Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 17 Dec 1998 01:14:14 -0500 (EST)
From:      Alfred Perlstein <bright@hotjobs.com>
To:        Karl Denninger <karl@Denninger.Net>
Cc:        hackers@FreeBSD.ORG
Subject:   Re: yup, found it (NFS)
Message-ID:  <Pine.BSF.4.05.9812170109481.378-100000@bright.fx.genx.net>
In-Reply-To: <19981216231238.A27463@Denninger.Net>

next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, 16 Dec 1998, Karl Denninger wrote:

> On Wed, Dec 16, 1998 at 11:08:56PM -0600, Karl Denninger wrote:
> > Example:
> > www      11988  0.0  0.5  6260  612  ??  D     8:12AM   0:00.99 /lbin/httpd.apa
> > www      11994  0.0  0.5  6288  620  ??  D     8:12AM   0:06.68 /lbin/httpd.apa
> > 
> > Guess what.  Right at 8:12 in the morning the server gets "kicked" to
> > produce logs (it gets sent a SIGINT).  Hmmm.....
> 
> Oh, by the way, the lock happens HERE:
> 
> 27724 11988  1754   0 -22  0  6260  612 vmpfw  D     ??    0:00.99 /lbin/httpd.
> 27724 11994  1754   0 -22  0  6288  620 vmpfw  D     ??    0:06.68 /lbin/httpd.
> 
> 
> "vmpfw".  I checked the code; that's another tsleep call bracketed with spls.
> This executable is coming off an NFS volume and took the signal.
> 

this is a pretty mean thing to do, but have you checked on the
effects deleting a running binary has on a NFS client running that
binary off a server?

what do you tell the poor process?

prolly something along the lines of "i'm sorry, but you'll never
page again son"

(sorry) :)

Alfred Perlstein - Programmer, HotJobs Inc. - www.hotjobs.com
-- There are operating systems, and then there's FreeBSD.
-- http://www.freebsd.org/                        3.0-current

> --
> -- 
> Karl Denninger (karl@denninger.net) http://www.mcs.net/~karl
> I ain't even *authorized* to speak for anyone other than myself, so give
> up now on trying to associate my words with any particular organization.
> 


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-hackers" in the body of the message



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSF.4.05.9812170109481.378-100000>