Kdump fails to save vmcore into a disk of non-zero segment number
Issue
- Kdump fails if the segment number of a disk where kdump tries to save vmcore is not zero. Kdump cannot recognize the target disk and fails with the following message.
PCI: not using MMCONFIG
PCI: Using configuration type 1 for base access
(snip)
dracut-pre-pivot[3146]: device node not found
kdump: dump target is
kdump: error: Dump target is not mounted.
kdump: saving vmcore failed
Rebooting.
Environment
- Red Hat Enterprise Linux 7.0
- A system with multiple PCI segment groups
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