Date: Sun, 12 Aug 2001 16:44:28 +0100 From: Josef Karthauser <joe@tao.org.uk> To: Bill Paul <wpaul@FreeBSD.ORG> Cc: "Brian F. Feldman" <green@FreeBSD.org>, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/kern link_elf.c Message-ID: <20010812164428.C797@tao.org.uk> In-Reply-To: <20010810234655.7A24237B401@hub.freebsd.org>; from wpaul@FreeBSD.ORG on Fri, Aug 10, 2001 at 04:46:55PM -0700 References: <200108102336.f7ANaUQ85691@green.bikeshed.org> <20010810234655.7A24237B401@hub.freebsd.org>
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[-- Attachment #1 --] On Fri, Aug 10, 2001 at 04:46:55PM -0700, Bill Paul wrote: > > > > I must be misremembering that at one point you couldn't unload a preloaded > > module... > > It was probably due to this bug. :) > > A pre-loaded module looks exactly the same to the system as a module > loaded after system boot. If you pre-load a driver module on which the > system depends, i.e. the driver for the disk controller on which your > root filesystem resides, then you can't unload it without catastrophic > results. But that's a special case. In my case, I'm trying to unload a > driver for a network card which is idle, and it works properly now with > this fix. The only pre-loaded module you can't ever unload under any > circumstances is "kernel." > > And if anybody out there says "Wait! I have patches to fix that!" I'll > scream. What's the difference between a pre-loaded module, i.e. loaded by boot/loader, and a pre-compiled in module? It would be really cool if one could unload the latter type, and kldload a new version of it for testing. AFAIR this wasn't possible last time I tried it. Joe [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (FreeBSD) Comment: For info see http://www.gnupg.org iEYEARECAAYFAjt2pFsACgkQXVIcjOaxUBYXgQCgpcd6hBW4tElmpOlEciUCKjf0 7iwAoMDrLee/PEQrExTnldtNC5AX67PU =iAw6 -----END PGP SIGNATURE-----
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