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SubjectRe: My thoughts on the "new development model"
Paolo Ciarrocchi <> disait dernièrement que :

>> To my mind, we only need to make clear that a stable kernel is a stable
>> kernel.
>> Not a kernel for experiments.
> 2.6 is not an experimental kernel. Not at all.

clearly do I agree.

>> To my mind, stock 2.6 kernels are nice for nerds trying patches and
>> willing to recompile their kernel once a day. They are not suitable for
>> servers. Several times on testing machines, switching from a 2.6 to the
>> next one has caused bugs on PCI, acpi, networking and so on.
> I don't understand what you mean here.
> Did you report these problems to lkml ?
> It's the firts time I heard about this kind of problems.

I will just add this:
we, young students from all horizons here at the ENS Cachan, run a huge network
(~900 hosts), with 4 important servers, all running 2.6. And my conclusion, as
I cannot speak for my fellow colleagues but think most would agree, is that
these servers behave *a* *lot* *better* since we switch. We had problems first
but they were mostly due to the switch to Debian testing distribution (from
old Woody).
Also we have a 4-way (bi-Xeon with HT) running 2.6.7, playing proxy squid to
serve our entire network, up since 131 days, with no problems; and the 2.6.x
switch was more a blessing than a pain in the butt, since 2.4.x just let him
play more and more in system time.... Thanks to sched domains and _real_ HT
scheduling support.

And these are production servers, no more no less.

>> The direction is lost. How many patchsets for vanilla kernel exist?
> It was the same for 2.4. And that's not _BAD_, is _GOOD_.

yup -mm, -ac existed in 2.4 series.
and do not forget that -mm series are a stage for patches aiming mainline,
not a special patchset among others.

>> Someone has decided that linux must go on desktops as well and
>> developing new magnificent features for desktop users is causing serious
>> problems to the ones who use linux at work on production servers.
> Who ?

Users decided, I guess :)

>> 2.4 tree is still the best solution for production.

I do not think so, I think it depends on the hardware you bear.

>> 2.6 tree is great for gentoo users who like gcc consuming all CPU
>> (maxumum respect to gentoo but I prefer debian)

huh ? what's the point ????
Our 2.6 servers run Debian testing with a little trouble.

Best regards, and hurray for Linux 2.6 series !!


"One of the great things about books is sometimes there are some fantastic

George W. Bush
January 3, 2000
Quoted in U.S. News & World Report.

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