My Oracle Support Banner

LCK Process Hang Waits for Event 'libcache interrupt action by LCK' (Doc ID 2733773.1)

Last updated on MARCH 03, 2021

Applies to:

Oracle Database - Enterprise Edition - Version 12.2.0.1 and later
Information in this document applies to any platform.

Symptoms

LCK1 hang with ''libcache interrupt action by LCK''

DB alert log

LCK1 (ospid: 307639) waits for event 'libcache interrupt action by LCK' for73 secs.
2019-10-02T01:45:21.583197+08:00
LCK1 (ospid: 307639) is hung in an acceptable location (libcache 0x41.02)
 
LMHB process trace shows the following:
LCK1 (ospid: 307639) has not moved for 33370 sec (1569985206.1569951836)
: heartbeat check status 2 (acceptable) (threshold 17920 sec)
: heartbeat poke time 0x5d939066 req 0xb60b7 ack 0xb60b6 freq 10
: heartbeat state 0x41.02 (libcache) pso-flag 0x0
: waiting for event 'libcache interrupt action by LCK' for 33360 secs with wait_id 1300841383.

 

Changes

 

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Changes
Cause
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.