kdump does not start on RHEL 5 when ext4 is used as a dump target

Solution Unverified - Updated -

Issue

  • kdump does not start during boot or when using service kdump start on RHEL 5, when using ext4 file systems as a dump target. Instead, the following type of errors are seen: 
# service kdump start
No kdump initial ramdisk found.                            [WARNING]
Rebuilding /boot/initrd-2.6.18-308.13.1.el5kdump.img
mount: /dev/hda1 already mounted or /tmp/tmp.CQBbIv6131 busy
mount: according to mtab, /dev/hda1 is mounted on /var/crash
/etc/kdump.conf: Bad mount point /dev/hda1
Failed to run mkdumprd

Environment

  • Red Hat Enterprise Linux (RHEL) 5.8
  • kexec-tools-1.102pre-154.el5
  • EXT4

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