The processes using the filesystem becomes unresponsive and the following messages are logged by the kernel.
XFS: rsync(12542) possible memory allocation deadlock size 65728 in kmem_alloc (mode:0x250)
Ceph OSD are terminating and following messages are logged by the kernel.
XFS: possible memory allocation deadlock in kmem_alloc (mode:0x8250)
Note: details of the process and size of allocation were added in 3.10.0-514.el7 (RHEL7.3).
Red Hat Ceph Storage 1.3
- kernel 3.10.0-123.20.1.el7
Red Hat Enterprise Linux 7
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