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#1 2013-07-06 14:41:55

Super Root
Member
Registered: 2012-08-04
Posts: 23

[SOLVED] NetworkManager not working (no connection)

Apparently I can not even use my wired connection, not to speak about wireless not listing all access points available.

Jul  6 17:38:04 arch dhcpcd[2258]: sending commands to master dhcpcd process
Jul  6 17:38:04 arch dhcpcd[178]: control command: /usr/bin/dhcpcd -B -K -L -G -c /usr/lib/networkmanager/nm-dhcp-client.action enp6s7
Jul  6 17:38:06 arch dhcpcd[178]: enp6s7: removing IP address 192.168.0.100/24

How can I fix it?

I did follow the Wiki and disabled all network services before I started NetworkManager.

Last edited by Super Root (2013-07-07 09:54:25)


Simplicity is prerequisite for reliability.   -- Edsger Dijkstra

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#2 2013-07-06 21:55:15

Super Root
Member
Registered: 2012-08-04
Posts: 23

Re: [SOLVED] NetworkManager not working (no connection)

Anyone? I've checked both Network Manager and Network Configuration Wiki pages, but they didn't seem to help. Everything works out-of-the-box, but as soon as Network Manager is involved, NOTHING works.


Simplicity is prerequisite for reliability.   -- Edsger Dijkstra

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#3 2013-07-06 22:13:28

WonderWoofy
Member
From: Los Gatos, CA
Registered: 2012-05-19
Posts: 8,412

Re: [SOLVED] NetworkManager not working (no connection)

I don't think that lack of response is due to people not knowing potential solutions.  The issue is your total lack of any real detail in your question.  Your network is broken... and apparently you use network manager.  I can tell that your interface is being recognized, but unless you give more information and hopefully can tell of some debugging that you might have tried to do, I don't think you will get any real response.  With how the post is now, maybe you'll get luck with someone wanting to play 20 questions...

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#4 2013-07-07 00:54:31

ewaller
Administrator
From: Pasadena, CA
Registered: 2009-07-13
Posts: 12,280

Re: [SOLVED] NetworkManager not working (no connection)

WonderWoofy expressed my sentiments exactly.  I woke up this morning, read your post, and was able to divine exactly -zero- about what was your problem.  I thought it was a lack of coffee, so I rectified that.  On my return there was no improvement in my comprehension, so, I moved on.  On these forums, a complete lack of response is guaranteed to mean that you need to go back do more research and provide us with additional information. 

We state in our policy that thread bumps are not appropriate on these forums -- unless more information is provided. You may also want to check the link in my signature.

In your case, please tell us:

What kernel and architecture are you running? (What is the output of uname -a )
What is your network hardware? (What is the output of lspci -nn )
What services are running? (What is the output of systemctl )
What are your device names, and what are their states?  (What are the outputs of ip link and of ip addr )
What user space tool are you using to control NetworkManager?
Are you controlling it as root, or as a user?  Are you using sudo?
Are you using a Desktop Environment? (Gnome? KDE?)  Those fully integrated environments sometimes try to "Help" you.
Why did you take that excerpt from the log?  What happened to cause those log entries?


Nothing is too wonderful to be true, if it be consistent with the laws of nature -- Michael Faraday
Like you, I have no idea what you are doing, but I am pretty sure it is wrong...Jasonwryan
----
How to Ask Questions the Smart Way

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#5 2013-07-07 09:23:58

Super Root
Member
Registered: 2012-08-04
Posts: 23

Re: [SOLVED] NetworkManager not working (no connection)

ewaller wrote:

In your case, please tell us:

What kernel and architecture are you running? (What is the output of uname -a )
What is your network hardware? (What is the output of lspci -nn )
What services are running? (What is the output of systemctl )
What are your device names, and what are their states?  (What are the outputs of ip link and of ip addr )
What user space tool are you using to control NetworkManager?
Are you controlling it as root, or as a user?  Are you using sudo?
Are you using a Desktop Environment? (Gnome? KDE?)  Those fully integrated environments sometimes try to "Help" you.
Why did you take that excerpt from the log?  What happened to cause those log entries?

