Kdump only generates vmcore-dmesg.txt due to an erroneous entry in makedumpfile's command line
Issue
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Kdump is not generating a vmcore with the below line in kdump.conf:
core_collector makedumpfile -d 31 –c -
/var/crash only contains vmcore-dmesg.txt after testing Kdump.
Environment
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Red Hat Enterprise Linux 5
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Red Hat Enterprise Linux 6
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Red Hat Enterprise Linux 7
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