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Re: glibc regression on alpha with 2.34+



Dear Michael,

On 12.12.22 08:27, Michael Cree wrote:
On Sun, Nov 20, 2022 at 01:47:59PM +0100, Frank Scheiner wrote:
On 20.11.22 10:03, Michael Cree wrote:
On Sun, Nov 13, 2022 at 12:45:17AM +0100, John Paul Adrian Glaubitz wrote:
I just noticed that there is a regression in glibc on alpha with version 2.34 or later.

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.

I still have the following pre EV67 machines available and in working order:

* AXPpci 33 (LCA4)
* AlphaStation 200 (EV4) / 255 (EV45) / 500 (EV56)
* PWS 500au (EV56)
* AlphaServer 800 (EV56)

...and can provide testing on them. All of them eventually ran Debian

Can you fix the ev4 based bugs in glibc?  If not, I am not interested.

I already told you what I can provide.

With the usrmerge uploads now depending on a recent libc version Alpha
is now dead in the water.  Nothing can be built.  Thus we have to fix
glibc to continue building.

I am not prepared to fix ev4 issues so if no one else is prepared to
fix them then without a architecture baseline raise this is the end
of Alpha on Debian Ports.

I'm not sure I fully understand the issue here:

See, glibc used to work for alpha up until 2.33 as I read. Then a change
broke it for alpha with 2.34. Does the respective glibc maintainer for
alpha (Richard Henderson according to [1]) really have no interest in
fixing it?

[1]: https://sourceware.org/glibc/wiki/MAINTAINERS#Machine_maintainers

Cheers,
Frank


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