Networking :: Report Bug Related To Networking?
Jul 26, 2010
There is a major problem - networking does not work at all for me in this setup with the new kernel.I use Debian distro on this notebook.I don't have previous experience with submitting a kernel bug and would like to learn how to do it to be able to help the community. There is a tool called reportbug in debian, but it is too much automated, I think - it automatically fills in the kernel version I booted to right now, but I need to report bug to different kernel version, in which networking does not work
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Mar 31, 2010
After deleting part of the gnome config directories in order to reset gnome (GUI was messed up - No title bars, etc). I lost my bluetooth tethering to my Nokia N900. I cannot redo it as it always fails. Linking from phone to Laptop works, but cannot use it to link up to the internet then. Cable to the phone always worked up till now. Now I cannot get a connection as it stopped working after my upgrade to 11.04.
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Apr 16, 2011
I've seen packets coming to my computer through a DD-WRTv24s2 gateway above port 32K several times. I have iptables (using fwbuilder locally) both places. My desktop stops the packets. But I'm guessing the problem is as I described in the title for this post. Yes?If you ESTABLISH a connection to some webpage, and you just accept ESTABLISHED or RELATED datagrams in rule 1 of your iptables, what will keep incoming TCP from that (presumably nefarious) site from going straight to your desktop like the building firewall isn't there?? If the site wants to connect to you above 32k, or portscan you, its RELATED correct? They know your IP. You've ESTABLISHED a connection.If my guess is correct, it would seem wiser to NEVER use these together. Better to ACCEPT all ESTABLISHED. And if something is RELATED, then ACCEPT it only if its the data connection on FTP or individually by service or protocol.
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Nov 22, 2010
Trying to debug a network issue - we have problems with scp transfers to a remote host intermittently stalling. I believe it may have something to do with incorrect handling of sack / dsack TCP options. Looking at netstat -s, during a (successful) scp transfer the TCPSACKDiscard and TCPDSACKIgnoredNoUndo counters increase rapidly. This is on the client initiating the transfer to the remote server. This doesn't seem normal, but I'm having difficulty finding an explanation of what exactly these counters signify. The tcp_sack / tcp_dsack / tcp_fack options are enabled in the kernel on both hosts.
How do I debug this further? Are the counters a symptom of a known problem? It's kind of hard to google this, all I get is unrelated netstat output which happens to include 1 or 2 discarded SACKs, not tens of thousands like I am seeing. I can make tcpdumps on the client (unfortunately not the server), but what should I look for?
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Feb 6, 2011
I'm looking for some utility that will measure my network bandwidth use and report it in ways that are human readable. Specifically, I want something that I can use to stay ahead of my mobile broadband plan's usage metering.
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Mar 27, 2010
I want to view live utilization of Internet usage like the wetool in smoothwall. This admin can view www and any other protocol Internet usage by end user
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Mar 29, 2010
Brand new network, just installed, all ubuntu 9.10 boxes connected to a Dell 2206 dumb gigabit switch, and from there to Dlink router to cable modem. Pretty simple. ISP confirms great link out and inbound,
However, http requests can sit for 20-30 seconds (sometimes longer), before content returns, same for pings.
Some thought it might be MTU-related. What is best MTU setting 1500/1492/ ?
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Feb 18, 2009
I've only used Linux for about a year or two now and have worked through suspend esume and WPA wireless issues with CentOS and my T61p. However, I'm stumped on this one. why my T61p freezes randomly (happened once while writing this topic) with the caps lock light blinking. I'm wondering if it has something to do with my nVidia driversettings andor using my wireless card and/or switching between home wwireless and work wwired connection.
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Oct 21, 2010
I got this definition:"a process that replaces a series of related, specific routes in a route table with a more generic route." honestly I found it not so clear.. I want to know if this definition is correct and also more details about this subject..
