[olug] My console has fallen and it can't get up

[Smith, Daniel E.]

i have had that before i just telneted into the box su to root and did a ps
-ef found the process and did a kill -9 on it

> -----Original Message-----
> From:	Jason Ferguson [SMTP:jferguson3 at home.com]
> Sent:	Wednesday, January 31, 2001 5:02 PM
> To:	olug at bstc.net
> Subject:	Re: [olug] My console has fallen and it can't get up
> 
> Derek,
> 
> Okay, no telling when this email will actually go through, but if you have
> "Magic SysReqKey" compiled in, there are some key combinations.  Check
> out, in a
> linux source tree, Documentation/sysrq.txt. One of those may help you.
> 
> Jason
> 
> dbw wrote:
> 
> > So, I?ve got this linux server that is basically only a firewall
> > / IP Masquerade. There are no ports listening for connections on
> > telnet, ssh, rlogin or otherwise.  The box has been running for a
> > couple months now without restart and or incident.  (uptime approx.
> > 65 days)  The distribution is Redhat and the kernel is 2.2.16 (or
> > in that neighborhood).
> >
> > The box was running in Xwindows, the screensaver on, and after a
> > keystroke the screensaver password prompt appeared. I attempted to
> > enter my password so I could access the environment and do some work.
> > I typed in my password and hit the ENTER key...
> >
> > The console is frozen, no keyboard or mouse response.  I cannot change
> > consoles, I cannot even change the caps lock state on the box.  No
> > keyboard response, yet the caps lock and scroll lock lights are lit,
> > and the keyboard connection is fine.  The keyboard works on other
> > computers also, so this is not a keyboard hardware problem.
> >
> > However, the ipchains and firewall stuff is still working fine.
> > I can ping the box and it replies without delay.  The box is also
> > a cache name server and share the Internet to a lan of Windowze
> workstations.
> > It is still serving in this capacity and working.  From this point
> > of view, the box is still functioning ok.
> >
> > I simply cannot get a console to respond.  I can?t get a CNTRL-ALT-
> > DELETE to work.  The only thing that I ?could? do is to unplug the
> > unit or hold down the power button accomplishing the same thing.
> > The computer power supply is ATX architecture.
> >
> > Killing the power is the last thing I want to do.  I haven?t done
> > this yet because the box is still working as a firewall / IP Masquerade
> > server.  But I would like to know 1) what causes this and 2) a better
> > way to get console back other than to kill the power.
> >
> > Has anyone else had a linux box lock up (while in Xwindows) to the
> > point where you cannot even change to another console and access
> > another shell?  Is this a problem with mingetty, or is there a known
> > issue? Is there any way to make the box start responding again? Keep
> > in mind there are no remote shells to access.
> >
> > thanx
> >
> > -Derek
> >
> > (append)
> >
> > I doubt this is a hardware issue or I believe that the box would
> > not be functioning at all.  I am disappointed that this is happening,
> > I choose linux as a solution for this task because I was avoiding
> > this very thing from happening; the type of thing that happens in
> > Micro$oft environment.
> >
> > ______   __   _   ________________________________________
> >
> > _____   / /  (_)__  __ ____  __                         __
> > ____   / /__/ / _ \/ // /\ \/ /   commando at robotz.com   __
> > ___   /____/_/_//_/\_,_/ /_/\_\   ________________________
> >
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> 
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