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Open Source Upgrades Linux

Linux 2.6.36 Released 238

Posted by CmdrTaco
from the download-compile-reboot-repeat dept.
diegocg writes "Version 2.6.36 of the Linux kernel has been released. This version includes support for the Tilera architecture, a new filesystem notification interface called fanotify, CIFS local caching, support for Intel Intelligent Power Sharing in i3/5 systems, integration of the kernel debugger and KMS, inclusion of the AppArmor security system, a redesign of workqueues optimized for concurrency, and several new drivers and small improvements. See the full changelog here for more details."
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Linux 2.6.36 Released

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  • TFA (Score:5, Funny)

    by pinkushun (1467193) on Thursday October 21, 2010 @10:19AM (#33973134) Journal

    The one post where 90% of /. users will actually read TFA

  • by underqualified (1318035) on Thursday October 21, 2010 @10:21AM (#33973150) Homepage
    linus trolling on everyone that disagrees with him...
  • by Anonymous Coward on Thursday October 21, 2010 @10:25AM (#33973176)

    Because of desagreement in the ABI the fanotify is disabled in this kernel.

    • Whoa. Not enough caffeine yet.... momentarily misread that as "Fanboynotify is disabled in this version." Which then had me wondering why it was posted here... O_o

  • by digitalsushi (137809) <slashdot@digitalsushi.com> on Thursday October 21, 2010 @10:25AM (#33973188) Journal

    This is why I come here.

    Actually, I'll come back in 4 hours and read the top comments not modded funny. That's why I come here.

    They should make a slashdot that's just about linux projects, nasa/physics stuff, and DIY routers. Like slashdot vintage. It'd be classy. Elastic band jeans and plaid tie dress code. God I miss the good old days. *pours mad dog 20/20 on anti-static carpeting*

    • Sounds like you just need to set up a view to filter the articles you see.

      Except the DIY routers, we're all the way up to DIY Internet.

    • I miss not having to post replies to threads in this tiny, postage-stamp form field. "Quote Parent" is just not enough feature benefit to justify how ugly and unusable this has become!

      • Re: (Score:2, Informative)

        by maxume (22995)

        Click the prefs button on the bottom left of the comments page. Unclick the 'Dynamic Discussions' and then click save.

        That seems to be the only way to access that pref, and it is sort of fun that they went ahead and created a new pref, rather than continuing to respect the 'Enable classic comments' pref.

        • /. is rejecting my Pref settings.

          Probably something to do with AdBlock+, BetterPrivacy and Ghostery. :-)

          I am not giving that up...

      • by Yvan256 (722131)

        I don't know which browser you use but with Safari I get a textarea roughly 855x260 pixels.

  • by Anonymous Coward on Thursday October 21, 2010 @10:27AM (#33973206)

    fanotify syscalls are disabled because people still can't agree on the API.

    • by CarpetShark (865376) on Thursday October 21, 2010 @10:42AM (#33973406)

      What the hell is it with file notification? It never seems to be reliable or stable. There was inotify, dnotify, fsnotify, fam, gamin, incrond... and since fam/gamin always ended up using 100% CPU or causing other problems, I've just avoided the whole idea, even though I regularly think of situations that I could use incrond in.

      I would have thought that setting a flag/triggering an event when a file was altered would be a matter of adding a small queue/bit system for events and about one line of code to vfs functions that modify files, but obviously not.

      So... does anyone use incrond and get good, reliable results? Will fanotify help at all?

      • Re: (Score:2, Interesting)

        I've used incron on production boxen heavily over the past couple years and haven't noticed any problems with it, personally.

        fanotify looks pretty sweet, though. Eric Paris made a sort of introductory post about it last year, which is a good read:

        http://lkml.org/lkml/2009/7/24/242 [lkml.org]

        Particularly interesting is his idea of adding 'rename' events. This would mean you could implement something like 'updatedb' in realtime, and always have current results for 'locate'. Not sure if the rename events made it in or no

      • by abigor (540274) on Thursday October 21, 2010 @11:33AM (#33974176)

        fanotify seems interesting because it allows you to watch for arbitrary events on a global basis without specifying which file descriptors you want to watch. It seems to pass the actual file descriptor back to the original object. You read events via getsockopt().

        So, for example, it's very easy to say "notify me of all file open events", for example.

        You can also do the opposite of a global watch, of course, and have it watch for specific file events, much like inotify.

        As I understand it, fanotify came about because of vendor demand for an efficient, non-hackish way to watch for arbitrary filesystem events without ever specifying precise files, paths, etc. An example would be malware vendors.

      • by Late Adopter (1492849) on Thursday October 21, 2010 @11:46AM (#33974362)

        There was inotify, dnotify, fsnotify, fam, gamin, incrond... and since fam/gamin always ended up using 100% CPU or causing other problems

        Of those, only inotify and dnotify were userspace-facing solutions in the stock kernel. Fsnotify was a backend, intentionally preparing the way for fanotify, and it was never intended to be used directly. Fam and gamin are third-party, and unless you know you specifically need them, you should avoid. Incrond is a great userspace program to use inotify... but not an alternative to anything in that list.

        Dnotify was something of an embarrassment, but inotify's been with us a while and it's worked well. Fanotify is an evolution of that, to fix architectural problems that have led to race conditions and scalability concerns. Inotify (and dnotify) is being reimplemented on top of it, so if the inotify interface doesn't cause any problems for you, plan to continue using it (and incrond if you like)!

