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#1 2014-05-23 04:14:52
- heyom
- Member
- Registered: 2013-12-03
- Posts: 43
[SOLVED] Network Stopped After Few Seconds/Minutes of Working
I have a weird problem that I wouldn't find a clear solution to fix it. I set my network configuration correctly by using only wpa_supplicant & wireless_tools. Here are my all configuration:
pacman.conf:
...
SigLevel = Required DatabaseOptional TrustedOnly
LocalFileSigLevel = Required DatabaseOptional TrustedOnly
...DNSCrypt
/etc/resolv.conf:
nameserver 127.0.0.1/etc/dhcpcd.conf:
nohook resolv.conf
noipv6rsthen I issued this:
chattr +i /etc/resolv.conf
/etc/hosts:
127.0.0.1 localhost.localdomain localhost my-pc/usr/lib/sysctl.d/50-default.conf:
fs.protected_hardlinks = 1
fs.protected_symlinks = 1
kernel.sysrq = 0
kernel.dmesg_restrict = 1
kernel.kptr_restrict = 1
kernel.yama.ptrace_scope = 1
net.core.bpf_jit_enable = 0
net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_rfc1337 = 1
net.ipv4.tcp_timestamps = 0
net.ipv4.conf.all.rp_filter = 1
net.ipv4.conf.default.rp_filter = 1
net.ipv4.ip_forward = 0
net.ipv4.conf.all.log_martians = 1
net.ipv4.conf.default.log_martians = 1
net.ipv4.icmp_echo_ignore_broadcasts = 1
net.ipv4.icmp_echo_ignore_all = 1
net.ipv4.icmp_ignore_bogus_error_responses = 1
net.ipv4.conf.all.accept_source_route = 0
net.ipv4.conf.default.accept_source_route = 0
net.ipv4.conf.all.send_redirects = 0
net.ipv4.conf.default.send_redirects = 0
net.ipv4.conf.all.accept_redirects = 0
net.ipv4.conf.default.accept_redirects = 0
net.ipv4.conf.all.secure_redirects = 0
net.ipv4.conf.default.secure_redirects = 0I completely disabled the IPV6 by adding the prameter ipv6.disable=1.
Finally I connect to the internet by typing:
iwlist <interface name> scan | grep ESSID
ip link set <interface name> up
wpa_passphrase <ssid> “<password>” > /etc/wpa_supplicant/<filename>.conf
wpa_supplicant -B -i <interface name> -c /etc/wpa_supplicant/<file name>.conf
dhcpcd <interface name>Untill now, the internet connection is normal and working just fine with DNScrypt. After about a minute of successful connection, suddenly I get errors like the following:
error: failed retrieving file 'core.db' from archlinux.limun.org : Resolving timed out after 10520 milliseconds
error: failed to update core (download library error)
...I have no idea what's wrong with my configuration that made my connection only for couple of seconds or a minute at maximum (sometimes few minutes) I don't have clear reason what does it happened like that. I have to note that I also used netctl however, the problem is still exists.
I hope you guys can help me with this.
Thank you very much in advance.
Last edited by heyom (2014-06-03 20:39:37)
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#2 2014-05-23 04:50:48
- ewaller
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- From: Pasadena, CA
- Registered: 2009-07-13
- Posts: 20,354
Re: [SOLVED] Network Stopped After Few Seconds/Minutes of Working
can you post the output of systemctl --type=service --no-pager
?
Last edited by ewaller (2014-05-23 04:51:26)
Nothing is too wonderful to be true, if it be consistent with the laws of nature -- Michael Faraday
Sometimes it is the people no one can imagine anything of who do the things no one can imagine. -- Alan Turing
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#3 2014-05-23 19:06:16
- heyom
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- Registered: 2013-12-03
- Posts: 43
Re: [SOLVED] Network Stopped After Few Seconds/Minutes of Working
can you post the output of systemctl --type=service --no-pager
?
Here it is:
accounts-daemon.service loaded active running Accounts Service
colord.service loaded active running Manage, Install and Generate Color Profiles
dbus.service loaded active running D-Bus System Message Bus
dnscrypt-proxy.service loaded active running A tool for securing communications between a client and DNS resolver.
