I get the exact same error and bytes. unhandled instruction bytes: 0xF 0xC7 0xF0 0x89 0x6 0xF 0x42 0xC1
It happens when using std::random_device with GCC 5.2 on willy. It's weird GCC stopped using /dev/urandom, a very good randomness source that makes use of RDRAND -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1501545 Title: Valgrind fails on rdrand when the cpu supports it (haswell) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/valgrind/+bug/1501545/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
