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Re: Bug#397139: ftbfs alpha + ia64



On Mon, 6 Nov 2006, Falk Hueffner wrote:
Steve Langasek <vorlon@debian.org> writes:
On Sun, Nov 05, 2006 at 01:56:28PM +0100, maximilian attems wrote:
{standard input}:372: Error: macro requires $at register while noat in effect
make[5]: *** [arch/alpha/kernel/core_cia.o] Error 1
make[4]: *** [arch/alpha/kernel] Error 2

Taking a look at the assembler output for core_cia, this is due to use of
the ldbu, ldwu, stb, and stw instructions in asm-alpha/compiler.h, which are
instructions specific to ev56 and above.  They are also guarded in the
[...]
Since the errors from the assembler really indicate that these instructions
are not supported by the ev5 (gcc-4.0 has the same problem assembling the
gcc-4.1 output as gcc-4.1 itself does, due to the .arch ev5 declaration),
and this kernel code hasn't changed recently that I see, it seems to be the
case that ev5 processors are already unsupported by the current kernel in
etch.  Given that no one has complained about this to date (at least that
I'm aware of), is it time to explicitly bump the baseline on alpha to ev56
for etch?

I'm not opposed to this, in fact I was planning to suggest this for
etch+1. However, this particular problem should be reasonably easy to
fix, so if anybody speaks up for ev5, we should give it a try...

I'm running a DNS server on an EV5. (AlphaStation 500/333) It's running unstable, but on an old, self-compiled kernel, so I haven't had trouble yet.

I don't know of anyone else running Debian on an EV5, and I don't really have a strong reason for continuing to use this box over an EV56 or even a different arch.

I'll gladly test debian kernels, and keep it more up to date, if that would be useful.

Ivan



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