Debian Configuration :: 7.4 64bit Network Connection Is Dropping On Server
Oct 16, 2015
We are having an issue where our network connection is dropping on our server. Everything was working for about a month without issues then suddenly we experienced a network outage. Here is what I found in our logs. Rebooting the machine was the only way to have everything come up.
Oct 16 09:20:59 server2 kernel: [2612816.936085] ------------[ cut here ]------------
Oct 16 09:20:59 server2 kernel: [2612816.936101] WARNING: at /build/linux-FpPMO6/linux-3.2.54/net/sched/sch_generic.c:256 dev_watchdog+0xf2/0x151()
Oct 16 09:20:59 server2 kernel: [2612816.936106] Hardware name: ProLiant DL380p Gen8
Oct 16 09:20:59 server2 kernel: [2612816.936110] NETDEV WATCHDOG: eth0 (tg3): transmit queue 0 timed out
[Code] ....
We have the same exact server, running the same exact debian version for over a year with no issues.
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Dec 1, 2015
I'm trying to use these cookie cutter rules that I found. But every time I use them, after a few seconds my wifi connection goes dead. The exception was the first time I used then. Which lasted me a couple of minutes.
By dead I mean I can no longer open a webpage or ping google.
iptables -N LOGGING
iptables -A INPUT -j LOGGING
iptables -A OUTPUT -j LOGGING
iptables -A LOGGING -m limit --limit 2/min -j LOG --log-prefix "IPTables-Dropped: " --log-level 4
iptables -A LOGGING -j DROP
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Apr 15, 2011
1 linksys router: gets the net from PPPOE and give the network DHCP. The router IP is 192.168.1.1. 1 windows laptop that work wireless and wired. 1 debian desktop that work wired and not working wireless. THe problem with the debian desktop is like this: I have a TP-Link TL-WN321G installed and found by lsusb command. I make a wireless connection WPA Personal (just like the router settings) it says i am connected to the wl network but no internet connection. the route command give me this:
[code]....
I tryed with wicd who said that the connection is WEP (and it's not, it is setup to WPA on the router and the network-manager conncetion) and when i try to connect i get bad password. I tryed with network-manager uninstalled and no chance.
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Jul 11, 2011
I have an Ubuntu box, 11.04 x64, running on a Dual Opteron SFF box (iWill ZMaxDP... pretty old machine). Up until a few weeks ago, it was acting as a Windows 2008 Server, but i moved it to Ubuntu.
Anyway, the machine will not stay on the network for any amount of time, without falling off... I have changed network cards, cables, ports on the switch, etc, and nothing seems to work. I have a Windows 2003 box giving out DHCP addresses, and for a while, i actually tured that off and setup a second Ubuntu box to give IPs... it made no difference. The box gets an IP, and can ping outside for a bit (2 min or so) and then just looses connectivity... ifconfig shows it with an IP (i have tried both Static and DHCP config) and nothing seems to work...
[Code]...
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Feb 20, 2010
I have a windows installation (partition) but have installed into freespace on the same drive using the auto-partition manager, etc, and everything is fine. I got my network going fairly easily by going Preferences > Wireless and inputting SSID and WPA encryption key (PSK). My router issues an WLAN IP, I can get on the net, I can see my other Windows PCs on the network, I can reach my router, and all is good.So after several hours of mooching about and looking at things, I have updated all the Linux packages via Synaptics (following a prompt to update everything) including GRUB. My dual boot now shows two versions of the OS:
GRUB 1.7~Beta4
Ubuntu, Linux 2.6.31-19 - generic (I am booting this one)
Ubuntu, Linux 2.6.31-14 - generic
I also set up my HP F4580 printer over wifi on the network though with slightly incorrect drivers (for the F4400 series as this was recommended at the closest match). It works, and I can print a test page no problem.The only thing is that now (since doing all that) Ubuntu seems to periodically drop my connection to the network and then request the network PSK again, but when I enter it, it spends time trying to renegotiate but fails, and then re-requests the PSK, over and over and it never reconnects. I have to reboot and then I can connect again (automatically), until it drops at some random point (like 5 or 10 mins later)
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Sep 11, 2010
I set up the web/backup server for our department and I'm having some major issues. Firstly, the server seems to be dropping the network connection periodically. I checked all of the logs and it appeared to be an IP6 issue as the only message that seemed to correlate with it was "eth0: no IPv6 routers present" in syslog. I added "ipv6.disable=1" to my boot options in menu.lst and this seemed to take care of the problem. However, I woke up this morning and the server was back down.
