Ubuntu
valgrind package

  1. Xenial (16.04)
  2. Bug #1501545
  3. Comment #0

Comment 0 for bug 1501545

Revision history for this message
Brandon Schaefer (brandontschaefer) wrote :

vex amd64->IR: unhandled instruction bytes: 0xF 0xC7 0xF0 0x89 0x6 0xF 0x42 0xC1
vex amd64->IR: REX=0 REX.W=0 REX.R=0 REX.X=0 REX.B=0
vex amd64->IR: VEX=0 VEX.L=0 VEX.nVVVV=0x0 ESC=0F
vex amd64->IR: PFX.66=0 PFX.F2=0 PFX.F3=0

opcode "rdrand %eax"

How to reproduce (need haswell or a cpu that supports rdrand)
http://pastebin.ubuntu.com/12628142/
g++ -std=c++14 test.cpp -o test
valgrind ./test