<div dir="ltr">Ok, this does not work either :/<br><br>I guess this is a systemd problem as all the other programs do work. I will try to see there !<div><br></div><div>Thanks a lot for your help !</div></div><br><div class="gmail_quote">Le mer. 4 mars 2015 à 15:43, B Cran <<a href="mailto:bruce.cran@gmail.com">bruce.cran@gmail.com</a>> a écrit :<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Wed, Mar 4, 2015 at 8:35 AM, Benjamin Schubert <span dir="ltr"><<a href="mailto:ben.c.schubert@gmail.com" target="_blank">ben.c.schubert@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr">1) I am running gentoo (hardened version)<br>2) My config is :<br><br><div><span style="line-height:1.5;font-size:13.1999998092651px">CFLAGS="-march=corei7 -mtune=corei7 -mfpmath=sse -msse4.2 -mno-avx -mno-avx2 -O2 -pipe"</span><br></div><div>CXXFLAGS="${CFLAGS}"</div><div>CHOST="x86_64-pc-linux-gnu"</div><div><br></div><div>3) I rebuilt all the system with the same flags...</div></div></blockquote><div><br></div></div></div></div><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><div>Oh, you might need to resort to a reinstall or restore the binaries from the (stage 3?) tarball to undo any damage: I have no idea where it came from because those flags _should_ work, but it'll be near-to-impossible tracking down all the binaries which have been miscompiled.</div><div><br></div><div>'-march=corei7' is for the original i7 which doesn't have avx so it shouldn't be causing problems. The -march values in gcc 4.9 are:</div><div><br></div><div><table cellspacing="0" cellpadding="0" border="0" style="color:rgb(0,0,0);font-family:sans-serif,garamond,times,arial;font-size:14px;text-align:justify"><tbody><tr><td>AMD Barcelona</td><td style="padding-left:5px">- march=barcelona</td></tr><tr><td>AMD Bobcat</td><td style="padding-left:5px">- march=btver1</td></tr><tr><td>AMD Jaguar</td><td style="padding-left:5px">- march=btver2</td></tr><tr><td>AMD Bulldozer</td><td style="padding-left:5px">- march=bdver1</td></tr><tr><td>AMD Piledriver</td><td style="padding-left:5px">- march=bdver2</td></tr><tr><td>AMD Steamroller</td><td style="padding-left:5px">- march=bdver3</td></tr><tr><td>Intel Westmere</td><td style="padding-left:5px">- march=westmere</td></tr><tr><td>Intel Core Nehalem</td><td style="padding-left:5px">- march=corei7</td></tr><tr><td>Intel Core Sandy Bridge</td><td style="padding-left:5px">- march=corei7-avx</td></tr><tr><td>Intel Core Ivy Bridge</td><td style="padding-left:5px">- march=core-avx-i</td></tr><tr><td>Intel Core Haswell</td><td style="padding-left:5px">- march=core-avx2</td></tr><tr><td>Intel Core Broadwell</td><td style="padding-left:5px">- march=broadwell</td></tr><tr><td>Intel Atom Bonnell</td><td style="padding-left:5px">- march=bonnell</td></tr><tr><td>Intel Atom Silvermont<br></td><td style="padding-left:5px">- march=silvermont<br></td></tr></tbody></table><br></div><div>I just tested with -march=silvermont and confirmed that __AVX__ isn't defined. Maybe some library has a bug and assumes all CPUs newer than X have AVX support? Probably best to just stick with corei7 (Nehalem) for now unless you have _lots_ of time to track down where the problem is occurring!</div></div></div></div><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><div><br></div><div>-- </div><div>Bruce</div></div></div></div>
______________________________<u></u>_________________<br>
elinux-MinnowBoard mailing list<br>
<a href="mailto:elinux-MinnowBoard@lists.elinux.org" target="_blank">elinux-MinnowBoard@lists.<u></u>elinux.org</a><br>
<a href="http://lists.elinux.org/mailman/listinfo/elinux-minnowboard" target="_blank">http://lists.elinux.org/<u></u>mailman/listinfo/elinux-<u></u>minnowboard</a><br>
</blockquote></div>