This didn't seem to take care of the problem. It seems to occur when my automatic backup scripts go through. I have several BASH backup scripts that use rysnc over SSH to backup several computers to the server and the server to my desktop at home. I was able to trigger the problem a couple of times running the backup script this morning. Now, I'm getting the following error when running the script, instead of losing the network connection:
Code:
Sep 11 10:22:40 chemistry kernel: [ 396.892699] BUG: unable to handle kernel NULL pointer dereference at 0000000000000118
Sep 11 10:22:40 chemistry kernel: [ 396.892715] IP: [<ffffffff811426c0>] __dentry_open+0x240/0x370
Sep 11 10:22:40 chemistry kernel: [ 396.892728] PGD 1113d5067 PUD 11458c067 PMD 0
Sep 11 10:22:40 chemistry kernel: [ 396.892737] Oops: 0000 [#1] SMP
Sep 11 10:22:40 chemistry kernel: [ 396.892743] last sysfs file: /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor
Sep 11 10:22:40 chemistry kernel: [ 396.892750] CPU 1 .....
I tried booting with a previous kernel to see if that was the problem and I'm still getting this error. I've searched through all of the logs that I could think of to try to track down any software based problems and I just don't see anything. In the past, whenever I've run into such serious with a Linux box that popped up out of nowhere, it's always been a hardware failure. I've currently disabled all of the backup scripts and I'm going to see if it lasts through the weekend.
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Nov 1, 2010
I recently upgraded a 11.0 installation running on Xen Server to 11.3. I am experiencing frequent network disconnections now. The ip address and default gateway is assigned statically. However, the system seems to ignore the default gateway after a while. Then after several minutes it seems like it comes back.
Code:
root@poe5e:~/ > route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
192.168.111.0 * 255.255.255.0 U 0 0 0 eth1
172.16.107.0 * 255.255.255.0 U 0 0 0 eth0
link-local * 255.255.0.0 U 0 0 0 eth0
loopback * 255.0.0.0 U 0 0 0 lo
default 172.16.107.254 0.0.0.0 UG 0 0 0 eth0
root@poe5e:~/ > ping 172.16.107.254
PING 172.16.107.254 (172.16.107.254) 56(84) bytes of data.
64 bytes from 172.16.107.254: icmp_seq=1 ttl=255 time=0.515 ms
64 bytes from 172.16.107.254: icmp_seq=2 ttl=255 time=0.484 ms
64 bytes from 172.16.107.254: icmp_seq=3 ttl=255 time=0.496 ms
64 bytes from 172.16.107.254: icmp_seq=4 ttl=255 time=0.473 ms
^C
--- 172.16.107.254 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 2997ms
rtt min/avg/max/mdev = 0.473/0.492/0.515/0.015 ms
root@poe5e:~/ > traceroute orl3akm1n
traceroute to orl3akm1n (10.111.19.19), 30 hops max, 40 byte packets using UDP
1 172.16.107.250 (172.16.107.250) 0.405 ms 0.398 ms 0.357 ms
2 * * *
When my sessions suddenly die and I have to coax it into routing correctly again.
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Apr 30, 2010
using Hardy Heron on a old Thinkpad T41.This is a fresh install system and I noticed it kept dropping wireless connection. After google around, seems like this is a common problem? Then I switched to wired network, and turned out the same thing happens again. Looks like doesn't matter wired or wireless, it kept dropping itself from time to time.
fter checking syslog, I found something interesting...it kept complain eth0 is invalid, then it said it found a better connection?I found that extremely weird..
Code:
Apr 30 06:24:32 support kernel: [ 961.236895] e1000: eth0: e1000_clean_tx_irq: Detected Tx Unit Hang
[code]...
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Mar 9, 2010
I have configured a RaLink wireless card to connecto to an 802.1x network. I connect by selecting the network, and the i give the credentials(username/password). How do i configure Debian to automatically connect to this network when a session begins?
