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>
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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
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