Debian Freeze
Hello, My name is Christopher Holmes and I am a student at the Georgia Institute of Technology. I am working on a project where we have three computers set up in a mesh network (802.11s). One computer acts as a gateway and is wired to the Internet. The other computer acts as an access point. The gateway and access point communicate wirelessly with 5GHz PCI wireless cards. The internet is accessible via the access point over the mesh network. My problem occurs when a client connects to the access point with a 2.4 GHz wireless card. The client can access the internet through the mesh network. However, after a few minutes either the access point or the gateway freezes and the network crashes. Upon reboot the network works again. I need helping troubleshooting these crashes. I don't believe the problem is with the kernel because nor hing is written to the /var/log/dmesg. Any help would be greatly appreciated and I can supply more specific information if needed. Thank You Christopher Holmes -- Christopher Holmes Georgia Institute of Technology Electrical and Computer Engineering -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/463721909.117031.1300980136807.javamail.r...@mail8.gatech.edu
Re: Debian Freeze
Have you tried wireshark to monitor the network traffic to see if there is something consistent that leads to the crash? Mark Hello, My name is Christopher Holmes and I am a student at the Georgia Institute of Technology. I am working on a project where we have three computers set up in a mesh network (802.11s). One computer acts as a gateway and is wired to the Internet. The other computer acts as an access point. The gateway and access point communicate wirelessly with 5GHz PCI wireless cards. The internet is accessible via the access point over the mesh network. My problem occurs when a client connects to the access point with a 2.4 GHz wireless card. The client can access the internet through the mesh network. However, after a few minutes either the access point or the gateway freezes and the network crashes. Upon reboot the network works again. I need helping troubleshooting these crashes. I don't believe the problem is with the kernel because nor hing is written to the /var/log/dmesg. Any help would be greatly appreciated and I can supply more specific information if needed. Thank You Christopher Holmes -- Christopher Holmes Georgia Institute of Technology Electrical and Computer Engineering -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/463721909.117031.1300980136807.javamail.r...@mail8.gatech.edu -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/63447.165.155.200.1.1300988165.squir...@neidorff.com
Re: Debian Freeze
On 03/24/2011 04:22 PM, Holmes, Christopher S wrote: Hello, My name is Christopher Holmes and I am a student at the Georgia Institute of Technology. I am working on a project where we have three computers set up in a mesh network (802.11s). One computer acts as a gateway and is wired to the Internet. The other computer acts as an access point. The gateway and access point communicate wirelessly with 5GHz PCI wireless cards. The internet is accessible via the access point over the mesh network. My problem occurs when a client connects to the access point with a 2.4 GHz wireless card. The client can access the internet through the mesh network. However, after a few minutes either the access point or the gateway freezes and the network crashes. Upon reboot the network works again. I need helping troubleshooting these crashes. I don't believe the problem is with the kernel because nor hing is written to the /var/log/dmesg. Any help would be greatly appreciated and I can supply more specific information if needed. Thank You Christopher Holmes The problem can be kernel related , have a look on kdump-tools and crash packages . Regards , Alex -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/4d8b723d.1010...@biotec.tu-dresden.de
Re: Inkscape (and others) make debian freeze
Le mercredi 15 juin 2005 à 01:22 +0800, Emile Kroeger a écrit : (oops, accidental single-user reply ... damn gmail !) Looks like inkscape leaks memory too fast ... then your swap fills (your machine becomes slower), and when filled you get into an OOM (out of memory) situation, and your poor kernel tries hard to recover ... :( When inkscape is killed, gnome still has to come out of swap space by pieces ... What I've been doing is a) avoiding inkscape especially when there is sodipodi available ... I don't think the problem's with inkscape, since a) inkscape is a relatively stable and mature program (at least, I haven't found any other accounts of this kind of stuff on the 'net) a) ahem, is there really something like a stable and mature C++ program ? ok I'm only half-joking. With all its matureness, it could still have a few weak spots (it's a complex program after all) and leak memory. b) remember, you are using the debian package, this could differ slightly from other instances of inkscape you tried before c) I suspect a mem leak because of the symptoms you described (asphyxia of your system) b) I used to get the same problem with mozilla and firefox (hmm, but now that I remember, I think it mainly happened on pages with Java in them, I'm not quite sure) maybe you experienced faulty builds of those It probably *is* some kind of memory leak, but I don't think an Inkscape bug is the main cause :-P could be in the libs inkscape uses, off course, but since now inkscape is the only culprit ... (also, please, don't CC me, I'm reading this list) ** This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager. This footnote also confirms that this email message has been swept by MIMEsweeper for the presence of computer viruses. www.clearswift.com **
RE: Inkscape (and others) make debian freeze
-Original Message- From: Aurélien Campéas [mailto:[EMAIL PROTECTED] Sent: Wednesday, June 15, 2005 3:53 AM To: debian-user@lists.debian.org Subject: Re: Inkscape (and others) make debian freeze Le mercredi 15 juin 2005 à 01:22 +0800, Emile Kroeger a écrit : (oops, accidental single-user reply ... damn gmail !) Looks like inkscape leaks memory too fast ... then your (your machine becomes slower), and when filled you get memory) situation, and your poor kernel tries hard to When inkscape is killed, gnome still has to come out of by pieces ... What I've been doing is a) avoiding inkscape especially when there is sodipodi available ... Just my $0.02 here, Inkscape causes my machine to lockup as well. I just assumed it was somoe sort of problem my computer hardware at first but it only happens in Inkscape. Patrick.