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Jul 5, 2011
How to enable wifi? I downloaded and installed Debian 6.00 and as I couldn't get online with my Tenda USB Wireless Adapter. I downloaded Debian 6.00 again, this time the CD Net Install version with Firmware included. However, the added firmware version of Debian does not find my wireless either. My wireless adopter is shown as Bus 001 Device 003: ID 148f:3072 Ralink Technology, Corp. RT3072 Wireless Adapter. There is a Network Icon in the Panel which when clicked shows "Create New Wireless Network". I have put in my ISP related network and my password and rebooted, but all I get is the message on my desktop:
"The Network Connection has been disconnected."
That isn't very polite, is it? Who has disconnected it and why remains a mystery to everyone except the culprit(s). I think I must have missed a basic step in the Wifi Enabling process. I checked the Use Permissions and everything is fine there, as User I have permissions to use modems and do networking and so forth. Also I should like to try "modprobe" but I see the package isn't in Synaptic Package Manager.
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Mar 12, 2011
Using Wicd and it keeps dropping out or telling me "bad password" when the password is in fact correct. I even know it works because the first couple of times it worked, but the connection wasn't sustained for more than a few seconds each time. My reasoning is my wireless is functional in Ubuntu, there's no reason it shouldn't be in Debian. Wireless network card is ASUS PCE-N13. Ralink driver is installed. WPA-supplicant is installed. Gnome Network Manager is also present, though I've heard that it doesn't support my particular situation.
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Oct 9, 2015
I have Debian 8.2 with KDE 4.14 and everything runs perfect, except for the internet connection. This problem happens randomly when I turn on my machine. Sometimes when the desktop loads, the connection is already settled.
But sometimes when the desktop loads, the wifi icon is still loading and keeps stuck at "setting network address". Since this problem happens randomly I really don't know what is happening here. My wifi chip is this:
Code: Select all01:00.0 Network controller: Intel Corporation Centrino Wireless-N 130 (rev 34)
This is the problem:
I installed Debian with non-free firmware because of this chip.
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Mar 3, 2011
I was playing with my debian server when something went totally wrong while i was editing something on my network interface,i removed those crap that i wrote and left the network interface configuration as it was
Like for example after re-editing my network interface,it was like :
As i did a network restart, i get this error saying :
There is already a pid file /var/run/dhclient.eth0.pid with pid 2802 killed old client process, removed PID file.
What is this error and how can i fix it,because every time im re booting my server i lost my network config.
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Sep 4, 2011
setting up an SFTP server on debian, all the way down through step 3, though I did not "Match Group" I did Match User as I only need 1 user to have access to the SFTP server(did not continue on to step 4 and beyond as they did not apply to me) Im getting the error:
connection closed by server with exitcode 141
I get this when trying to log in via filezilla. I actually only got the 141 error on the first attempt, any attempts after that just says "could not connect to server". Username and password authentication goes through, so it is not a login info issue.Im running Debian squeeze, and that guide was for Lenny, that shouldnt matter, I dont think.
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May 14, 2010
I am trying to Setup citrix ICA client 9 on Ubuntu 9.04 Server. I installed it very easily and I am not getting any lib error also. But when I try to connect to the citrix server, it fails with a pop up saying "Error in Network Connection Network or Dialup connection may be preventing ......" This is driving me crazy from 3 days. My project is to check the feasiblity of a Linux desktop
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Apr 20, 2010
i am searching for way to connect to my home network from any point only just if i have internet. i've heard about VPN and i think that this is right solution for my problem. can anyone point me to doc for beginners for setting up a VPN server? ps i've already searched for some articles and found two which were really for newbie, but it is interesting to find "best" how to for configuring vpn server.
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Sep 29, 2010
I need to set up a Debian server in a windows network so that users can securely ftp docs to the Debian server and then pull docs from the server when needed - using a secure ftp session. I have the Debian Server built and IP'd. Do I just need to set up the vsftpd.conf and thats it? Right now I am just concerned with getting ftp working.
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Nov 26, 2010
I am putting together a server and computer lab at my school for Standardized testing, and am planning on using debian for it. But first, i must prove to the school board that this is a possible and viable option, so right now it is one pc with 1 gig ram (Going to be the server for this experiment), and two others with around 512 mb ram.the problem with all this is, the computers in the lab cannot have hard drives, as there is some sort of licencing issue. So I need to be able to have these two testing computers boot from the server's hard drive.
