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----- > > > _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
