Date: Sat, 23 Jul 2005 09:17:03 +0200 From: Mathieu CHATEAU <gollum123@free.fr> To: Lei Sun <lei.sun@gmail.com> Cc: Andreas Rudisch <"cyb."@gmx.net>, freebsd-questions@freebsd.org Subject: Re[2]: only see cpu0 working after rebuilding kernel with SMP support Message-ID: <43436185.20050723091703@free.fr> In-Reply-To: <d396fddf05072211156e8bd7f3@mail.gmail.com> References: <d396fddf05072200121b068cd9@mail.gmail.com> <1122023424.525.1.camel@p4-3200.local> <d396fddf05072209474d9c7314@mail.gmail.com> <d396fddf05072211156e8bd7f3@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Hello Lei, it's working out great now ! thanks :) =1 was missing in the previous post Friday, July 22, 2005, 8:15:50 PM, you wrote: LS> This thread helped LS> http://archives.neohapsis.com/archives/freebsd/2005-05/0037.html LS> On 7/22/05, Lei Sun <lei.sun@gmail.com> wrote: >> Yes, I read that security advisory as well, and I see >> >> ----------------------- >> NOTE: For users that are certain that their environment is not affected >> by this vulnerability, such as single-user systems, Hyper-Threading >> Technology may be re-enabled by setting the tunable >> "machdep.hyperthreading_allowed". >> ----------------------- >> >> so I "echo "machdep.hyperthreading_allowed" >> /boot/load.conf", then reboot. >> >> But still only 1 CPU is running. >> >> Thanks in advance :) >> >> Lei >> >> On 7/22/05, Andreas Rudisch <"cyb."@gmx.net> wrote: >> > On Fri, 2005-07-22 at 00:12 -0700, Lei Sun wrote: >> > > Hi, >> > > I wanted to enable the second logical CPU on my P4 HT. and... >> > > Something seems to be strange to me as: >> > > >> > > All of the processes are running with CPU0 and none is working with CPU1 >> > >> > > Here is the steps and places I read and followed >> > > >> > > 1. I followed the custom kernel documents from >> > > >> http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-building.html >> > > >> http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html >> > > http://www.freebsddiary.org/smp.php >> > > >> > > and compiled the custom kernel >> > > >> > > and my kernel config: >> > > ------------------------------------------------- >> > > ... >> > > options SMP >> > > device apic # I/O APIC >> > > ... >> > > ------------------------------------------------- >> > > >> > > 2. Then I compiled the custom kernel, and installed it >> > > >> > > 3. I check the startup output, and found >> > > SMP: AP CPU #1 Launched! >> > > >> > > So my question is, how come in top, only cpu0 is working, and no entry for cpu1? >> > > >> > > Thanks in advance:) >> > > >> > > Lei >> > >> > >> > Take a look at this: >> > >> > >> ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-05:09.htt.asc >> > >> > Andreas. >> > >> > -- >> > GnuPG key : 0xD25FCC81 | http://cyb.websimplex.de/pubkey.asc >> > Fingerprint: D182 6F22 7EEC DD4C 0F6E 564C 691B 0372 D25F CC81 >> > >> > >> > >> > >> > >> > -----BEGIN PGP SIGNATURE----- >> > Version: GnuPG v1.4.1 (FreeBSD) >> > >> > iD8DBQBC4LgAaRsDctJfzIERAtX8AJ9fJBbODWbOxymKEFeHNpULtUrecACfYsWG >> > IcmXfXCmO9ZpgCxDOlOwQWc= >> > =zfk/ >> > -----END PGP SIGNATURE----- >> > >> > >> > >> LS> _______________________________________________ LS> freebsd-questions@freebsd.org mailing list LS> http://lists.freebsd.org/mailman/listinfo/freebsd-questions LS> To unsubscribe, send any mail to LS> "freebsd-questions-unsubscribe@freebsd.org" -- Best regards, Mathieu mailto:gollum123@free.fr
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?43436185.20050723091703>