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May 15, 2011
I have been having this problem for about two weeks now where Debian's network and internet connection randomly fails. It works perfectly fine and hosts all the services I need for a while, and then without warning all network connectivity fails. I can't ping any other network device. Regardless of how much I try to fix it, the only thing that works is restarting the computer. First, the server went 7 days without a problem; then 5 days; now it lasted 2 days. Judging from my Teamspeak server logs, it crashed today at 12:31. I grep'd through my log files and found this information:
[Code]...
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Mar 4, 2011
I'm trying to set up a bind9 server for my home network, I have all my IPs set to 10.0.0.X. I would like the forward and reverse to be simply "machinename", not "machinename.domain.com", as I don't want to type a domain everytime.
In my named.conf
zone "net.local" in {
type master;
file "/etc/bind/net.local.ns";
allow-update { none; };
[Code]...
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May 30, 2010
I'm trying to setup a NFS4 server (no security, local home network behind FW). It seems that I'm missing something because 'rpcinfo -p' does not list v4 for NFS: petit-pois:/home/eric# rpcinfo -p
[Code]...
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Sep 22, 2015
The situation: The office has a WiFi network on one DSL line, which is used for our VoIP call center, and a wired network for our internal network and the majority of web surfing/traffic . Part of the office must be temperature controlled/monitored - we have a rather nice digital thermometer which is WiFi enabled.I have a Debian Wheezy box with a WiFi card and ethernet connection
What I'm trying to accomplish:Connect wifi enabled thermometer to WiFi network so it can automatically send temp updates (currently I have to do it manually via USB)Have the Wheezy box accept the downloaded file then send it to a back up server in the wired network
Side things that may be useful : Prefer to use wired connection for internet and apt and suchWiFi connection will really just be used for connecting to the thermometer
This [URL] .... topic got me thinking that there might be a way to bring the two networks together, but I don't know if that will wreak havoc on things. I know, the Windows and Mac OS don't like having ethernet and wifi at the same time, might Linux be better for this?
v&n had this to offer in the prior thread [URL] .... which I'll be doing more research on.
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Jan 24, 2011
Just installed kubuntu 10.10 on a dual boot with winxp on my asus r101 netbook.
wireless connects perfectly, but after roughly 30 seconds, i cant access any address or ping an url or ip. however network manager says im still connected. so i click on network manager, and click on the wireless connection, it then reconnects in a couple of seconds, and all is good again. i carry on browsing, and 30 seconds later the same happens again!!!
my wireless signal is fairly week, however connection works everytime and in xp this is not an issue.
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Jul 23, 2010
I guess this should come under the title "why can't they leave well enough alone?" Today I had occasion to configure a couple of machines with static IP addresses for some testing. My 8.04 machine - no problem. Invoke network-admin, unlock (with sudo credentials), set the desired IP, netmask and gateway. It is good to go. On the 10.04 box I did the following:
Right clicked on the network icon in the notification area (nm-connection-editor) - I see Auto eth0 (last used, never). So what have I been using for connectivity since I installed 10.04???
I then select Auto eth0 and press [Edit]. Under the IPv4 Settings tab I change "Method" Manual and enter my settings. However, I cannot Apply the changes - the [Apply] button is grayed out. So I try the same thing via the menu System; Preferences; Network Connections - same problem the [Apply] button is grayed out. So then I create a desktop icon to "gksu nm-connection-editor". Now I can Apply my changes and perform my testing. Then it is time to set things back to DHCP. Should be simple.
I invoke "gksu nm-connection-editor" from my icon. Change Auto eth0 back to Method: Automatic (DHCP). Apply and the network icon appears to restart. But I have no Internet connectivity.
I can reach my router. I can reach my DSL modem. The connection to the Internet is still working on other PCs. In frustration I reboot the 10.04 box. I still cannot access the Internet. And the Auto eth0 interface shows never used.
I change Method: to Automatic (DHCP) Addresses only and enter my DNS servers for Opendns.org. Reboot and I am now able to connect to the Internet. Remove the DNS addresses and no connection. I did NOT have these specified in the network connection setup before changing to/from a static IP address.
While doing all this it seems that a new network connection "Wired network1" was created although it shows never used. I delete it, no change. I delete Auto eth0 and reboot. Now another new network connection "Auto Ethernet" appears and I can connect to the Internet without having the specify the DNS addresses in the network connections configuration. Interestingly this connection shows Last Used - now! Also after removing Auto eth0 and trying to Apply changes I am prompted for my password when I click the [Apply] button (starting the applet from the notifier icon, not my gksu launcher).
