Date: Tue, 22 Jun 2010 21:06:56 -0700 From: Ted Faber <faber@isi.edu> To: Hans Petter Selasky <hselasky@c2i.net> Cc: freebsd-hackers@freebsd.org, freebsd-current@freebsd.org Subject: Re: [HEADS UP] Kernel modules don't work properly in FreeBSD 8.1-RC1 Message-ID: <20100623040656.GC23023@zod.isi.edu> In-Reply-To: <201006230238.06831.hselasky@c2i.net> References: <201006230238.06831.hselasky@c2i.net>
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[-- Attachment #1 --] On Wed, Jun 23, 2010 at 02:38:06AM +0200, Hans Petter Selasky wrote: > It appears many kmods are broken because the linker is stripping away static > data declared with the section attribute in FreeBSD 8.1-RC1. > > <cite> > > I added those lines to the LDFLAGS in Makefile.kmod in the cuse4bsd port > made the module and the result loads and creates the /dev/cuse file. Hi. I'm the fellow in Hans's <cite>...</cite>. If someone's looking into this, it's worth mentioning that the sample cdev kmodule in /usr/share/examples/kld/cdev/ also exhibits the behavior. On my 8.1-PRERELEASE system that module does not create the /dev/cedv device, but if you add the line LDFLAGS += -u __start_set_sysinit_set -u __start_set_sysuninit_set \ -u __start_set_sysctl_set -u __start_set_modmetadata_set \ -u __stop_set_sysinit_set -u __stop_set_sysuninit_set \ -u __stop_set_sysctl_set -u __stop_set_modmetadata_set right before the .include <bsd.kmod.mk> in /usr/share/examples/kld/cdev/module/Makefile and remake everything, the module creates the /dev/cdev file when it's loaded. That magical line was suggested by Ryan Stone in another thread: http://docs.freebsd.org/cgi/getmsg.cgi?fetch=120718+0+current/freebsd-hackers Happy hunting, and I'm happy to test patches or provide more information. -- Ted Faber http://www.isi.edu/~faber PGP: http://www.isi.edu/~faber/pubkeys.asc Unexpected attachment on this mail? See http://www.isi.edu/~faber/FAQ.html#SIG [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (FreeBSD) iEYEARECAAYFAkwhiGAACgkQaUz3f+Zf+XvhngCgm+78NGZnUFXI4z9hJu8fe+H3 CzEAn31VtQ6ByJMglAxKmRIDk/7SUqpF =LPYM -----END PGP SIGNATURE-----
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