XFS issues "possible memory allocation deadlock in kmem_alloc" messages

Solution Unverified - Updated -


  • 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.


  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • XFS

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In