Machine refuses to reboot

Machine refuses to reboot

Post by Griff Miller I » Thu, 26 Aug 1999 04:00:00

I have an E4500 running 2.6 with the recommended patches. It
has an A5000 disk array attached, and all the filesystems
are "vx'd" :

% df -kl
Filesystem            kbytes    used   avail capacity  Mounted on
/dev/vx/dsk/rootvol   492871   97257  346327    22%    /
/dev/vx/dsk/usr       962983  397050  508155    44%    /usr
/proc                      0       0       0     0%    /proc
fd                         0       0       0     0%    /dev/fd
/dev/vx/dsk/var       487423  156995  281686    36%    /var
swap                 5259680    2880 5256800     1%    /tmp
                     105810989 76835684 28975305    73%    /export/raid5

The problem is that, when I reboot the machine (with shutdown -i6 or
init 6) it goes through the usual stuff on the console, down to the
"The system is down" message, and then hangs. It won't reboot. I've
waited up to an hour before, but I always have to Stop-A and sync.
Often, /var, /usr, or / (can't remember for sure which) comes up dirty
and the system fsck's it/them.

This wasn't always a problem. Unfortunately, I can't pin down at what
point in the past it started, since the machine is rarely rebooted.

Once, by making everyone logout and by killing any non-root and non-daemon
processes, and then rebooting, it worked. But I haven't been able to repeat
the experience even though I go to the same trouble every time.

Any insights would be appreciated. An email cc of your response would
also be welcome.

Griff Miller II
Senior Unix/NT Sysadmin
PGS Tensor                "Words must be weighed, not counted."


1. 'reboot' sometimes reboots my machine!!


'reboot' _sometimes_ causes my machine to reboot! Note emphasis on
"sometimes."  The rest of the time, it just hangs ("system halted").
This random behaviour is consistently random for reboot, shutdown, and
halt. 'reboot -q' is also just as random.  

Config info: Linux 0.99 pl10+ (MCC Interim Distribution), 386 SX/16
with 2meg RAM, 40meg IDE, and 1989 AMI BIOS.

Thanks in advance for any ideas!


Louisiana Tech University BSEE/Sr  * All rights reserved. No warranty, etc

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