Kirkwood, Orion: Mainline Linux 4.12 for TK71

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A client asked for more recent Linux kernel support for a Marvell Kirkwood/Orion 88F6281 based board made by KaRo, the TK71. This is a Q7 form factor CPU module running @ 1.2GHz with two GBit Ethernet ports, two SATA ports, USB2.0 and PCIe support. The TK71 usually comes with 256MB of RAM, a 512MB version is available upon request. The… Read more »

Etnaviv on i.MX6, free OpenGL GPU driver

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For a project I am currently evaluating embedded CPUs, so called system on chip (SOC), mostly ARM architecture. One major requirement of the project is to use free and open source software only, without any binary firmware blobs. Introduction You may have heard about the big issues found lately about e.g. the Intel Management Engine (ME) which is part of… Read more »

Debian unstable ARMHF rootfs

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I have created a current Debian unstable (post “Stretch” 9) rootfs archive for ARMHF (ARM hard float) devices, download here: this is about 90MB. It can be put on a SD card to boot ARM HF devices and to install more stuff from there. I use this on an i.MX6 dual core board so there is an extra entry… Read more »

Pinebook, after first week

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Well, I was aware that the Pinebook is not meant as a day to day laptop replacement. It is rather an experiment, targeted at enthusiasts and developers. Heck, I am both 🙂 So I like it! Despite software glitches and some (minor) hardware issues. But first start with what we get. The Pinebook comes with a 11.6″ or 14″ screen,… Read more »

Wenn Trans* Menschen telefonieren

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Das passiert, wenn trans* weibliche Menschen wie ich mit uninformierten Call-Centern telefonieren. Anrede und Schreibweise des Vornamens sind “bemerkenswert”. Ich hatte der Damen am Telefon ausdrücklich alles buchstabiert und erklärt. Doch das passte offenbar nicht in ihr Wahrnehmungsschema – hach ja… anstrengend, nervig und schon fast ärgerlich.

Pinebook arrived!

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Yippie! My brand new Pinebook 11,6″ arrived today! Very nice device. I am pretty impressed by the quality compared to the very low price of just US$89 (plus US$37 shipping plus German VAT and expenses of 36,44€ 🙁 The overall impression is pretty cool. It came with Android 6.1 pre-installed though I ordered it with Linux, i.e. a Linux flavor… Read more »

Intel S0ix, intel_idle, not supported?

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A little time ago I wrote about the S0ix and S0i3 modes for Intel SoC CPUs. I moved a small step forward. It seems indeed that the reason for the pretty high power drain in suspend, which is around 0.4W, has its roots in the system not entering S0i3. In S0i3 the power management controller (PMC) would not only stop… Read more »

MPV – Video playback, tearing? A possible solution!

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For some time I was annoyed with tearing problems while playing videos. You know this issue, do you? In scenes with horizontal movement it seems that the screen is split and updated differently. you see faces horizontally cut in half or scenery jittering by. Annoying. The problem is old and has been discussed many times. The basic issues is a… Read more »

Baytrail suspend, S3 vs. S0i3

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For some time now I am working on the Thinkpad Tablet 10 with Linux. By now it works pretty nicely – apart from still happening freezes 🙁 One major annoyance though is the very bad power saving during standby aka suspend. What I found this far is that Linux relies on the ACPI BIOS support for the different power saving… Read more »

OLG Hamm bezieht öffentlich Stellung gegen TSG Beschwerde

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Das Oberlandesgericht Hamm, welches am 22.2.2017 die Beschwerde gegen die Ablehnung durch das Amtsgericht Dortmund ablehnte, veröffentlichte am 12.4.2017 eine Presseerklärung zum Beschluss gegen die Beschwerde, hier der direkte Link zum PDF: Inhaltlich entspricht die Presseerklärung in etwa der formellen Ablehnung, die wir erhalten haben. Die Beschwerde beim Bundesverfassungsgericht ist fristgerecht per Kurier am 6.4.2017 abgegeben worden. Nun bleibt… Read more »