On Sat, Jun 23, 2012 at 12:37 AM, Michael Mol <mike...@gmail.com> wrote: > On Sat, Jun 2, 2012 at 11:56 PM, Michael Mol <mike...@gmail.com> wrote: >> On Sat, Jun 2, 2012 at 11:34 PM, Dmitry Goncharov >> <dgoncha...@users.sf.net> wrote: >>> On Sat, Jun 02, 2012 at 10:52:12PM -0400, Michael Mol wrote: >>>> On Sat, Apr 28, 2012 at 11:07 AM, Michael Mol <mike...@gmail.com> wrote: >>>> Wow. Just wow. This is incredible. >>>> >>>> This is repeatable for me. >>>> >>> <snip> >>>> * The problem occurred while executing the ebuild file named >>>> * 'glibc-2.14.1-r3.ebuild' located in the '/var/db/pkg/sys- >>>> >>> <snip> >>>> CFLAGS="-O2 -pipe -D_FORTIFY_SOURCE=2 -march=core2 -mcx16 -msahf >>>> --param l1-cache-size=32 --param l1-cache-line-size=64 --param >>>> l2-cache-size=4096 -mtune=core2 -ggdb3" >>>> CXXFLAGS="${CFLAGS}" >>> >>> Can you upgrage to glibc-2.15? >> >> Sure. It's going to be another full reinstall. > > Forgot to try this. Will do tomorrow. > >> >>> Can you tweak you gcc flags to something more conventional and see if the >>> problem persists? >> >> Those CFLAGS should be equivalent to: >> CFLAGS="-O2 -pipe -ggdb3 --march=native". >> >> But I'll try making it just -O2 -pipe --march=native. > > Just an update: Tried CFLAGS="-O2 -pipe --march=native -ggdb3". Same results. > >> >>> If you are interested in submitting a patch to the upstream then you can >>> build >>> the glibc test suite with your gcc flags and check if the tests pass. > > I do still have a working gentoo laptop I could try this on...but it > has an i3 proc, as opposed to the core 2 xeon or the phenom 9650. Have > a link to instructions?
For anyone following or interested, this is now reported as bug #423149. I'll be tracking progress there, so I have a common place to keep notes and discoveries as I try to work it out. https://bugs.gentoo.org/show_bug.cgi?id=423149 -- :wq