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2.6-series Linux kernel opinions

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  • 2.6-series Linux kernel opinions

    Mainly out of boredom but with a strong dose of curiosity I built my first production 2.6.3 kernel today, also the first one I had built from this tree since the (then-disastrous) release-candidate 2.5-series. I have to say, I'm rather impressed with the results on the test system (2.4GHz P4 Northwood, i845 chipset, Slackware 9.1 as base OS).

    For an early-release kernel, the i845 support is notably better than under 2.4 - an odd sound glitch involving mp3 decompression is gone, and YUY2 video overlay support now works properly (tvtime is actually operational). Performance actually seems a bit snappier, too. Not that I've conducted extensive tests at this point - these are all just first-run observations.

    The new menuconfig system takes a bit of getting used to, but the new hierarchy means that options are laid out more logically than in past releases. One thing I did notice: no more prompting if you build a kernel that's too large to fit on a boot floppy, though the option is there to install the kernel to the floppy.

    I'm pretty impressed with it on the first run - it seems like modern hardware is supported much better than under 2.4. Obviously I'm running it on my semi-sacrificial desktop, so critical production-environment components like RAID support, SMP, 10Gbit interfaces, and hardcore routing haven't been tested. However, it looks like it could mature into a better-managed kernel series than 2.4 turned out to be.

    Anyone else care to weigh in? It'd be good to hear others' opinions on this.

  • #2
    O(1) thread selection and the new VM are probably the two biggest advantages of 2.6 over 2.4.

    (of course, as a Solaris zea*cough* administrator, I feel the need to point out that Solaris's timeshare scheduler has had constant time thread selection for over half a decade)
    45 5F E1 04 22 CA 29 C4 93 3F 95 05 2B 79 2A B0
    45 5F E1 04 22 CA 29 C4 93 3F 95 05 2B 79 2A B1
    [ redacted ]

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    • #3
      2.6 to me is alot faster then the privous kernel. I myself did a small talk on this at the last dc707 meeting, the notes can be found at http://www.ck3k.org/ck3kguidetokernel.html it was mainly a install guide, but alot of the group has 2.6 up and running without to many problems. Security was a small factor but .3 seems to have taken care of it.
      ~:CK:~
      I would like to meet a 1 to keep my 0 company.

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