Date: Tue, 24 May 2005 08:59:18 -0700 From: Kris Kennaway <kris@obsecurity.org> To: Kirk Strauser <kirk@strauser.com> Cc: freebsd-questions@freebsd.org Subject: Re: Top only showing one active CPU on HTT system Message-ID: <20050524155918.GA46299@xor.obsecurity.org> In-Reply-To: <200505241053.36377.kirk@strauser.com> References: <200505241053.36377.kirk@strauser.com>
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--h31gzZEtNLTqOjlF Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, May 24, 2005 at 10:53:29AM -0500, Kirk Strauser wrote: > I'm running a 5.4-STABLE system (updated as of May 16). My kernel is=20 > basically GENERIC with a few small tweaks, like commenting out extraneous= =20 > "cpu" lines and adding "options SMP". >=20 > My problem is that although dmesg shows every sign of having launched bot= h=20 > logical CPUs: >=20 > $ dmesg | grep -i cpu > CPU: Intel(R) Xeon(TM) CPU 2.40GHz (2392.05-MHz 686-class CPU) > Hyperthreading: 2 logical CPUs > FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs > cpu0 (BSP): APIC ID: 0 > cpu1 (AP): APIC ID: 1 > cpu0: <ACPI CPU> on acpi0 > cpu1: <ACPI CPU> on acpi0 > SMP: AP CPU #1 Launched! >=20 > ... running "top" only shows "0" in the CPU column for every task. I don= 't=20 > see anything out of place in sysctl: >=20 > $ sysctl -a | grep -i hlt > machdep.cpu_idle_hlt: 1 > machdep.hlt_cpus: 2 > machdep.hlt_logical_cpus: 0 >=20 > and /boot/loader.conf is all but empty. Honestly, I don't really know ho= w=20 > long this has been going on. top used to show both 0 and 1 in the C colu= mn=20 > and I'm not exactly sure when it stopped. Any ideas? Read the security advisories issued for FreeBSD. Kris --h31gzZEtNLTqOjlF Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (FreeBSD) iD8DBQFCk09WWry0BWjoQKURAjkqAJ0YbXPBspeQAdUrwV9+AVlV3YGoMwCg8XOQ mrtts7Lb/W8WMowDD3BuLCE= =FmQi -----END PGP SIGNATURE----- --h31gzZEtNLTqOjlF--
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