RHEL7: Deadlock between threads going for shrinker_rwsem rw_semaphore and xfs cil->xc_ctx_lock rw_semaphore
Issue
- frequent system lockups involving processes doing xfs operations, kswapd, and kworker tasks
Environment
- Red Hat Enterprise Linux 7
- seen on 3.10.0-514.*el7
- xfs
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