XFS filesystem deadlock while creating a new file on RHEL
Issue
- Yum update stuck at grubby process when upgrading kernel.
All attempts to access to the /boot filesystem hang and can only be worked around by restarting.
Environment
- Red Hat Enterprise Linux 7
- Seen on kernel-3.10.0-514.el7.x86_64 / kernel-3.10.0-693.el7
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