Date: Sun, 20 Nov 2022 05:58:45 +0900 From: Tomoaki AOKI <junchoon@dec.sakura.ne.jp> To: =?UTF-8?B?Q2hsYXN0w6Fr?= Miroslav <mira@chlastak.cz> Cc: FreeBSD CURRENT <freebsd-current@freebsd.org> Subject: Re: loader.conf and rootdev option for memory disk Message-ID: <20221120055845.366367f1d371ae4d6eb8d747@dec.sakura.ne.jp> In-Reply-To: <F3702494-1433-4324-B972-52FBD84EFFD8@chlastak.cz> References: <2E58D34B-F8C5-4291-B019-9E24F56DC3DF@chlastak.cz> <CANCZdfqGhHXCJtUOctpoB-sAuxSdzJZERSBritTazp_uragZ=Q@mail.gmail.com> <F3702494-1433-4324-B972-52FBD84EFFD8@chlastak.cz>
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IIUC, rootdev should be set in loader.env, if needed. `man 5 loader.conf` has nothing about rootdev variable. (It's undocumented, IIRC.) On Sat, 19 Nov 2022 19:57:47 +0100 Chlasták Miroslav <mira@chlastak.cz> wrote: > I have my device working for now - but the question is - Is the documentation and example for “rootdev” right or not? > > — > Mira > > > On 18 Nov 2022, at 21:13, Warner Losh <imp@bsdimp.com> wrote: > > > > > > > > On Fri, Nov 18, 2022 at 12:57 PM Chlasták Miroslav <mira@chlastak.cz <mailto:mira@chlastak.cz>> wrote: > > Hi all, > > > > In the /boot/defaults/loader.conf are these options for memory disk settings: > > > > #mdroot_load="YES" # The "mdroot" prefix is arbitrary. > > #mdroot_type="md_image" # Create md(4) disk at boot. > > #mdroot_name="/boot/root.img" # Path to a file containing the image. > > #rootdev="ufs:/dev/md0" # Set the root filesystem to md(4) device. > > > > > > But - is this example for rootdev option still right? Because “ufs:/dev/md0” works fine on freebsd 12.1, but on freebsd 12.3 this does not work and generates error message: > > > > Can’t determine root device > > > > > > When I use this option with value “/dev/md0” or “md0” (even with this option commented out), so the machine boots correctly without any error. > > > > I think you want vfs.root.mountfrom= instead of rootdev= here. > > > > Warner > > > > — > > Mira > -- 青木 知明 [Tomoaki AOKI] <junchoon@dec.sakura.ne.jp>
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