Date: Sun, 4 Nov 2012 22:55:29 +0100 From: Alexander Leidinger <Alexander@Leidinger.net> To: Dimitry Andric <dim@FreeBSD.org> Cc: current@FreeBSD.org Subject: Re: Do we have a CPUTYPE=native and/or generic stability problem? Message-ID: <20121104225529.000028a9@unknown> In-Reply-To: <5095ACC7.1050002@FreeBSD.org> References: <20121103232433.00005eee@unknown> <5095ACC7.1050002@FreeBSD.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Sun, 04 Nov 2012 00:46:15 +0100 Dimitry Andric <dim@FreeBSD.org> wrote: > On 2012-11-03 23:24, Alexander Leidinger wrote: > > while trying to update from r239708 to r242511 (amd64 arch) I tried > > to compile the world with "make -j8". After a short while I got an > > internal error in the clang compile (this is a gcc-compiled system, > > I don't use clang). The CFLAGS/COPTFLAGS are -O2 -pipe. > > > > Without the -j8 it compiles just fine. > > Without the CPUTYPE?=native it compiles even with -j8. > > Hm, at first I thought you might be running out of RAM, but apparently > that is not the case then. :) The machine has 12 MB RAM (no swap configured), after nearly a day uptime it looks like this: ---snip--- Mem: 348M Active, 599M Inact, 9281M Wired, 264K Cache, 1548M Free ARC: 7117M Total, 1607M MRU, 3996M MFU, 934K Anon, 208M Header, 1307M Other ---snip--- I would not expect an internal compiler error when I run out of RAM. > > The CPU is an Intel(R) Xeon(R) CPU (L5630) with ECC ram. > > What does gcc detect for this CPU with -march=native? You can do: > > gcc -march=native -v -c -x c /dev/null 2>&1 | grep -- -march > > to see what it passes to the second stage. ---snip--- # gcc -march=native -v -c -x c /dev/null 2>&1 | grep -- -march /usr/libexec/cc1 -quiet -v -D_LONGLONG /dev/null -march=core2 -mtune=generic -quiet -dumpbase null -auxbase null -version -o /tmp//cc7kc0JI.s ---snip--- Bye, Alexander. -- http://www.Leidinger.net Alexander @ Leidinger.net: PGP ID = B0063FE7 http://www.FreeBSD.org netchild @ FreeBSD.org : PGP ID = 72077137
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20121104225529.000028a9>