RE: Inkscape (and others) make debian freeze
Le mercredi 15 juin 2005 à 08:08 -0500, Patrick Kirchner a écrit : -Original Message- From: Aurélien Campéas [mailto:[EMAIL PROTECTED] Sent: Wednesday, June 15, 2005 3:53 AM To: debian-user@lists.debian.org Subject: Re: Inkscape (and others) make debian freeze Le mercredi 15 juin 2005 à 01:22 +0800, Emile Kroeger a écrit : (oops, accidental single-user reply ... damn gmail !) Looks like inkscape leaks memory too fast ... then your (your machine becomes slower), and when filled you get memory) situation, and your poor kernel tries hard to When inkscape is killed, gnome still has to come out of by pieces ... What I've been doing is a) avoiding inkscape especially when there is sodipodi available ... Just my $0.02 here, Inkscape causes my machine to lockup as well. I just assumed it was somoe sort of problem my computer hardware at first but it only happens in Inkscape. What usage pattern for people that experience the lockups ? I launched inkscape just to see. It went from 77 to ~ 350 Mb ram consumption, the time to open and browse the content-rich tutorials. However I note that even when keeping and playing in a mostly empty workspace after I closed the tutorials, most of the mem was not released. This looks deeply wrong to me ... ** This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager. This footnote also confirms that this email message has been swept by MIMEsweeper for the presence of computer viruses. www.clearswift.com **
Inkscape (and others) make debian freeze
Um, I'm not sure it's the right place to ask this, but ... Inkscape regularly makes debian freeze : It slows down, then becomes nonresponsive and then, after a *long* wait (20 minutes ?), it closes inkscape, and all's abck to normal. When it's frozen, Gnome refreshes very slowly (if at all, often it's all black), and even the terminal is slow - too slow for me to log in, it times out before asking for my password. Often, all I can do is physically reboot the machine, which is ungood. What I've been doing is a) avoiding inkscape and b) when i use inkscape, have a root terminal already open. If anything shows sign of slowing down, I immediatly switch to it and killall inkscape. That works, but isn't very elegant. I used to get this problem with mozilla and firefox (now that I don't use that machine for the web anymore, I don't know if it happens) - exactly the same symptoms, so the problem isn't in inkscape. I don't think I had it with any other programs. Um, I have Debian GNU/Linux 3.1 (I get mostly testing from the repository - is that a good idea ?), gnome 2.8.3 ... I googled a bit but didn't find anything too similar (but them, I'm not sure what to google for) I would be grateful for any help or information ! This is a pain in the neck :-P Emile
Re: Inkscape (and others) make debian freeze
Le mercredi 15 juin 2005 à 00:54 +0800, Emile Kroeger a écrit : Um, I'm not sure it's the right place to ask this, but ... Inkscape regularly makes debian freeze : It slows down, then becomes nonresponsive and then, after a *long* wait (20 minutes ?), it closes inkscape, and all's abck to normal. When it's frozen, Gnome refreshes very slowly (if at all, often it's all black), and even the terminal is slow - too slow for me to log in, it times out before asking for my password. Often, all I can do is physically reboot the machine, which is ungood. Looks like inkscape leaks memory too fast ... then your swap fills (your machine becomes slower), and when filled you get into an OOM (out of memory) situation, and your poor kernel tries hard to recover ... :( When inkscape is killed, gnome still has to come out of swap space by pieces ... My guesses. Go search for rlimit, that could help. What I've been doing is a) avoiding inkscape especially when there is sodipodi available ... and b) when i use inkscape, have a root terminal already open. If anything shows sign of slowing down, I immediatly switch to it and killall inkscape. That works, but isn't very elegant. I used to get this problem with mozilla and firefox (now that I don't use that machine for the web anymore, I don't know if it happens) - exactly the same symptoms, so the problem isn't in inkscape. I don't think I had it with any other programs. Um, I have Debian GNU/Linux 3.1 (I get mostly testing from the repository - is that a good idea ?), gnome 2.8.3 ... I googled a bit but didn't find anything too similar (but them, I'm not sure what to google for) I would be grateful for any help or information ! This is a pain in the neck :-P Emile ** This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager. This footnote also confirms that this email message has been swept by MIMEsweeper for the presence of computer viruses. www.clearswift.com **
Re: Inkscape (and others) make debian freeze
(oops, accidental single-user reply ... damn gmail !) Looks like inkscape leaks memory too fast ... then your swap fills (your machine becomes slower), and when filled you get into an OOM (out of memory) situation, and your poor kernel tries hard to recover ... :( When inkscape is killed, gnome still has to come out of swap space by pieces ... What I've been doing is a) avoiding inkscape especially when there is sodipodi available ... I don't think the problem's with inkscape, since a) inkscape is a relatively stable and mature program (at least, I haven't found any other accounts of this kind of stuff on the 'net) b) I used to get the same problem with mozilla and firefox (hmm, but now that I remember, I think it mainly happened on pages with Java in them, I'm not quite sure) It probably *is* some kind of memory leak, but I don't think an Inkscape bug is the main cause :-P
