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Thread: Knoppix 7.0.3 CD & DVD now on mirrors

  1. #31
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    Quote Originally Posted by ruymbeke View Post
    Hi kl522,
    Here you go, I remember that Klaus mentioned once that he was using an eepc for development
    and yes Knoppix 7.0.3 is using a more recent version of gcc 4.7.1-2 than the one used to compile
    the kernel (gcc 4.7.1-1) as you read below. So I need to either downgrade gcc to 4.7.1-1 or use
    a previous version of Knoppix which still uses that version of gcc. I would be nice to have installed
    on Knoppix the correct version of gcc to recompile the kernel without complication. I guess this is a
    suggestion for improvement that Klaus may consider to use on his next release.
    Thanks for your help.
    Best Regards,
    Gilles

    root@Knoppix:/# cat /proc/version
    Linux version 3.4.4 (root@eeepc) (gcc version 4.7.0 (Debian 4.7.1-1) ) #14 SMP PREEMPT Sat Jun 23 20:07:21 CEST 2012
    root@Knoppix:/# gcc --version
    gcc (Debian 4.7.1-2) 4.7.1
    Copyright (C) 2012 Free Software Foundation, Inc.
    This is free software; see the source for copying conditions. There is NO
    warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    The module file can be edited manually. I have done before, after editing the module using vi, if the length of string remains, the module can be loaded. Or perhaps insmod has a force option to forcefully load a module.

  2. #32
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    Quote Originally Posted by ruymbeke View Post
    ...So I need to either downgrade gcc to 4.7.1-1 or use a previous version of Knoppix...
    Well Knoppix 7.0.2 is using an older version of gcc 4.6.3-7 so I will need to downgrade gcc on Knoppix 7.0.3.
    So what is the easiest way to find and reinstall an older version of gcc ?
    apt-get -y --reinstall install gcc-4.7=4.7.1 does not work: "E: Version '4.7.1' for 'gcc-4.7' was not found"
    Best Regards,
    Gilles

  3. #33
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    Quote Originally Posted by kl522 View Post
    The module file can be edited manually. I have done before, after editing the module using vi, if the length of string remains, the module can be loaded. Or perhaps insmod has a force option to forcefully load a module.
    Perhaps can try this :-

    # sed -i -e 's/GCC: (Debian 4.7.1-2) 4.7.1/GCC: (Debian 4.7.1-1) 4.7.0/g' oprofile.ko

    Might be faster than other methods.

  4. #34
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    Quote Originally Posted by kl522 View Post
    ... sed -i -e 's/GCC: (Debian 4.7.1-2) 4.7.1/GCC: (Debian 4.7.1-1) 4.7.0/g' oprofile.ko ...
    Nice trick but the module still does not load because of Unknown symbols.
    I may have to overlay the kernel and all the modules ...

  5. #35
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    Too bad then, I think other things are probably changed too. Maybe can still try modprobe -f.
    Last edited by kl522; 08-01-2012 at 09:36 AM.

  6. #36
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    Quote Originally Posted by kl522 View Post
    Too bad then, I think other things are probably changed too. Maybe can still try modprobe -f.
    Hi kl522,
    Nope: # depmod; modprobe -f oprofile ==> ERROR: could not insert 'oprofile': Exec format error
    Thanks for your help !
    Gilles

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