NetBSD Blog
I have presented the state of NetBSD sanitizers during two conferences in the San Francisco Bay Area: Google Summer of Code Mentor Summit (Mountain View) and MeetBSDCa (Santa Clara, Intel Campus SC12). I've also made progress in upstreaming of our local patches to LLVM sanitizers and introducing generic NetBSD enhancements there. The Bay Area I took part (together with William Coldwell - cryo@) in
NetBSD Blog
Hello all, the repository conversion setup for NetBSD CVS -> Fossil -> Git has found a new home. Ironically, on former cvs.NetBSD.org hardware. This provides a somewhat faster conversion cycle as well as removing anoncvs.NetBSD.org from the process. This should avoid occasional problems with incomplete syncs. Two other changes have been applied at the same time: The Fossil repositories have moved
NetBSD Blog
QEMU - the FAST! processor emulator - is a generic, Open Source, machine emulator and virtualizer. It defines state of the art in modern virtualization. This software has been developed for multiplatform environments with support for NetBSD since virtually forever. It's the primary tool used by the NetBSD developers and release engineering team. It is run with continuous integration tests for dail
NetBSD fully reproducible builds | NetBSD Blog
Introduction I have been working on and off for almost a year trying to get reproducible builds (the same source tree always builds an identical cdrom) on NetBSD. I did not think at the time it would take as long or be so difficult, so I did not keep a log of all the changes I needed to make. I was also not the only one working on this. Other NetBSD developers have been making improvements for the
NetBSD Blog
Ever since I realized that the anykernel was the best way to construct a modern general purpose operating system kernel, I have been performing experiments by running unmodified NetBSD kernel drivers in rump kernels in various environments (nb. here driver does not mean a hardware device driver, but any driver like a file system driver or TCP driver). These experiments have included userspaces of
NetBSD Blog
Some years ago I wrote about the possibility to load and use standard NetBSD kernel modules in rump kernels on i386 and amd64. With the recent developments in buildrump.sh and the improved ability to host rump kernels on non-NetBSD platforms, I decided to try loading a binary NetBSD kernel module into a rump kernel compiled for and running on Linux. The hypothesis was that the NetBSD kernel module
NetBSD Blog - Kernel Drivers Compiled to Javascript and Run in Browser
The unique anykernel capability of NetBSD allows the creation of rump kernels, which are partially paravirtualized kernels running on top of a high-level hypervisor. This technology e.g. enables running the same file system driver in the monolithic kernel or as a microkernel style server in userspace. POSIX-compatible systems have been more or less supported as rump kernel hypervisors for the past
NetBSD Blog: Runnable Userspace Meta Programs in NetBSD 5.0
Introduction Rump (Runnable Userspace Meta Programs) is a kernel virtualization and isolation technique available only in NetBSD. Rump uses the standard user process abstraction to provide a virtualization container for kernel components such as file systems and networking. The first release to feature rump support is NetBSD 5.0. For the user, rump offers increased reliability and system partition
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