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Azul Zing System Tools Release Notes

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Important

Azul Zing System Tools (ZST) is deprecated, and support is scheduled to end on September 1, 2027. After this date, Azul will no longer provide updates or support for ZST. Please contact Azul Support if you have questions about migrating.

Release Date: October 6th, 2026

These release notes describe new features, resolved issues, and known issues in the release of Azul Zing System Tools (ZST) 5.22.27.

New Features and Updates

  • ZST 5.22.27 adds support for the following distributions and kernels:

    • Ubuntu 26.04 LTS

    • Red Hat Enterprise Linux (RHEL) 10

    • CentOS Stream 10

    • Amazon Linux 2023 with 6.12.x and 6.18.x kernels

    • Ubuntu 24.04 LTS with 6.14.x kernels

Resolved Issues

The following table lists resolved issues in ZST 5.22.27:

Bug ID Description

ZST-2272

zing-memory.service fails to start when increasing Reservable memory to 12 TB on Intel Sapphire Rapids with Ubuntu 24.04

ZST-2437

ZST install fails on Amazon Linux 2023 6.12.x kernels with unknown symbol follow_page_mask

ZST-2443

ZST crashes in zm_update_syscall_table when the zing-memory service starts on RHEL 9.7 kernel 5.14.0-611 after upgrading from RHEL 9.6

ZST-2467

ZST install fails on CentOS Stream 10 kernel 6.12.0-161.el10.x86_64

ZST-2492

ZST install fails on Ubuntu 26.04 LTS (kernel 7.0) with struct page has no member _count in zm_common.h

ZST-2544

ZST install fails on kernel 6.18 with invalid operands to binary & in zm_common.h

ZST-2546

Kernel warning from get_user_pages_remote on Amazon Linux 2023 kernel 6.12.20-23.97

ZST-2550

Kernel hangs on a page fault in get_dump_page on Ubuntu 24.04 with kernel 6.17

Known Issues

  • There are no new known issues in ZST 5.22.27.