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Description of problem: x86info displays wrong information for T7300 Core 2 duo. This CPU model is Core 2 Duo, but x86info displays "CPU Model: Core 2 Quad". >CPU #1 >EFamily: 0 EModel: 0 Family: 6 Model: 15 Stepping: 11 >CPU Model: Core 2 Quad >Processor name string: Intel(R) Core(TM)2 Duo CPU T7300 @ 2.00GHz >Type: 0 (Original OEM) Brand: 0 (Unsupported) I roughly read the x86info-1.25/Intel/identify-family6.c, and found: - This CPU (T7300/SLA45) model's stepping is not 10 (0xa) but 11 (0xb). (EFamily: 0 EModel: 0 Family: 6 Model: 15 Stepping: 11) - T7300 L2 cache is 4MB. (x86info -c says: L2 cache: 4MB, 16-way associative. 64 byte line size.) x86info-1.25/Intel/identify-family6.c: 575 case 0xa: 576 /* sCode Procname (IDA/HFM) 577 * SLA43 T7700 (2.6GHz/2.4GHz) 578 * SLA3M T7700 (2.6GHz/2.4GHz) 579 * SLA44 T7500 (2.4GHz/2.2GHz) 580 * SLA3N T7500 (2.4GHz/2.2GHz) 581 * SLA45 T7300 (2.4GHz/2.0GHz) 582 * SLA3P T7300 (2.2GHz/2.0GHz) 583 * SLA3R L7500 (1.8GHz/1.6GHz) 584 * SLA3S L7300 (1.6GHz/1.4GHz) 585 * SLA33 X7900 (2.8GHz) 586 * SLA6Z X7800 (2.6GHz) 587 */ 588 add_to_cpuname(" [E1]"); 589 break; 590 591 case 0xb: 592 /* 593 * SLALT G0 2M E4700 2.6GHz/800MHz 594 * 595 * SLAFN G0 8M QX6850 3GHz/1333MHz 596 * SLACQ G0 8M Q6700 2.66GHz/1066MHz 597 * SLACR G0 8M Q6600 2.4GHz/1066MHz 598 */ 599 if (cpu->cachesize_L2 == 2048) { 600 add_to_cpuname("Duo [G0]"); 601 } else 602 add_to_cpuname("Quad "); 603 break; How reproducible: run x86info command Actual results: [root@kawasaki ~]# x86info x86info v1.27. Dave Jones 2001-2010 Feedback to <davej>. Found 2 CPUs -------------------------------------------------------------------------- CPU #1 EFamily: 0 EModel: 0 Family: 6 Model: 15 Stepping: 11 CPU Model: Core 2 Quad Processor name string: Intel(R) Core(TM)2 Duo CPU T7300 @ 2.00GHz Type: 0 (Original OEM) Brand: 0 (Unsupported) Siblings: 1 Physical Processor ID: 0 Processor Core ID: 0 -------------------------------------------------------------------------- CPU #2 EFamily: 0 EModel: 0 Family: 6 Model: 15 Stepping: 11 CPU Model: Core 2 Quad Processor name string: Intel(R) Core(TM)2 Duo CPU T7300 @ 2.00GHz Type: 0 (Original OEM) Brand: 0 (Unsupported) Siblings: 1 Physical Processor ID: 0 Processor Core ID: 1 -------------------------------------------------------------------------- Summary: Total processor threads: 2 This system has 1 dual-core processor running at an estimated 2.00GHz Expected results: CPU Model: Core 2 Duo or CPU Model: Core 2 Duo / Quad or?
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