[ale] Hanging problem.

[Eric Z. Ayers]

Hello Prabhu,

Unfortunately, a 'keyboard hang' could be lots of things

1) Are you booted into the graphic interface?
2) If so, did you try hitting CTRL-ALT-F1 or F2 ... and can you type
    in one of the virtaul terminals?
3) Does hitting CTRL-ALT-BACKSPACE restart X and fix the problme?

If you answered 'yes' to all of the  above, then there is 'something
wrong' with your X/Gnome/KDE setup. It could be an application has
grabbed the keyboard, a buggy X server, a bug in KDE or GNOME.  Your
best bet is to try
to understand what happens right before the 'hang'

-Eric.

Prabhu Kubendran wrote:
> 
> hi Eric,
>     Actually i found that it was a keyboard hang and not the system hang. i
> was able to telnet from other pc and use it. What may be the cause for it.
> 
> thanx,
> /prabu.
> 
> "Eric Z. Ayers" wrote:
> 
> > Prabhu Kubendran wrote:
> > >
> > > hi all,
> > >
> > >                          We are creating a minimised version of linux
> > > from Redhat linux 6.2. We have stripped of  many unwanted things which
> > > are not needed for our application. Now we are facing the problem of
> > > random hanging. Is there any methods of  debugging such a problem or is
> > > there any log files from where we can find reason for this problem.
> > >
> > > Thanx,
> > > /prabu.
> >
> > one method we have used is to redirect the console messages to a serial
> > port, and then log them on another computer.  Occasionally write some
> > interesting info out to /dev/console via a script from cron.
> >
> > I will tell you that we have commonly had problems with DMA and IDE
> > disks. We have this problem when working off of CD-ROM as well as with
> > hard disks.
> >
> > I put:  hdparm -d 0 /dev/hd?
> > in our boot scripts
> >
> > If you have only installed on one computer, you might try the
> > 'memtest86' program just to check the hardware (this program is
> > independent of Linux)
> >
> > -Eric.
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