Re: Trouble with ICS (was Re: Ad-hoc network: cannot ping other machine)
- From: Dan Williams <dcbw redhat com>
- To: Patrick McMunn <doctorwhoguy gmail com>
- Cc: networkmanager-list gnome org
- Subject: Re: Trouble with ICS (was Re: Ad-hoc network: cannot ping other machine)
- Date: Tue, 11 Oct 2011 08:33:57 -0500
On Tue, 2011-10-11 at 01:07 -0500, Patrick McMunn wrote:
> Thanks for pointing me to /var/log/messages. I saw an error regarding
> dnsmasq, and I remembered reading somewhere about conflicts between
> dnsmasq and NetworkManager. I had dnsmasq starting up at boot. I
> removed it from my boot process, and now I can create a ICS connection
> on my desktop computer. I also had to disable the ifnet plugin because
> it seems to screw pretty much everything up. Nothing except connecting
> to an infrastructure network seems to work with ifnet.
>
> There seems to be only one last hurdle to clear: I started up my
> laptop to connect to the network I created on my desktop, and it won't
> connect. On my laptop I tried changing the IPv4 settings to DHCP and
> link-local, but neither works. What could be preventing the connection
> here?
Is the laptop Linux or Windows? If it's Linux, what
does /var/log/messages say?
Dan
> On 10/10/11, Patrick McMunn <doctorwhoguy gmail com> wrote:
> > 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
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