Database - RAC/Scalability (MOSC)

MOSC Banner

Since RU 19.28 cdump twice a day without incident

edited Aug 17, 2025 8:36AM in Database - RAC/Scalability (MOSC) 32 commentsAnswered ✓

OL8.6 (5.4.17-2136.344.4.3.el8uek.x86_64), Oracle EE with RAC

Hi Community,
since applying RU19.28 I observe a cdump from process dbw0 twice a day:

Alert.log
2025-08-16T02:00:43.710286+02:00
Warning: long redo log write elapsed times detected, the LG* process tracefiles have more details
2025-08-16T02:59:57.317596+02:00
Dumping diagnostic data in directory=[cdmp_20250816025957], requested by (instance=1, osid=2139215 (DBW0)), summary=[trace bucket dump request (kjbhistspinc)].

The according dumpfile contains:

2025-08-17T03:00:08.691459+02:00 (CDB$ROOT(1))
Process diagnostic dump for oracle@xxxxxxxx (PMON), OS id=2139079,
pid: 2, proc_ser: 1, sid: 1133, sess_ser: 6859

current sql: <none>

Current Wait Stack:
0: waiting for 'pmon timer'
duration=0x12c, =0x0, =0x0

Howdy, Stranger!

Log In

To view full details, sign in to My Oracle Support Community.

Register

Don't have a My Oracle Support Community account? Click here to get started.

Category Leaderboard

Top contributors this month

Instructions for posting

×

1. Select a discussion category from the picklist.


2. Enter a title that clearly identifies the subject of your question.


3. In the body, insert detailed information, including Oracle product and version.


Please abide by the Oracle Community guidelines and refrain from posting any customer or personally identifiable information (PI/CI).


Cloud / Fusion customers - Our Cloud community has moved! Please go to Cloud Customer Connect .


New to My Oracle Support Community? Visit our Welcome Center

MOSC Help Center