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