Date: Wed, 18 Jan 2006 13:30:32 -0600 From: Michael Barnett <mbarnett@measuremap.com> To: Ted Wisniewski <ted@ness.plymouth.edu> Cc: freebsd-questions@freebsd.org Subject: Re: PAE causing system crashes Message-ID: <C0045F06-955A-49D9-B099-D95826AE6C25@measuremap.com> In-Reply-To: <200601180803.44265.ted@wiz.plymouth.edu> References: <47A794C0-FE22-46FC-9D81-BCF3359CBD61@measuremap.com> <09FE5498-82E3-495C-9593-8F1CFF3A3BD6@measuremap.com> <200601180803.44265.ted@wiz.plymouth.edu>
next in thread | previous in thread | raw e-mail | index | archive | help
Nopers. No nfs... nothing at all fancy with the drives except the raid. -m On Jan 18, 2006, at 7:03 AM, Ted Wisniewski wrote: > You weren't by chance also using NFS? I was, all my other 5.x > systems did > not use NFS and are stable. I saw this same behavior and wound up > going back > to 4.11 to keep the system stable. > > Ted > > On Tuesday 17 January 2006 03:17 pm, Michael Barnett wrote: >> To ammend this slightly.. When running the PAE kernel, they will >> stay online indefinitely under little to no load. It is only when i >> want them to actually work will they freak out and reboot. >> >> -m >> >> On Jan 17, 2006, at 1:47 PM, Michael Barnett wrote: >>> I have 3 dell machines with 2x xeon procs, 8G of ram, and a half >>> terabyte raid 5. I attempted to run the AMD64 distribution on >>> these boxes which was fine for everything except mysql, (which is >>> all these boxes are going to do) so I reinstalled 5.4 i386. >>> >>> uname -a looks like (hostname obscured): >>> >>> FreeBSD myhost.mydomain.com 5.4-RELEASE-p9 FreeBSD 5.4-RELEASE-p9 >>> #2: Mon Jan 16 23:27:12 PST 2006 root@myhost.mydomain.com:/usr/ >>> obj/usr/src/sys/SMP-PAE i386 >>> >>> >>> My problem is, if i don't enable PAE in the kernel, i can only >>> address half the ram in the boxes, but... the machines are stable. >>> >>> If i do enable PAE, i can address all the memory, but they randomly >>> reboot without dumping any errors or logging. >>> >>> To enable PAE, i am building and booting off the following kernel >>> config: >>> >>> <snip> >>> include PAE >>> >>> ident SMP-PAE >>> >>> options SMP >>> options KVA_PAGES=512 >>> </snip> >>> >>> I added the KVA_PAGES options hoping to stabilize the machine >>> (doesn't seem to have made any difference.) The only other tuning >>> i am doing at the moment is in loader.conf: >>> >>> <snip> >>> kern.maxdsiz="2147483648" # Set the max data size >>> </snip> >>> >>> When i boot without PAE I use the generic SMP kernel, and the >>> machine is stable. >>> >>> I know that there are a number of other kernel tunables i could be >>> tweaking, but I am not really sure where to start as the machine >>> dies silently. I was hoping that someone who has run a stable PAE >>> kernel with 8G of ram + could point me in the right direction. >>> >>> Thanks, >>> >>> -Michael >>> _______________________________________________ >>> freebsd-questions@freebsd.org mailing list >>> http://lists.freebsd.org/mailman/listinfo/freebsd-questions >>> To unsubscribe, send any mail to "freebsd-questions- >>> unsubscribe@freebsd.org" >> >> _______________________________________________ >> freebsd-questions@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-questions >> To unsubscribe, send any mail to >> "freebsd-questions-unsubscribe@freebsd.org" > > -- > | Ted Wisniewski E-Mail: > ted@mail.plymouth.edu | > | Manager, Systems Group WEB: http://oz.plymouth.edu/ > ~ted/ | > | Information Technology Services | > | Plymouth State University Phone: (603) > 535-2661 | > | Plymouth NH, 03264 Fax: (603) > 535-2263 |
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?C0045F06-955A-49D9-B099-D95826AE6C25>