getty@tty1.service loaded active running Getty on tty1
kmod-static-nodes.serivce loaded active exited Create list of required static device nodes for the current kernel
polkit.service loaded active running Authorization Manager
systemd-backlight@backlight:acpi_video0.service loaded active exited Load/Save Screen Backlight Brightness of backlight:acpi_video0
systemd-backlight@backlight:intel_backlight.service loaded active exited Load/Save Screen Backlight Brightness of backlight:intel_backlight
systemd-backlight@backlight:kbd_blacklight.service loaded active exited Load/Save Screen Backlight Brightness of backlight:kbd_blacklight
systemd-fsck@dev-disk-by\x2duuid-0F80\x2d405D.service loaded active exited File System Check on /dev/disk/by-uuid/0F80-405D
systemd-fsck-root.service loaded active exited File System Check on Root Device
systemd-journald.service loaded active running Journal Service
systemd-localed.service loaded active running Locale Service
systemd-logind.service loaded active running Login Service
systemd-random-seed.service loaded active exited Load/Save Random Seed
systemd-remount-fs.service loaded active exited Remount Root Kernel File Systems
systemd-rfkill@rfkill0.service loaded active exited Loaded/Save RF Kill Switch Status of rfkill0
systemd-sysctl.service loaded active exited Apply Kernel Variables
systemd-tmpfiles-setup-dev.service loaded active exited Create Static Device Nodes in /dev
systemd-tmpfiles-setup.service loaded active exited Create Volatile Files and Directories
systemd-udev-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 Boot/Shutdown
systemd-user-sessions.service loaded active exited Permit User Sessions
systemd-vconsole-setup.service loaded active exited Setup Virtual Console
upower.service loaded active running Daemon for power managment
user@0.service loaded active running User Manager for UID 0Last edited by heyom (2014-05-23 19:11:11)
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#4 2014-05-23 19:50:05
- ewaller
- Administrator
- From: Pasadena, CA
- Registered: 2009-07-13
- Posts: 20,354
Re: [SOLVED] Network Stopped After Few Seconds/Minutes of Working
I was looking to see if there were any services running that might be fighting you. There do not appear to be any.
After the errors start, did you check to see if you were still associated with your access point?
iw <network name> link
Any messages from dhcpcd in the journal?
Nothing is too wonderful to be true, if it be consistent with the laws of nature -- Michael Faraday
Sometimes it is the people no one can imagine anything of who do the things no one can imagine. -- Alan Turing
---
How to Ask Questions the Smart Way
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#5 2014-05-23 20:30:31
- heyom
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- Registered: 2013-12-03
- Posts: 43
Re: [SOLVED] Network Stopped After Few Seconds/Minutes of Working
I'm pretty sure something is blocking the connection despite the fact that the network connection association seems fine to me at the beginning. However, NetworkManager.service has just failed to load:
iw <network interface> linkConnected to 00:1a:2b:af:83:44 (on <network interface>)
SSID: <SSID_NAME>
freq: 2437
RX: 11170436 bytes (44293 packets)
TX: 1167572 bytes (6861 packets)
signal: -60 dBm
tx bitrate: 7.2 MBit/s MCS 0 short GI
bss flags: short-slot-time
dtim period: 0
beacon int: 100journal -xn-- Logs begin at Wed 2014-05-21 15:40:54 CEST, end at Fri 2014-5-23 12:04:58 CERT. --
May 23 12:04:41 pc dbus[329]: [system] Activating via systemd: service name='org.freedesktop.NetworkManager' unit='dbus-org.freedesktop.NetworkManager.service'
May 23 12:04:41 pc dbus[329]: [system] Activating via systemd failed for unit 'dbus-org.freedesktop.NetworkManager.service': Unit dbus-org.freedesktop.NetworkManager.service failed to load: No such file or directory
May 23 12:04:41 pc dbus[329]: [system] Activating via systemd: service name='org.freedesktop.NetworkManager' unit='dbus-org.freedesktop.NetworkManager.service'
May 23 12:04:41 pc dbus[329]: [system] Activating via systemd failed for unit 'dbus-org.freedesktop.NetworkManager.service': Unit dbus-org.freedesktop.NetworkManager.service failed to load: No such file or directory
May 23 12:04:41 pc colord[583]: Device added: xrandr-Apple Computer Inc
May 23 12:04:41 pc gnome-session[501]: (gnome-settings-daemon:522): color-plugin-WARNING **: failed to create profile from EDID data: failed to create profile with chroma and gamma
May 23 12:04:41 pc gnome-session[501]: Window manager warning: Log lvel 16: fetch_connections_done: error fetching connections: (32) Unit dbus-org.freedesktop.NetworkManager.service failed to loaded: No such file or directory
May 23 12:04:58 pc firefox.desktop[644]: (process:644) GLib-CRITICAL **: g_slice_set_config: assertion 'sys_page_size == 0' failed
May 23 12:04:58 pc dbus[329]: [system] Activating via systemd: service name='org.freedesktop.NetworkManager' unit='dbus-org.freedesktop.NetworkManager.service'
May 23 12:04:58 pc dbus[329]: [system] Activating via systemd failed for unit 'dbus-org.freedesktop.NetworkManager.service': Unit dbus-org.freedesktop.NetworkManager.service failed to load: No such file or directoryOffline
#6 2014-05-23 20:35:23
- ewaller
- Administrator
- From: Pasadena, CA
- Registered: 2009-07-13
- Posts: 20,354
Re: [SOLVED] Network Stopped After Few Seconds/Minutes of Working
Reading your post now. Give me a second. As moderator, I can tell you that the first time you tried to post, you hit the 'report' link, not the 'reply' link. It happens 
Edit: Okay, when did NetworkManager get involved in this? 
