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Postings from December 2010
On 28 Dec 2010, at 23:52, Russ Weight (via RT) wrote:
> In the context of our system test suite, we are repeatedly hitting
> a hang on a perl script. We have a lot of debug statements in the
> script, but output stops, sometimes in the middle of an output
> string. ps shows that execution time is continuing to increase.
I'm assuming your code (or a module it uses) sets $SIG{SEGV}.
> We are using perl-5.8.8-32.el5_5.2.x86_64.rpm
This is particularly old. Your issue would probably be fixed by:
http://perl5.git.perl.org/perl.git/commitdiff/853d2c326bb0bf43f54320164d14d9db228c8eef
The bug the associated mailing list post references is another issue where perl loops: https://qa.mandriva.com/show_bug.cgi?id=18087
A workaround which might work on 5.8 would be to use POSIX's sigaction interface as this allows you to use unsafe signals for a specific signal. (Although it's likely there is another bug causing the actual segfault, but at least it should be easier to debug with this).
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