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On Tue, 14 May 1996, Ulrich Windl wrote:
> In 1.99.2 the time still jumps backward from time to time (with or
> without the Pentium CC). Even though H. G. Wells would have been a
> great fan of it, I think the rest of the users won't like it that
> much.
I have patches for time warps, with or without the pentium stuff.
those patches fix all 3 kinds of time warps i found so far. Since i see no
more time warps, i need some feedback.
I suspected some general time warp too, in sched.c, but the tricky thing
is that concurrently there are bugs/problems in both do_fast_gettimeoffset()
and do_slow_gettimoffset().
the best test i found so far is:
dd if=/dev/hda1 of=/dev/null & sleep 1; dd if=/dev/hda2 of=/dev/null
(hda1 and hda2 should be two IDE partitions ...)
-- mingo
ps. i've attached a patch against pre2.0.4, that fixes all problems for
me. Please if ppl with time warps could test it out. They work on my
systems perfectly. I've attached a small testprogram too (posted by the
original bug-reporter), which should be run concurrently with the "dd"-s
(or find /-s, or whatever).
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