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Linux Kernel 3.3 Released

By - Source: LKML | B 31 comments

Linus Torvalds announced the final version of the new Kernel 3.3, which comes with a long list of new features.

Included are new features for the network stack, graphics drivers, Android code, storage support as well as basic architecture changes that enables ARM systems to address more than 3.8 TB of memory.

According to the published changelog, version 3.3 improves the handling of Intel's RC6 power saving mode, which enables Linux to reliably work with Sandy Bridge graphics units. The Nouveau driver package for Nvidia NVA3 (and up) GPUs now supports audio output via HDMI. AMD Evergreen GPUs now also support audio output via HDMI.

The developers have also invested some effort to "fight bufferbloat", which is a scenario of latency and throughput issues that are caused by excessive buffering. Byte queue limits are introduced to help solve the problem and enables developers to set a configurable limit of packet data. The Kernel 3.3 now also includes a NVMe driver, which acts as an interface for SSDs via PCI or PCIe.

Also noteworthy is the return of Android subsystem and feature code. The code was previously removed due to "disagreements". The kernel developers said that some subsystems and features are already available again and more will become available in the future.

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  • 15 Hide
    tntom , March 19, 2012 10:48 PM
    @ frozonic Don't think of it as one is better than the other. They all have their strengths and weakness. Win, Mac, Unix, Linux, iOS, Android, and ChromeOS all have thier tradeoffs.
  • 15 Hide
    Vladislaus , March 19, 2012 10:51 PM
    frozonici´ve never used linux anyone that has use it want to give a few reasons of why its better than windows?

    You will never get a consensus with that answer.

    Both OSes have their strong points. Why not install it on a virtual machine and test a distribution like Ubuntu, Mint, Fedora,... and formulate you own opinion.

    I do give you recommendation, and that is patience. A lot a things work differently from Windows, so it might take some time to get used to.
Other Comments
  • 1 Hide
    Filiprino , March 19, 2012 10:27 PM
    Maybe that RC6 power saving mode has something to do with the problems I have with my Linux kernel booting.
  • 9 Hide
    Anonymous , March 19, 2012 10:40 PM
    I just updated my Lubuntu kernel and my Intel i3 Vostro laptop appears to be using about 20 percent less power compared to the 3.1 kernel I previously had (according to "powertop"). The kernel seems to be more stable on my system than the 3,1 kernel so far. This is a good article, I didn't realize that the kernel just can out, I though it was still in the rc stages. Thanks for the article.
  • 15 Hide
    tntom , March 19, 2012 10:48 PM
    @ frozonic Don't think of it as one is better than the other. They all have their strengths and weakness. Win, Mac, Unix, Linux, iOS, Android, and ChromeOS all have thier tradeoffs.
  • 15 Hide
    Vladislaus , March 19, 2012 10:51 PM
    frozonici´ve never used linux anyone that has use it want to give a few reasons of why its better than windows?

    You will never get a consensus with that answer.

    Both OSes have their strong points. Why not install it on a virtual machine and test a distribution like Ubuntu, Mint, Fedora,... and formulate you own opinion.

    I do give you recommendation, and that is patience. A lot a things work differently from Windows, so it might take some time to get used to.
  • -4 Hide
    dgingeri , March 19, 2012 11:13 PM
    Quote:
    as well as basic architecture changes that enables ARM systems to address more than 3.8 TB of memory


    um, what the heck would an ARM processor be doing with 3.8TB of memory?
  • 3 Hide
    RogueKitsune , March 19, 2012 11:18 PM
    frozonici´ve never used linux anyone that has use it want to give a few reasons of why its better than windows?


    "better" is relative. While I believe the difference between Linux and Windows for daily casual computing (word processing youtubing etc) is nonexistent. But i suggest you try out a distro like mint if you are interested getting into linux.
  • 1 Hide
    PreferLinux , March 20, 2012 12:07 AM
    wiinippongamerAll those you mentioned except win are unix based you noob.

