In this Document

APPLIES TO:

PURPOSE

The Database patch bundles that were released on July 18, 2023 for Release 19c were:

This is the Known Issues note for the patches listed above. These known issues are in addition to the issues listed:

• in the README file for each individual Release Update (RU),, or Bundle Patch (BP).
• in Note 555.1, "Oracle Database 19c Important Recommended One-off Patches"

Beginning with the October 2022 patching cycle, 19c RURs will no longer be provided for 19.17.0 and above. No additional RURs will be delivered on any platform after the delivery of Oracle Database 19c RUR 19.16.2 in January, 2023. Refer to Sunsetting of 19c RURs and FAQ (Note 2898381.1) for further details.

To provide customers more frequent access to recommended and well-tested collections of patches, Oracle is pleased to introduce Monthly Recommended Patches (MRPs) starting in Nov 2022. MRPs are supported only on the Linux x86-64 platform. Refer to Introducing Monthly Recommended Patches (MRPs) and FAQ (Note 2898740.1) for further details.

SCOPE

 This known issues document will be of interest to Database Administrators who are responsible for bundle patching for Oracle Database / Grid Infrastructure / OJVM Release 19c.

DETAILS

Oracle Database 19c RU, and BP Jul 2023 Known Issues

My Oracle Support Document ID: 19202307.9

Released: July 18, 2023

This document lists the known issues for Oracle Database / Grid Infrastructure / OJVM Release 19c Jul 2023. These known issues are in addition to the issues listed in the README file for each individual RU, or BP.

Oracle recommends that you subscribe to this Known Issues NOTE in order to stay informed of any emergent problems.

This document includes the following sections:

• Section 1, "Known Issues"

• Section 2, "Modification History"

• Section 3, "Documentation Accessibility"

1 Known Issues

1.2July 13, 2023DB RU 19.20.0.0.230718

After applying DB RU 19.20.0.0.230718, you may observe instance crashes with ORA-600 [krccsio_1] when block change tracking (BCT) is enabled.

This issue was first identified in the Apr2023 quarter.

Oracle recommends that you apply Patch 35156218 on top of the patch bundle(s) listed in the third column of this row in order to address the stated concern(s).

The fix for this issue will be included into a future DB RU.

Reference Bug 35156218

Note 35156218.8

2 Modification History

3 Documentation Accessibility

For information about Oracle's commitment to accessibility, visit the Oracle Accessibility Program website at http://www.oracle.com/pls/topic/lookup?ctx=acc&id=docacc.

Access to Oracle Support

Oracle customers that have purchased support have access to electronic support through My Oracle Support. For information, visit http://www.oracle.com/pls/topic/lookup?ctx=acc&id=info or visit http://www.oracle.com/pls/topic/lookup?ctx=acc&id=trs if you are hearing impaired.

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