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    SubjectRe: RT patch breaks X86_64 build

    * Michal Schmidt <> wrote:

    > Ingo Molnar wrote:
    > >hm, one difference is that i'm running a 64-bit kernel but 32-bit
    > >userspace (FC3-ish).
    > Yes, that's it! I've just successfully booted into 32-bit userspace (I
    > have a separate partition with old 32-bit Debian) with x86_64 kernel and
    > LATENCY_TRACE enabled. Everything seemed to work.
    > Then I mounted my normal root partition under /mnt/64 and tried
    > chroot /mnt/64
    > I got a SIGSEGV. Then I copied some simple binaries from /mnt/64/bin to
    > /root/test/bin and some necessary libraries to /root/test/lib and did
    > chroot /root/test
    > I could run 64-bit sash, ls, cat, date, mkdir - it worked. 64-bit bash
    > however segfaulted.

    perhaps my mcount stubs dont save enough registers, leading to register
    corruption on 64-bit userspace? In that case i'd expect more breakage
    though, so maybe it's something more subtle.

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      Last update: 2005-06-03 07:23    [W:0.022 / U:1.680 seconds]
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