kernel

Since version 4.3, gcc changed its behavior concerning the x86/x86-64 ABI and the direction flag, that is it now assumes that the direction flag is cleared at the entry of a function and it doesn’t clear once more if needed. According to LWN article GCC 4.3.0 exposes a kernel bug: A change to GCC for […]

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RHEL 5.2 beta has been released. Red Hat engineers backport many of the new features from later kernels to the Red Hat Enterprise Linux 5 kernel, such as support for new hardware and virtualization enhancements. This provides Red Hat Enterprise Linux subscribers with important new capabilities while maintaining stable application interfaces — so that applications […]

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A TOP-like tool for monitoring system latency and its causes for Linux system. The Intel Open Source Technology Center is pleased to announce the release of version 0.1 of LatencyTOP, a tool for developers to visualize system latencies. Skipping audio, slower servers, everyone knows the symptoms of latency. But to know what’s going on in […]

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This small guide may come handy… From the article: One great thing about Linux is that you can transplant a hard disk from a machine that runs a 32-bit AMD XP processor into a new 64-bit Intel Core 2 machine, and the Linux installation will continue to work. However, if you do this, you’ll be […]

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The new Linux scheduler extends scheduling capabilities by introducing scheduling classes and also simplifies debugging by improving schedule statistics. Completely Fair Scheduler (CFS) is getting good reviews when tested for thread-intensive applications including 3D games. CFS handles CPU resource allocation for executing processes, and aims to maximize overall CPU utilization while maximizing interactive performance. CFS […]

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There is a tiny little program called QGRUBEditor. It is a system GUI tool to view and edit the GRUB boot loader. It offers many features and it is the perfect solution for those who want to change the way GRUB works, without messing with GRUB’s configuration files. This is an excellent tool for a […]

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NetBSD 4.0 has been released. It is available for download now. . NetBSD is a free, secure, and highly portable Unix-like Open Source operating system available for many platforms, from 64-bit Opteron machines and desktop systems to handheld and embedded devices. Its clean design and advanced features make it excellent in both production and research […]

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