Linux Kernel News Archives
For those not paying close attention to the development cycle for the Linux 2.6.34 kernel, two weeks have passed since the Linux 2.6.34-rc3 release (compared to the usual weekly -rc versions), but today 2.6.34-rc4 is hitting the hands of testers. It's taken longer to get the fourth release candidate of 2.6.34 out the door due to a "really annoying" VM regression that took some days to resolve.
12 April 2010 - But Regressions Fixed - 9 Comments
While the Linux 2.6.34-rc2 kernel was messy by the standards of Linus Torvalds, the third release candidate for the Linux 2.6.34 kernel is now available and it should be in much better shape.
30 March 2010 - New Linux Kernel - 3 Comments
David Airlie has just asked Linus to pull in his latest DRM branch for the Linux 2.6.34 kernel. This branch provides fixes to the DRM core, Nouveau, and Radeon KMS. The new Radeon DRM code brings fixes, but it also brings a clean-up to the ASIC tables and GPU recovery support.
25 March 2010 - Pull Request Is In - 26 Comments
Some 18 hours ago the Linux 2.6.34-rc2 version was tagged and is now available, but oddly we have yet to come across a kernel release announcement from Linus Torvalds. However, for those interested in the Linux 2.6.34-rc2 change-log is available.
20 March 2010 - No Announcement Though - 12 Comments
Following a two week merge window following the release of the Linux 2.6.33 kernel, Linus Torvalds has announced the first release candidate for the next kernel, to be known as the Linux 2.6.34 kernel.
8 March 2010 - New Kernel - 17 Comments
Like with most kernel release cycles, the Linux 2.6.34 kernel had another major GPU DRM update. There's core DRM improvements, the new hybrid graphics switching support, and advancements to the hardware-specific DRM bits. On the Nouveau side for NVIDIA hardware support, there is a major interface break that we talked about last month.
5 March 2010 - Linux 2.6.34 Kernel - 13 Comments
There's already quite a bit of code that has been merged into the Linus 2.6 Git tree for the Linux 2.6.34 kernel tree, but the first pull request for the DRM (Direct Rendering Manager) code has went in this morning.
1 March 2010 - Linux Kernel Updates - 5 Comments
Con Kolivas had stopped working on the Linux kernel for two years after he became fed up with the kernel development community, but last year he made a return by introducing the BFS scheduler. The BFS scheduler for the Linux kernel is quite simple in design compared to other schedulers, but it performed fairly well on desktop systems. Due to Con's past frustrations, he has no intentions of mainlining the Brain Fuck Scheduler, but he has now offered up another batch of patches.
26 February 2010 - Con Kolivas - 69 Comments
At the start of the month we talked about GPU switching coming to Linux in a crude form that allowed notebooks with dual GPUs (one being a low-power, low-performance integrated chip and the other being the more performance-oriented GPU that's power hungry) to be switched from without the need for a reboot in Linux. This initial work was just a collection of hacks by David Airlie and it required VT switching after killing the X Server, etc. It also didn't power down the unused GPU. However, as the days passed, this code did more and delayed GPU switching came too.
26 February 2010 - David Airlie Hacks Away - 8 Comments
Now that Linus Torvalds is done rewiring part of his house, he has put out the Linux 2.6.33 kernel release. This update to the Linux kernel that's coming three months after the release of Linux 2.6.32 delivers the Nouveau DRM GPU code in the staging area, many Radeon KMS improvements and it has left the staging area, the new VMware DRM, and much more.
24 February 2010 - New Kernel Release - 27 Comments
Linus Torvalds has put out the eighth release candidate for the Linux 2.6.33 kernel and it will hopefully serve as the last test build before an official release is made. The Linux 2.6.33-rc8 kernel consists of bug-fixes and resolution of regressions introduced earlier into this kernel development cycle the past few months. Worth noting is that there are also more kernel mode-setting / DRM changes that worked its way in at the last minute.
