[Samba] samba freezes the server

[Jeremy Allison]

On Fri, Jan 02, 2009 at 04:36:51PM +0100, Sascha Zucca wrote:
> Hello List !
> oh my....i have a very severe problem here, and i absolutely need
> assistance...
> 
> my samba version is 3.2.6-3.1-2034-SUSE-CODE11
> on an opensuse 11.1 though this thing happened on an ubuntu intrepid
> with 3.2.4 too:
> 
> the smbd freezes the whole system here.....for no obvious reason
> i already tested everything, and everything works perfectly, untill 2 or
> more people want to work with it...
> 
> - hardware is ok (18h stress test with bonnie, mprime, glxgears, memtester)
> 
> - samba basically seems ok too (8 hours of running a script copying 500
> mb to a share, deleting them again and restarting the procedure. this
> has been done with 400 loops on 3 clients simultanously and everything
> was functioning very well.)
> Logging in and out, reaching the shares, copying the profiles to the
> server...everything is normally ok.
> 
> i am labouring on this for about 2 weeks now....and the problem is not
> really reproducable it just happens to appear once or twice a day...
> the whole system is frozen then and nothing can be done unless you
> restart the whole server machine makeing it work perfect

This sounds like a kernel bug to me. An smbd bug can only freeze itself,
not the entire machine.

Jeremy.