Re: glibc regression on alpha with 2.34+

[Frank Scheiner <frank.scheiner@web.de>]

Hi Adrian,

On 15.12.22 11:06, Frank Scheiner wrote:
> Hi,
>
> On 15.12.22 11:02, John Paul Adrian Glaubitz wrote:
> > Hi!
> >
> > On 12/15/22 10:49, Frank Scheiner wrote:
> > > Maybe adding [1] might help, but the patch actually removes it.
> >
> > It's missing this hunk:
> >
> > diff --git a/sysdeps/unix/sysv/linux/sysconf-sigstksz.h 
> > b/sysdeps/unix/sysv/linux/sysconf-sigstksz.h
> > index 64d450b22c..4552e77d59 100644
> > --- a/sysdeps/unix/sysv/linux/sysconf-sigstksz.h
> > +++ b/sysdeps/unix/sysv/linux/sysconf-sigstksz.h
> > @@ -21,7 +21,7 @@
> >   static long int
> >   sysconf_sigstksz (void)
> >   {
> > -  long int minsigstacksize = GLRO(dl_minsigstacksize);
> > +  long int minsigstacksize = 4096 ; //GLRO(dl_minsigstacksize);
> >     assert (minsigstacksize != 0);
> >     _Static_assert (__builtin_constant_p (MINSIGSTKSZ),
> >                    "MINSIGSTKSZ is constant");
> >
> > I was experimenting with a custom sysconf-sigstksz.h like on ia64 
> > which I forgot to purge, sorry.
>
> Ok, I will use this and run it again.

I renamed the build directory to reflect that the build was optimized 
for EV67. The result confirms your findings:

```
root@ds15:/srv/storage/build# 
LD_LIBRARY_PATH=$PWD/glibc-2.34-plus-patch-ev67 /bin/bash
Floating point exception
```

Cheers,
Frank