Oracle Linux: Multiple Process Hang due to rw_semaphore Lock in Inconsistent State
(Doc ID 2933017.1)
Last updated on MARCH 22, 2023
Applies to:
Linux OS - Version Oracle Linux 7.0 to Oracle Linux 7.6 with Unbreakable Enterprise Kernel [4.14.35] [Release OL7 to OL7U6]Linux x86-64
Symptoms
An Oracle Linux 7 (OL7.0 through OL7.6) is running the Red Hat Compatible Kernel (RHCK).
Occasionally, some processes, possibly thousands, may hang in an uninterruptable ( D ) state while waiting for a read-write semaphore lock.
Messages such as the following are reported to the system log/journal ( /var/log/messages ):
Changes
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |