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Thread: Alt-SysRq-K is broken in QQ 12.10

  1. #11
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    Re: Alt-SysRq-K is broken in QQ 12.10

    Quote Originally Posted by The Cog View Post
    Solved.
    Sorry, mc4man. You were right. I was forgetting myself and trying it on a 12.04 machine.

    ON th e12.10 machine, /proc/sys/kernel/sysrq is indeed defaulted to 172, and setting it to 1 re-enables SysRq-K to kill the X server. Perfick.

    Does that interfere with reisub at all?

  2. #12
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    Re: Alt-SysRq-K is broken in QQ 12.10

    I don't think so. 1 was the default value in 12.04 anyway.
    In 12.10 with the value set to 1, I just confirmed that K, B and O all have the expected effect. E dropped me back to a tty, which I don't remember happening before but I could be wrong there. U seems to do what it's supposed to (lots of read-only filesystem errors until I rebooted). I didn't try I or S, and I don't think R ever did anything visible anyway.
    Last edited by The Cog; October 3rd, 2012 at 09:45 PM.

  3. #13
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    Re: Alt-SysRq-K is broken in QQ 12.10

    Quote Originally Posted by funicorn View Post
    No. keyboard layout setting is removed in gnome 3.60
    No, it is not. I just used it.

    And re-eneabled CTRL+ALT+BACKSPACE.

  4. #14
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    Re: Alt-SysRq-K is broken in QQ 12.10

    Quote Originally Posted by WorLord View Post
    No, it is not. I just used it.

    And re-eneabled CTRL+ALT+BACKSPACE.
    What he was referring to I believe was g-c-c 3.6 & gkbd-capplet, ect. In that case there isn't any layout/options available anymore.
    12.10 (default) won't be using g-c-c 3.6, what Ubuntu decides to do for 13.04 I've no clue

  5. #15
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    Re: Alt-SysRq-K is broken in QQ 12.10

    can you paste your gkbd-capplet version and gnome-control-center version?

    Mine is:
    gkbd-capplet: 3.6.0-0ubuntu1
    gnome-control-panel:
    1:3.6.0-0ubuntu1

    Quote Originally Posted by WorLord View Post
    No, it is not. I just used it.

    And re-eneabled CTRL+ALT+BACKSPACE.

  6. #16
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    Re: Alt-SysRq-K is broken in QQ 12.10

    can you paste your gkbd-capplet version and gnome-control-center version?

    Mine is:
    gkbd-capplet: 3.6.0-0ubuntu1
    gnome-control-center: 1:3.6.0-0ubuntu1

    Quote Originally Posted by WorLord View Post
    No, it is not. I just used it.

    And re-eneabled CTRL+ALT+BACKSPACE.

  7. #17
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    Re: Alt-SysRq-K is broken in QQ 12.10

    can you paste your gkbd-capplet version and gnome-control-center version?

    Mine is:
    gkbd-capplet: 3.6.0-0ubuntu1
    gnome-control-center: 1:3.6.0-0ubuntu1


    Thanks to your message, I downgraded to gnome-control-center 1:3.4.2-0ubuntu18, it's OK now.

    Quote Originally Posted by WorLord View Post
    No, it is not. I just used it.

    And re-eneabled CTRL+ALT+BACKSPACE.

  8. #18
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    Re: Alt-SysRq-K is broken in QQ 12.10

    help.

    I've tried using all means to edit /proc/sys/kernel/sysrq. gedit says it cant save as it cant create a backup ans save anyway doesn't work. Nano seems to work but on reboot it's back to 176.

    How are you guys editing this file?

  9. #19
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    Re: Alt-SysRq-K is broken in QQ 12.10

    Quote Originally Posted by philinux View Post
    help.

    I've tried using all means to edit /proc/sys/kernel/sysrq. gedit says it cant save as it cant create a backup ans save anyway doesn't work. Nano seems to work but on reboot it's back to 176.

    How are you guys editing this file?
    With a command like this:
    Code:
    sudo sh -c 'echo 1 > /proc/sys/kernel/sysrq'
    Writing to this pseudo-file is always overwritten by a reboot. The entire /proc directory tree is in the OS's imagination, they are not files on disk they are a view into the OS's inner workings.

    As described by this post: http://ubuntuforums.org/showpost.php...38&postcount=6
    You can set to reconfigure on reboot by editing /etc/sysctl.conf and adding the line:
    Code:
    kernel.sysrq = 1

  10. #20
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    Re: Alt-SysRq-K is broken in QQ 12.10

    Doh, of course. Memory lapse. Cheers.

    Worky now.
    Last edited by philinux; October 4th, 2012 at 02:08 PM.

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