Migrating 5.2 from Pentium 4 to Athlon MP

From: Ihsan Junaidi (freebsd_at_synthexp.net)
Date: 01/27/04

  • Next message: jsha: "kern.flp === zf_read: unexpected EOF" 
    Date: Wed, 28 Jan 2004 01:10:58 +0800
To: freebsd-questions@FreeBSD.org

    Hello all,

    I have a server currently running on a Pentium 4 box. Yesterday I bought
    an AMD 762 MPX chipset to go with two Athlon MP 2000+. The production
    server is running FreeBSD 5.2, a GENERIC with additional SCSI/RAID
    controllers trimmed off.

    The kernel and all of the userland + ports were built with -march=p4
    flags and I am wondering if there's any way I can just plug the disk
    into the Athlon box without rebuilding everything with the exception of
    the world+kernel. FYI, the kernel is SMP-aware.

    How does the -march flag effect the userland programs? I am aware that
    only OpenSSL is capable of taking advantage of specific CPU instructions
    but other than that?

    Thank you for your time,
    Ihsan
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