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Re: Restart problems

>>>>> "Totoro" == Totoro  <> writes:

    Totoro> I've been having a wierd problem lately. Don't know if
    Totoro> it's due to switching to Redhat 4 or not. Anyhow, whenever
    Totoro> I shutdown the system, it never completely shuts down and
    Totoro> cycles back.

I had a similar problem for a while once I shifted to a kernel greater
than 2.0.0.  Actually I still have it, but I have a workaround.

What happened was this.  I have a very crude statistical analysis
program for my HTTP logs.  This log is now over 15MB :-P but I have
lots of disk space at the moment.  For some reason (I think having to
do with a memory leak and exhaustion of virtual memory) this program
would try to access a nonexistent partition on one of my SCSI drives,
causing a file system error.  Again for reasons I didn't understand, 
this results in an inability to sync.  Exiting processes would hang as 
zombies, and programs like `df' would just hang.

    Totoro> I'm always left with the BIOS screen showing
    Totoro> memory available and the big blue IBM (I sense thoughts of
    Totoro> crude remarks about IBM out there...).  It won't come back
    Totoro> and restart from "shutdown -r now" or anything.

This doesn't sound like your problem, though.  First, I never got to
the BIOS screen.  Second you don't mention a fsck at every reboot (the 
inevitable consequence of shutting down without completing a sync).

It sounds like you're not getting to the boot loader, but are getting
to reboot.  So I would guess there's something screwy about your BIOS
or the MBR.  But one can't rule out problems with the kernel,
shutdown(8), and reboot(8).  Have you checked your BIOS CMOS settings?

                            Stephen J. Turnbull
Institute of Policy and Planning Sciences                    Yaseppochi-Gumi
University of Tsukuba            
Tel: +81 (298) 53-5091;  Fax: 55-3849    
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