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SubjectRe: RT patch breaks X86_64 build

* Michal Schmidt <> wrote:

> Ingo Molnar wrote:
> >hm, it does work for me. I had trouble in the past with gcc & mcount on
> >x64. This version seems to work fine for me:
> >
> > gcc version 3.4.0 20040129 (Red Hat Linux 3.4.0-0.3)
> I could not find this exact version, so I downloaded
> gcc34-3.4.0-1.x86_64.rpm from Fedora Core 2, converted it do .deb with
> alien, installed it and made a symlink gcc -> gcc34. gcc --version says:
> gcc (GCC) 3.4.0 (Red Hat Linux 3.4.0-1)
> I did "make mrproper", copied back your .config, enabled LATENCY_TRACE
> and rebuilt the kernel.
> init still segfaults.

hm, one difference is that i'm running a 64-bit kernel but 32-bit
userspace (FC3-ish).

> It would be good to hear about other people's experiences with
> LATENCY_TRACE on amd64. Am I the only one for whom it breaks?

i definitely had problems with LATENCY_TRACE on x64 in the past - i am
in fact surprised that it works for me.

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