Date: Wed, 01 May 2002 02:17:39 -0400 From: Scott <scottro@nyc.rr.com> To: "Brandon Young" <bkyoung@ku.edu>, <freebsd-questions@FreeBSD.ORG> Subject: Re: spontaneous reboots, processor travelling back in time ... Message-ID: <5.1.0.14.0.20020501020840.00bca4a0@pop-server.nyc.rr.com> In-Reply-To: <000601c1f0ca$0cf5f430$0100a8c0@workstation4>
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At 23:38 2002/04/30 -0500, Brandon Young wrote: >Every time I try to run the command 'XFree86 -configure' my system >reboots. I decided to run xf86config; that worked. Once X was >configured, I tried to start kdm ... the system reboots every time I try >to start X. In searching through the archives, one would be lead to >believe that there exists a hardware problem. This is perplexing, since >this same hardware (whichever piece may be bad) never causes problems in >other operating systems (namely, Windows and Linux). My system is a 1.0 >GHz AMD Thunderbird with a Kingston tulip NIC, Matrox G400 single head >card, and SBLive soundcard. The processor and mobo are new. Is it an ASUS MB? There are still some problems with it, usually with the symptoms you describe. http://www.freebsd.org/cgi/query-pr.cgi?pr=28418 Hrrmm--I see that it seems to be resolved as of two days ago--sigh, this means I'll have to do a buildworld and see if it works without adjustment. The fix has been to open up /usr/src/sys/i386/i368/i686_mem.c Around line 269 you see u_int cr4save; mrd = sc->mr_desc; Between those two lines, insert a line return; So it'll now look like u_int cr4save; return; mrd = sc->mr_desc; It has to do with MTRR problems (This trick was given me by Bill Triplett in case he sees this post and wonders if I've forgotten--Hi Bill. :) ) This of course, assumes you have an ASUS Then, you have to recompile your kernel cd /usr/src/sys/i386/conf config MYKERN You will then see the thing something like source is ../../compile/MYKERN Don't forget to do make depend So cd ../../compile/MYKERN make depend; make; make install Reboot and you should be good to go. (You probably know all that, but I have it kept on my hard drive as a web page so am cutting and pasting--I'm really sleepy--sorry for the extraneous info) HTH Scott To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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