Re: Top only showing one active CPU on HTT system

2005-05-24 Thread Jonathan M. Slivko
Yes, it is. -- Jonathan Kris Kennaway wrote: On Tue, May 24, 2005 at 02:24:59PM -0400, Jonathan M. Slivko wrote: Hmmm I just tried that on my system thats supposedly an HT P4 but it didn't work after recompiling the kernel as well as setting that sysctl call. Make sure your kernel is c

Re: Top only showing one active CPU on HTT system

2005-05-24 Thread Kris Kennaway
On Tue, May 24, 2005 at 02:24:59PM -0400, Jonathan M. Slivko wrote: > Hmmm I just tried that on my system thats supposedly an HT P4 but it > didn't work after recompiling the kernel as well as setting that sysctl > call. Make sure your kernel is compiled with SMP support and your BIOS enable

Re: Top only showing one active CPU on HTT system

2005-05-24 Thread Jonathan M. Slivko
Hmmm I just tried that on my system thats supposedly an HT P4 but it didn't work after recompiling the kernel as well as setting that sysctl call. Kirk Strauser wrote: On Tuesday 24 May 2005 12:13, Jonathan M. Slivko wrote: Where did you actually set that, in /etc/sysctl.conf? Yep.

Re: Top only showing one active CPU on HTT system

2005-05-24 Thread Kirk Strauser
On Tuesday 24 May 2005 12:13, Jonathan M. Slivko wrote: > Where did you actually set that, in /etc/sysctl.conf? Yep. -- Kirk Strauser pgpmtHJuevgL0.pgp Description: PGP signature

Re: Top only showing one active CPU on HTT system

2005-05-24 Thread Kris Kennaway
On Tue, May 24, 2005 at 02:20:46PM -0300, Franco Bruno Borghesi wrote: > I'm curious... doesn't enabling ht make your system run slower? That's what > I had found searching on google a while ago, and that's why I have never > enabled ht on my kernels. That's a common experience, but it depends o

Re: Top only showing one active CPU on HTT system

2005-05-24 Thread Tim Kellers
On Tuesday 24 May 2005 01:00 pm, Kirk Strauser wrote: > On Tuesday 24 May 2005 10:59, Tim Kellers wrote: > > The acpi_load="YES" in /boot/loader.conf might do the trick. > > Actually, it turns out that I have to set machdep.hyperthreading_allowed=1 > for HTT to work now. > > Speaking of which, is t

Re: Top only showing one active CPU on HTT system

2005-05-24 Thread Franco Bruno Borghesi
I'm curious... doesn't enabling ht make your system run slower? That's what I had found searching on google a while ago, and that's why I have never enabled ht on my kernels. 2005/5/24, Kirk Strauser <[EMAIL PROTECTED]>: > > On Tuesday 24 May 2005 10:59, Tim Kellers wrote: > > > The acpi_load

Re: Top only showing one active CPU on HTT system

2005-05-24 Thread Jonathan M. Slivko
Where did you actually set that, in /etc/sysctl.conf? Kirk Strauser wrote: On Tuesday 24 May 2005 10:59, Tim Kellers wrote: The acpi_load="YES" in /boot/loader.conf might do the trick. Actually, it turns out that I have to set machdep.hyperthreading_allowed=1 for HTT to work now. Speaki

Re: Top only showing one active CPU on HTT system

2005-05-24 Thread Kirk Strauser
On Tuesday 24 May 2005 10:59, Tim Kellers wrote: > The acpi_load="YES" in /boot/loader.conf might do the trick. Actually, it turns out that I have to set machdep.hyperthreading_allowed=1 for HTT to work now. Speaking of which, is that tunable documented anywhere besides the HTT security PR? I

Re: Top only showing one active CPU on HTT system

2005-05-24 Thread Kirk Strauser
On Tuesday 24 May 2005 10:59, Kris Kennaway wrote: > Read the security advisories issued for FreeBSD. I thought that I had. I missed the "we're now disabling HTT by default unless you set a new sysctl" part. :-) -- Kirk Strauser pgp5vJSWjc6sa.pgp Description: PGP signature

Re: Top only showing one active CPU on HTT system

2005-05-24 Thread Tim Kellers
On Tuesday 24 May 2005 11:53 am, Kirk Strauser wrote: > I'm running a 5.4-STABLE system (updated as of May 16). My kernel is > basically GENERIC with a few small tweaks, like commenting out extraneous > "cpu" lines and adding "options SMP". > > My problem is that although dmesg shows every sign of

Re: Top only showing one active CPU on HTT system

2005-05-24 Thread Jonathan M. Slivko
Actually, I have a similar issue on a Pentium 4 box that's supposedly HT: CPU: Intel(R) Pentium(R) 4 CPU 2.40GHz (2410.53-MHz 686-class CPU) Origin = "GenuineIntel" Id = 0xf41 Stepping = 1 Features=0xbfebfbff By the fact that HTT is there in the features, I'm assuming that HT support is act

Re: Top only showing one active CPU on HTT system

2005-05-24 Thread Kris Kennaway
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 > basically GENERIC with a few small tweaks, like commenting out extraneous > "cpu" lines and adding "options SMP". > > My problem is that although dmesg shows e