[user@arch ~]$ uname -a
Linux arch 3.9.9-1-ARCH #1 SMP PREEMPT Wed Jul 3 22:52:05 CEST 2013 i686 GNU/Linux
[user@arch ~]$ lspci -nn
00:00.0 Host bridge [0600]: Intel Corporation Mobile 915GM/PM/GMS/910GML Express Processor to DRAM Controller [8086:2590] (rev 03)
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller [8086:2592] (rev 03)
00:02.1 Display controller [0380]: Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller [8086:2792] (rev 03)
00:1c.0 PCI bridge [0604]: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI Express Port 1 [8086:2660] (rev 04)
00:1d.0 USB controller [0c03]: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #1 [8086:2658] (rev 04)
00:1d.1 USB controller [0c03]: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #2 [8086:2659] (rev 04)
00:1d.2 USB controller [0c03]: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #3 [8086:265a] (rev 04)
00:1d.3 USB controller [0c03]: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #4 [8086:265b] (rev 04)
00:1d.7 USB controller [0c03]: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB2 EHCI Controller [8086:265c] (rev 04)
00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev d4)
00:1e.2 Multimedia audio controller [0401]: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC'97 Audio Controller [8086:266e] (rev 04)
00:1e.3 Modem [0703]: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC'97 Modem Controller [8086:266d] (rev 04)
00:1f.0 ISA bridge [0601]: Intel Corporation 82801FBM (ICH6M) LPC Interface Bridge [8086:2641] (rev 04)
00:1f.2 IDE interface [0101]: Intel Corporation 82801FBM (ICH6M) SATA Controller [8086:2653] (rev 04)
00:1f.3 SMBus [0c05]: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) SMBus Controller [8086:266a] (rev 04)
06:05.0 Network controller [0280]: Intel Corporation PRO/Wireless 2200BG [Calexico2] Network Connection [8086:4220] (rev 05)
06:07.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ [10ec:8139] (rev 10)
06:09.0 CardBus bridge [0607]: Texas Instruments PCIxx21/x515 Cardbus Controller [104c:8031]
06:09.2 FireWire (IEEE 1394) [0c00]: Texas Instruments OHCI Compliant IEEE 1394 Host Controller [104c:8032]
06:09.3 Mass storage controller [0180]: Texas Instruments PCIxx21 Integrated FlashMedia Controller [104c:8033]
06:09.4 SD Host controller [0805]: Texas Instruments PCI6411/6421/6611/6621/7411/7421/7611/7621 Secure Digital Controller [104c:8034]
[user@arch ~]$ systemctl
UNIT                        LOAD   ACTIVE SUB       DESCRIPTION
proc-sys...t_misc.automount loaded active waiting   Arbitrary Executable File Formats File System Automount Point
sys-devi...-sdb-sdb1.device loaded active plugged   Silicon-Power8G
sys-devi...block-sdb.device loaded active plugged   Silicon-Power8G
sys-devi...et-wlp6s5.device loaded active plugged   WM3B2300BG Mini-PCI Card
sys-devi...et-enp6s7.device loaded active plugged   RTL-8139/8139C/8139C+
sys-devi...und-card0.device loaded active plugged   82801FB/FBM/FR/FW/FRW (ICH6 Family) AC'97 Audio Controller
sys-devi...und-card1.device loaded active plugged   82801FB/FBM/FR/FW/FRW (ICH6 Family) AC'97 Modem Controller
sys-devi...-sda-sda1.device loaded active plugged   SAMSUNG_HM040HI
sys-devi...-sda-sda2.device loaded active plugged   SAMSUNG_HM040HI
sys-devi...-sda-sda3.device loaded active plugged   SAMSUNG_HM040HI
sys-devi...-sda-sda4.device loaded active plugged   SAMSUNG_HM040HI
sys-devi...block-sda.device loaded active plugged   SAMSUNG_HM040HI
sys-devi...block-sr0.device loaded active plugged   PHILIPS_CD-RW_DVD-ROM_SCB5265
sys-devi...tty-ttyS0.device loaded active plugged   /sys/devices/platform/serial8250/tty/ttyS0
sys-devi...tty-ttyS1.device loaded active plugged   /sys/devices/platform/serial8250/tty/ttyS1
sys-devi...tty-ttyS2.device loaded active plugged   /sys/devices/platform/serial8250/tty/ttyS2
sys-devi...tty-ttyS3.device loaded active plugged   /sys/devices/platform/serial8250/tty/ttyS3
sys-module-configfs.device  loaded active plugged   /sys/module/configfs
sys-module-fuse.device      loaded active plugged   /sys/module/fuse
sys-subs...es-enp6s7.device loaded active plugged   RTL-8139/8139C/8139C+
sys-subs...es-wlp6s5.device loaded active plugged   WM3B2300BG Mini-PCI Card
-.mount                     loaded active mounted   /
boot.mount                  loaded active mounted   /boot
dev-hugepages.mount         loaded active mounted   Huge Pages File System
dev-mqueue.mount            loaded active mounted   POSIX Message Queue File System
home.mount                  loaded active mounted   /home
run-user-1000-gvfs.mount    loaded active mounted   /run/user/1000/gvfs
sys-kernel-config.mount     loaded active mounted   Configuration File System
sys-kernel-debug.mount      loaded active mounted   Debug File System
tmp.mount                   loaded active mounted   Temporary Directory
systemd-...ord-console.path loaded active waiting   Dispatch Password Requests to Console Directory Watch
systemd-...ssword-wall.path loaded active waiting   Forward Password Requests to Wall Directory Watch
dbus.service                loaded active running   D-Bus System Message Bus
dhcpcd.service              loaded active running   dhcpcd on all interfaces
getty@tty1.service          loaded active running   Getty on tty1
httpd.service               loaded active running   Apache Web Server
ModemManager.service        loaded active running   Modem Manager
mysqld.service              loaded active running   MariaDB database server
NetworkManager.service      loaded active running   Network Manager
polkit.service              loaded active running   Authorization Manager
syslog-ng.service           loaded active running   System Logger Daemon
systemd-journald.service    loaded active running   Journal Service
systemd-logind.service      loaded active running   Login Service
systemd-remount-fs.service  loaded active exited    Remount Root and Kernel File Systems
systemd-sysctl.service      loaded active exited    Apply Kernel Variables
systemd-...es-setup.service loaded active exited    Recreate Volatile Files and Directories
systemd-...-trigger.service loaded active exited    udev Coldplug all Devices
systemd-udevd.service       loaded active running   udev Kernel Device Manager
systemd-update-utmp.service loaded active exited    Update UTMP about System Reboot/Shutdown
systemd-...sessions.service loaded active exited    Permit User Sessions
systemd-...le-setup.service loaded active exited    Setup Virtual Console
wpa_supplicant.service      loaded active running   WPA supplicant
dbus.socket                 loaded active running   D-Bus System Message Bus Socket
dmeventd.socket             loaded active listening Device-mapper event daemon FIFOs
lvmetad.socket              loaded active listening LVM2 metadata daemon socket
syslog.socket               loaded active running   Syslog Socket
systemd-initctl.socket      loaded active listening /dev/initctl Compatibility Named Pipe
systemd-journald.socket     loaded active running   Journal Socket
systemd-shutdownd.socket    loaded active listening Delayed Shutdown Socket
systemd-...d-control.socket loaded active listening udev Control Socket
systemd-udevd-kernel.socket loaded active running   udev Kernel Socket
dev-sda2.swap               loaded active active    /dev/sda2
basic.target                loaded active active    Basic System
cryptsetup.target           loaded active active    Encrypted Volumes
getty.target                loaded active active    Login Prompts
graphical.target            loaded active active    Graphical Interface
local-fs-pre.target         loaded active active    Local File Systems (Pre)
local-fs.target             loaded active active    Local File Systems
multi-user.target           loaded active active    Multi-User System
network.target              loaded active active    Network
paths.target                loaded active active    Paths
remote-fs.target            loaded active active    Remote File Systems
sockets.target              loaded active active    Sockets
sound.target                loaded active active    Sound Card
swap.target                 loaded active active    Swap
sysinit.target              loaded active active    System Initialization
timers.target               loaded active active    Timers
systemd-...iles-clean.timer loaded active waiting   Daily Cleanup of Temporary Directories

