Re: Ad-hoc network: cannot ping other machine

[Patrick McMunn <doctorwhoguy gmail com>]

I rebooted and attempted to connect after reboot before connecting to
the internet. Here's the relevant parts of /var/log/messages

(This line about Avahi was a bit earlier in the log, but I'm including
it in case it's relevant)

Oct 10 20:49:07 localhost dbus[4111]: [system] Failed to activate
service 'org.freedesktop.Avahi': timed out


Oct 10 20:50:20 localhost NetworkManager[4128]: <info> Activation
(wlan0) starting connection 'share'
Oct 10 20:50:20 localhost NetworkManager[4128]: <info> (wlan0): device
state change: disconnected -> prepare (reason 'none') [30 40 0]
Oct 10 20:50:20 localhost NetworkManager[4128]: <info> Activation
(wlan0) Stage 1 of 5 (Device Prepare) scheduled...
Oct 10 20:50:20 localhost NetworkManager[4128]: <info> Activation
(wlan0) Stage 1 of 5 (Device Prepare) started...
Oct 10 20:50:20 localhost NetworkManager[4128]: <info> Activation
(wlan0) Stage 2 of 5 (Device Configure) scheduled...
Oct 10 20:50:20 localhost NetworkManager[4128]: <info> Activation
(wlan0) Stage 1 of 5 (Device Prepare) complete.
Oct 10 20:50:20 localhost NetworkManager[4128]: <info> Activation
(wlan0) Stage 2 of 5 (Device Configure) starting...
Oct 10 20:50:20 localhost NetworkManager[4128]: <info> (wlan0): device
state change: prepare -> config (reason 'none') [40 50 0]
Oct 10 20:50:20 localhost NetworkManager[4128]: <info> Activation
(wlan0/wireless): connection 'share' requires no security.  No secrets
needed.
Oct 10 20:50:20 localhost NetworkManager[4128]: <info> Config: added
'ssid' value 'share'
Oct 10 20:50:20 localhost NetworkManager[4128]: <info> Config: added
'mode' value '1'
Oct 10 20:50:20 localhost NetworkManager[4128]: <info> Config: added
'frequency' value '2457'
Oct 10 20:50:20 localhost NetworkManager[4128]: <info> Config: added
'key_mgmt' value 'NONE'
Oct 10 20:50:20 localhost NetworkManager[4128]: <info> Activation
(wlan0) Stage 2 of 5 (Device Configure) complete.
Oct 10 20:50:20 localhost NetworkManager[4128]: <info> Config: set
interface ap_scan to 2
Oct 10 20:50:20 localhost kernel: [  212.847047] b43-phy0: Loading
firmware version 478.104 (2008-07-01 00:50:23)
Oct 10 20:50:20 localhost kernel: [  212.896155] wlan0: Trigger new
scan to find an IBSS to join
Oct 10 20:50:20 localhost NetworkManager[4128]: <info> (wlan0):
supplicant interface state: inactive -> associating
Oct 10 20:50:25 localhost kernel: [  218.004183] wlan0: Trigger new
scan to find an IBSS to join
Oct 10 20:50:29 localhost kernel: [  222.008033] wlan0: Trigger new
scan to find an IBSS to join
Oct 10 20:50:30 localhost kernel: [  223.090029] wlan0: no IPv6 routers present
Oct 10 20:50:30 localhost kernel: [  223.303136] wlan0: Creating new
IBSS network, BSSID aa:2e:d1:95:8d:23
Oct 10 20:50:30 localhost NetworkManager[4128]: <info> (wlan0):
supplicant interface state: associating -> completed
Oct 10 20:50:30 localhost NetworkManager[4128]: <info> Activation
(wlan0/wireless) Stage 2 of 5 (Device Configure) successful.
Connected to wireless network 'share'.
Oct 10 20:50:30 localhost NetworkManager[4128]: <info> Activation
(wlan0) Stage 3 of 5 (IP Configure Start) scheduled.
Oct 10 20:50:30 localhost NetworkManager[4128]: <info> Activation
(wlan0) Stage 3 of 5 (IP Configure Start) started...
Oct 10 20:50:30 localhost NetworkManager[4128]: <info> (wlan0): device
state change: config -> ip-config (reason 'none') [50 70 0]
Oct 10 20:50:30 localhost NetworkManager[4128]: <info> Activation
(wlan0) Stage 4 of 5 (IP4 Configure Get) scheduled...
Oct 10 20:50:30 localhost NetworkManager[4128]: <info> Activation
(wlan0) Stage 3 of 5 (IP Configure Start) complete.
Oct 10 20:50:30 localhost NetworkManager[4128]: <info> Activation
(wlan0) Stage 4 of 5 (IP4 Configure Get) started...
Oct 10 20:50:30 localhost NetworkManager[4128]: <info> Activation
(wlan0) Stage 5 of 5 (IP Configure Commit) scheduled...
Oct 10 20:50:30 localhost NetworkManager[4128]: <info> Activation
(wlan0) Stage 4 of 5 (IP4 Configure Get) complete.
Oct 10 20:50:30 localhost NetworkManager[4128]: <info> Activation
(wlan0) Stage 5 of 5 (IP Configure Commit) started...
Oct 10 20:50:31 localhost NetworkManager[4128]: <info> (wlan0):
removing resolv.conf from /sbin/resolvconf
Oct 10 20:50:31 localhost NetworkManager[4128]: <info> Clearing nscd
hosts cache.
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> Executing:
/sbin/iptables --table filter --insert INPUT --in-interface wlan0
--protocol tcp --destination-port 53 --jump ACCEPT
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> Executing:
/sbin/iptables --table filter --insert INPUT --in-interface wlan0
--protocol udp --destination-port 53 --jump ACCEPT
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> Executing:
/sbin/iptables --table filter --insert INPUT --in-interface wlan0
--protocol tcp --destination-port 67 --jump ACCEPT
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> Executing:
/sbin/iptables --table filter --insert INPUT --in-interface wlan0
