.62.22.6 of sky2 are:
 * problems with fibre PHY based systems
 * suspend/resume issues, missing multicast reinitalization, etc.
The previous stability problems have been addressed.
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