-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Mark Watts wrote: > > You need to have the 'logical processor support' thing enabled in the Dell's > BIOS in order for HT to be available to you. >
That was enabled by default. > I've also noticed that you need to boot with ACPI=on (or remove it from > lilo.conf) so that the processor enumeration code finds the HT siblings. > That was it: $ cat /proc/cmdline auto BOOT_IMAGE=linux-smp ro root=801 $ cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 15 model : 2 model name : Intel(R) Xeon(TM) CPU 2.00GHz stepping : 7 cpu MHz : 1993.439 cache size : 512 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 2 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm bogomips : 3971.48 processor : 1 vendor_id : GenuineIntel cpu family : 15 model : 2 model name : Intel(R) Xeon(TM) CPU 2.00GHz stepping : 7 cpu MHz : 1993.439 cache size : 512 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 2 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm bogomips : 3984.58 > I'm not 100% sure if I tried enabling ACPI on the latest enterprise kernel - > at the time I was more interested in the IRQ balancing issues (I wasn't > getting any). > > The servers I have are Dell 2650's and with the 2.4.21-rc6-ac2 kernel and ACPI > enabled, I get HT (so 4 processors in /proc/cpuinfo) and /proc/interupts is > showing a nicely balanced system. > > kernel-enterprise-2.4.21.0.18mdk was not showing any of these as working. > > If I get a chance to reboot the server in question, I'll recheck the > enterprise kernel with ACPI. No need ... but this is running: $ uname -r 2.4.21-0.20mdksmp One of Danny's kernels (will install Danny's latest -22mdk later today) with XFS-ACL support (which we need). We don't have so much ram that we need enterprise .... BTW, it would be nice to have this work out-the-box, so that the user doesn't need to know to enable ACPI ... Regards, Buchan - -- |--------------Another happy Mandrake Club member--------------| Buchan Milne Mechanical Engineer, Network Manager Cellphone * Work +27 82 472 2231 * +27 21 8828820x202 Stellenbosch Automotive Engineering http://www.cae.co.za GPG Key http://ranger.dnsalias.com/bgmilne.asc 1024D/60D204A7 2919 E232 5610 A038 87B1 72D6 AC92 BA50 60D2 04A7 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQE+9w5XrJK6UGDSBKcRApDjAJ9x7MOIPeb/odBMHzEEmP+cQBAcmgCgiH05 Q9pYgh1xiqE+OBTXoQCm3ko= =rMC/ -----END PGP SIGNATURE----- ****************************************************************** Please click on http://www.cae.co.za/disclaimer.htm to read our e-mail disclaimer or send an e-mail to [EMAIL PROTECTED] for a copy. ******************************************************************
