Date: Thu, 20 Sep 2018 18:15:28 +0200 From: Michael Tuexen <tuexen@freebsd.org> To: Michael Schmiedgen <schmiedgen@gmx.net> Cc: freebsd-current@FreeBSD.org Subject: Re: 12.0-ALPHA6 dumps with 'Fatal double fault' Message-ID: <00082772-8AA0-415B-A4C5-B8BC8D4D7BFC@freebsd.org> In-Reply-To: <a37f1059-e54d-2384-40ed-54aef2e7c182@gmx.net> References: <b08b106f-b25a-1284-0e18-f186dd6baf4b@gmx.net> <ED35E1FA-CADD-4CDA-B5F0-0D8CC3FDA177@freebsd.org> <a37f1059-e54d-2384-40ed-54aef2e7c182@gmx.net>
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> On 20. Sep 2018, at 17:12, Michael Schmiedgen <schmiedgen@gmx.net> = wrote: >=20 >=20 >> 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. >=20 > Port is devel/apr1 and platform is amd64. Works fine on my side. It would be helpful if you could build a kernel = with debug symbols, reproduce the problem and provide a stack strace. Since you said that it crashed multiple times makes me wonder if this = problem is related to SCTP in particular or if there is some other generic = issue... Best regards Michael >=20 > CPU: Intel(R) Xeon(R) CPU E31245 @ 3.30GHz (3300.10-MHz K8-class CPU) > Origin=3D"GenuineIntel" Id=3D0x206a7 Family=3D0x6 Model=3D0x2a = Stepping=3D7 > = Features=3D0xbfebfbff<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=3D0x1fbae3ff<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SS= SE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,TSCDLT,AESNI,XSAVE,OSX= SAVE,AVX> > AMD Features=3D0x28100800<SYSCALL,NX,RDTSCP,LM> > AMD Features2=3D0x1<LAHF> > XSAVE Features=3D0x1<XSAVEOPT> > VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID > TSC: P-state invariant, performance statistics >=20 > 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. >=20 > Thanks, > Michael
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