      • Curious - what problems did you have with inotify? I was looking at it recently to handle some screwy file sharing needs, and it seemed to work well as far as I went with it. In the actual event, we didn't end up needing it, so I never went past some light testing. But if there's issues, it would be good to know next time it comes up.

        • Y'know, it would be great if you could edit your own posts, so that when you type "inotify" but mean "incrond" you could correct yourself.

          Bother.

  • Mirror here: (Score:3, Informative)

    by D4rk Fx (862399) on Thursday October 21, 2010 @10:28AM (#33973218) Homepage
    Mirror Here [mtu.edu]
  • But ... (Score:5, Funny)

    by Osgeld (1900440) on Thursday October 21, 2010 @10:48AM (#33973494)

    I thought linux was up to version 10.10? (Maverick something)

  • Compressed RAM? (Score:3, Interesting)

    by bluefoxlucid (723572) on Thursday October 21, 2010 @10:59AM (#33973636) Journal
    Any updates to the Compressed RAM subsystem, and is this suitable for Android and XO yet? How about Desktop Debian/Ubuntu?
    • Re: (Score:3, Informative)

      I've run it under Lucid and Maverick, it seemed to fix a wireless connection loss issue I was having with the ath9k driver, though it could also be due to upgrading to Maverick. There are various DRM improvements, IIRC, that might help performance a bit.
  • by Anonymous Coward on Thursday October 21, 2010 @11:13AM (#33973852)

    How come Slashdot keeps posting stuff about Linux? Where are our Apple-related news? Lion, iLife '11, FaceTime for Mac and new MacBook Air notebooks were announced yesterday! We never speak about Apple it's always Linux, Linux, Linux! *

    * for the slow-minded, this is a parody of the "Apple news again? We never get any Linux news!" posts. As long as it's not freakin' Microsoft, I'm fine with it.

    • by neoshroom (324937) on Thursday October 21, 2010 @12:21PM (#33974910)

      How come Slashdot keeps posting stuff about Linux? Where are our Apple-related news? Lion, iLife '11, FaceTime for Mac and new MacBook Air notebooks were announced yesterday! We never speak about Apple it's always Linux, Linux, Linux! *

      * for the slow-minded, this is a parody of the "Apple news again? We never get any Linux news!" posts. As long as it's not freakin' Microsoft, I'm fine with it.

      Here, I'll make an Apple user feel right at home:

      The newest version of Linux, Snow Penguin, has been released and this changes everything! This version includes support for the Tilera architecture, a beautiful new filesystem notification interface called iNotify, Spacewarp local caching, support for Intel Intelligent Power Sharing so your computer will otomaticaly [spelled correctly] turn off unused appliances in your house to save you thousands of dollars in power bills every year, developer improvements and a revolutionary AppArmor security system. It's speedy. It works–better. See the full keynote for more details.

      • Dammit... (Score:4, Funny)

        by neoshroom (324937) on Thursday October 21, 2010 @12:24PM (#33974968)

        How come Slashdot keeps posting stuff about Linux? Where are our Apple-related news? Lion, iLife '11, FaceTime for Mac and new MacBook Air notebooks were announced yesterday! We never speak about Apple it's always Linux, Linux, Linux! *

        * for the slow-minded, this is a parody of the "Apple news again? We never get any Linux news!" posts. As long as it's not freakin' Microsoft, I'm fine with it.

        Here, I'll make an Apple user feel right at home: The newest version of Linux, Snow Penguin, has been released and this changes everything! This version includes support for the Tilera architecture, a beautiful new filesystem notification interface called iNotify, Spacewarp local caching, support for Intel Intelligent Power Sharing so your computer will otomaticaly [spelled correctly] turn off unused appliances in your house to save you thousands of dollars in power bills every year, developer improvements and a revolutionary AppArmor security system. It's speedy. It works–better. See the full keynote for more details.

        Dammit...I forgot to call it "magic."

  • by Anonymous Coward

    damn, just compiled 2.6.36RC8 to fix suspend issues on thinkpad x200.
    ps it compiled out of box (no patches) with icc and intel libraries!

  • Accroding to http://en.wikipedia.org/wiki/TILE64 [wikipedia.org] the Tilera CTO and co-founder is Anant Agarwal. According to http://www.csail.mit.edu/user/723 [mit.edu] he is from Madras, India.

    Imagine all Indian computer gurus moving back to India, backed by the wealth of Tata (www.tata.com) or the like.

    Do you think China and other high focus companies have the right to be scared?

    Yet, before then, show me the benchmarks

  • So what's that all about? Is it ready for the desktop yet? Will it upgrade nicely for the cousins I have persuaded to use Ubuntu, and whose schoolchildren are still puzzled?
    • So what's that all about? Is it ready for the desktop yet? Will it upgrade nicely for the cousins I have persuaded to use Ubuntu, and whose schoolchildren are still puzzled?

      This is the kernel. Direct your arguments to GNOME/KDE/Canonical and so on. The kernel is what the distributions themselves are based on. Personally, I'd recommend Fedora/Linux Mint any day over Ubuntu (especially Mint Debian Edition, which is a rolling release distribution, meaning no twice-yearly, buggy upgrades!) for family usage. Also, note that "ready for the desktop" is a very relative statement. To me, it's more than perfect, but to people that want to run MS Office, Photoshop, windows/mac only niche

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