-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 On 01/05/15 17:50, Andrey Fesenko wrote: > On Tue, Jan 6, 2015 at 4:24 AM, Sean Bruno <sbruno_at_ignoranthack.me> > wrote: >> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 >> >> On 01/05/15 16:57, Neel Natu wrote: >>> Congratulations, you have the ability to debug the Haswell >>> silicon >>> >> HA! >> >> Is this turned on purposefully (its a feature of the CPU) or is >> this turned on unintentionally and is a bug in manufacturing? >> >> sean > > My desktop i5-4570 contain this flag too > > Origin="GenuineIntel" Id=0x306c3 Family=0x6 Model=0x3c > Stepping=3 > 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=0x7ffafbff<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,<b11>,FMA,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,TSCDLT,AESNI,XSAVE,OSXSAVE,AVX,F16C,RDRAND> > > I'm thinking something like this: Index: sys/x86/x86/identcpu.c =================================================================== - --- sys/x86/x86/identcpu.c (revision 276729) +++ sys/x86/x86/identcpu.c (working copy) _at__at_ -781,7 +781,7 _at__at_ "\011TM2" /* Thermal Monitor 2 */ "\012SSSE3" /* SSSE3 */ "\013CNXT-ID" /* L1 context ID available */ - - "\014<b11>" + "\014SDBG" /* IA32_DEBUG_INTERFACE debug*/ "\015FMA" /* Fused Multiply Add */ "\016CX16" /* CMPXCHG16B Instruction */ "\017xTPR" /* Send Task Priority Messages*/ sean -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQF8BAEBCgBmBQJUq0m+XxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXRCQUFENDYzMkU3MTIxREU4RDIwOTk3REQx MjAxRUZDQTFFNzI3RTY0AAoJEBIB78oecn5kigkIAI2Naiv2TENl+1SFAQ5oHTUu HR+sbz3o7p71W8/9WhdkiMhHLwpF5ZGrpqh9Jc4CYuyNax4OvzD9du8b1RFVVBtx AR6K+zFE1/wHC8S+iEB2QsWLWjd6Y0NbZL1MvgEQTybFwLzdtEXafOi2gSsa2lK0 RFMd0VbE2xn2q9mp5GuTnR8fvqWGPSJLEtWTpEZri8vFnBIMC+kocb//kOhY6JsF SNcpJ2RfhXiQyOOZT/ETe47s7A29R9VW5u/+Hg8VnNuq5rV5o2PXa68VvSmAu4gr IxPMoodFUITXTpS/lfmkOf4W+uTSqUji+Y/u1yjNzS4MgodoEh6mc7gDuH9Xoj0= =j1kZ -----END PGP SIGNATURE-----Received on Tue Jan 06 2015 - 01:34:45 UTC
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