freebsd stable - Jan 2005 - sometimes 5.3-RELEASE-p5 is stuck at the last steps of shutdown

Hello all.

I use FreeBSD 5.3-RELEASE-p5 on i386. Sometimes my system is stuck at the
last steps of shutdown. Following quoting is what I saw yesterday when my
system was stuck again (the last lines):

init: some processes would not die; ps axl advised
Waiting (max 60 seconds) for system process `vnlru' to stop... done
Waiting (max 60 seconds) for system process `bufdaemon' to stop... done
Waiting (max 60 seconds) for system process `syncer' to stop...
Syncing disks, vnodes remaining... 2 1 0 0 0 done
No buffers busy after final sync

I've experienced such system stucks after short and also not so short
uptimes. I don't know how to reproduce it for sure. Before that specific
shutdown I ran Xorg 6.8.1 with KDE 3.3.2 but then I quit KDE, quit X and
logged out. I don't use either xdm nor kdm.

On the next boot '/', '/tmp' and '/usr' were declared as
not properly
dismounted.

How could the shutdown processing be fixed so it will never stuck?


		
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Rostislav Krasny wrote:
> Hello all.
> 
> I use FreeBSD 5.3-RELEASE-p5 on i386. Sometimes my system is stuck at the
> last steps of shutdown. Following quoting is what I saw yesterday when my
> system was stuck again (the last lines):
> 
> init: some processes would not die; ps axl advised
You should try to find out what's causing that. I personally got this a few 
times, too, when a mount command got badly stuck because trouble with the hdd.

-- 
    ,_,   | Michael Nottebrock               | lofi@freebsd.org
  (/^ ^\) | FreeBSD - The Power to Serve     | http://www.freebsd.org
    \u/   | K Desktop Environment on FreeBSD | http://freebsd.kde.org

in message <20050124112207.2442.qmail@web14824.mail.yahoo.com>,
wrote Rostislav Krasny thusly...
>
> I use FreeBSD 5.3-RELEASE-p5 on i386. Sometimes my system is stuck
> at the last steps of shutdown. Following quoting is what I saw
> yesterday when my system was stuck again (the last lines):
> 
> init: some processes would not die; ps axl advised
I did not have seen or notice this message.

> Waiting (max 60 seconds) for system process `vnlru' to stop... done
> Waiting (max 60 seconds) for system process `bufdaemon' to stop... done
> Waiting (max 60 seconds) for system process `syncer' to stop...
> Syncing disks, vnodes remaining... 2 1 0 0 0 done
> No buffers busy after final sync
I am using the same version as above on IBM ThinkPad T42 (2373-5TU).
Before i removed the, well, removable CD/DVD drive, system would
either turn off the power or bring up "System halted ... Press a key
to reboot or turn off power" like message, depending upon the
command issued (apm or acpi).

After removing the CD/DVD drive (while the computer was turned off),
system refused to shutdown (or bring up the message "System halted
..."), or to respond to Ctrl-Alt-Esc or Ctrl-Alt-Del keys.  It just
stuck at the above mentioned message, "No buffers busy ...".  I
tried 2-3 times, w/ acpi only, both in console and X.  (I did not
see anything interesting in the logs later.)

(Yes, after reinserting the drive, system halts/shuts down as
expected.)


  - Parv

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