XFS issues "possible memory allocation deadlock in kmem_alloc" messages

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Issue

Seeing file system access issues on XFS based file systems.
dmesg shows continuous entries with:
```
XFS: possible memory allocation deadlock in kmem_alloc (mode:0x250)
```
A reboot to try to run xfs_check kept hanging and a force core dump from virtual serial console was required.

Environment

Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
XFS

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