    No, Linux is not Unix-based. It was written to be compatible with Unix, but is not based on it. Windows NT, which is the basis for all Windows versions since Windows 2000 (to be clear, excluding ME), were, as far as I know, Unix-based. iOS is probably (as in I haven't investigated) is probably Mac-based, hence Unix-based via BSD. Android and ChomeOS are both Linux (no, they are not just Linux-based, they are Linux [they use the Linux kernel]).

    frozonici´ve never used linux anyone that has use it want to give a few reasons of why its better than windows?

    Well, as others have said, differences are relative. Windows is better for games, but only because it is the only OS that the majority of PC games can be played on. The only major difference between Linux and Windows for casual use is that M$ doesn't have a Linux version of Office, you don't have IE, and there can be difficulties on Linux because of software patents on audio or video codecs (or the likes of CSS for DVDs). But Linux is free, has easy access to lots of free software, no-one can be bothered to write viruses for it (not that they would have an easy time anyway), and can have several advantages in specific situations. I think that the best way to try Linux is to use a LiveCD/DVD/USB rather than a virtual machine, and I would suggest trying a KDE-based distro such as openSUSE rather than some others.
  • 9 Hide
    PreferLinux , March 20, 2012 12:08 AM
    brandonjclarkIT isn't. period.

    So how come does it have a ~70% market share in servers???
  • 1 Hide
    PreferLinux , March 20, 2012 12:12 AM
    dgingerium, what the heck would an ARM processor be doing with 3.8TB of memory?

    I'm thinking that it is actually a mistake and should be GB.
  • 1 Hide
    tntom , March 20, 2012 12:14 AM
    Quote:
    All those you mentioned except win are unix based you noob.


    Thank you. I was wondering how long it would be before someone pointed that out. I listed them according to how consumers perceive them. But for that matter Mac is not Unix based but MacOSX is. :pfff: 
  • 1 Hide
    jryan388 , March 20, 2012 12:29 AM
    I use it for coding. Makes life waaay easier (yes, easier, as in takes less time, more efficient) than windows coding in my experience.
  • 4 Hide
    CaedenV , March 20, 2012 12:35 AM
    frozonici´ve never used linux anyone that has use it want to give a few reasons of why its better than windows?

    It use to have more advantages over windows than it does now. It use to have a very clean UI, which has now been cluttered in most versions. It use to be the only thing with free AV editing software, but now Windows and Mac both have editing softwares. It use to be great for tinkering with to get your computer to do things it otherwise would not be able to do... but now it is so easy to develop on Windows that there is little point. It also use to be clunkey and hard to use for every-day stuff... but now they have largely fixed that in most distros
    It does still win on 3 key fronts: 1) most distros are free, which is important when you have a lot of computers that you would have to purchase windows for. 2) It is secure beyond belief. While the programs that run on top of linux can be hacked or damaged, there is little to no fear of your kernal being compromised (unless you have an easy password to crack), so it is great for things where you are not sure what you are getting yourself into. 3) It has pro level networking options and makes great low-overhead servers.
  • 2 Hide
    loomis86 , March 20, 2012 12:41 AM
    frozonici´ve never used linux anyone that has use it want to give a few reasons of why its better than windows?



    DO YOU LIKE *FREE*??

    Linux is free.

    It's worthless for video games though.
  • 1 Hide
    jeffunit , March 20, 2012 12:47 AM
    Ever used android? It runs on most cell phones. It is linux.
  • 1 Hide
    alextheblue , March 20, 2012 2:47 AM
    jeffunitEver used android? It runs on most cell phones. It is linux.
    It uses the Linux kernel, making it Linux-based. But the rest of the software stack is Google. Everything you run on it has to be built for Android libraries/runtime.
  • -6 Hide
    Hypertraxx , March 20, 2012 3:38 AM
    pfff none of my hardware works on linuxx :p , its kinda fun os to experiment with. but its not an serious os. at least i can't take it serious.
  • -6 Hide
    iamtheking123 , March 20, 2012 4:06 AM
    frozonici´ve never used linux anyone that has use it want to give a few reasons of why its better than windows?

    It isn't better than Windows for a home user. Only scenarios where Linux isn't a massive pain in the ass to use is as a set-and-forget standalone server that won't network with Windows boxes. Or put it in a virtual box which is what I do when I need to run some CERN stuff that's unix based.
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