BSD: DragonFlyBSD and BSDCam
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DragonFlyBSD Finalizes Its Ryzen Workaround
Separate from the AMD Ryzen performance marginality problem affecting Linux users, BSD users have been working on a workaround for their kernels to address problems with how their user stacks are mapped.
A link circulating earlier this month was this FreeBSD commit to work around a guard page issue. Issues (funky behavior) can occur if code is running at the top of the user memory address space, so the workaround is to increase the guard page size. Linux has already had a large guard page while the BSDs have not, but they are now being increased for Ryzen.
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BSDCam 2017 Trip Report: Michael Lucas
BSDCam attendance is invitation only, and the facilities can only handle fifty folks or so. You need to be actively working on FreeBSD to wrangle an invite. Developers attend from all over the world. Yet, there’s no agenda. Robert Watson is the chair, but he doesn’t decide on the conference topics. He goes around the room and asks everyone to introduce themselves, say what they’re working on, and declare what they want to discuss during the conference. The topics of interest are tallied. The most popular topics get assigned time slots and one of the two big rooms. Folks interested in less popular topics are invited to claim one of the small breakout rooms.
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Dilution and Misuse of the "Linux" Brand
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