Date: Thu, 19 Aug 2010 20:56:43 +0400 From: pluknet <pluknet@gmail.com> To: Andriy Gapon <avg@icyb.net.ua> Cc: freebsd-stable@freebsd.org, Jung-uk Kim <jkim@freebsd.org> Subject: Re: 8.1-PRERELEASE: CPU packages not detected correctly Message-ID: <AANLkTi=hZC9gL2xF2oD9w5ApgZ11LyRf1WbE=3YZuHef@mail.gmail.com> In-Reply-To: <4C6D5E31.9000701@icyb.net.ua> References: <201007141414.o6EEEUx9014690@lurza.secnetix.de> <201007141755.04690.jkim@FreeBSD.org> <4C3FB73F.7070502@freebsd.org> <201007161147.56242.jkim@FreeBSD.org> <AANLkTikFdbVhMYd1tktfYehuAdqEVCDWaN=YbOG=c6xB@mail.gmail.com> <4C6D5E31.9000701@icyb.net.ua>
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On 19 August 2010 20:39, Andriy Gapon <avg@icyb.net.ua> wrote: > on 10/08/2010 19:55 pluknet said the following: >> On 16 July 2010 19:47, Jung-uk Kim <jkim@freebsd.org> wrote: >>> The patch should apply fine on both sys/amd64/amd64/mp_machdep.c and >>> sys/i386/i386/mp_machdep.c. >>> >>> http://people.freebsd.org/~jkim/mp_machdep2.diff >>> >> >> >> Hi. >> >> Just checked on Xen HVM with 3 cores. >> 1) 8.1 unmodified: >> FreeBSD/SMP: Multiprocessor System Detected: 3 CPUs >> FreeBSD/SMP: 1 package(s) x 3 core(s) >> >> 2) 8.1 + patch >> FreeBSD/SMP: Multiprocessor System Detected: 3 CPUs >> FreeBSD/SMP: 0 package(s) x 1 core(s) x 32 HTT threads >> WARNING: Non-uniform processors. >> WARNING: Using suboptimal topology. > > Can you debug, e.g. with printfs, what exactly goes wrong? > I wonder if in this case code follows some unusual/unexpected path. Sorry, I'm a bit busy right now. I hope to debug this somewhere in the next week. > BTW, could you please also provide CPU name/model/features as detected by the kernel? Sure. CPU: Intel(R) Xeon(R) CPU E5520 @ 2.27GHz (2763.12-MHz 686-class CPU) Origin = "GenuineIntel" Id = 0x106a5 Family = 6 Model = 1a Stepping = 5 Features=0x1781fbbf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,MMX,FXSR,SSE,SSE2,HTT> Features2=0x80982201<SSE3,SSSE3,CX16,SSE4.1,SSE4.2,POPCNT,<b31>> TSC: P-state invariant real memory = 4194304000 (4000 MB) avail memory = 3932786688 (3750 MB) ACPI APIC Table: <Xen HVM> FreeBSD/SMP: Multiprocessor System Detected: 3 CPUs FreeBSD/SMP: 0 package(s) x 1 core(s) x 32 HTT threads cpu0 (BSP): APIC ID: 0 cpu1 (AP/HT): APIC ID: 2 cpu2 (AP/HT): APIC ID: 4 Just a thought. # HTT might somehow correlate with current maxcpus limit (32). > > Thanks! -- wbr, pluknet
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