Kdump fails to save vmcore but manages to save vmcore-dmesg.
Issue
- After making changes to kdump configuration, the system is unable to save the vmcore file but is able to save the vmcore-dmesg file.
- The kdump fails to save the vmcore even after successful generation of crash kernel.
- The same kdump configuration fails to work while works on other with identical configuration.
Environment
- Red Hat Enterprise Linux 7
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