Archive for the tag 'linux'

2D benchmarks on Linux Nvidia, Intel, ATI: xrender

For my new computer I bought a ATI HD 2600 PRO with a bunch of memory. This card has some really good 3D results, and works well on Linux. But I run into some issues with de xv extension on this board. In fact the driver (the free or binary one) doesn’t seems to support [...]

admin May 17th, 2008

Howto reinstall / restore Grub with an Ubuntu

After a windows fresh install, the windows setup decided to drop my MBR to put its stuff in. Fine .. but I want my grub back now !
This is an old trick, but udev added a little complexity, so let’s give it a try. First boot on a Ubunty CD, open a console and run:
(here [...]

admin October 30th, 2007

Playing with Realtime with Python

For a little app, I need to send stream over UDP at a fixed rate. I have done severals tests w/ some buffers and sleep(), but I can’t achieve the desired speed. Mainly because sleep() doesn’t provide a stable enought result.
I decided to look at this a little deeply, and decided to use /dev/rtc to [...]

admin January 24th, 2006

Playing music on soundcard without locking

Why this soundcard allow me to play 2 mp3 at the same time while this doesn’t.. Hum good question. In fact to support this kind of stuff the sound card should support have some sub-device, to be sure .. simply aplay -l
Here on my shuttle .. not working
aplay -l
**** List of PLAYBACK Hardware Devices ****
card [...]

admin February 9th, 2005

Suspend to disc with Dell Latitude D400 on Linux

I now have a Dell Latitude D400 for 1 month. This little (really small) computer is pretty nice to use, but it right now, it’s really hard to have suspend working on this kind of stuff. The main reason: it only support ACPI (no APM), and ACPI isn’t well supported by the Linux kernel.
I have [...]

admin October 24th, 2004

Linux Kernel Hackers remove the Philips USB Webcam support

Everybody hate binary kernel module: that’s clear, but sometimes that the only way to use some hardware.
This is really a bad news to all webcam users: USB kernel hackers decide to patch PWC kernel driver to avoid the use of the extended kernel module which is binary only. Check out this for more infos.
update: read [...]

admin August 26th, 2004

ATI Radeon on Linux / *BSD …

I always hated closed source drivers, and ATI is one of the big guy in video card. There is a petition online to ask ATI for specification or better drivers. I sign it because my ATI 9100IGP doesn’t have TVout support right now..

admin August 24th, 2004

Shuttle ST62K Zen Install Howto for Linux

Hardware
The Shuttle STK62K is a small XPC that use:

ATI IGP9100 video board
ATI IXP150 AC’97 Audio Controller
OHCI based USB 2
Realtek network card

As i run into different issue with that box, i decided to write a little howto. Look here for more infos
0000:00:00.0 Host bridge: ATI Technologies Inc: Unknown device 5833 (rev 02)
0000:00:01.0 PCI bridge: ATI Technologies [...]

admin July 2nd, 2004

Installing Debian on a Dell Latitude D400

Contents

Introduction

Latitude D400

Base Installation
Finishing the install
X / Sound / PCMCIA / ACPI

XFree
Sound
PCMCIA
ACPI

About

Introduction
At my work, some people have bought some D400 laptop to use Linux.
During the installation, we run into various issues. This short
document try to explain, how we managed to have a working Debian
on this.
For various reasons, we want to use a debian and this [...]

admin February 28th, 2004

Howto install Alsa on Debian (kernel 2.4)

Installing Alsa (as a lot of linux kernel module) on Debian (w/ debian package) can be a real pain. But this one is really simple:
- apt-get install alsa-base
- apt-get install alsa-source
Take care that alsa-base ask you which sound card you have. This is needed for building the init-script.
Next:
cd /usr/src/
tar xvfj alsa-driver.tar.bz2
cd modules/alsa-driver
./configure
make
make install
/etc/init.d/alsa start
Take [...]

admin January 21st, 2004