LCK Process Hang Waits for Event 'libcache interrupt action by LCK'
(Doc ID 2733773.1)
Last updated on APRIL 17, 2023
Applies to:
Oracle Database - Enterprise Edition - Version 12.2.0.1 and laterInformation 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)
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.
: 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
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In this Document
| Symptoms |
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| Cause |
| Solution |
| References |