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Jan 3, 2010
I am running a Debian server, with 2.6.30 kernel and everything standard.I have two ethernet cards (eth1 is the external, eth0 the internal) and I use the server as backup server, firewall, https for email reading with squirrelmail, Samba server, email server and that's it.If I understood correctly IPTABLES, the following OUTPUT rules should allow my server to establish communications with an http server (for dselect), an imaps server (for fetchmail) and an ssh server.However, it does not work, it only works when I allow all OUTPUT (adding "NEW" to "ESTABLISHED,RELATED")).Could anyone let me know what is wrong and how I can fix it (not opening my OUTPUT to any communication)?My IPTABLES script is pretty long, so I only copy/paste the OUTPUT lines unless anyone requests the rest.uote:
INTIF="eth0"
ssh="22"
dhcp_s="67"
[code]....
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Sep 4, 2011
I am trying to compile splasutis in my debian wheezy. ./configure run well, but during make I get the following error
make --silent all-recursive
Making all in libs
CONF libjpeg.a
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Aug 30, 2010
I'm trying to sed out X and Y coordinates from a identify command. I get back from the identify:
Quote:
1015x638+0+0
I need:
Quote:
1015x638
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Jul 9, 2011
Having some trouble with a new install of Ubuntu 11.04. I use it for work, so I do tend to run quite a few programs at a time. Namely Pidgin, Firefox, Thunderbird, Chrome, Osmo, LibreOffice Calc, Calculator and Text Editor. Sometimes I'll listen to music using VLC. Sometimes (and I can't figure out when), I will be suddenly logged out without warning. Just BAM, black screen then back to the login screen. I've lost work from this happening.
My only clue is that it hasn't happened when I was not running VLC, but then again it doesn't happen consistently while running VLC. Also, it happened today when I wasn't running VLC but was using Calibre (along with my usual programs). Maybe I'm doing too much at one time? Maybe it's the RAM? How do I view an error log about what happened?
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May 7, 2010
I want some users should be barred from login into some of NIS clients. Please help me to accomplish this. I googled it but still not very clear to me. Can you please tell me how it works. The OS is RHEL 5.
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Apr 20, 2010
I am using KMS with a radeon 3650, KMS with kernel 2.6.33.2, xf86-video-ati 6.13.0 and mesa 7.7I am using fluxbox, and only have one transparent terminal running. I have not been playing any games(so no 3d acceleration?).My computer is getting far too hot from this. Not overheating to the point it shuts down, but the fan is going full bore, and mplayer stutters when playing a movie.This never happened when I was not using KMS, so it seems likely that that is the cause. It is definitely related to graphics, because when I exit X the temperature cools rapidly.Is this just because KMS is new and still being worked out, or is it something that can possibly be fixed?
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Jan 31, 2011
I am attempting to setup and old BBSinside of DosBOXI've built one of the DosBOX Megabuilds, with the NE2000 patch.It uses libpcap in order to piggy back on top of the system's NIC. All of the dosbox side appears to be working.My system comes up, gets the MAC address i told it to use, i can load a packet driver in dosbox, all of that seems well and good. The issue, i think, is on the linux side. It's built on a Fedora 14 box. I'm getting the feeling that networking isnt getting out of the dosbox instance. Does it seem possible that fedora needs to have some config in place to link networking over to dosbox?
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May 2, 2010
how, and if, I enable 3Dnow, and other CPU related features?
I'm not having any problems or anything to that effect. I am only curious. Is this something that's automatically done? Is this something I must do during compile and install of applications?
haunted@haunted-desktop:~$ sudo grep flags /proc/cpuinfo
flags: fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov pat pse36 mmx fxsr syscall mmxext 3dnowext 3dnow
If this is something I must enable manually per application, then for example, if I wanted it enabled for FlightGear, how would I go about doing that?
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Jan 26, 2011
I just blindly install 'java' in GNU/Linux Debian SID -- so I could use it as a plugin for iceweasel -- Unfortunately, things didn't work as expected. I was used to Debian's APT to take care of things for me as it had done for more years than I could remember. (Being a desktop user/programmer and a beginner system network admin). I want a clean install of java plugin for iceweasel. So I want to remove completely all java related packages --
How do I know which is which and if they are safe to remove without affecting any other part of the system? Now, to install -- what do I need to install in order for iceweasel to have the Java plugin and let java work as it should? I prefer from the Debian package. But if it doesn't work, I'll accept JRE from the java site and install them myself.
