Linux Kernel News Archives
AppArmor Is Going Into The Linux 2.6.36 Kernel

James Morris has outlined a preview of the security subsystem changes he is currently carrying in his security-testing-next branch of the Linux kernel that he plans to have Linus Torvalds pull into the next kernel development cycle for Linux 2.6.36. The big change in the kernel security world is that AppArmor is being planned for integration into the Linux 2.6.36 kernel.

1 August 2010 - Better Security - 20 Comments
Linux 2.6.35-rc6 Kernel Released; Final Coming Soon

Linus Torvalds has announced the release of the Linux 2.6.35-rc6 kernel. This release just carries bug and regression fixes, but there are some noteworthy fixes -- particularly if you have been experiencing stability issues for a while with Intel graphics hardware.

23 July 2010 - Next Week? - 2 Comments
Linux 2.6.35-rc5 Kernel Released

Linus Torvalds is back to releasing the Linux 2.6.35 kernel release candidates on a weekly basis and on this Friday afternoon he has pushed out Linux 2.6.35-rc5. The Linux 2.6.35-rc5 release isn't too exciting, but due to the defconfig work, there's more than 200,000 lines changed/removed in the past week.

16 July 2010 - New RC - 2 Comments
Here's The 3dfx Banshee, Voodoo DRM/KMS Driver

Last month we reported on the status of kernel mode-setting with the Glint driver that's being done as a Google Summer of Code project to provide KMS support for the ancient 3Dlabs Permedia 3 and Permedia 4 graphics cards and to better document the Linux KMS/DRM driver writing process. As part of the Glint KMS discussion, it emerged that an independent developer (James Simmons) happened to hack together a 3dfx DRM driver. This was interesting as the work was never published or accepted into the mainline kernel, but today we finally are able to lay our eyes on this open-source 3dfx driver for the Banshee, Voodoo 3, and Voodoo 5 graphics cards.

14 July 2010 - The Code Is Here - 13 Comments
Linux 2.6.35-rc4 Kernel Sees The Light Of Day

It's been nearly a month sine the last Linux kernel release candidate with Linux 2.6.35-rc3 having been released on the 12th of June, but Linus Torvalds celebrated Independence Day in the United States yesterday by releasing Linux 2.6.35-rc4. Linus was away on holiday for a while and then it took him sometime to get back to address all of the merge requests.

5 July 2010 - New Kernel Release - 2 Comments
The Embedded Linux GPU Mess & How It Can Be Fixed

Earlier this week Qualcomm released an open-source 2D/3D kernel driver for their Snapdragon SoC that's found within the Nexus One, Dell Streak, and many other mobile phones. However, it was just the kernel driver that leveraged their own driver design and no open-source user-space driver, which leads to a dirty mess. David Airlie, the DRM maintainer within the Linux kernel, will not accept open-source kernel drivers that is only used by a closed-source component and as such there's been a lengthy mailing list discussion over the past few days.

3 July 2010 - David Airlie Writes - Add A Comment
The Linux 2.6.35-rc3 Kernel Update Is Small

Last week when releasing the Linux 2.6.35-rc2 kernel, Linus was upset with the number of late merges and other commits that were receiving pull requests in the Linux 2.6.35 kernel development cycle when the work should instead be now about bug and regression fixes. As such, Linus was going to be much more stringent about what he would allow within the Linux 2.6.35-rc3 kernel and he has indeed followed his tighter rules.

12 June 2010 - Tight On Changes - 15 Comments
Linux 2.6.35-rc2 Kernel Released

With a week having passed since the release of Linux 2.6.35-rc1, Linus Torvalds has now replaced it with Linux 2.6.35-rc2. This second release candidate for the Linux 2.6.35 kernel brings more changes than Linus would have liked to see, but a bulk of the activity is happening within the kernel's driver staging area.

6 June 2010 - Too Many Changes - 7 Comments
The Big Linux 2.6.35 Kernel Problem Is Fixed

Last week we reported on a disastrous bug within the Linux 2.6.35 kernel that while this kernel is still months from being officially released, a major regression was introduced that slaughtered the Linux system's performance. This was experienced across multiple systems, architectures, and file-systems. Today we can officially report that this problem has been resolved.

3 June 2010 - Well, The Bug - 32 Comments
Linux 2.6.35 Kernel Reaches RC1 State

In time for the Memorial Day holiday in the United States tomorrow, Linus Torvalds has closed the Linux 2.6.35 merge window and has also made the 2.6.35-rc1 release.

30 May 2010 - Merge Window Closed - 6 Comments
Linux 2.6.34 Kernel Is Likely On Its Last RC

Assuming there are no major last minute issues, the Linux 2.6.34 kernel will likely be released in the very near future. Last night Linus put out the Linux 2.6.34-rc7 release, which he hopes will be the last release candidate.

10 May 2010 - Linux 2.6.34-rc7 - 7 Comments
Linux 2.6.34-rc6 Kernel Released

Linus Torvalds released the Linux 2.6.34-rc6 kernel late last night, but the Linux kernel mailing list has been down this morning so there is no release announcement available. Beyond offering up a slew of fixes, the Linux 2.6.34-rc6 kernel ships with VMware's new standalone balloon driver for adjusting the system memory that's allocated to guest VMs in real-time and also the ipeth driver that is used for USB tethering to Apple iPhones.

30 April 2010 - No Announcement - 1 Comment
Linux 2.6.34 Kernel Gets Closer With -RC5

The Linux 2.6.34 kernel is getting ready to enter the spotlight in May. Linus Torvalds put out the Linux 2.6.34-rc5 kernel release this afternoon, and unlike last week's kernel, there aren't any major regressions that set back this release.

19 April 2010 - Stabilizing - 4 Comments
Linux 2.6.34-rc4 Kernel Pulls In Two Weeks Of Work

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
Linux 2.6.34-rc3 Kernel Released

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
Radeon GPU Recovery To Hit Linux 2.6.34 Kernel

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
Linux 2.6.34-rc2 Kernel Released

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
Linux 2.6.34-rc1 Kernel Is Out w/ New Features

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
An Explosive Battle Over Nouveau Kernel DRM

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
Major Linux 2.6.34 Kernel GPU DRM Updates

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
Kolivas Pushes New Kernel Responsiveness Patches

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
GPU Switching Goes For The Gold: Mainline Inclusion

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
Linux 2.6.33 Kernel Released, Woohoo!

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
Linux 2.6.33-rc8 Kernel Hopefully The Last

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 - Add A Comment
Linux 2.6.33-rc7 Released, Still Many Regressions

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
Today, Delayed GPU Switching Comes To Linux

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
A Day Later, Hybrid Graphics On Linux Does More

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

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