Bug#995020: macaulay2: autopkgtest regression and flaky test: SIGSEGV

[Paul Gevers]

Hi Torrance,

On 24-09-2021 22:30, Torrance, Douglas wrote:
> I had noticed this as well.  My guess is that it has something to do with
> the transition of ntl.  libntl43 is in testing, and libntl44 recently
> appeared
> in unstable.  The unstable autopkgtests, using only libntl44, run without
> issue, e.g., [1], but the testing autopkgtests, which use both, have these
> segfaults.  We even see both soname versions appearing in the stacktrace:

But as the transition isn't finished yet, we'd keep both versions of
libntl in testing. So, what's loading the old one?

>>  3# NTL::UniqueArray<NTL::UniquePtr<NTL::FFTPrimeInfo,
>> NTL::DefaultDeleterPolicy> >::~UniqueArray() in
>> /lib/x86_64-linux-gnu/libntl.so.44
>>  4# __cxa_finalize in /lib/x86_64-linux-gnu/libc.so.6
>>  5# 0x00007F02080D25B3 in /lib/x86_64-linux-gnu/libntl.so.43
> 
> I'm hopeful that once ntl 11.5.1-1 migrates to testing (which is
> imminent, as
> today is day 5 of 5), this issue will be resolved.

Please don't miss my "flaky" note. That's an RC bug in it's own right.

Paul

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