GNU Hurd On Guix Is Ready With 64-bit Support, SMP Multi-Processor Support “Soon”

GNU Hurd Finally Achieves 64-bit Support, Marking a Major Milestone in the Long-Awaited Microkernel Journey

In a groundbreaking development that has sent ripples through the open-source community, the GNU Hurd microkernel has officially achieved 64-bit support, a milestone that has been decades in the making. The announcement, made by the GNU Guix development team, marks a significant step forward for the Hurd project, which has long been overshadowed by the Linux kernel but remains a cornerstone of the GNU Project’s vision for a fully free operating system.

The news comes just months after developers hinted that x86_64 support was “almost there,” and now, with the bold declaration that “The 64-bit Hurd is Here!”, the project has taken a giant leap toward realizing its potential. This achievement is particularly noteworthy given the Hurd’s storied history as one of the most ambitious and, at times, elusive projects in the open-source world.

A New Era for GNU Guix and Hurd

The GNU Guix distribution, which uses the Hurd microkernel instead of the Linux kernel, is now available in a 64-bit flavor for x86_64 architectures. This means that enthusiasts and developers can now experiment with a fully 64-bit GNU/Hurd system, opening up new possibilities for testing, development, and innovation.

The GNU Guix team has also outlined significant progress made over the past year and a half, including numerous fixes and improvements to the Hurd microkernel. One of the most notable advancements is the successful booting of 64-bit Hurd, along with the addition of an installer option for x86_64 systems. This makes it easier than ever for users to try out GNU Guix/Hurd and contribute to its development.

Challenges Remain, but Progress is Unstoppable

While the achievement of 64-bit support is a cause for celebration, it’s important to note that the Hurd project still faces significant challenges. For instance, Symmetric Multi-Processing (SMP) support, which is crucial for leveraging multiple processor cores, is still under development. However, the GNU Guix team remains optimistic, stating that SMP support is “real soon now” and that new bootstrap binaries may be required to fully realize this feature.

Another hurdle is the limited availability of packages for GNU/Hurd. Currently, only about 1.7% of packages are available for the 32-bit version, and a mere 0.9% for the 64-bit version. While these numbers are small, they are steadily growing, and the team encourages the community to contribute to expanding the package ecosystem.

Why GNU Hurd Matters

For those unfamiliar with the Hurd, it is a microkernel-based system that was designed to be the kernel of the GNU operating system. Unlike monolithic kernels like Linux, microkernels like Hurd aim to provide a more modular and secure foundation for operating systems. While the Hurd has faced numerous delays and setbacks over the years, its proponents argue that it offers unique advantages in terms of flexibility, security, and adherence to the principles of free software.

The achievement of 64-bit support is a testament to the resilience and dedication of the Hurd community. It also serves as a reminder that the open-source world is not just about the most popular or widely used projects, but also about the pursuit of innovation and the realization of long-term visions.

What’s Next for GNU Hurd?

Looking ahead, the Hurd project has several exciting developments on the horizon. The completion of SMP support will be a major milestone, enabling the system to fully utilize modern multi-core processors. Additionally, the continued growth of the package ecosystem will make GNU/Hurd more practical and appealing to a broader audience.

For now, the achievement of 64-bit support is a cause for celebration and a reminder that even the most ambitious projects can achieve their goals with persistence and community support. Whether you’re a seasoned developer, a free software advocate, or simply curious about the future of operating systems, GNU Hurd is a project worth watching.

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This milestone is not just a technical achievement but a symbol of the enduring spirit of the open-source community. As GNU Hurd continues to evolve, it promises to inspire and challenge the way we think about operating systems and the future of computing.

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