Re: Solution? Re: pxe-install on FreeBSD 5.3

In message <5b0444b504102111539dad203_at_mail.gmail.com>, Tim Dettloff writes:

then your change sounds like it makes a lot of sense.


>As far as I can see it does not, but if thats is the case, it could
>easily be changed :o)
>
>On Thu, 21 Oct 2004 19:41:02 +0200, Poul-Henning Kamp
><phk_at_phk.freebsd.dk> wrote:
>> In message <5b0444b504102016381f8e3f96_at_mail.gmail.com>, Tim Dettloff writes:
>> >After a lot of searching I think I have found the problem.
>> >
>> >Both sys/nfsclient/nfs_diskless.c (, bootp_subr.c) and sys/dev/md/md.c
>> >sets rootdevnames[0] which is used by sys/kern/vfs_mount.c to select a
>> >root. On 5.2.1 nfs set it first and the setting was later overwritten
>> >by md. I suspect that this commit
>> >http://lists.freebsd.org/pipermail/cvs-src/2004-March/021449.html
>> >changed that order, so that nfs now overwrites the md setting.
>> >I suggest that nfs is modified so it sets rootdevnames[1] instead of
>> >[0]. As far as I can see [1] this is not used for anything. That way
>> >md is alway tried first and then nfs.
>> 
>> Doesn't the search terminate if [0] is NULL ?
>> 
>> 
>> >
>> >>Tim.
>> >
>> >On Wed, 20 Oct 2004 05:16:51 +0000 (UTC), Bjoern A. Zeeb
>> ><bzeeb-lists_at_lists.zabbadoz.net> wrote:
>> >> On Tue, 19 Oct 2004, Tim Dettloff wrote:
>> >>
>> >> Hi,
>> >>
>> >> > On 5.2.1-RELEASE i could just copy /boot from the boot-only iso to my
>> >> > tftp-sever, compile pxeboot with LOADER_TFTP_SUPPORT=YES and I was
>> >> > ready to pxeinstall.
>> >> >
>> >> > When I do the same with 5.3-RC1 the kernel wants to mount root from
>> >> > NFS instead of /dev/md0.
>> >> >
>> >> > What is the reason for this change?
>> >>
>> >> I don't know but I had posted a solution earlier this year. If I
>> >> rememeber correctly it had been setting
>> >>         set vfs.root.mountfrom="ufs:/dev/md0c"
>> >> in boot/loader.rc.
>> >>
>> >>
>> >> > In addition it would really be nice if the iso contained a
>> >> > pxeboot build with LOADER_TFTP_SUPPORT=YES in addition to the
>> >> > standard one. I imagine it is only a couple of lines extra in the makefile..?
>> >>
>> >> +1 from me ;)
>> >>
>> >> --
>> >> Bjoern A. Zeeb                          bzeeb at Zabbadoz dot NeT
>> >>
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>> >
>> 
>> --
>> Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
>> phk_at_FreeBSD.ORG         | TCP/IP since RFC 956
>> FreeBSD committer       | BSD since 4.3-tahoe
>> Never attribute to malice what can adequately be explained by incompetence.
>>
>

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk_at_FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.