On Sat, Nov 19, 2022 at 6:01 PM Tomoaki AOKI <junch...@dec.sakura.ne.jp> wrote:
> But your previous post shows rootdev= there didn't work, and needed > setting vfs.root.mountfrom=. > > OTOH, rootdev= is reported to work in efi/boot/freebsd/loader.env (with > efi loader) on freebsd-users-jp ML (as it's Japanese ML, in Japanese) > this year. > > So /boot/defaults/loader.conf (/usr/src/stand/defaults/loader.conf) > should be fixed, and what should be set in loader.env should be > documented. > > *Dedicated brand-new manpage or in boot.8 (or in loader.8 describing > rootdev, or loader.conf.8 in contrast with itself). > Reading the code it's complicated. rootdev looks like it overrides the default root... unless vfs.root.mountfrom has already been set. > > On Sat, 19 Nov 2022 22:31:42 +0100 > Chlasták Miroslav <m...@chlastak.cz> wrote: > > > Look at the file /boot/defaults/loader.conf: > > > > … > > ### Initial 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. > > … > > > > — > > Mira > > > > > On 19 Nov 2022, at 21:58, Tomoaki AOKI <junch...@dec.sakura.ne.jp> > wrote: > > > > > > 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 <m...@chlastak.cz <mailto:m...@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 <i...@bsdimp.com <mailto: > i...@bsdimp.com>> wrote: > > >>> > > >>> > > >>> > > >>> On Fri, Nov 18, 2022 at 12:57 PM Chlasták Miroslav <m...@chlastak.cz > <mailto:m...@chlastak.cz> <mailto:m...@chlastak.cz <mailto: > m...@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] <junch...@dec.sakura.ne.jp <mailto: > junch...@dec.sakura.ne.jp>> > > > > > -- > 青木 知明 [Tomoaki AOKI] <junch...@dec.sakura.ne.jp> > >
