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Author Topic: WiFi Cannot Scan  (Read 65410 times)

Offline tinypoodle

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Re: *SOLVED* WiFi Cannot Scan
« Reply #120 on: February 02, 2014, 06:46:22 AM »
udhcpc is an applet of busybox, like most commands in Core Base.
There is no conflict whatsoever, if that's what you meant to ask.
"Software gets slower faster than hardware gets faster." Niklaus Wirth - A Plea for Lean Software (1995)

Offline eltone

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Re: *SOLVED* WiFi Cannot Scan
« Reply #121 on: February 02, 2014, 04:00:17 PM »
And if you still don't like udhcpc, you could always use the dhcpcd.tcz extension as in repo instead   ;)
hi,
Current revision == 6.21.0
dhcpcd.tcz rev.  == 5.2.12

Quote
Title:      dhcpcd.tcz
Description:   A RFC2131 compliant DHCP client.
Version:   5.2.12
Author:      Roy Marples
Original-site:   http://roy.marples.name/projects/dhcpcd
Copying-policy:   BSD
Size:      44K
Extension_by:   Arslan S.
Tags:    RFC2131 compliant DHCP client.
Comments:   This extension is PPI compatible.
Change-log:   2010/07/05 First Version 5.2.5
      2010/11/06 Updated to 5.2.8
      2011/02/03 Updated to 5.2.10
      2011/03/14 Updated to 5.2.11
Current:   2011/04/10 Updated to 5.2.12


Please update . . .
eltone
PS. Like/dislike udhcpc; it's broken and needs to be fixed :)

Offline Juanito

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Re: *SOLVED* WiFi Cannot Scan
« Reply #122 on: February 02, 2014, 04:06:05 PM »
Please stop this - udhcpc is not broken and does not need to be fixed - way back in this thread you even posted from a wifi connection made with udhcpc.

If you'd like dhcpcd to be updated, please pm the maintainer

Offline eltone

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INTERMITTANT udhcpc
« Reply #123 on: February 02, 2014, 04:57:43 PM »
Please stop this - udhcpc is not broken and does not need to be fixed - way back in this thread you even posted from a wifi connection made with udhcpc.

If you'd like dhcpcd to be updated, please pm the maintainer
CORRECTION!
Dear Juanito:

'dhcpcd' was/is not in this threads original intent.  It was a suggestion by someone else!

'udhcpc' is VERY unstable on two machines.  PC #2 has a WLAN adapter that has it's driver compiled into the 3.8.13 Kernel.  There is no need to cut it's firmware like PC #1 AND it still fails to get a consistant IP address just like PC #1.  I would like to start a new thread when I find time  to troubleshoot PC #2.

Sincerely,
eltone
PS.  no offense  :)

Current udhcpc revision == 1.22.1
TCP 5.1 udhcpc version == 1.20.2

Offline gerald_clark

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Re: *SOLVED* WiFi Cannot Scan
« Reply #124 on: February 02, 2014, 05:02:43 PM »
Do not start a new thread for an existing discussion.  It merely deprives readers from understanding what has already been discussed.

Offline tinypoodle

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Re: *SOLVED* WiFi Cannot Scan
« Reply #125 on: February 02, 2014, 11:24:06 PM »
This thread now being 125 posts long, I have not noticed any evidence that udhcpc would be "broken" or "unstable".

In your log attached to Reply #114 everything appears to be perfect to me, not sure what your issue is.

In case you attempt to run any dhcp client on an interface without first having established a fully functional net link, of course there will be no response from any server, that is only expected!
"Software gets slower faster than hardware gets faster." Niklaus Wirth - A Plea for Lean Software (1995)

Offline eltone

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Re: *SOLVED* WiFi Cannot Scan
« Reply #126 on: February 03, 2014, 12:23:58 AM »
This thread now being 125 posts long, I have not noticed any evidence that udhcpc would be "broken" or "unstable".

In your log attached to Reply #114 everything appears to be perfect to me, not sure what your issue is.

In case you attempt to run any dhcp client on an interface without first having established a fully functional net link, of course there will be no response from any server, that is only expected!

Dear tinypoodle:

The only CLI instructions needed by PC #2 to post this note:

Quote
$ tce-load -i wireless_tools

$ sudo iwconfig wlan0 essid eltonenetwork

$ sudo iwconfig wlan0 key 6789abcdef

$ sudo iwconfig

$ sudo udhcpc -b -i wlan0 -x hostname:box -p /var/run/udhcpc.wlan0.pid


Q: If udhcpc fails to fetch an IP address following a cold boot, using the same CLI indexing, what's the cause?  This occurs frequently on two separate PC's!

