Date: Thu, 6 Jan 2005 12:38:00 -0200
From: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
To: William Lee Irwin III <wli@holomorphy.com>
Cc: "Theodore Ts'o" <tytso@mit.edu>, Adrian Bunk <bunk@stusta.de>,
       Diego Calleja <diegocg@teleline.es>, Willy Tarreau <willy@w.ods.org>,
       davidsen@tmr.com, aebr@win.tue.nl, solt2@dns.toxicfilms.tv,
       linux-kernel@vger.kernel.org
Subject: Re: starting with 2.7
Message-ID: <20050106143800.GL20203@logos.cnet>
References: <20050103053304.GA7048@alpha.home.local> <20050103142412.490239b8.diegocg@teleline.es> <20050103134727.GA2980@stusta.de> <20050104125738.GC2708@holomorphy.com> <20050104150810.GD3097@stusta.de> <20050104153445.GH2708@holomorphy.com> <20050104165301.GF3097@stusta.de> <20050104210117.GA7280@thunk.org> <20050106094519.GD20203@logos.cnet> <20050106165908.GA9636@holomorphy.com>
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On Thu, Jan 06, 2005 at 08:59:08AM -0800, William Lee Irwin III wrote:
> On Thu, Jan 06, 2005 at 07:45:19AM -0200, Marcelo Tosatti wrote:
> > You got to be kidding now?
> > 99% of the features distributions have applied to their 2.4 based kernels 
> > are "enterprise" features such as direct IO, AIO, etc.
> > Really I can't recall any "attempt to make 2.4 stable" from the distros,
> > its mostly "attempt to backport nice v2.6 feature".
> > Do you have any example?
> [tytso's comments elided]
> > It took sometime to happen, but instability related to "high memory
> > pressure" has been fixed in almost all cases long ago (the only
> > remaining issue to my knowledged is loopback device with highmemory).
> > I hardly see complaints of "crashes under load" problems since
> > v2.4.19/20 or so.
> 
> I am unfortunately holding 2.4.x' earlier history against it. While you
> were maintaining it, much of what we're discussing was resolved.
> Unfortunately, the stabilization you're talking about was essentially
> too late; distros had long-since wildly diverged, they had frozen on
> older releases, and the damage to Linux' reputation was already done.
> I'm also unaware of major commercial distros (e.g. Red Hat, SuSE) using
> 2.4.x more recent than 2.4.21 as a baseline, and it's also notable that
> one of the largest segments of the commercial userbase I see is using a
> distro kernel based on 2.4.9.

I agree.

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