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Aurélien Jarno

Last Build Date: Sat, 04 Feb 2017 08:15:08 +0000


10 years ago…

Tue, 23 Feb 2016 21:43:31 +0000

… I joined the Debian GNU libc team and did my first glibc upload. At that time source-only upload were far from exiting, and I was using a HP 9000 model 715/80 HPPA workstation for my Debian builds. Still it seems to me like yesterday.

MIPS Creator CI20

Wed, 20 Aug 2014 20:52:13 +0000

I have received two MIPS Creator CI20 boards, thanks to Imagination Technologies. It’s a small MIPS32 development board: As you can see it comes in a nice packaging with a world-compatible power adapter. It uses a Ingenic JZ4780 SoC with a dual core MIPS32 CPU running at 1.2GHz with a PowerVR SGX540 GPU. The board [...]

Intel about to disable TSX instructions?

Fri, 15 Aug 2014 16:02:18 +0000

Last time I changed my desktop computer I bought a CPU from the Intel Haswell family, the one available on the market at that time. I carefully selected the CPU to make sure it supports as many instructions extensions as possible in this family (Intel likes segmentation, even high-end CPUs like the Core i7-4770k do [...]

Debian is switching (back) to GLIBC

Wed, 18 Jun 2014 20:04:48 +0000

Five years ago Debian and most derivatives switched from the standard GNU C Library (GLIBC) to the Embedded GLIBC (EGLIBC). Debian is now about to take the reverse way switching back to GLIBC, as EGLIBC is now a dead project, the last release being the 2.19 one. At the time of writing the glibc package [...]

On configure systems

Sun, 16 Feb 2014 13:52:58 +0000

I will never understand the point of using autotools, cmake or whatever configure system, when later the code uses an hardcoded list of architectures to determine the size of a pointer… Unfortunately for porters this pattern is quite common. Update: As people keep asking, the way to check for the size of a given type [...]

Debian QEMU images updated

Mon, 06 Jan 2014 18:46:09 +0000

Following the release of Debian Wheezy, I have (finally) updated my set of Debian QEMU images for both Squeeze (6.0.8) and Wheezy (7.3). The following images are now available: amd64 (Squeeze and Wheezy) armel (Squeeze and Wheezy) armhf (Wheezy) i386 (Squeeze and Wheezy) mips (Squeeze and Wheezy) mipsel (Squeeze and Wheezy) powerpc (Squeeze and Wheezy) [...]

Detecting code issues using multiple architectures

Tue, 29 Oct 2013 22:37:02 +0000

Sometimes building the same code on multiple architectures is useful to detect horrors like: ExEnv::err0() << sprintf("AtomInfo: invalid name: %s\n",name.c_str()); This code builds using -Werror=format-security with only a few warnings on most architectures, while GCC is correctly detects the issue on some others. This has been reported as bug#728249.

How multiarch adds new RC bugs…

Sun, 03 Jun 2012 11:13:14 +0000

# dpkg --add-architecture kfreebsd-amd64 # dpkg -i libc0.1-dev_2.13-32_kfreebsd-amd64.deb Selecting previously unselected package libc0.1-dev. (Reading database ... 446113 files and directories currently installed.) Unpacking libc0.1-dev (from libc0.1-dev_2.13-32_kfreebsd-amd64.deb) ... dpkg: error processing libc0.1-dev_2.13-32_kfreebsd-amd64.deb (--install): trying to overwrite '/usr/include/_G_config.h', which is also in package libc6-dev 2.13-32 dpkg-deb: error: subprocess paste was killed by signal (Broken pipe) Errors were [...]

10 years ago…

Sun, 18 Mar 2012 19:52:50 +0000

Date: Mon, 18 Mar 2002 18:22:10 +0000 From: James Troup To: “Aurelien Jarno” Cc: Subject: New Debian maintainer Aurelien Jarno [ This is a long (automatically-generated) mail, but it contains important information, please read it all carefully. ] Dear Aurelien Jarno! An account has been created for you on developer-accessible machines with [...]

Performances of open-source Radeon driver

Thu, 05 Jan 2012 23:27:43 +0000

I am the happy owner of a new netbook with an AMD Fusion E-450 APU, which includes a Radeon graphics card. I am using the open-source driver on it, that is a 3.2-rc7 kernel for KMS, and xserver-xorg-video-radeon package from sid. I have to say I am not really happy about the performances. No I [...]