Date: Wed, 11 Mar 2009 05:25:09 -0400 From: Michael Powell <nightrecon@verizon.net> To: freebsd-questions@freebsd.org Subject: Re: PAE kernel problem on Dell PowerEdge 2950 Message-ID: <gp7vvs$794$1@ger.gmane.org> References: <200903040326.n243QHY1041181@banyan.cs.ait.ac.th> <991123400903032304p7409c4ecvb76a6c6946b82920@mail.gmail.com> <200903110831.n2B8V6WD056612@banyan.cs.ait.ac.th>
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Olivier Nicole wrote: [snip] > > And I stick to RELENG, not STABLE, because I want to patch security > bugs, but I most probably does not need all the new bells and whistles > of STABLE: this is a production server, I prefer to modify the machine > as least as possible, unless it is expressely needed by a secuity > issue (I won't apply security patches if they are not pertinent to a > specific server and the services running on that machine). > > Bests, > > Olivier I am of the same bent. For many security issues that do not mandate a reboot I just apply the patches following the instructions in the security advisory. 32 bit drivers such as NVidia on a desktop box mean you're stuck with i386. These same drivers usually have problems with PAE kernels as well. In the server world you are better off not running a PAE kernel. PAE is kludge and a true 64 bit implementation will give you better performance. The thing to watch out here would be a controller driver based on a binary blob. How it was originally built by the mfr can cause trouble in a mix-n- match environment. I believe most controller drivers these days are OK on 64 bit platforms, it is just a detail to keep an eye out on. But - PAE is something better done away with and relegated to history. Just my $.02 -Mike
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