LOAD   = Reflects whether the unit definition was properly loaded.
ACTIVE = The high-level unit activation state, i.e. generalization of SUB.
SUB    = The low-level unit activation state, values depend on unit type.

78 loaded units listed. Pass --all to see loaded but inactive units, too.
To show all installed unit files use 'systemctl list-unit-files'.
[user@arch ~]$ ip link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT 
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: wlp6s5: <NO-CARRIER,BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state DORMANT mode DORMANT qlen 1000
    link/ether 00:15:00:31:55:bd brd ff:ff:ff:ff:ff:ff
3: enp6s7: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN mode DEFAULT qlen 1000
    link/ether 00:0a:e4:a2:5c:c7 brd ff:ff:ff:ff:ff:ff
[user@arch ~]$ ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN 
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: wlp6s5: <NO-CARRIER,BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state DORMANT qlen 1000
    link/ether 00:15:00:31:55:bd brd ff:ff:ff:ff:ff:ff
    inet6 fe80::215:ff:fe31:55bd/64 scope link 
       valid_lft forever preferred_lft forever
3: enp6s7: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000
    link/ether 00:0a:e4:a2:5c:c7 brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.101/24 brd 192.168.0.255 scope global enp6s7
       valid_lft forever preferred_lft forever
    inet6 fe80::20a:e4ff:fea2:5cc7/64 scope link 
       valid_lft forever preferred_lft forever

I'm using network-manager-applet (nmapplet) and running it as a regular user. Tried to sudo, but except loosing some of the "styling" nothing changed.

No desktop environemt - I'm using Openbox.

As per the excerpt from my logs - I was just searching for *something* related to the problem. That was the only thing I was able to find. Those lines were generated by clicking on the nmapplet icon and choosing Wired network connection, which dropped in just a few seconds.

EDIT: installing dhclient fixed everything.

Last edited by Super Root (2013-07-07 09:55:25)


Simplicity is prerequisite for reliability.   -- Edsger Dijkstra

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