13 February 2010 - Test Away
Linus pushed out the Linux 2.6.33-rc7 kernel yesterday afternoon, but still even being seven release candidates into the Linux 2.6.33 kernel cycle, at least one more test release is due before we may see an official release. The number of regressions for the Linux 2.6.33 kernel is still high and is somthing that isn't pleasing Torvalds.
7 February 2010 - New RC - 11 Comments
Two days ago we reported on hybrid graphics coming to Linux in a crude form that allowed switching between graphics processors on notebook computers that utilize dual graphics processors, one that's meant to deliver the best energy efficient performance while the other GPU is for maximizing the graphics performance in demanding environments. Just 24 hours after this kernel patch hit the Internet it already went through four revisions by Red Hat's David Airlie, which delivered better switching and greater notebook compatibility. Since yesterday this patch has already undergone a few more revisions.
3 February 2010 - Hybrid Graphics Work Continues - 24 Comments
Just yesterday morning we reported on hybrid graphics coming to Linux in a crude form, which allowed dual-GPU notebook systems to switch between the onboard GPUs via a kernel patch but what made it crude was that it wasn't seamless switching within the running X.Org Server (it won't be this way for some time) and it didn't actually turn off the other GPU when the other one was in use. In the past 24 hours, however, David Airlie has published three new versions of this Linux kernel patch.
2 February 2010 - Kill Some Power - 11 Comments
For the past several days benchmarks have been going on a plethora of ATI Radeon HD 2000/3000/4000 (R600/700 generation) graphics cards as well as some of the older Radeon X1000 (R500) hardware for reference. All of this testing has been done with the current open-source ATI driver stack with Mesa to show where the performance is at for the H1'2010 Linux distributions. At our disposal is quite a collection of graphics cards, but to much dismay this article has been postponed as the testing process had to be restarted from scratch.
1 February 2010 - EXT4 Is Unreliable - 66 Comments
While the support for graphics processors on Linux in the free software stack has improved a lot over Linux, there still are entire areas of support missing, such as with supporting NVIDIA's SLI or AMD's CrossFire technologies. Additionally, NVIDIA and AMD as well as Intel have been plopping dual GPUs into notebooks. This is not to split the rendering workload, but rather to allow one lower-powered GPU to be utilized when not in engaging in any vigorous tasks and then another performance-oriented GPU to be utilized when such speed is needed. This solution basically provides the best of both words of having maximum battery life but fast performance when needed. However, Linux has not supported this hybrid / switchable graphics technology at all.
1 February 2010 - Kernel Hacks - 9 Comments
Linus has put out the Linux 2.6.33-rc6 kernel release. This release candidate for the Linux 2.6.33 kernel is on time arriving precisely one week after the Linux 2.6.33-rc5 release.
29 January 2010 - Friday Afternoon Release - 5 Comments
The latest release candidate for Linux 2.6.33 kernel is now available and that's Linux 2.6.33-rc5. The Linux 2.6.33-rc5 kernel delivers on eDP (embedded Display Port) support for Intel's DRM/KMS driver (the open-source ATI stack also has eDP) and the DVB "Mantis" driver has moved forward in the mainline kernel. The Mantis chipset that has been around for a while is popular on many DVB boards, but now it's supported in the mainline Linux 2.6.33 kernel.
22 January 2010 - New Kernel Build - 2 Comments
With Ubuntu 10.04 basing off the Linux 2.6.32 kernel and this distribution release being a Long-Term Support (LTS) release that will be maintained longer than normal Ubuntu releases -- and other vendors using the Linux 2.6.32 kernel for their enterprise updates too -- this kernel will live on longer as well.
19 January 2010 - Long-Term Stable Release - 27 Comments
One week after pushing out the third release candidate for the Linux 2.6.33 kernel, Linus Torvalds has issued the fourth release candidate. In his mailing list announcement, Linus characterizes the Linux 2.6.33-rc4 kernel as being an "odd release" as a bulk of the changes "all pretty unusual." What got changed? Well, lots of new Direct Rendering Manager (DRM) code ended up getting pulled.
13 January 2010 - Many DRM Updates - 18 Comments
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