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Ernie Pasveer
35 lines
1021 B
Plaintext
35 lines
1021 B
Plaintext
README for dealing with coredumps.
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A good link:
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https://stackoverflow.com/questions/17965/how-to-generate-a-core-dump-in-linux-on-a-segmentation-fault
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https://www.suse.com/support/kb/doc/?id=000015982
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On my system, core files are put here:
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erniep@gracie:~/Development/Peak/src/seer/tests/hellosegv$ ./hellosegv
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XX: 0 ./hellosegv
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Hello, World!42
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Segmentation fault (core dumped)
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erniep@gracie:~/Development/Peak/src/seer/tests/hellosegv$ ls -l /var/local/dumps/
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total 232
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-rw------- 1 erniep users 507904 Mar 10 22:20 core.hellosegv.26205
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As per this linux config setting:
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gracie:~ # sysctl kernel.core_pattern
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kernel.core_pattern = /var/local/dumps/core.%e.%p
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Quick setup:
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The quick step guide for this is as follows. Some as root.
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Run:
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% ulimit -c unlimited
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% install -m 1777 -d /var/local/dumps
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% echo "/var/local/dumps/core.%e.%p"> /proc/sys/kernel/core_pattern
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% rcapparmor stop
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% sysctl -w kernel.suid_dumpable=2
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