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Date:      Fri, 15 Sep 2000 17:23:35 +0200
From:      "Andreas Brodmann" <brodmann@gmaare.migros.net>
To:        <freebsd-questions@freebsd.org>
Subject:   diskless booting with pxeboot and nfs root
Message-ID:  <002101c01f28$ea6abaf0$62820ea4@unixspec>

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So far my machine boots, loads the pxeboot file from
the tftp server and then goes on loading the kernel.

The kernel initializations is still ok, but when coming
to the place where it is supposed to mount its root
filesystem it aborts with the following message:


> no B_DEVMAGIC (bootdev=3D0x38a68)
>
> Manual root filesystem specification:
...


Can anyone help me with what value the bootdev
bootdev variable needs?

I have passed the nfs servers ip as well as the=20
nfs root-path to the pxeboot via dhcp.

Thanks for your help in advance.

Andreas



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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META content=3D"text/html; charset=3Diso-8859-1" =
http-equiv=3DContent-Type>
<META content=3D"MSHTML 5.00.2920.0" name=3DGENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=3D#ffffff>
<DIV><FONT face=3DArial size=3D2>So far my machine boots, loads the =
pxeboot file=20
from</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>the tftp server and then goes on =
loading the=20
kernel.</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>The kernel initializations is still ok, =
but when=20
coming</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>to the place where it is supposed to =
mount its=20
root</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>filesystem it aborts with the following =

message:</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>&gt; no B_DEVMAGIC =
(bootdev=3D0x38a68)</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>&gt;</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>&gt; Manual root filesystem=20
specification:</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>...</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>Can anyone help me with what value the=20
bootdev</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>bootdev variable needs?</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>I have passed the nfs servers ip as =
well as the=20
</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>nfs root-path to the pxeboot via =
dhcp.</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>Thanks for your help in =
advance.</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>Andreas</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV></BODY></HTML>

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