I think you need to stop wpa_supplicant and down the interface before you try to start NetworkManager
Last edited by ewaller (2014-05-23 20:39:10)
Nothing is too wonderful to be true, if it be consistent with the laws of nature -- Michael Faraday
Sometimes it is the people no one can imagine anything of who do the things no one can imagine. -- Alan Turing
---
How to Ask Questions the Smart Way
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#7 2014-05-23 20:36:52
- heyom
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- Registered: 2013-12-03
- Posts: 43
Re: [SOLVED] Network Stopped After Few Seconds/Minutes of Working
Oh I'm sorry didn't noticed hehe. Take your time.
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#8 2014-05-23 21:08:44
- heyom
- Member
- Registered: 2013-12-03
- Posts: 43
Re: [SOLVED] Network Stopped After Few Seconds/Minutes of Working
I have no idea why the NetworkManager got involved by sudden...
This is strange. I did shutdown the network interface using
ip link set <network interface> downthen
upagain and the network connection works fine. But again, after a minute or so of working connection, it suddenly stopped. I checked the
journal -xnbut this time there is no error...
I still don't understand what makes my connection blocked... :(
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#9 2014-05-26 20:46:37
- heyom
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- Registered: 2013-12-03
- Posts: 43
Re: [SOLVED] Network Stopped After Few Seconds/Minutes of Working
"Edit: Okay, when did NetworkManager get involved in this? tongue I think you need to stop wpa_supplicant and down the interface before you try to start NetworkManager"
UPDATE: I have stopped & disabled dhcpcd.service and tried several times to connect to the internet in a hope of solving the problem and unfortunately it remains unclear why the internet connection stops after few sec. or min at max. I have tried to use several network adapters to connect wirelessly but the problem still exists. Wired connection is completely fine though.
I have discovered another problem here:
May 26 05:07:18 pc dhcpcd[15757]: wlp0s29u1u7: leased 192.168.1.46 for 43200 seconds
May 26 05:07:18 pc dhcpcd[15757]: wlp0s29u1u7: adding route to 192.168.1.0/24
May 26 05:07:18 pc dhcpcd[15757]: wlp0s29u1u7: adding default route via 192.168.1.1
May 26 05:07:18 pc dhcpcd[15757]: wlp0s29u1u7: removing route to 192.168.1.0/24
May 26 05:07:18 pc dhcpcd[15757]: wlp0s29u1u7: removing default route via 192.168.1.1
May 26 05:07:40 pc dhcpcd[15757]: wlp0s29u1u7: control command: dhcpcd
May 26 05:07:40 pc dhcpcd[15757]: wlp0s29u1u7: adding route to 192.168.1.0/24
May 26 05:07:40 pc dhcpcd[15757]: wlp0s29u1u7: adding default route via 192.168.1.1
May 26 05:07:40 pc dhcpcd[15757]: wlp0s29u1u7: removing route to 192.168.1.0/24
May 26 05:07:40 pc dhcpcd[15757]: wlp0s29u1u7: removing default route via 192.168.1.1Why does it remove routing?
Another problem here that I have found:
May 26 05:07:40 pc systemd[1]: Unit dhcpcd@wlp0s29u1u7.service entered failed state.
May 26 05:07:40 pc dhcpcd[15836]: wlp0s29u1u7: IAID 3b:69:fa:2a
May 26 05:07:40 pc dhcpcd[15836]: wlp0s29u1u7: rebinding lease of 192.168.1.46
May 26 05:07:53 pc dhcpcd[15836]: wlp0s29u1u7: DHCP lease expired
May 26 05:07:53 pc dhcpcd[15836]: wlp0s29u1u7:soliciting a DHCP leaseCan anyone explain the issues above to me?
Thank you in advance.
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#10 2014-06-03 20:39:19
- heyom
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- Registered: 2013-12-03
- Posts: 43
Re: [SOLVED] Network Stopped After Few Seconds/Minutes of Working
Problem is solved.
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