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system() in threads causes segmentation fault #8155
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From t-ikegami@aist.go.jpCreated by ikegami@fsvc001.asc.hpcc.jpWith perl 5.8.7 running under Linux 2.4, the following code ends up #!/usr/bin/perl The symptom is highly stochastic; the number of "." printed before the The symptom seems not to be observed on Linux 2.6 machine (Dual #!/usr/bin/perl It occurs far less frequent, but some threads happens to be blocked at It is not certain, but with perl 5.8.6, the symptom is not observed so Stack trace after the segmentation fault with the first code goes like Program received signal SIGSEGV, Segmentation fault. Program received signal SIGSEGV, Segmentation fault. Perl Info
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From @HugmeirOn Mon Oct 17 06:31:55 2005, t-ikegami@aist.go.jp wrote:
x86:/usr/pgi/linux86/5.2/bin:/usr/local/ngv2/bin:/opt/intel_fc_80/bin:/opt/intel_idb_73/bin:/opt/intel_cc_80/bin:/usr/local/gt/bin:/usr/local/gt/sbin:/usr/local/bin:/bin:/usr/bin:/usr/X11R6/bin
I can't reproduce this, but I'm testing on rather different |
The RT System itself - Status changed from 'new' to 'open' |
From t-ikegami@aist.go.jpDear Brian,
It is not reproducible on my side, too. If I remember correctly, the root cause of the segv was on the system regards, From: "Brian Fraser via RT" <perlbug-followup@perl.org>
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From @HugmeirOn Fri May 25 15:16:18 2012, t-ikegami@aist.go.jp wrote:
Well, I'm not sure if we can close this ticket then. Maybe someone wants In any case, thank you for the follow up! Much appreciated. --hugmeir |
@Hugmeir - Status changed from 'open' to 'stalled' |
From @LeontOn Sat, May 26, 2012 at 1:10 AM, Brian Fraser via RT
system is defined as non-threadsafe in POSIX, and though our system is Leon |
The RT System itself - Status changed from 'stalled' to 'open' |
Migrated from rt.perl.org#37460 (status was 'open')
Searchable as RT37460$
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