[ath9k-devel] dhcpcd failed to get a valid IP

[Ben Greear <greearb@candelatech.com>]

On 04/15/2014 08:15 AM, Shu, Nick wrote:
> Hi, All:
> Please help on this issue.
> I'm testing with a PCIe card with ath9k chip.
> I downloaded "backports-3.13.2-1" from backport site,  rebuilt the ath9k driver to install.
> After running wpa_supplicant to associate to a 11N access point, I'm using "dhcpcd" to get IP address.
> I did it the same way when I tested a ath10k card and worked.
> But with this ath9k card, I got the error message as following:
> 
> root at coast198:/# dhcpcd -d wlan2
> info, wlan2: dhcpcd 3.2.3 starting
> info, wlan2: hardware address = 04:f0:21:09:05:01
> info, wlan2: DUID = 00:01:00:01:1a:de:5c:27:00:15:61:20:24:3f
> info, wlan2: broadcasting for a lease
> debug, wlan2: sending DHCP_DISCOVER with xid 0x5428e610
> debug, wlan2: waiting for 20 seconds
> debug, wlan2: sending DHCP_DISCOVER with xid 0x5428e610
> debug, wlan2: sending DHCP_DISCOVER with xid 0x5428e610
> debug, wlan2: sending DHCP_DISCOVER with xid 0x5428e610
> debug, wlan2: sending DHCP_DISCOVER with xid 0x5428e610
> debug, wlan2: sending DHCP_DISCOVER with xid 0x5428e610
> debug, wlan2: sending DHCP_DISCOVER with xid 0x5428e610
> err, wlan2: timed out
> info, wlan2: trying to use old lease in `/var/lib/dhcpcd/dhcpcd-wlan2.info'
> debug, wlan2: sending ARP probe #1
> debug, wlan2: sending ARP probe #2
> debug, wlan2: sending ARP probe #3
> debug, wlan2: sending ARP claim #1
> debug, wlan2: sending ARP claim #2
> warn, wlan2: using IPV4LL address 169.254.52.66
> info, wlan2: adding IP address 169.254.52.66/16
> debug, wlan2: no dns information to write
> debug, wlan2: exec "/etc/dhcpcd.sh" "/var/lib/dhcpcd/dhcpcd-wlan2.info" "new"
> debug, wlan2: forking to background
> info, wlan2: exiting
> root at coast198:/# dhcpcd.sh: interface wlan2 has been configured with new IP=169.254.52.66
> 
> Can anybody tell me what's wrong here from this debug message?
> Seems DHCP server did response to discover message, but why?

Try sniffing your AP's interface to see if the discovers make it that
far..if so, then problem is not on your station most likely...

Thanks,
Ben

> 
> 
> Thank you!
> 
> Nick Shu
> 
> 
> E-mail confidentiality.
> --------------------------------
> This e-mail contains confidential and / or privileged information belonging to Spirent Communications plc, its affiliates and / or subsidiaries. If you are not the intended recipient, you are hereby notified that any disclosure, copying, distribution and / or the taking of any action based upon reliance on the contents of this transmission is strictly forbidden. If you have received this message in error please notify the sender by return e-mail and delete it from your system.
> 
> Spirent Communications plc
> Northwood Park, Gatwick Road, Crawley, West Sussex, RH10 9XN, United Kingdom.
> Tel No. +44 (0) 1293 767676
> Fax No. +44 (0) 1293 767677
> 
> Registered in England Number 470893
> Registered at Northwood Park, Gatwick Road, Crawley, West Sussex, RH10 9XN, United Kingdom.
> 
> Or if within the US,
> 
> Spirent Communications,
> 26750 Agoura Road, Calabasas, CA, 91302, USA.
> Tel No. 1-818-676- 2300
> _______________________________________________
> ath9k-devel mailing list
> ath9k-devel at lists.ath9k.org
> https://lists.ath9k.org/mailman/listinfo/ath9k-devel
> 


-- 
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc  http://www.candelatech.com