Second time is a charm

After rendering my Mac Book unbootable installing Fedora 25, I decided to try again, changing as little as I could to see where the previous installation went wrong. I'm happy to report that the second time worked perfectly. It just works™ I now have, as I wanted, a Mac Book Pro that dual boots Fedora 25 … Continue reading Second time is a charm

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mac is back

As I explained in yesterday's post, I rendered the Mac Book Pro that Red Hat sent me unbootable in OSX. So I spent some time trying to restore OSX on that machine. In the end, I was forced to wipe the disk clean and start over. Before I did that, here are some things I tried … Continue reading mac is back

16Gb of memory for Mail.app?

OK, my last post about a few things that did not go too well installing Fedora got me some interesting comments. Donut worry, OSX is hardly perfect, as the screenshot below shows. 16GB of RAM for a mail application? That seems a bit much. And of course, OSX being so good at preventing runaway processes … Continue reading 16Gb of memory for Mail.app?

Goodbye DxO, hello Red Hat

After one year and a half at DxO working on the DxO ONE, a diminutive, yet highly capable camera that fits in your pocket and connects to an iPhone, I've decided to move on and join Red Hat to work on Spice, focusing on 3D acceleration for virtual machines. Free software, virtualization and 3D together, and working … Continue reading Goodbye DxO, hello Red Hat

A real-time, lock-free, multi-CPU flight recorder

Debugging complex, real-time, multi-CPU programs like HPVM, Tao3D or the software in the DxO ONE can be a real challenge. You need detailed information about what's going on, but at the same time, adding instrumentation, e.g. a big bunch of ad-hoc printf statements, can change the behavior of the program sufficiently to make the problem you are chasing … Continue reading A real-time, lock-free, multi-CPU flight recorder

Experimenting with filesystems

Since macOS Sierra introduced the new Apple filesystem (APFS), designed by no other than Dominic Gianpaolo (of BeOS fame), I thought I'd give it a try. So I created an APFS volume on an external 3G hard disk, copied a few pictures on it, and started playing with it. Overall, I'm not thrilled… APFS runs … Continue reading Experimenting with filesystems

macOS Sierra Mail bug

This week, I started using macOS Sierra. Overall, like iOS 10, it's another one of these Apple releases of late where what you gain is not extraordinarily compelling, but you discover as you go various things that you lost for no good reason. Here is one I found today. Apparently, macOS Sierra cannot send mail with picture … Continue reading macOS Sierra Mail bug