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    SubjectRe: Something wrong with scheduler in linux 2.1.127/2.1.128
    Michael H. Warfield
    > 2.1.126 - Problem not seen - SMP disabled
    > 2.1.127pre2 - Problem not seen - SMP disabled
    > 2.1.127pre3 - Not seen but sched.c bombs gcc with segv with SMP disabled
    > 2.1.127pre7 - Can compile with SMP disabled, problem first noticed...
    > 2.1.127 - Problem present - SMP disabled, SMP enabled not tested.
    > 2.1.128 - Problem present - SMP disabled, SMP enabled under test NOW.

    I can't say anything about 2.1.127 (I skipped it), but I'm having some
    scheduler problems too (I assume shed) on my 486dx2-66 (UP, SMP
    disabled) 128 kernel.

    After a fresh boot, X-Windows starts up (XDM), I log in, fire up an
    xterm, and do a `tar -zxvf foo' or `tar -Ixvf foo' (doesn't matter), and
    the tar/{g,b}zip combo runs really slowly. The rest of the system seams
    to be normal (or mostly so, not sure). This is within 5-10 minutes of
    booting. Prior to booting (when I first noticed the problem), I ran top
    and found that tar/gzip were using < 10% cpu (only X going otherwise).
    Running `procinfo -dn1' showed idle at 90-97%. I went back to 126 and
    something similar (tar/bzip2) and user was 50-90% (ie user/system/idle
    etc made sense).

    Leave others their otherness.

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