On Thursday 21 October 2004 01:41 pm, Poul-Henning Kamp 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 ? Perhaps there should be a small wrapper function to register a candidate root with an associated priority and that wrapper function could then manage the rootdevnames[] array and keep them sorted based on the priority? > >>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 > > > >_______________________________________________ > >freebsd-current_at_freebsd.org mailing list > >http://lists.freebsd.org/mailman/listinfo/freebsd-current > >To unsubscribe, send any mail to "freebsd-current-unsubscribe_at_freebsd.org" -- John Baldwin <jhb_at_FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.orgReceived on Thu Oct 21 2004 - 18:58:42 UTC
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