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Date:      Tue, 19 Mar 2002 10:22:00 +0200
From:      Peter Pentchev <roam@ringlet.net>
To:        hackers@FreeBSD.org
Subject:   kdump/truss ugliness and breakage
Message-ID:  <20020319102159.A36332@straylight.oblivion.bg>

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Hi,

Both kdump(1) and truss(1) use a weird way of harvesting information
about the available ioctl's that they should be aware of: they run
a mkioctls script over ${DESTDIR}/include to fish out the ioctl names
out of the header files.

This is all well and good, *except* in the case when ${DESTDIR}/include
is not really up-to-date; case in point: ioctl's renaming and changing
in yesterday's ATA driver update in -STABLE.  I think there should be
some way to make the mkioctls script run over the actual include directory
used during the build process, somewhere in /usr/obj.  Sorry, no patches,
just a problem report :(

As a workaround, 'cd /usr/src/usr.bin/kdump && make clean all' works
fine, because it both harvers ioctls and builds with the *old* header
files in /usr/include; however, before the next rebuild, kdump will
provide incorrect information.  The second part of the workaround:
just after the installworld, go back to kdump and truss and rebuild
them again, this time with the correct, freshly installed include files.

G'luck,
Peter

--=20
Peter Pentchev	roam@ringlet.net	roam@FreeBSD.org
PGP key:	http://people.FreeBSD.org/~roam/roam.key.asc
Key fingerprint	FDBA FD79 C26F 3C51 C95E  DF9E ED18 B68D 1619 4553
If this sentence were in Chinese, it would say something else.

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