http://bugzilla.suse.com/show_bug.cgi?id=1111657 http://bugzilla.suse.com/show_bug.cgi?id=1111657#c24 Andreas Schwab <schwab@suse.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Component|Other |Kernel Assignee|schwab@suse.com |kernel-maintainers@forge.pr | |ovo.novell.com --- Comment #24 from Andreas Schwab <schwab@suse.com> --- That must be a kernel bug. The same insn at the same address with the same operands produces different results on two calls. (gdb) 0xf7b1f2ef 143 cor = (ssn + s * ccs - sn * c) + cs * s; 1: x/i $pc => 0xf7b1f2ef <__cos+831>: fldl -0x1e2f8(%ebx,%eax,8) 2: $st0 = 1.43323328782651048725e-20 (gdb) 0xf7b1f2f6 143 cor = (ssn + s * ccs - sn * c) + cs * s; 1: x/i $pc => 0xf7b1f2f6 <__cos+838>: faddp %st,%st(1) 2: $st0 = -nan(0xc000000000000000) (gdb) x/x $ebx + $eax * 8 -0x1e2f8 0xf7b9c288: 0xac3fe0cb (gdb) 0xf7b9c28c: 0x3c67c74b (gdb) 0xf7b1f2ef 143 cor = (ssn + s * ccs - sn * c) + cs * s; 1: x/i $pc => 0xf7b1f2ef <__cos+831>: fldl -0x1e2f8(%ebx,%eax,8) 2: $st0 = 1.43323328782651048725e-20 (gdb) 0xf7b1f2f6 143 cor = (ssn + s * ccs - sn * c) + cs * s; 1: x/i $pc => 0xf7b1f2f6 <__cos+838>: faddp %st,%st(1) 2: $st0 = 1.03122798607872161491e-17 (gdb) x/x $ebx + $eax * 8 -0x1e2f8 0xf7b9c288: 0xac3fe0cb (gdb) 0xf7b9c28c: 0x3c67c74b -- You are receiving this mail because: You are on the CC list for the bug.