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

Dave Burchell burchell at inetnebr.com
Sat Feb 17 04:11:03 UTC 2001


dbw says:

> If I enabled a remote login service, such as rlogin, then I would 
> be able to access this machine while the console is frozen.  For 
> some reason, the keyboard and mouse do nothing when I try to login 
> directly from the console, yet if I have a remote login service running 
> I am able to access the machine, authenticate, and use a working 
> shell via this method.  However, I do not wish to enable rlogin, 
> telnet, ssh, or any remote login service on this unit for security 
> reasons. (See previous posts for more details)

Ok, so you are saying you have tried running rsh (or ssh or telnet or
something) temporarily so as to test your theory that they still work when
the console is locked, right?

If so, try killing the process that is running on your console.  To
illustrate, check out this output from my computer:

lust$ ps auxf
burchell   242  0.0  0.6  1176  516 tty1     S    21:46   0:00 -ksh
burchell   395  3.7  1.1  1556  916 tty1     S    22:04   0:01  \_ top
root       243  0.0  0.5  1004  440 tty2     S    21:46   0:00 /sbin/getty 38400 tty2
root       244  0.0  0.5  1004  440 tty3     S    21:46   0:00 /sbin/getty 38400 tty3
root       245  0.0  0.5  1004  440 tty4     S    21:46   0:00 /sbin/getty 38400 tty4
root       246  0.0  0.5  1004  440 tty5     S    21:46   0:00 /sbin/getty 38400 tty5
root       247  0.0  0.5  1004  440 tty6     S    21:46   0:00 /sbin/getty 38400 tty6
root       248  0.0  0.5  1004  444 ttyS1    S    21:46   0:00 /sbin/getty -L ttyS1 9600 vt100

Try killing the "getty" processes or the process running on the virtual
console you currently have up (see column 7).  I don't know if this
will help or not.

Another option might be to add/turn on some debuging in the kernel.
How does the kernel handle mouse and keyboard?  Is there some way you
can verify that the problem is or is not hardware by looking at kernel
interaction with that hardware?

-- 
Dave Burchell                                          40.49'N, 96.41'W
Free your mind and your software will follow.              402-467-1619
http://incolor.inetnebr.com/burchell/                  burchell at acm.org     

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