rwsem lock breakage with task sleeping in rwsem_down_read_failed
Issue
- PPC64 systems are experiencing intermittent hangs and I/Os seem to stop
Environment
- Red Hat Enterprise Linux (RHEL) 7 PPC64
- Seen in kernel 3.10.0-514.26.2.el7.ppc64
- Fixed in kernel-3.10.0-862.14.4.el7.ppc64 (Unverified)
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