Re: Possible 'who' bug?

[Peter Butler]

Sorry for not having givenyou these O/S details earlier, it's:

address@hidden (28)] uname -a
Linux bart 2.4.2-2 #1 Sun Apr 8 20:41:30 EDT 2001 i686 unknown

address@hidden (29)] cat /proc/cpuinfo
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 8
model name      : Pentium III (Coppermine)
stepping        : 3
cpu MHz         : 798.173
cache size      : 256 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 2
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov 
pat pse36 mmx fxsr sse
bogomips        : 1592.52

Also, attached is /var/run/tmp, if it's of any help...







On Friday 26 April 2002 01:19 am, Bob Proulx wrote:
> > Possible bug with 'who', or kernel?
>
> Possibly neither.
>
> > I have a couple of entries listed when I do a 'who' that I can't seem to
> > get rid of (other than rebooting).  I've even gone so far as to take my
> > system down to INIT runlevel 1 (single-user mode) and kill all extraneous
> > processes (so that only the kernel threads and the single-user mode bash
> > shell are running) and yet I still always see:
> >
> > peter    pts/19   Apr 22 17:20
> > peter    pts/21   Apr 22 17:24
> >
> >
> > My computer is still in this 'state' so if there is anything you want me
> > to look at (yo get you some more debug info) let me know.
>
> The who command formats and prints the contents of /var/run/utmp aka
> /etc/utmp aka /var/adm/utmp.  [Many names because there are many
> different systems and people have differing ideas about where it
> should go.]  who does not modify the contents and has not control over
> it.  The who command just prints out what other operating system
> programs have logged there.
>
> I have also seen cases where entries get written to the file and
> nothing cleans those up.  Normally when you log into a computer any
> interactive tty login will be recorded in that file.  When you log out
> the entry will be removed.  This also happens when you start up xterm
> windows.  But if things crash they do not get the chance to clean up
> the file and will sometimes leave that data around.  If this is
> happening often then probably something systematic is occurring which
> you could track down and fix.  This might be a program not quite
> properly configured on your system.
>
> You did not say which operating system you were working on.  Different
> systems handle this differently.  You can usually do a 'man utmp' to
> get information about your particular system.
>
> Sorry this is not of more help in solving your problem.  But perhaps
> it will help in some way.  Good luck.
>
> Bob

-- 

Peter Butler
Software Engineer, Signaling Systems Group
Performance Technologies Inc.
http://www.pt.com
Tel: 613-237-4284 x. 244
Fax: 613-237-5277

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