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Thread: System very unstable.

  1. #1

    Default System very unstable.

    My system has become quite unstable recently. Plasma crashes (at random) and often the X server restarts without warning (logs don't reveal anything interesting.) Sometimes, the system does a full hang and I need to use the Magic SysRQ keys.

    I'm fairly sure the problem is tied to KDE4, since IceWM doesn't seem to have this issue.
    I've already deleted .kde4 to reset the settings, to no avail (though the plasma crashing is less often now.)

    Anyone know of anything that could cause this offhand?

    Also, I recently upped my RAM to 4GB. My system is now optimal for a 64 bit install, and I'd like to switch. Can I just change my repos to x86_64 and update the hell out of everything, or do I have to do a complete fresh install?

    If I need to do the latter, can I save a list of all installed software so I can get yast to automatically load it again after I've configured the additional repos I use? (Packman, VLC, etc.)

  2. #2
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    Default Re: System very unstable.

    Changing to 64-bit requires a fresh install.

    You can list the repos you have with zypper lr. You can even get it in a form that's suitable for import by adding the -e option. See the man page.

    You can list all the RPMs you have installed with rpm -qa.

  3. #3

    Default Re: System very unstable.

    Hmm.. I had expected as much.

    Any thoughts on the instability? (I also retract my statement about it not happening on IceWM- it just did.)
    I'd like to not have to do a clean install until 11.2 comes out, but if it must be done, then so be it.

  4. #4
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    Default Re: System very unstable.

    Can't comment on that, no problems here. I (and others) had an issue with the stock kernel with dovecot (and others with samba) and this was eventually resolved with a recent kernel update.

    11.1 systems locking up? - openSUSE Forums

    That's all, aside from the usual hassles with udev permissions, etc. I'm running 64-bit (have been for ages).

    A notebook with 32-bit also runs fine, except that a recent xorg-x11-video-driver update broke X and I (and others) had to revert to the previous release. That bug is currently being investigated.

  5. #5

    Default Re: System very unstable.

    Hmm.. okay.
    Looks like I'll be doing a re-install soon

  6. #6
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    Default Re: System very unstable.

    Hi,

    Quote Originally Posted by VintagePC View Post
    My system has become quite unstable recently. Plasma crashes (at random) and often the X server restarts without warning (logs don't reveal anything interesting.) Sometimes, the system does a full hang and I need to use the Magic SysRQ keys.
    In my view that sounds like a hardware problem. Install superkaramba and look for a nice monitor theme like EasyMonitor to observe your hardware. I just had a similiar problem with one of my computers. The reason was that the CPU fan was not fixed well no more cause one of those plastic feets which fixes it has been broken because of it's age.

    hth

    Bye

    Erik

  7. #7

    Default Re: System very unstable.

    The system is fairly new (just under two years). The only recent hardware change was the addition of the memory... but I'll dig up memtest to see what it says.

  8. #8
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    Default Re: System very unstable.

    Hi,

    Quote Originally Posted by VintagePC View Post
    The system is fairly new (just under two years). The only recent hardware change was the addition of the memory... but I'll dig up memtest to see what it says.
    The age of the system doesn't matter. I've seen systems less than half a year old with serious hw problems. Doing a memory test is a good idea since bad memory is one of the reasons of such strange behaviour. Also it could be a bad hd or a temperature problem. Two years old system? When did you clean the fans amd heyat sinks the last time? I have to do so every half a year since my machine runs 24/7 and I'm a strong smoker. I would check all this first before searching a software problem.

    Bye

    Erik

  9. #9
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    Default Re: System very unstable.

    From what you describe, this is hardware related. Power off completely, unplug power chord, open the case, reseat all parts. Even manufacturors state on their sites, that doing so often reveals "broken" hardware is not broken.
    And.....new RAM, memtest always !!!
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  10. #10

    Default Re: System very unstable.

    Hmph. Turns out that when the full 4GB of ram is installed, there are various errors with memtest. Not so when only 2GB is installed (regardless of which sticks, so the memory is good, and all are of the same model/type/make)
    I'm contacting the mobo maker to see if they have a fix.

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