Bug#1142815: libipc-shareable-perl: autopkgtest uses insane amount of memory on loong64

gregor herrmann <[email protected]> Sat, 8 Aug 2026 23:12:47 +0200

Newsgroups	gmane.linux.debian.devel.bugs.rc
Message-ID	<anebz-TM6AicHN3G__46003.4219942585$1786223716$gmane$org@jadzia.comodo.priv.at>

Control: retitle -1 libipc-shareable-perl: t/65-seg_size.t uses insane amount of memory on loong64

On Fri, 07 Aug 2026 12:16:14 +0200, Paul Gevers wrote:

>On 07-08-2026 00:07, gregor herrmann wrote:
>>Did you have a chance to see in top, which process/test was the culprit?
>No, but I ran it again to capture it. The output halts here:

Thanks, much appreciated!

>t/64-nested_segs_untidy.t ..
…
>ok 14 - Shared memory hash matches test data ok
>1..14
>ok

>root@elbrus:/# ps faux
>USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
…
>root         601 32.8 53.2 1953147760 70989856 pts/5 D+ 10:05   1:12  >\_ /usr/bin/perl t/65-seg_size.t

So it's t/65-seg_size.t again.

"Again" because this test already has a patch to be skipped on 32bit 
platforms, which was adopted upstream in the new release (at a 
slightly different position in the renamed tests but with the same 
effect).

That means that I don't expect any improvement by the new upstream 
release at first sight.

Now we either need to find out what's different on loong64 (staring 
at the output of `perl -V' didn't show anything obvious to me) or we 
can skip the test (in general or on loong64).

>>Also there's a new upstream release, but that's more of a rewrite 
>>and I don't dare to guess if it changes the problem. Maybe we should 
>>just try, but I don't want to kill the poor loong64 CI hosts …
>Well, the package is currently on the reject_list on loong64, so don't 
>worry about that. I can schedule it when you let me know.

Oh, good to know, and thanks for the offer.

Cheers,
gregor

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