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Mar 23, 2011
I have 64bit debian 6 squeeze installed on my 64bit pc. I have an NVIDIA gpu which I have installed the drivers for and they work just fine. I also have a 32 bit chroot located at /32 which was created using debootstrap. The NVIDIA 64bit driver gives the option to install compatability driver libraries into the 32bit chroot. Whenever I run any application that uses opengl rendering within the chroot, they segfault. When I uninstalled and reinstalled the NVIDIA driver without installing the libraries to the chroot, and instead replaced them with mesa gl libraries, the programs complain about framebuffer missing. They do not segfault, and some programs that can use sdl instead will work fine. I have xhost + set to allow any programs in the chroot to use the host's xorg. I have the host's proc mounted to the chroot proc directory, and i also have dev mount --bind 'ed to the chroot.
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Feb 2, 2010
I can make a connection to the vpn server, the connection starts, but nothing happens! My IP address remains the same as previous! There is nothing added to my Knetworkmanager, I'm a beginner I should use a pcf file for my vpn connection. I use it properly, I'm sure because the connection starts and an icon is added to my panel and remains until I disconnect.
I checked it via ifconfig -a, the last part (which is for vpn) is:
Code:
tun0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
inet addr:141.213.169.76 P-t-P:141.213.169.76 Mask:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1390 Metric:1
RX packets:4 errors:0 dropped:0 overruns:0 frame:0
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Feb 8, 2011
I'm using an Acer Aspire 3000 since Opensuse 9.3. Wireless connection was fine with ndiswrapper. I upgraded to 10.0 and wireless was perfect with the broadcom firmware. Now I just installed openSUSE 11.3 and my wireless connection became a nightmare: connection drops multiple times in a day and network manager remains stuck in "Interface Configuration". Sometimes I'm asked for the wpa password but Network Manager is unable to reconnect until I disable and re-enable my wlan card using the killswitch. The access point is the same zyxel b+g I own since 5 years! I just bought a new eeepc and I installed on it openSUSE 11.3 too. The network connection behaves the same!! The Network Manager says "Interface configuration" and I must switch the wireless off and on to have the network back. I made a radio scan and I'm using a channel on my own. I also tried to disable dhcp without success.
ACER
# uname -a
2.6.34.7-0.7-desktop #1 SMP PREEMPT 2010-12-13 11:13:53 +0100 i686 athlon i386 GNU/Linux
# lspci -vvvnn
00:0b.0 Network controller [0280]: Broadcom Corporation BCM4318 [AirForce One 54g] 802.11g Wireless LAN Controller [14e4:4318] (rev 02)
Subsystem: AMBIT Microsystem Corp. TravelMate 2410 [1468:0312]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 64
Interrupt: pin A routed to IRQ 17
Region 0: Memory at e2000000 (32-bit, non-prefetchable) [size=8K]
Kernel driver in use: b43-pci-bridge .....
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May 7, 2010
I was having trouble with my wireless connection, it was dropping every 5 minutes or so after upgrading to 10.04 and ran across a thread where someone recommended entering
Code:
sudo apt-get install linux-backports-modules-wireless-lucid-generic
After entering the command I have lost all ability to even use my wireless ability even if it was for 5 minutes. Now I am using a different kernel, internet still drops every 5 minutes, but would love to get my internet up and running again.
I am using a Dell Studio XPS Laptop
Code:
*-network
description: Ethernet interface
product: MCP79 Ethernet
[Code]....
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May 10, 2010
Lately I have been using my window's partition due to the fact that 10.04 drops my wireless signal every 5-10 minutes, but today I downloaded the new updates and that seems to have fix the issue with the dropping of the wireless connection. Now the only problem is the internet is so slow when trying to go to webpages it times out. I have opened up firefox gone to about:config and changed the necessary lines, but still dreadfully slow.
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Nov 4, 2010
My wireless connection keeps dropping is very unstable, signal strength goes up and down here is the info i got from the terminal
*-network:0
description: Ethernet interface
product: 82801DB PRO/100 VE (MOB) Ethernet Controller
vendor: Intel Corporation
[Code]....
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