[FUG-BR] Pentium 4 HT Não reconhece segunda CPU

[Welington F.J]

On 11/13/06, Deleon Galvin <deleon.galvin at gmail.com> wrote:
> Olá a todos!
> Estou tendo um problema interessante.
> Verifico no ps ou no top q o FreeBSD reconhece os 2 CPU's lógicos, porém
> apenas um está trabalhando.
> Olhando o DMESG eu verifiquei q realmente eh retornado um erro acpi_throttle1:
> failed to attach P_CNT e no final um erro SMP: AP CPU #1 Launched!
>
> Por acaso mais alguem jah passou pelo problema?
> Anteriormente eu tinha o HT desta maquina desabilitado, e após compilar o SMP
> e tentar reabilitar me deparei com o problema.
> Abaixo segue parte do DMESG para identificação do hardware.
>
> FreeBSD 6.1-RELEASE #3
> Timecounter "i8254" frequency 1193182 Hz quality 0
> CPU: Intel(R) Pentium(R) 4 CPU 2.80GHz (2793.02-MHz 686-class CPU)
>  Origin = "GenuineIntel"  Id = 0xf34  Stepping = 4
> Features=0xbfebfbff<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,HTT,TM,PBE>
>  Features2=0x441d<SSE3,RSVD2,MON,DS_CPL,CNTX-ID,<b14>>
>  Logical CPUs per core: 2
> real memory  = 1072889856 (1023 MB)
> avail memory = 1040769024 (992 MB)
> ACPI APIC Table: <INTEL  S875PWP3>
> FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
>  cpu0 (BSP): APIC ID:  0
>  cpu1 (AP): APIC ID:  1
> ioapic0 <Version 2.0> irqs 0-23 on motherboard
> kbd1 at kbdmux0
> acpi0: <INTEL S875PWP3> on motherboard
> acpi0: Power Button (fixed)
> Timecounter "ACPI-safe" frequency 3579545 Hz quality 1000
> acpi_timer0: <24-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0
> cpu0: <ACPI CPU> on acpi0
> acpi_throttle0: <ACPI CPU Throttling> on cpu0
> cpu1: <ACPI CPU> on acpi0
> acpi_throttle1: <ACPI CPU Throttling> on cpu1
> acpi_throttle1: failed to attach P_CNT
>
> da0 at ahd0 bus 0 target 0 lun 0
> da0: <SEAGATE ST336607LW 0007> Fixed Direct Access SCSI-3 device
> da0: 40.000MB/s transfers (20.000MHz, offset 63, 16bit), Tagged Queueing
> Enabled
> da0: 35003MB (71687372 512 byte sectors: 255H 63S/T 4462C)
> da1 at ahd0 bus 0 target 1 lun 0
> da1: <SEAGATE ST336607LW 0007> Fixed Direct Access SCSI-3 device
> da1: 40.000MB/s transfers (20.000MHz, offset 63, 16bit), Tagged Queueing
> Enabled
> da1: 35003MB (71687372 512 byte sectors: 255H 63S/T 4462C)
> da2 at ahd0 bus 0 target 4 lun 0
> da2: <SEAGATE ST336607LW 0007> Fixed Direct Access SCSI-3 device
> da2: 40.000MB/s transfers (20.000MHz, offset 63, 16bit), Tagged Queueing
> Enabled
> da2: 35003MB (71687372 512 byte sectors: 255H 63S/T 4462C)
>
> SMP: AP CPU #1 Launched!
>
> Fico no aguardo das opiniões dos caros colegas.
>

Se você já compilou com suporte a SMP
coloque isso no seu /etc/sysctl.conf

machdep.hyperthreading_allowed=1

Att,
-- 
Welington F.J
BSD User: 51392
ICQ: 31320518
MSN: welingtonfj at gmail.com
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