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Thread: Prelinking Guide- Make Ubuntu Feel Faster

  1. #71
    Join Date
    Nov 2005
    Location
    South Yorkshire, UK
    Beans
    237
    Distro
    Xubuntu 10.04 Lucid Lynx

    Re: Prelinking Guide- Make Ubuntu Feel Faster

    I just installed prelinking then did a prelink -p to see what was being prelinked and what wasn't. Firefox was the program I wanted prelinking most.

    But i see this

    /usr/lib/firefox/firefox (not prelinkable)
    Pretty pointless if this is the case .

    I really think prelinking is a waste of time. For a start firefox doesn't get prelinked at all and the only 2 applications that start slightly faster are GIMP and OO.

  2. #72
    Join Date
    Jul 2006
    Location
    Nebraska, USA
    Beans
    4
    Distro
    Ubuntu 7.10 Gutsy Gibbon

    Re: Prelinking Guide- Make Ubuntu Feel Faster

    Anyone see this before?

    Code:
    *** glibc detected *** free(): invalid pointer: 0xb7e2ec38 ***
    /etc/cron.daily/prelink: line 53: 27838 Aborted                 
    /usr/sbin/prelink -a $PRELINK_OPTS >>/var/log/prelink.log 2>&1
    Maybe it's just me. A check of the log file it spits out reveals this in the last 2 lines...

    Code:
    /usr/sbin/prelink.bin: /usr/bin/mppdec: Symbol section index outside of section numbers
    Prelink failed with return value 134
    mppdec is used for playing music from the cmd line? never used it. I don't think sound converter or any of my audio programs need it, so if you have a tip on how to remove it; great.

    Any other thoughts would be appreciated.

    Thanks in advance,

    Roark

    PS - followed first post to a T. Issued this: sudo /etc/cron.daily/prelink and got the above results. Attached log file if that helps.
    Attached Files Attached Files

  3. #73
    Join Date
    May 2005
    Location
    Holland
    Beans
    139
    Distro
    Kubuntu 6.10 Edgy

    Re: Prelinking Guide- Make Ubuntu Feel Faster

    I had this problem as well.
    I've seem to fixed it for my machine by just completely removing the prelink program (including conf. files) and than just reinstalling it!

    Right now my machine is prelinking and this seems to have solved my PC.

    I don't know what has caused this problem! but for your info
    I'm using the portback and a lot of other repo's maybe this causes my problem!

  4. #74
    Join Date
    Jul 2006
    Location
    Nebraska, USA
    Beans
    4
    Distro
    Ubuntu 7.10 Gutsy Gibbon

    Re: Prelinking Guide- Make Ubuntu Feel Faster

    Thanks Robert, I tried that but still doesn't work. Fails at the same part. I'm thinking I may have a memory issue at that address...

    Anyway, thanks for the suggestion. Hope it helps someone else if they have similar issues.

  5. #75
    Join Date
    May 2005
    Location
    Holland
    Beans
    139
    Distro
    Kubuntu 6.10 Edgy

    Re: Prelinking Guide- Make Ubuntu Feel Faster

    To bad, did you purge the program?

    Maybe it helps if you un-prelink your machine first and then remove (purge) the program and then re-install it.

    But i'm not very familiar with prelinking so it might cause other problems, be carefull!!!

  6. #76
    Join Date
    Jul 2006
    Location
    Nebraska, USA
    Beans
    4
    Distro
    Ubuntu 7.10 Gutsy Gibbon

    Re: Prelinking Guide- Make Ubuntu Feel Faster

    Robert,

    I did the prelink undo command and then uninstalled the program. Tried re-installing it. Nothing. Same error.

    So I'm thinking it's a hardware issue. Thanks again.

  7. #77
    Join Date
    May 2005
    Location
    Holland
    Beans
    139
    Distro
    Kubuntu 6.10 Edgy

    Re: Prelinking Guide- Make Ubuntu Feel Faster

    Damn, to bad! I don't know anything else to look at!

  8. #78
    Join Date
    Apr 2006
    Beans
    42
    Distro
    Edgy Eft Testing

    Re: Prelinking Guide- Make Ubuntu Feel Faster

    Uh oh, I have a similar problem - except I ran my HD space to 0B free while downloading too many torrents at once and didn't pay attention during a prelink... So then prelink stopped/froze (left on for over an hour - usually takes 1 min) and won't continue even after freeing up space on / ...

    So now I can't boot into the system (fsck segfaults) but I can boot into Recovery mode and luckily still be able to aptitude packages (but other commands won't work - they segfault too)... I've tried running prelink again (which works until the last line in the script where it uses awk but I think it's not needed anyway for prelink to work) both with turning prelink "yes" and "no" but my system is still broken...

    I'll try to reinstall e2fsprogs once I get back to fix the fsck once I'm at my computer and maybe that works... But just wondering if there a quick way to do something like sudo aptitude reinstall base/* to get all the base packages reinstalled? Or another way to work around this without reinstalling Ubuntu (won't have time this whole week)?
    Last edited by mrvw0169; August 11th, 2006 at 04:00 AM.

  9. #79
    Join Date
    Oct 2005
    Location
    Fribourg,Switzerland
    Beans
    1,749

    Re: Prelinking Guide- Make Ubuntu Feel Faster

    Works like a charm here! Thank you poofyhairguy's Avatar
    poofyhairguy!


    I always get this:
    Running prelink, please wait...
    /etc/default/prelink: line 41: syntax error near unexpected token `}'
    /etc/default/prelink: line 41: `DPkg:ost-Invoke {"echo Running prelink, please wait...;/etc/cron.daily/prelink";}'
    Is it normal? Should I remove all "unexpected tokens "}" on line 41"?
    Thanks for reading.
    my JAMENDO * The XY sex-determination system is the sex-determination system found in humans and Z was my donor! * Tarot and Poya Sutra | * # 12755

  10. #80
    Join Date
    Aug 2005
    Beans
    47

    Re: Prelinking Guide- Make Ubuntu Feel Faster

    It seems you've put the 'Dpkg:ost-invoke...' line in the wrong file. It should be in /etc/apt/apt.conf not in /etc/default/prelink.

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