--protocol udp --destination-port 67 --jump ACCEPT
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> Executing:
/sbin/iptables --table filter --insert FORWARD --in-interface wlan0
--jump REJECT
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> Executing:
/sbin/iptables --table filter --insert FORWARD --out-interface wlan0
--jump REJECT
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> Executing:
/sbin/iptables --table filter --insert FORWARD --in-interface wlan0
--out-interface wlan0 --jump ACCEPT
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> Executing:
/sbin/iptables --table filter --insert FORWARD --source
10.42.43.0/255.255.255.0 --in-interface wlan0 --jump ACCEPT
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> Executing:
/sbin/iptables --table filter --insert FORWARD --destination
10.42.43.0/255.255.255.0 --out-interface wlan0 --match state --state
ESTABLISHED,RELATED --jump ACCEPT
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> Executing:
/sbin/iptables --table nat --insert POSTROUTING --source
10.42.43.0/255.255.255.0 ! --destination 10.42.43.0/255.255.255.0
--jump MASQUERADE
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> Starting dnsmasq...
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> (wlan0): device
state change: ip-config -> activated (reason 'none') [70 100 0]
Oct 10 20:50:32 localhost dnsmasq[5359]: failed to create listening
socket for 10.42.43.1: Address already in use
Oct 10 20:50:32 localhost dnsmasq[5359]: FAILED to start up
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> Activation
(wlan0) successful, device activated.
Oct 10 20:50:32 localhost dbus[4111]: [system] Activating service
name='org.freedesktop.nm_dispatcher' (using servicehelper)
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> Activation
(wlan0) Stage 5 of 5 (IP Configure Commit) complete.
Oct 10 20:50:32 localhost NetworkManager[4128]: <warn> dnsmasq exited
with error: Network access problem (address in use; permissions; etc)
(2)
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> (wlan0): device
state change: activated -> failed (reason 'sharing-start-failed') [100
120 18]
Oct 10 20:50:32 localhost NetworkManager[4128]: <warn> Activation
(wlan0) failed for access point (share)
Oct 10 20:50:32 localhost NetworkManager[4128]: <warn> Activation
(wlan0) failed.
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> (wlan0): device
state change: failed -> disconnected (reason 'none') [120 30 0]
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> (wlan0):
deactivating device (reason 'none') [0]
Oct 10 20:50:32 localhost NetworkManager[4128]: <error>
[1318297832.295257] [nm-device-wifi.c:1815] nm_device_wifi_set_mode():
(wlan0): error setting mode 2
Oct 10 20:50:32 localhost dnsmasq[4477]: no servers found in
/etc/resolv.conf, will retry
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> (wlan0):
removing resolv.conf from /sbin/resolvconf
Oct 10 20:50:32 localhost dbus[4111]: [system] Successfully activated
service 'org.freedesktop.nm_dispatcher'
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> Clearing nscd
hosts cache.
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> Executing:
/sbin/iptables --table nat --delete POSTROUTING --source
10.42.43.0/255.255.255.0 ! --destination 10.42.43.0/255.255.255.0
--jump MASQUERADE
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> Executing:
/sbin/iptables --table filter --delete FORWARD --destination
10.42.43.0/255.255.255.0 --out-interface wlan0 --match state --state
ESTABLISHED,RELATED --jump ACCEPT
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> Executing:
/sbin/iptables --table filter --delete FORWARD --source
10.42.43.0/255.255.255.0 --in-interface wlan0 --jump ACCEPT
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> Executing:
/sbin/iptables --table filter --delete FORWARD --in-interface wlan0
--out-interface wlan0 --jump ACCEPT
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> Executing:
/sbin/iptables --table filter --delete FORWARD --out-interface wlan0
--jump REJECT
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> Executing:
/sbin/iptables --table filter --delete FORWARD --in-interface wlan0
--jump REJECT
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> Executing:
/sbin/iptables --table filter --delete INPUT --in-interface wlan0
--protocol udp --destination-port 67 --jump ACCEPT
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> Executing:
/sbin/iptables --table filter --delete INPUT --in-interface wlan0
--protocol tcp --destination-port 67 --jump ACCEPT
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> Executing:
/sbin/iptables --table filter --delete INPUT --in-interface wlan0
--protocol udp --destination-port 53 --jump ACCEPT
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> Executing:
/sbin/iptables --table filter --delete INPUT --in-interface wlan0
--protocol tcp --destination-port 53 --jump ACCEPT
Oct 10 20:50:32 localhost NetworkManager[4128]: <info> (wlan0):
supplicant interface state: completed -> disconnected