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Thread: Master Kernel Thread

  1. #1201
    Join Date
    Jan 2009
    Beans
    42
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Master Kernel Thread

    Quote Originally Posted by loomsen View Post
    It's been ever since. Doesn't have to do anything to do with any _ctl_ which _somehow_ doesn't work.

    ...

    If you wanna get rid of it you gotta recompile your kernel.
    UPDATE: The following method does not work. Please refer to the next post.

    Can't we use the "blacklist" to disable modules from auto-loading here?

    e.g. Inside /etc/modprobe.d/blacklist
    Code:
    blacklist ipv6
    blacklist ip6_tables
    There may be more modules to be blacklisted though.
    Last edited by toopi; May 1st, 2009 at 11:38 PM. Reason: Updated

  2. #1202
    Join Date
    Apr 2007
    Location
    San Diego, CA, USA
    Beans
    25
    Distro
    Ubuntu 9.10 Karmic Koala

    Re: Master Kernel Thread

    Quote Originally Posted by toopi View Post
    Can't we use the "blacklist" to disable modules from auto-loading here?

    e.g. Inside /etc/modprobe.d/blacklist
    Code:
    blacklist ipv6
    blacklist ip6_tables
    There may be more modules to be blacklisted though.
    You can use blacklist to disable modules. However, in Jaunty, ipv6 is not a module, as has been stated a few times now, so that is irrelevant. a custom kernel must be recompiled if ipv6 is causing you problems.

    However, this is getting rather off-topic. Sorry I mentioned it in my post.

    To answer my own question that started all this mess, you can delete that huge directory (linux-source-*)you create while compiling so long as you don't need it to recompile with a different config soon. Just make sure you don't delete the new folder that contains the installed kernel (linux-headers-*).

  3. #1203
    Join Date
    Nov 2006
    Beans
    191
    Distro
    Xubuntu 10.10 Maverick Meerkat

    Re: Master Kernel Thread

    I compiled the .30-rc3 kernel using this guide for my Dell inspiron 700m. Wow! The boot-up just flies. I already compiled the .28.1 kernel, and even though I noticed a boost then, it was nothing compared to this one.

    Unfortunately, boot-up is as far as I got. Ubuntu couldn't mount my ext4 /home partition (even though / is also ext4) saying that it needed the CONFIG_LBD module (I guess I disabled too much stuff). Meaning that I have to compile it again (I already compiled it once before, because put the driver for the ipw2200 wireless in the kernel, instead of a module as you're supposed to do) (whoops!).

    I'll perform this again and try it out. But I have a question: the kernel failed to load Apparmor. I'm a home user on a laptop, so I'm not extremely worried, but I'm wondering if Ubuntu uses it for anything by default (wireless or ethernet, for example).

    Another question is that when the final .30 kernel comes out, can erase this rc folder after compiling the new one. I'm asking because it's such a huge directory. When I uninstalled the failed kernel last time, I rebooted under .28 and then tried to delete the .30-rc3 directory and the computer immediately crashed.

    EDIT:

    From Ubuntu Wiki:

    "Kernel upgrade / apparmor-module-source upgrade
    When a new kernel is installed or when a new version of apparmor-module-source is installed, the apparmor module has to be recompiled :

    Code:
    sudo m-a -v -t -f build apparmor-modules
    sudo m-a -v -t install apparmor-modules
    "

    I don't see myself using Apparmor at all, so first I have to wonder if I need to bother (i.e. is there any risk of breakage), and next, if I do, if I need to download this module or what, before carrying out these commands. I don't even know what "m-a" does, I can't find any info on it.
    Last edited by Praxicoide; April 29th, 2009 at 12:31 AM.

  4. #1204
    Join Date
    Nov 2006
    Beans
    191
    Distro
    Xubuntu 10.10 Maverick Meerkat

    Re: Master Kernel Thread

    OK, I'm posting from the new .30-rc3 kernel and no problems so far. Well, except Apparmor is broken. I don't know if this is a problem, doesn't seem like it.

    Anyways, thank you very much for this thread.



    Now, to fix my blacklisted Intel driver!

  5. #1205
    Join Date
    Aug 2008
    Location
    germany
    Beans
    857

    Re: Master Kernel Thread

    Quote Originally Posted by Praxicoide View Post
    Well, except Apparmor is broken.
    Yes, haven't seen me using it neither...

    Would you mind sharing your config? I liked your "I disabled too much stuff earlier "

  6. #1206
    Join Date
    Aug 2008
    Location
    germany
    Beans
    857

  7. #1207
    Join Date
    Oct 2005
    Location
    Newcastle NSW, Australia
    Beans
    111
    Distro
    Ubuntu 9.04 Jaunty Jackalope

    Re: Master Kernel Thread

    There are good how-to's on disabling IPv6 in the Tips & Tutorials forum, simply searching the forum for "Disable IPv6" (without quotes) before posting here, would have yielded the following:

    1. How-To: Disable IPv6 to speed up internet
    2. OUTLINE: Disable IPv6

    Regards
    deepspring.
    DEEPSPRING ::.
    Links: OCAU ::.

  8. #1208
    Join Date
    Aug 2008
    Location
    germany
    Beans
    857

    Re: Master Kernel Thread

    Simply reading the posts above concerning ipv6 in this kernel rather than posting 4-5 year old threads would probably have saved me from writing this answer.

    Quote Originally Posted by deepspring
    There are good how-to's on disabling IPv6 in the Tips & Tutorials forum, simply searching the forum for "Disable IPv6" (without quotes) before posting here, would have yielded the following:

    1. How-To: Disable IPv6 to speed up internet
    2. OUTLINE: Disable IPv6

    Regards
    deepspring.
    You really think everyone around is that stupid? Jeez.

  9. #1209
    Join Date
    Aug 2007
    Location
    Dallas
    Beans
    60
    Distro
    Kubuntu 9.04 Jaunty Jackalope

    Re: Master Kernel Thread

    heyyy relax im sure he was just trying to help. agreed the tone he took was incorrect but whatever. i have a question relating to the .30rc3 kernel. i compiled and installed it (to increase xorg performance on my intel gm965) but when i boot into it my broadcom 4328 wireless is disabled. any suggestions?
    "Come to the Dark Side... We have KookieS" <--haha.. its True.

  10. #1210
    Join Date
    Oct 2005
    Location
    Newcastle NSW, Australia
    Beans
    111
    Distro
    Ubuntu 9.04 Jaunty Jackalope

    Re: Master Kernel Thread

    Quote Originally Posted by loomsen View Post
    You really think everyone around is that stupid? Jeez.
    Common Human Behavior.

    Posting those links may give someone a clue, you never know.

    Edit: FYI
    Last edited by deepspring; April 29th, 2009 at 11:57 AM.
    DEEPSPRING ::.
    Links: OCAU ::.

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