Date: Thu, 20 Sep 2018 17:12:07 +0200 From: Michael Schmiedgen <schmiedgen@gmx.net> To: Michael Tuexen <tuexen@freebsd.org> Cc: freebsd-current@FreeBSD.org Subject: Re: 12.0-ALPHA6 dumps with 'Fatal double fault' Message-ID: <a37f1059-e54d-2384-40ed-54aef2e7c182@gmx.net> In-Reply-To: <ED35E1FA-CADD-4CDA-B5F0-0D8CC3FDA177@freebsd.org> References: <b08b106f-b25a-1284-0e18-f186dd6baf4b@gmx.net> <ED35E1FA-CADD-4CDA-B5F0-0D8CC3FDA177@freebsd.org>
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> Can you elaborate which port was triggering the fault and which platform you are using? > I would like to reproduce the issue and fix it. Port is devel/apr1 and platform is amd64. CPU: Intel(R) Xeon(R) CPU E31245 @ 3.30GHz (3300.10-MHz K8-class CPU) Origin="GenuineIntel" Id=0x206a7 Family=0x6 Model=0x2a Stepping=7 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=0x1fbae3ff<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,TSCDLT,AESNI,XSAVE,OSXSAVE,AVX> AMD Features=0x28100800<SYSCALL,NX,RDTSCP,LM> AMD Features2=0x1<LAHF> XSAVE Features=0x1<XSAVEOPT> VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID TSC: P-state invariant, performance statistics It crashed multiple times randomly under heavy load when compiling ports. But I observed a crash two times exactly in the same place: configure script SCTP test in devel/apr1. Thanks, Michael
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