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Re: NetBSD/vax kernel seems stable now

Tom Ivar Helbekkmo skrev:
Tom Ivar Helbekkmo <tih%Hamartun.Priv.NO@localhost> writes:

I'm once again trying to complete the build without swap, now...

It's working great without swap -- within the limits of available real
memory, of course.  Thus, as in June 2007, my only observed problem is
that swapping makes the machine unstable.  Back then, it would crash
immediately upon swapping something out, whereas now, there seems to be
an unknown likelihood of a crash when it tries to swap something in.

My machine is now four days into the build. With swap, and everything working fine so far. But I have more memory than you, and only 124K swap have been allocated, and I don't know if that memory have been needed after paging out...

Just learned something new: I thought that the cleandir done as part of
a 'build.sh' run without '-u' would remove everything, letting me ignore
any "you have to remove this-and-that from /usr/obj" stuff in UPDATING,
but I just got bitten by this one:

        The posix_fadvise system call has been changed from an assembly
        stub, to a c file that calls an assembly stub. You need to
        'rm -f posix_fadvise.* .depend' in the libc build directory to
        avoid using the old assembly stub.

Turns out that even after the cleandir, posix_fadvise.S was left in the
objdir, tricking make into doing the wrong thing during the build...

That set the build back a few hours... *sigh*

Yeah, that's one of the really nasty details you need to know...
cleandir removed all things it expects to create. If what it expects to create change, and remenants of old creations still hang around, the new cleandir won't remove them... :-)


Johnny Billquist                  || "I'm on a bus
                                  ||  on a psychedelic trip
email: bqt%softjar.se@localhost             ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol

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