Hi Some additional information that leads me to believe this is a xen issue.
gcc 4.6.3 code has the following #define OPTION_MASK_ISA_FMA4_SET \ (OPTION_MASK_ISA_FMA4 | OPTION_MASK_ISA_SSE4A_SET \ | OPTION_MASK_ISA_AVX_SET) So when you use -mfma4 option it also enables avx instruction set. I believe xen likely should be filtering out fma4 support if its doing the same for avx. thanks jim -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/956051 Title: libc6 crash while running 'xm' To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/eglibc/+bug/956051/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
