Date: Thu, 06 Mar 2003 09:26:27 -0300 From: "Daniel C. Sobral" <dcs@tcoip.com.br> To: Michal Mertl <mime@traveller.cz> Cc: current@FreeBSD.ORG Subject: Re: potential for foot-shooting with KLD's Message-ID: <3E673E73.3050108@tcoip.com.br> In-Reply-To: <20030302153608.P44831@prg.traveller.cz> References: <20030302153608.P44831@prg.traveller.cz>
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Michal Mertl wrote: > Imagine you decided to go with modular kernel. You comment out 'device > random' in your kernel-config and place 'random_load=3D"YES"' in > /boot/loader.conf. When you reboot and don't rebuild the kernel first, = you > have your machine unbootable - at least in case you previously had acpi= in > your kernel and acpi doesn't work without OS supplied dsdt (as in my > case) or you need acpi as a module or any other module. > > The way out is to boot from install CDROM, have fixit floppy, mount the= > old root and remove the random.ko module. Which is pretty inconvenient,= > when you don't have the medias handy. > > The problem is that I can't ask loader not to load some module. It does= n't > understand 'unset XX_load'. It doesn't work to say 'set XX_load=3D"NO"'= > either. The only way I found to make it not load the modules is to 'loa= d > /boot/kernel/kernel;set module_path=3D"";boot'. Unfortunately it doesn'= t > help me either because I need to load special acpi_dsdt.aml which isn't= > then loaded either. > > The fix could be to be able to say 'unset XX_load' or make 'set > XX_load=3D"NO"' work. The other fix (probably more difficult to do) > would be to make all modules loading/linking fail when they're > statically compiled in. Alas, granted that I can't test this atm, but from commit logs it seems=20 that -current *does* document this in "?" too! Shame on you! :-) --=20 Daniel C. Sobral Ger=EAncia de Opera=E7=F5es Divis=E3o de Comunica=E7=E3o de Dados Coordena=E7=E3o de Seguran=E7a TCO Fones: 55-61-313-7654/Cel: 55-61-9618-0904 E-mail: Daniel.Capo@tco.net.br Daniel.Sobral@tcoip.com.br dcs@tcoip.com.br To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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