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Dec 11, 2010
In the processing of reinstalling VirtualBox, I found this：2.6.35.6-48.fc14.i686.PAE/source -> /usr/src/kernels/2.6.35.6-48.fc14.i686.PAE/ ，but this folder don't exist.。 I try to relink the ln as source -> /usr/src/kernels/2.6.35.9-64.fc14.i686.PAE , but VirtualBox still get problem with the kernel. Since VirB works fine with other 2 kernels, the solution for this is not quite needed, but I just wonder why this happens. See below. I don't know why these two folder contain different version of kernels. Anybody get an idea?
2.6.35.6-48.fc14.i686.PAE]$ ll /usr/src/kernels/; ll /lib/modules/; ll /lib/modules/2.6.35.6-48.fc14.i686.PAE/ |grep build
total 16
drwxr-xr-x. 22 root root 4096 Nov 19 14:58 2.6.35.6-45.fc14.i686
drwxr-xr-x. 22 root root 4096 Nov 15 00:04 2.6.35.6-48.fc14.i686
drwxr-xr-x. 22 root root 4096 Dec 8 17:08 2.6.35.9-64.fc14.i686
drwxr-xr-x. 22 root root 4096 Dec 8 15:19 2.6.35.9-64.fc14.i686.PAE
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Jul 28, 2010
11.3 installation appears to be completely unusable for mission critical workit's running/freezing on a Toshiba a300 laptop, intel 965gm gfx, using the drivers that where installed by 11.3whenever the unstoppable screen/monitor saver kicks in, it freezes the machine irrecoverably.same as: 11.3 kde constant lock upsthe unstoppable screen/monitor saver has been a pain in the neck in 11.2 too, is it possible to COMPLETELY REMOVE any code that will make the gfx go on standby? what a pain when you are watching a movie! disabling everything obvious never worked! wtf?
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Jan 31, 2010
I know 10.3 is old, but my main reason for using Linux is that I can build a machine and then just use it for 3-5 years without dealing with stupid degradation issues like Winblows.
The problem is that I can't access any 10.3 online respositories anymore, so package management is a big mess. Basically I'm down to manual rpm-ing. If I try to install anything with Yast, it attempts to access 10 different repositories for dependencies, all of which fail because I guess they just don't have 10.3 directories anymore.
I really hate updating my Linux all the time to the newest version, because frankly that usually breaks things.
Not sure what do to. This conundrum often makes me consider if any distributions are better in this regard. But then I don't have a lot of time to play with Linux. What started out as a hobby in 1994 is now a tool, like any OS, that I just want to work. I don't use Linux to use Linux, I use it to run programs.
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Feb 16, 2010
I am trying to add subdomains on ubuntu 9.10 desktop edition and and I am not sure whether I need to add some info.(such as 127.0.0.1 sub1.example.com and so on) to the /etc/hosts file like the windows' windows/system32/drivers/etc/hosts file. I used to use the wamp-server(on Windows 7), I needed to edit 3 files, httpd.conf, httpd-vhosts.conf and hosts. And almost every edit is made in the httpd-vhosts.conf file on wamp-serveriles should be edited? or what else should be done that I didn't mention?
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Sep 17, 2010
I installed Mono 2.4 and I am struggling myself to remove all folders related to mono.. I didn't install from Synaptic so it's not just 'apt-get autoremove mono', I used the tarball.. how to remove all files from the installation?
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Jan 29, 2011
I've had my share of troubles with Ubuntu before and always been able to find help just by reading the forums, but this time it doesn't seem to be happening. Basically, I think I did something stupid by trying to change the permissions on my home folder to 777. (I'm the only person who uses my computer and got sick of always having to get root permissions.) Halfway through the process, the computer slowed to a crawl and text in dialog boxes started getting replaced with empty squares.
