Skip site navigation (1)Skip section navigation (2)
Date:      Sat, 19 Nov 2022 22:31:42 +0100
From:      =?utf-8?Q?Chlast=C3=A1k_Miroslav?= <mira@chlastak.cz>
To:        Tomoaki AOKI <junchoon@dec.sakura.ne.jp>
Cc:        FreeBSD CURRENT <freebsd-current@freebsd.org>
Subject:   Re: loader.conf and rootdev option for memory disk
Message-ID:  <97A75B5E-6C38-4CFB-9978-7E254595D980@chlastak.cz>
In-Reply-To: <20221120055845.366367f1d371ae4d6eb8d747@dec.sakura.ne.jp>
References:  <2E58D34B-F8C5-4291-B019-9E24F56DC3DF@chlastak.cz> <CANCZdfqGhHXCJtUOctpoB-sAuxSdzJZERSBritTazp_uragZ=Q@mail.gmail.com> <F3702494-1433-4324-B972-52FBD84EFFD8@chlastak.cz> <20221120055845.366367f1d371ae4d6eb8d747@dec.sakura.ne.jp>

index | next in thread | previous in thread | raw e-mail

[-- Attachment #1 --]
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 <junchoon@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 <mira@chlastak.cz <mailto: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 <mailto:imp@bsdimp.com>> wrote:
>>> 
>>> 
>>> 
>>> On Fri, Nov 18, 2022 at 12:57 PM Chlasták Miroslav <mira@chlastak.cz <mailto:mira@chlastak.cz> <mailto: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 <mailto:junchoon@dec.sakura.ne.jp>>


[-- Attachment #2 --]
<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Look at the file /boot/defaults/loader.conf:<div class=""><br class=""></div><div class="">…</div><div class=""><div class="">### &nbsp;Initial memory disk settings &nbsp;###########################</div><div class="">#mdroot_load="YES" &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;# The "mdroot" prefix is arbitrary.</div><div class="">#mdroot_type="md_image" &nbsp; &nbsp; &nbsp; &nbsp; # Create md(4) disk at boot.</div><div class="">#mdroot_name="/boot/root.img" &nbsp; # Path to a file containing the image.</div><div class="">#rootdev="ufs:/dev/md0" &nbsp; &nbsp; &nbsp; &nbsp; # Set the root filesystem to md(4) device.</div><div class="">…</div><div class=""><br class=""></div><div class="">—</div><div class="">Mira</div><div><br class=""><blockquote type="cite" class=""><div class="">On 19 Nov 2022, at 21:58, Tomoaki AOKI &lt;<a href="mailto:junchoon@dec.sakura.ne.jp" class="">junchoon@dec.sakura.ne.jp</a>&gt; wrote:</div><br class="Apple-interchange-newline"><div class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">IIUC, rootdev should be set in loader.env, if needed.</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">`man 5 loader.conf` has nothing about rootdev variable.</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">(It's undocumented, IIRC.)</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">On Sat, 19 Nov 2022 19:57:47 +0100</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">Chlasták Miroslav &lt;</span><a href="mailto:mira@chlastak.cz" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" class="">mira@chlastak.cz</a><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">&gt; wrote:</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><blockquote type="cite" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">I have my device working for now - but the question is - Is the documentation and example for “rootdev” right or not?<br class=""><br class="">—<br class="">Mira<br class=""><br class=""><blockquote type="cite" class="">On 18 Nov 2022, at 21:13, Warner Losh &lt;<a href="mailto:imp@bsdimp.com" class="">imp@bsdimp.com</a>&gt; wrote:<br class=""><br class=""><br class=""><br class="">On Fri, Nov 18, 2022 at 12:57 PM Chlasták Miroslav &lt;<a href="mailto:mira@chlastak.cz" class="">mira@chlastak.cz</a><span class="Apple-converted-space">&nbsp;</span>&lt;<a href="mailto:mira@chlastak.cz" class="">mailto:mira@chlastak.cz</a>&gt;&gt; wrote:<br class="">Hi all,<br class=""><br class="">In the /boot/defaults/loader.conf are these options for memory disk settings:<br class=""><br class="">#mdroot_load="YES" &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;# The "mdroot" prefix is arbitrary.<br class="">#mdroot_type="md_image" &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;# Create md(4) disk at boot.<br class="">#mdroot_name="/boot/root.img" &nbsp;&nbsp;# Path to a file containing the image.<br class="">#rootdev="ufs:/dev/md0" &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;# Set the root filesystem to md(4) device.<br class=""><br class=""><br class="">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:<br class=""><br class="">Can’t determine root device<br class=""><br class=""><br class="">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.<br class=""><br class="">I think you want vfs.root.mountfrom= instead of rootdev= here.<br class=""><br class="">Warner<br class=""><br class="">—<br class="">Mira<br class=""></blockquote><br class=""></blockquote><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">--<span class="Apple-converted-space">&nbsp;</span></span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">青木 知明 &nbsp;[Tomoaki AOKI] &nbsp;&nbsp;&nbsp;&lt;</span><a href="mailto:junchoon@dec.sakura.ne.jp" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" class="">junchoon@dec.sakura.ne.jp</a><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">&gt;</span></div></blockquote></div><br class=""></div></body></html>
home | help

Want to link to this message? Use this
URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?97A75B5E-6C38-4CFB-9978-7E254595D980>