Re: 2.6.17-rc4-mm1 nfsroot build err, looks related to klibc

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H. Peter Anvin wrote:
Jim Cromie wrote:
H. Peter Anvin wrote:
Jim Cromie wrote:

Ok, it built clean, but broke on boot.


What does the full command line look like?

    -hpa

I presume you mean the kernel boot-line, since last post included the 'Running ipconfig'

Ive been banging at the kernel with permutations of the following pxelinux stanza.

LABEL   I 2.6.17-rc4-mm1-sk
 MENU LABEL    ^i.  2.6.17-rc4-mm1-sk
 KERNEL        vmlinuz-2.6.17-rc4-mm1-sk
APPEND console=ttyS0,115200n81 root=/dev/nfs nfsroot=/nfshost/truck ip=192.168.42.100:192.168.42.1:192.168.42.1:255.255.255.0:soekris:eth0 panic=5

I think the problem lies with picking up a decent 'rootpath', since that
part of the output is always empty, for all variations tried so far..


Okay, this is probably a result of specifying the NFS server in the ip= option and the nfsroot not having a server. I will try to debug this and straighten it out.

ok - that may need attention, but its also my misunderstanding of the rootpath field; which describes only what it got from dhcp, I was looking for the cmd-line arg
to show up there also.  the 'complete' threw me.

Anyway, I passed it in via dhcp.conf, so I now get this, (and command-line override)

IP-Config: eth0 guessed nameserver address 192.168.42.1
IP-Config: eth0 complete (from 192.168.42.1):
address: 192.168.42.100 broadcast: 192.168.42.255 netmask: 255.255.255.0
gateway: 0.0.0.0          dns0     : 192.168.42.1     dns1   : 0.0.0.0
rootserver: 192.168.42.1 rootpath: /nfshost/truck
eth0: state = 4
kinit: do_mounts
kinit: name_to_dev_t(/dev/nfs) = dev(0,255)
kinit: root_dev = dev(0,255)
nfsroot=/nfshost/truck overrides boot server bootpath /nfshost/truck
NFS-Root: mo[ 22.660000] Kernel panic - not syncing: Attempted to kill init! unting ip= on /r[ 22.668000] oot with options<0>Rebooting in 5 seconds.. 'none'
kinit: need a server
Checking for init: /sbin/init
Checking for init: /bin/init


Ive added this, but havent yet seen its output :-/


[jimc@harpo kinit]$ diff -u  nfsmount/main.c~ nfsmount/main.c
--- nfsmount/main.c~    2006-05-15 10:03:56.000000000 -0600
+++ nfsmount/main.c     2006-05-17 11:39:59.000000000 -0600
@@ -247,6 +247,10 @@
               return 1;
#endif

+       fprintf(stderr, "nfs_mount:"
+ "rem_name %s, hostname %s, server %x, rem_path %s, path %s\n",
+               rem_name, hostname, server, rem_path, path);
+
       if (nfs_mount(rem_name, hostname, server, rem_path, path,
                     &mount_data) != 0)
               return 1;





    -hpa


thanks
-
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