Freebsd 6-Stable lockups

Paul Beckers paul at
Wed Nov 1 18:21:57 UTC 2006

Hi Chris,

I've noticed the same on three of my FreeBSD 6 systems, until now I  
haven't found any clue on this. FreeBSD 5 stable was no problem,  
FreeBSD 6 is quite a mess with no trace at all on what might have  
caused the machine to freeze. I agree with you that it could very  
well be a user application problem because my kernel config is quite  
trivial, my updating routines (cvsup and portupgrade) are trivial and  
actually the whole configuration of my box isn't exciting. I've  
opened a thread at and posted an email on this mailing  
list as well. 
Perhaps, comparing both configurations could identify the bad  

Kind Regards,
Paul M.C. Beckers

On Nov 1, 2006, at 6:09 PM, chris scott wrote:

> Hi all,
> I have a kind of anoying problem at the moment. A system I run  
> keeps radomly freezing/locking up. This can be anywhere from 2  
> hours to a week after the last reboot/lockup. The only fix its to  
> power cycleit. It isnt kernel panicing, it just locks. Even  
> accessing  via serial doent work. I have  changed all the hardware  
> so the issue is unlikely to be there. The load on the box isnt all  
> that high and the memory usage looks fine (all rrded). The box is  
> running quite a lot of services (apache, mysql,exim. spamassasing,  
> clamav, courier, openvpn, zebra). Usually all these services, apart  
> from openvpn and zebra,  run in a jail. I dont think this is an  
> issue as the machine still freezes if i run them non jailed.  
> Deactivating all these services apart from openvpn and zebra  
> (needed for monitoring), seems to fix the problem from what I can  
> see so im fairly sure the problem lies in these somewhere. However  
> can anoyone suggest I way i can easily pinpoint the problem other  
> that stepping though each app, as this would take an age to perform  
> and be very tedious.
> The system has been  rebuilt from src (make world) several times,  
> and I have dont a portupgrade  -a. All the local installations  
> were  done from ports.
> I have tried running a debug kernel, but it didnt seem to yeild  
> much useful info.
> Im running 6-stable( last build 4 days ago )
> its an SMP kernel on 1 gig intels
> with 1.2gig ram
> 2 x 80 gig ide hd
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