Bug#954715: glibc: FTBFS: tests failed: signal/tst-minsigstksz-1 signal/tst-minsigstksz-2

[Florian Weimer <fw@deneb.enyo.de>]

* Lucas Nussbaum:

> Source: glibc
> Version: 2.30-2
> Severity: serious
> Justification: FTBFS on amd64
> Tags: bullseye sid ftbfs
> Usertags: ftbfs-20200322 ftbfs-bullseye
>
> Hi,
>
> During a rebuild of all packages in sid, your package failed to build
> on amd64.

>> FAIL: signal/tst-minsigstksz-1
>> FAIL: signal/tst-minsigstksz-2

----------
----------
FAIL: signal/tst-minsigstksz-1
original exit status 1
Didn't expect signal from child: got `Segmentation fault'
----------
----------
FAIL: signal/tst-minsigstksz-2
original exit status 1
Incorrect signal from child: got `Segmentation fault', need `Aborted'


The build host has this CPU:

model name      : Intel(R) Xeon(R) Platinum 8175M CPU @ 2.50GHz

This CPU supports AVX-512, and the minimum signal stack size is not
large enough for the amount of data the kernel saves on the stack.

  <https://bugzilla.kernel.org/show_bug.cgi?id=153531>