svn commit: r339898 - head/lib/libc/amd64/sys
Charlie Li
ml at vishwin.info
Sat Nov 3 22:59:28 UTC 2018
On 03/11/2018 11:29, Konstantin Belousov wrote:
> Some minimal amount of facts instead of guesses would be much more useful.
>
Yeah, being sleep deprived and hurried (on my end) certainly doesn't help.
> What is the instruction which faulted ? Disassemble the text at 0x2f5664.
> Regardless of what is the instruction, show either the output from
> 'x86info -f' on the machine, or cpu identification lines from the
> _verbose_ boot dmesg.
>
It appears that 0x2f5664 does not exist:
Disassembly of section .init:
00000000002f565c <_init>:
2f565c: 48 83 ec 08 sub $0x8,%rsp
2f5660: e8 fb 3c f3 ff callq 229360 <frame_dummy>
2f5665: e8 b6 ff ff ff callq 2f5620
<__do_global_ctors_aux>
2f566a: 48 83 c4 08 add $0x8,%rsp
2f566e: c3 retq
CPU ident:
CPU: Intel(R) Core(TM) i7-5500U CPU @ 2.40GHz (2394.52-MHz K8-class CPU)
Origin="GenuineIntel" Id=0x306d4 Family=0x6 Model=0x3d 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=0x7ffafbbf<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,SDBG,FMA,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,TSCDLT,AESNI,XSAVE,OSXSAVE,AVX,F16C,RDRAND>
AMD Features=0x2c100800<SYSCALL,NX,Page1GB,RDTSCP,LM>
AMD Features2=0x121<LAHF,ABM,Prefetch>
Structured Extended
Features=0x21c27ab<FSGSBASE,TSCADJ,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,NFPUSG,RDSEED,ADX,SMAP,PROCTRACE>
Structured Extended Features3=0x9c000000<IBPB,STIBP,L1DFL,SSBD>
XSAVE Features=0x1<XSAVEOPT>
VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID
TSC: P-state invariant, performance statistics
> make is statically linked, do dynamically linked program fault ?
>
After some more checks, only the statically linked programs crash.
--
Charlie Li
Can't think of a witty .sigline today…
(This email address is for mailing list use only; replace local-part
with vishwin for off-list communication)
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