[NTLUG:Discuss] How to revive local console

richard witt imageek72 at gmail.com
Thu Jul 9 11:58:25 CDT 2009


I have also had this happen but it was due to a bug in the Nvidia
drivers. This was sometime back but it is worth checking out. Sounds
like the same kind of issue

On Thu, Jul 9, 2009 at 11:36 AM, william jones<wljonespe at verizon.net> wrote:
>
>
> --- On Thu, 7/9/09, Michael Barnes <barnmichael at gmail.com> wrote:
>
> From: Michael Barnes <barnmichael at gmail.com>
> Subject: Re: [NTLUG:Discuss] How to revive local console
> To: trryhend at gmail.com, "NTLUG Discussion List" <discuss at ntlug.org>
> Date: Thursday, July 9, 2009, 11:07 AM
>
> On Thu, Jul 9, 2009 at 7:59 AM, terry<trryhend at gmail.com> wrote:
>> On Thu, Jul 9, 2009 at 7:51 AM, terry<trryhend at gmail.com> wrote:
>>> On Tue, Jul 7, 2009 at 12:52 PM, Michael Barnes<barnmichael at gmail.com> wrote:
>>>> I'm running Ubuntu 9.04.  Sometimes I leave it for 10-20 minutes (or
>>>> more) and when I come back, the screen saver is frozen and everything
>>>> seems to be locked up on the local console.  However, everything seems
>>>> to be running.  I can ssh in from another machine and all looks OK.
>>>> I've tried killing things off to try to get the local console back to
>>>> no avail.
>>>>
>>>> Any ideas on how I can revive the local console without rebooting the
>>>> machine?  When I kill the screen saver, the screen generally goes
>>>> black.  Even if I can get it to come back to a login or something.
>>>>
>>>> Thanks for any comments.
>>>>
>>>> Michael
>>>>
>>>
>>>
>>> When you ssh in, try killing / restarting the X server, (which is what
>>> appears to be locking up).
>>>  /etc/init.d/gdm stop ;  /etc/init.d/gdm  start
>>> or
>>>  /etc/init.d/gdm restart
>>>
>>> I assume you are running gnome, but; If you are running KDE:
>>>  /etc/init.d/kdm restart
>>>
>>> Before that, it might be interesting to poke around a bit to see
>>> what's happening. I'd first see if the system resources are running
>>> low.
>>>  top
>>> If you look at the top consumers of resources, you may be able to find
>>> the problem.  It might also be time to test your memory. There could
>>> be something wrong with the screensaver application, but I doubt it.
>>>
>>> I suppose it could also have something to do with the display adapter
>>> or the kernel module that is running it.
>>> Just out of curiosity, what video card do you have? And what driver
>>> are you using for it?
>>>
>>
>>
>> If the screensaver is looking your system up, why not just turn it off?
>>
>>
>
> The computer is a stock Dell Optiplex 745.  I'm not sure what video
> card it is using, but it is one specifically for dual DVI monitors.
> As far as drivers go, I just installed a generic Ubuntu download for
> 8.10, which it self upgraded to 9.04.  I probably will go ahead and
> disable the screen saver.  I really don't need it on this machine.
> But, I must admit, there are some really magnificent patterns and
> colors in this collection of screen savers.
>
> I've gone in and looked with top a couple times when this has
> happened.  Nothing seems to be locked or hogging resources.  The
> screensaver just stops and nothing seems to wake it up or close it.
> Killing the screensaver doesn't help.  Restarting gdm doesn't seem to
> do anything either.
>
> Maybe it's the video card.  Can it be "restarted" or reinitialized so
> to speak?  Although I would think restarting gdm should do that.
>
> Thanks for the continued ideas.
>
> Michael
>
> I had similar problems with my own desktop computers.  The cause was over heatiing.  The solution was to check the fans for operation, then use a blower to clean the dust out of rhe inside of the computer and all the computer air filters.
>
> WLJ
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