Naturally I rebooted - or tried to. Regular boot didn't work, so I tried recovery mode, which was kind enough to tell me I had a kernel panic because sbin/init wasn't found. Here's where things got weird: I then tried to boot from my Ubuntu USB stick, and couldn't. I got to the USB menu, hit the "run" option, and after a few seconds of the Ubuntu boot screen, my monitor went blank. Actually, to be technical, it didn't just show a black screen - the screen shut off. That's as far as I've been able to get.
By the way, just before I tried what I'm now calling the chmod-of-death, I also had an update freeze in the middle. I am able to boot into Windows, and have checked my USB stick - all seems fine. Any thoughts on this? Worst case, I can reformat the partition and reinstall, but I'd rather not lose all that data.
UPDATE: Okay, so I *did* manage, after about ten more tries, to boot from the USB stick. I went in from there and changed all the permissions back to 755. Tried to boot in recovery again, and still getting the same sbin/init error - so I'm wondering now if it had more to do with the failed update than the permission change....
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Aug 13, 2011
Somehow I lost the clock in the panel; maybe I uninstalled some packages related to the clock.
Anyone know which package I should install?
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Dec 16, 2010
I installed FC14. But when i create a VPN connection using NetworkManager, 10 seconds after VPN connection was established, vpn connection has been disconnected.In FC13, I didn't have this problem. In FC14, i use same settings used in FC13.
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Jun 21, 2010
After building a new system I have been getting kernel panics randomly. I have been able to look at /var/log/messages and determine that either my RAID card, XFS, or something along those lines is causing the problem. It has now gotten bad enough that any heavy use of the RAID will cause it to panic and die.
There is one large file on this that I need which is not on my backups but when I try to get it off, the transfer will cause a kernel panic within minutes. What is causing the panic? Is there any way to resolve it? The RAID card is an LSI SAS3081E-R and I am using the built in drivers/modules within Ubuntu 10.04 x64 (pretty sure the kernel itself has the driver included). There is source available for the driver from LSI's site but I'm not sure if that will solve the problem and in addition to that, I can't figure out how to compile and install it. It has a Makefile already but make just complains "no targets".
Code:
Jun 21 13:00:22 cyan kernel: [ 706.206498] ffff88019652daf8 ffff88018ff61698 ffff8801935ddd50 ffffea00038f6650
Jun 21 13:00:22 cyan kernel: [ 706.206472] Process xfsdatad/2 (pid: 862, threadinfo ffff8801935dc000, task ffff88019652dac0)
[Code]...
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Mar 14, 2011
I have a box that has been running fine for a few years primarily as apache/tomcat/mysql server.Just recently, it has started spitting out a bunch of messages and shutting down.The computer is running FC11, x86x64.If anyone can glean anything from the messagesIf you need any more info, let me know. I can get someone to start it up, and get as much as I can before it crashes.From looking at the messages, it seems like it could be something going on with the swap, but I'm not sure.The messages are below.(The box is on the other side of the country from me, so I don't have a ton of info, and it's hard for me to get someone to physically restart it for me...so it's kind of a pain.)(You'll see a lot of errors related to SSHD. I don't know if that's because SSHD is the culprit, or if it's because I was connected using SSH. For some reason I'm leaning towards it being something other than SSHD.)
Code:
setroubleshootd[2852]: segfault at 33cb1fe909 ip 00000033caf06e8d sp 00007fffe4bf4ec0 error 4 in libpython2.6.so.1.0[33cae00000+165000]
[code]....
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Apr 2, 2011
MacBook Pro 5.2 running OSX 10.5 Snow Leopard Disk /dev/sda - 500 GB / 465 GiB - ATA FUJITSU MJA2500B. I formatted my existing partitions with boot camp in OSX to delegate 32 Gig to a space where I intended to install Ubuntu 10.1 along side OSX. I installed Ubuntu 10.1 and now my dual boot option has vanished and the following is what I'm getting from test disk:
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I can recover my old partition configuration and not loose any data, as the lines are blurring on the related forums for this exact situation and my desire is to not make things worse with "trial and error".
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Jun 8, 2011
My VPS host a mail, blog and web site. So i want to block port i not use. The port that i use is 80,21,2022,443. The other port will be drop. I want to block bad packet and all packet that not related. Can anyone how to write in iptables?
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