On Thursday 11 April 2013 06:33:17 PM IST, Nikos Chantziaras wrote:
On 09/04/13 06:50, Nilesh Govindrajan wrote:[...] This is the /proc/cpuinfo:processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 2 model name : QEMU Virtual CPU version 1.0 [...] Any idea what should be the march/mtune value?Your best bet is to ask this on the qemu mailing list.
Probably not. I learned from the qemu wiki that it can emulate various kinds of processors. So, they're probably sticking with Intel inside guests irrespective of the host. Also it is a gcc/qemu bug that the CPU is detected as pentium m. As someone posted earlier, gcc 4.4 gives core2. But actually, even that's wrong. I changed the flag and ended up getting illegal instruction for many.
Thankfully I tried that on a new machine.Presently installing Gentoo 32 bit on that new VM with -march=i686 -mtune=native and it's working great.
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