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Dispelling a Linux Myth

Over the past week, I’ve run into two different people who expressed the same thought, “Linux lacks support for a lot of devices.” I told them that this was a myth, and the Linux Driver Project has...

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Student Day at Linux Plumbers Conference

For the past couple of months, I’ve been helping organize a student mini-conference for LPC, which will take place on September 16th. So far we only have 9 people registered for student day. We would...

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USB 3.0 and Linux

USB is getting a facelift! In the beginning, there was USB 1.1, with the “low speed” and “full speed” devices (at 1 Mbps and 12 Mbps, respectively). Then USB 2.0 came along with “high speed” devices...

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Debugging with printks over Netconsole

Netconsole is a powerful Linux kernel debugging tool. The dmesg output from a machine under test is transferred over an ethernet link (via UDP packets) to another machine. That means that you can see...

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USB 3.0 support: coming soon to a Linux kernel near you!

#tags usb,usb3,linux,open source The xHCI (USB 3.0) host controller driver and initial support for USB 3.0 devices is now publicly available on my kernel.org git tree. Greg Kroah-Hartman has queued the...

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Installing a custom kernel with USB 3.0 support

This documents my personal flow for downloading and installing a Linux kernel with my xHCI and USB 3.0 code. Until the code is in the upstream kernel and shipping in Linux distributions, you’ll have to...

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Update for Netconsole Tutorial

A while back I posted a Netconsole tutorial for how to capture Linux kernel debugging messages from a crashing machine. I’ve refined the instructions down to three scripts and three commands, which...

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The PyCon Incident, Lizard Brains, and Bad Jokes

+Peter Senna Tschudin asked (about the Pycon incident):  “What I can’t understand, and I would like help to understand, is how talking about big dongles to a friend in a conference can become a real...

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Patchsets for Dinner

Oh, I just came up with a really good metaphor for how to create a good looking patchset: A patch should be one logical change. For example, you should put all whitespace changes in one patch. If...

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Linux Kernel Internships (OPW) Update

A month ago, Amanda McPherson and Greg Kroah-Hartman from the Linux Foundation asked me to coordinate an internship program aimed at getting more women to participate in the Linux kernel. In order to...

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