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Azul Zing System Tools Release Notes

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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.