Re: Good luck when RedHat 7.0 comes out (was RE: test5 oops after kswapd)...

From: Jes Sorensen (
Date: Fri Aug 04 2000 - 09:46:45 EST

>>>>> "Matthias" == Matthias Andree <> writes:

Matthias> On Tue, 01 Aug 2000, Jes Sorensen wrote:
>> Just because it seems to compile the specific configuration you are
>> using does NOT mean it will compile everything else correctly. Is
>> that really so hard to understand?

Matthias> No, that's evident. Still, if you don't try it because
Matthias> someone (you) considers it unsupported, you won't fix
Matthias> it. Neither the kernel nor gcc.

Matthias> I have compiled every so many Gigs of source code with gcc
Matthias> 2.95.2, and the only time something broke was when AT&T's
Matthias> graphviz was nuked by LC_COLLATE=de_DE.ISO-8859-1 that had a
Matthias> different notion of how to sort spaces than LC_COLLATE=POSIX
Matthias> had.

Compiling gigs of source code doesn't probe a thing.

Matthias> Still, gcc 2.95.2 has not yet trapped me although I use -O6
Matthias> -march=pentium -mcpu=k6 on everything but the kernel, which
Matthias> sticks to whatever the Makefile considers appropriate.

I am beginning to wonder if you really know what you are doing. Do you
actually know what -O6 does? Automatically unrolling loops and
inlining functions behind your back is not necessarily something you
want on a modern CPU.

Matthias> go use 2.95.2 and see where it bombs and fix the
Matthias> offender. Heck, gcc 2.95.2 cannot be all that buggy, why
Matthias> would FreeBSD 4.x work if it was?

I use 2.96 every day and I frequently report bugs in it, on the ia64!
I do not use it on 2.2.x kernels for the x86 because of the well known


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