Re: glibc regression on alpha with 2.34+

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> On 20 Nov 2022, at 12:48, Frank Scheiner <[email protected]> wrote:
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> =EF=BB=BFOn 20.11.22 10:03, Michael Cree wrote:
>>> On Sun, Nov 13, 2022 at 12:45:17AM +0100, John Paul Adrian Glaubitz wrot=
e:
>>> I just noticed that there is a regression in glibc on alpha with version=
 2.34 or later.
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>>> Looking at the build logs for Debian's 2.34-8 [1], 2.35-4 [2] and 2.36-4=
 [3], it's obvious
>>> there is something wrong given the many "Segmentation Fault" errors.
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>>> I had hoped I could fix this issue by passing "--disable-default-pie" li=
ke we already did
>>> on sparc64, but it seems it's not the same bug [4]. At least, this parti=
cular workaround
>>> does not help.
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>> Interestingly the vast number of the failing tests pass if one builds
>> with a compiler that raises the baseline to EV67.  This has been
>> proposed a number of times in the past for the Debian distribution.
>> I think it is time we did it.  One of our last EV56 users has recently
>> bowed out due to hardware failure and I am only running EV67 hardware.
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> I still have the following pre EV67 machines available and in working orde=
r:
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> * AXPpci 33 (LCA4)
> * AlphaStation 200 (EV4) / 255 (EV45) / 500 (EV56)
> * PWS 500au (EV56)
> * AlphaServer 800 (EV56)
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> ...and can provide testing on them. All of them eventually ran Debian
> GNU/Linux Sid with up to Linux 5.x.x IIRC and I will also try them with
> 6.0.x. And I believe the majority of still exsiting, still working Alpha
> systems are pre EV67 systems.
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> Given the fact that EV6[...] and EV7[...] based systems are nowadays
> very expensive for hobby use (I don't want to say unobtainium), I expect
> that dropping support for pre EV67 will kill off most of the user base
> for Debian on Alpha (and also Gentoo I assume).
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> Phrasing it differently:
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> Who needs a port that only runs on the buildds and a handful of
> (hobbyist) machines around the world (like ppc64le ;-))?
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> My two cents.
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> All the best,
> Frank
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