Sincerely,
eltone

Offline tinypoodle

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Re: *SOLVED* WiFi Cannot Scan
« Reply #127 on: February 03, 2014, 06:04:45 AM »
Did you check parameters of your link as advized in Reply #113?
« Last Edit: February 03, 2014, 06:53:55 AM by tinypoodle »
"Software gets slower faster than hardware gets faster." Niklaus Wirth - A Plea for Lean Software (1995)

Offline bmarkus

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Re: *SOLVED* WiFi Cannot Scan
« Reply #128 on: February 03, 2014, 06:30:05 AM »
And if you still don't like udhcpc, you could always use the dhcpcd.tcz extension as in repo instead   ;)
hi,
Current revision == 6.21.0
dhcpcd.tcz rev.  == 5.2.12

Quote
Title:      dhcpcd.tcz
Description:   A RFC2131 compliant DHCP client.
Version:   5.2.12
Author:      Roy Marples
Original-site:   http://roy.marples.name/projects/dhcpcd
Copying-policy:   BSD
Size:      44K
Extension_by:   Arslan S.
Tags:    RFC2131 compliant DHCP client.
Comments:   This extension is PPI compatible.
Change-log:   2010/07/05 First Version 5.2.5
      2010/11/06 Updated to 5.2.8
      2011/02/03 Updated to 5.2.10
      2011/03/14 Updated to 5.2.11
Current:   2011/04/10 Updated to 5.2.12


Please update . . .
eltone
PS. Like/dislike udhcpc; it's broken and needs to be fixed :)

Why do you think an update would solve the problem? If you are unhappy with udhcpc you can try dhcp.tcz the official ISC client. But trust others, it IS NOT an udhcp issue!
Béla
Ham Radio callsign: HA5DI

"Amateur Radio: The First Technology-Based Social Network."

Offline eltone

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'udhcpc' problem linked 2 'onboot.lst'
« Reply #129 on: February 03, 2014, 06:12:02 PM »
Remember that extension deps are recursive, there is no need to have most of those extensions named in onboot.lst

hi,

I just established udhcpc finding an IP address fiasco linked to invalid extensions named in onboot.lst!

Q: How can invalid onboot.lst extensions get blacklisted from ever existing in onboot.lst?

eltone

Offline tinypoodle

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Re: *SOLVED* WiFi Cannot Scan
« Reply #130 on: February 03, 2014, 06:31:33 PM »
Use "apps" for extension maintenance.
"Software gets slower faster than hardware gets faster." Niklaus Wirth - A Plea for Lean Software (1995)

Offline Rich

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Re: *SOLVED* WiFi Cannot Scan
« Reply #131 on: February 04, 2014, 10:14:36 PM »
Hi eltone
You are attempting take a quote by gerald_clark and use it out of context.
The existing discussion is about wireless network connections. You are now starting a new topic and that should be in a
separate thread.

Offline eltone

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'dhcpcd' Can't Add dns
« Reply #132 on: February 07, 2014, 02:26:31 PM »


Why do you think an update would solve the problem? If you are unhappy with udhcpc you can try dhcp.tcz the official ISC client. But trust others, it IS NOT an udhcp issue!

Dear bmarkus:

Here is the problem, if I take the functional LiveUSB w/udhcpc to another PC, udhcpc freezes 80% and fully functions the other 20% of the time!

'dhcp.tcz' is not in the tc-4.x repo, so I just installed the 'dhcpcd.tcz'  DHCP client on my stable 4.77 LiveUSB, to test:

Code: [Select]

tc@box:~$ sudo dhcpcd wlan0 -X 192.168.0.64 -h box
dhcpcd[2266]: version 5.2.12 starting
dhcpcd[2266]: wlan0: waiting for carrier
dhcpcd[2266]: wlan0: carrier acquired
dhcpcd[2266]: wlan0: broadcasting for a lease
dhcpcd[2266]: wlan0: offered 192.168.0.64 from 192.168.0.1
dhcpcd[2266]: wlan0: acknowledged 192.168.0.64 from 192.168.0.1
dhcpcd[2266]: wlan0: checking for 192.168.0.64
dhcpcd[2266]: wlan0: leased 192.168.0.64 for 86400 seconds
dhcpcd[2266]: forked to background, child pid 2303
tc@box:~$

It appears dhcpcd accepted the static IP address, but NO AP connection, yet NO errors were trapped!

To post this note, udhcpc was used:

Code: [Select]
c@box:~$ sudo udhcpc -b -i wlan0 -x hostname:box -p /var/run/udhcpc.wlan0.pid
udhcpc (v1.20.2) started
Sending discover...
Sending select for 192.168.0.64...
Lease of 192.168.0.64 obtained, lease time 86400
deleting routers
route: SIOCDELRT: No such process
adding dns 205.171.9.25
adding dns 8.8.4.4
adding dns 205.171.6.25
adding dns 8.8.8.8
tc@box:~$


This dialog indicates dhcpcd didn't add the dns server addresses!
Q:  How can the essential dns servers be functional w/dhcpcd?

Sincerely,
eltone


Offline bmarkus

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Re: *SOLVED* WiFi Cannot Scan
« Reply #133 on: February 07, 2014, 02:34:50 PM »
Do you have the same problem connecting to other AP/router or just this one?
Béla
Ham Radio callsign: HA5DI

"Amateur Radio: The First Technology-Based Social Network."

Offline gerald_clark

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Re: *SOLVED* WiFi Cannot Scan
« Reply #134 on: February 07, 2014, 02:44:23 PM »
Your claims do not match your evidence.
You could not get an IP address  if you were not associated to an access point.

I don't know how you are specifying 4 dns servers. Only 3 can be used.