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core dump generated with Perl errors segmentation faults
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Paras Pandey
Oct 22, 2019, 6:53:51 AM10/22/19
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I am using a customized OS based on Oracle Linux 6.10. I have few customized command that helps to find information like firewall rules,hardware information but if I run those command then coredumps are generated.
There are 4 core files found on the one of my OracleLinux6.10 server like core.top.myrole.34089.bt,core.hardwareshow.8944.bt,core.iprule.55835.bt.
Below are the error that say it is generated by top.myrole 'Program terminated with signal 6, Aborted/No symbol table info available':
10/15/2019 13:54:57 core.top.myrole.34089.bt
<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
top.myrole: No such file or directory.
Missing separate debuginfo for the main executable file
Try: yum --enablerepo='*-debug*' install
/usr/lib/debug/.build-id/81/7805fb3de3731d5c36c8f7da38040ee6d510ea
[New Thread 34090]
[New Thread 34089]
Core was generated by \top.myrole'.`
Program terminated with signal 6, Aborted.
#0 0x000000347960f00d in ?? ()
Thread 2 (Thread 34089):
#0 0x000000347960f00d in ?? ()
No symbol table info available.
#1 0x0000000000000001 in ?? ()
No symbol table info available.
After the above line 'No symbol table' error would now repeat for multiple threads.
Then found other coredump also generated while running a customized command 'hardwareshow'(this command is not linux command but it is customized within our distribution). The log shows that core was generated by '/usr/bin/perl /usr/product/bin/iprule show' :
10/14/2019 20:44:25, core.hardwareshow.8944.bt
warning: core file may not match specified executable file.
[New Thread 55835]
[Thread debugging using libthread_db enabled]
Core was generated by \/usr/bin/perl /usr/product/bin/iprule show--type=rule --protocol=ipv6 -'.Program terminated with signal 11, Segmentation fault.#0 0x0000003479a80829 in ?? () from /usr/lib64/perl5/CORE/libperl.so`
------------
10/14/2019 04:19:59, core.iprule.55835.bt
I checked the Perl version used in the machine and it seems it is Perl5 , (still needs to confirm if it`s 5.10).How do I address this issue, I heard from some Perl experts that Perl upgrade to a new version can help here still I would want to hear from multiple Linux developers/Perl Developers about this error.
There are 4 core files found on the one of my OracleLinux6.10 server like core.top.myrole.34089.bt,core.hardwareshow.8944.bt,core.iprule.55835.bt.
Below are the error that say it is generated by top.myrole 'Program terminated with signal 6, Aborted/No symbol table info available':
10/15/2019 13:54:57 core.top.myrole.34089.bt
<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
top.myrole: No such file or directory.
Missing separate debuginfo for the main executable file
Try: yum --enablerepo='*-debug*' install
/usr/lib/debug/.build-id/81/7805fb3de3731d5c36c8f7da38040ee6d510ea
[New Thread 34090]
[New Thread 34089]
Core was generated by \top.myrole'.`
Program terminated with signal 6, Aborted.
#0 0x000000347960f00d in ?? ()
Thread 2 (Thread 34089):
#0 0x000000347960f00d in ?? ()
No symbol table info available.
#1 0x0000000000000001 in ?? ()
No symbol table info available.
After the above line 'No symbol table' error would now repeat for multiple threads.
Then found other coredump also generated while running a customized command 'hardwareshow'(this command is not linux command but it is customized within our distribution). The log shows that core was generated by '/usr/bin/perl /usr/product/bin/iprule show' :
10/14/2019 20:44:25, core.hardwareshow.8944.bt
warning: core file may not match specified executable file.
[New Thread 55835]
[Thread debugging using libthread_db enabled]
Core was generated by \/usr/bin/perl /usr/product/bin/iprule show--type=rule --protocol=ipv6 -'.Program terminated with signal 11, Segmentation fault.#0 0x0000003479a80829 in ?? () from /usr/lib64/perl5/CORE/libperl.so`
------------
10/14/2019 04:19:59, core.iprule.55835.bt
I checked the Perl version used in the machine and it seems it is Perl5 , (still needs to confirm if it`s 5.10).How do I address this issue, I heard from some Perl experts that Perl upgrade to a new version can help here still I would want to hear from multiple Linux developers/Perl Developers about this error.
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