Monday, February 22, 2016

Why's my laptop running so hot? Or Firefox, pandora, and 1 million syscalls a second.

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My FreeBSD-HEAD laptop runs very warm when running firefox, but even warmer when it's doing something simple - like say, streaming from ...
Wednesday, February 17, 2016

On being able to reflash your own devices, or "wow, millions of devices are potentially vulnerable."

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If you work in software, you've likely heard of the latest hilarious bug - Linux glibc getaddrinfo() stack buffer overflow (https://isc....
Saturday, October 31, 2015

Fixing up the QCA9558 performance on FreeBSD, or "why attention to detail matters when you're a kernel developer."

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When I started with this Atheros MIPS 11n stuff a few years ago, my first test board was a Routerstation Pro with a pair of AR9160 NICs. I c...
Tuesday, October 13, 2015

Fixing up the RTL8188SU/RTL8192SU 802.11bgn driver (rsu)

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I recently figured out most of the missing pieces for 11n support and stability with the rsu driver in FreeBSD. This handles support for the...
Thursday, October 1, 2015

As requested: progress of AR9170

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Hi! The progress of the AR9170 FreeBSD-ification can be found here: https://github.com/erikarn/otus Yes, I did actually keep the histo...
Wednesday, September 30, 2015

Porting a wifi driver from openbsd - AR9170

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I told myself a long, long time ago that I really don't want to be working on USB wireless. It's not that I dislike USB or wireless;...
1 comment:
Tuesday, July 14, 2015

FreeBSD now has NUMA? Why'd it take so long?

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I just committed "NUMA" to FreeBSD. Well, no, I didn't. I did almost no actual NUMA-y work in FreeBSD. I just exposed the exis...