Re: possible NFS lockups

2010-07-31 Thread Rick Macklem
> From: "krad" > To: freebsd-hackers@freebsd.org, "FreeBSD Questions" > > Sent: Tuesday, July 27, 2010 11:29:20 AM > Subject: possible NFS lockups > I have a production mail system with an nfs backend. Every now and > again we > see the nfs die on a particular head end. However it doesn't die >

Re: freebsd exokernel

2010-07-31 Thread Ali Mashtizadeh
Hi Fabio, Exokernels are great operating systems for prototyping or learning. You obviously incur a lot more performance hits when you implement such an architecture. I haven't looked into the details of DragonflyBSD too much but they have enough infrastructure to run a userlevel kernel that is so

Re: freebsd exokernel

2010-07-31 Thread Fabio Kaminski
yes , i have snifed the mach.. but i dont like the message passing idea.. its from the microkernel species and theres even a nouveau reincarnation called barrelfish http://www.barrelfish.org .. wich is a sort of microkernel but running one kernel core nucleus for each core and message passing each

Re: freebsd exokernel

2010-07-31 Thread CDP
On 07/31/10 15:06, Julian H. Stacey wrote: would it be a feasible project to borrow things from freebsd, and start a project like this? anyone like this idea ?? The code is free to use :-) anyway, just some thoughts for now.. See also eg Mach. http://en.wikipedia.org/wiki/Mach

Re: freebsd exokernel

2010-07-31 Thread Julian H. Stacey
> would it be a feasible project to borrow things from freebsd, and start a > project like this? anyone like this idea ?? The code is free to use :-) > anyway, just some thoughts for now.. See also eg Mach. http://en.wikipedia.org/wiki/Mach http://en.wikipedia.org/wiki/Mach_%28ke