Archive of posts from 2012
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What's in the Linux kernel for Debian 7.0 'wheezy', part 1
As you may know, Debian 7.0 (codename 'wheezy') includes Linux 3.2. I'm maintaining the 3.2.y stable series at kernel.org which will collect bug fixes and some new hardware support as nominated by kernel developers and distributors, following the usual stable kernel rules.
The Debian package has some additional features not present in mainline Linux 3.2.
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Wireless regulation in squeeze
Alternate title: 'for those who care about channels 12-13'. For background, see the earlier entry on wireless regulation.
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Feed reading
I switched from Google Reader to Liferea a while back. I was mostly happy with the functionality of Reader but I don't really want my reading history to be recorded or my feed list to be vulnerable to the whim of Google's inscrutable abuse department.
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Another step forward for multi-arch
~$ dpkg --print-architecture i386 ~$ dpkg -s linux-image-$(uname -r) Package `linux-image-3.2.0-1-amd64' is not installed and no info is available. Use dpkg --info (= dpkg-deb --info) to examine archive files, and dpkg --contents (= dpkg-deb --contents) to list their contents. ~$ dpkg -s linux-image-$(uname -r):amd64 Package: linux-image-3.2.0-1-amd64 Status: install ok installed Priority: optional Section: kernel Installed-Size: 104822 Maintainer: Debian Kernel Team <debian-kernel@lists.debian.org> Architecture: amd64 Source: linux-2.6 Version: 3.2.6-1
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Testing backport of the isci driver for Intel C600 SAS/SATA controllers
Phil Kern made a general call for testing of Debian 6.0.4. I would like to more specifically point out that I backported the isci driver for Intel C600 SAS/SATA controllers. Unfortunately I have not yet had any testing results for this. If you have any machines with this hardware not yet in production, please do consider testing the new Linux kernel package, version 2.6.32-41.
Updated: I now have a positive test result from the user who requested this driver in the installer.
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Installing Debian GNU/Linux and Windows dual-boot under UEFI
I thought it was about time to get a faster machine for... well, mostly for compiling kernels faster, but I'm sure I will find other applications for it. I was originally intending to upgrade my laptop (Thinkpad T61, 1.8 GHz Core 2 Duo) but it seems that in the 3 years since I bought it second-hand laptop prices have not dropped in line with Moore's law. So instead I decided to upgrade (well, replace most of) a desktop PC.
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IGMP denial of service in Linux (CVE-2012-0207)
The bug report
Simon McVittie reported in Debian bug #654876 that his laptop running Linux 3.0 or 3.1 would sometimes crash (panic) while idle. He initially suspected a driver bug, but the screen did not show any information about where the original fault occurred. However, using netconsole, he was able to capture a full log of the crash. This showed that a packet received through the wireless interface was being processed by IGMP, which then divided by zero.