Search Members Help

» Welcome Guest
[ Log In :: Register ]

Mini-ITX Boards Sale, Fanless BareBones Mini-ITX, Bootable 1G DSL USBs, 533MHz Fanless PC <-- SALE $200 each!
Get The Official Damn Small Linux Book. DSL Market , Great VPS hosting provided by Tektonic
Pages: (3) </ [1] 2 3 >/

[ Track this topic :: Email this topic :: Print this topic ]

reply to topic new topic new poll
Topic: Network disconnect is freezing my systems - v4.1< Next Oldest | Next Newest >
john.martzouco Offline





Group: Members
Posts: 253
Joined: Nov. 2007
Posted: Dec. 23 2007,00:53 QUOTE

This only happens if I'm running under a WM.  I'm trying JWM today, but we've seen the issue many times with Fluxbox over the past few days.  I can perform the same action with a shell only and can recover because the system stays receptive.

Let me describe one scenario.  I'm downloading an album from <a href="www.jamendo.com" rel="nofollow"  target="_blank">Jamendo</a> and my wifi loses connection with the AP.  I'm using rtorrent in a console window.  When this happens I can't find any way to use the WM any more.  Ctrl+Alt+Bksp doesn't work - navigating to another desktop with the keyboard shortcuts doesn't work.

At this point, the Caps Lock light is flashing on my laptop and so is what seems to be the Scroll Lock light.  There's no way to recover, I have to power off the machine.

I'm already trying to figure out about the network connection drop, but this freezing situation is much more important now.

How can I track what is going wrong in the WM environment when this happens?

The details:

1) DSL v4.1, trad hd install
2) JWM
3) rtorrent downloading this.

We've had the same thing happen with Firefox running under Fluxbox.  This rules out the WMs, the apps.  We have two laptops... it happens on both.  This rules out hardware.  I bet the same thing would happen if I was running hardwired to ethernet if I disconnected the cable.

Thanks.
Back to top
Profile PM 
^thehatsrule^ Offline





Group: Members
Posts: 3275
Joined: July 2006
Posted: Dec. 23 2007,01:40 QUOTE

That problem is known as a kernel panic.  If you only get this when you're on your wifi network, my guess your problem with be with those drivers.  There could be a problem with the # of connections (i.e. torrent) that causes this, if this only happens when you're connected on that program.
Back to top
Profile PM 
john.martzouco Offline





Group: Members
Posts: 253
Joined: Nov. 2007
Posted: Dec. 23 2007,01:58 QUOTE

Thanks hats,

If the information at wikipedia is correct, a kernel panic is what we call a Screen of Death in Windows.

My system doesn't dump memory, or reboot.  This seems more like a freeze than a fatal crash.

I'm using ndiswrapper, wpa_supplicant.
Back to top
Profile PM 
curaga Offline





Group: Members
Posts: 2163
Joined: Feb. 2007
Posted: Dec. 23 2007,08:30 QUOTE

Unless it's a serious kernel panic, magic sysrq should still work.

sysrq + s           = emergency sync
sysrq + u           = emergency umount
sysrq + b           = instant reboot

By doing this, you avoid all loss of data and don't even need to fsck after the reboot.

There's also sysrq + k (kill everything but init), but it might not work.

Oh, in Linux kernel panics don't create anything flashy (or blue ;)), they usually just hang.


--------------
There's no such thing as life. Those mean little jocks invented it ;)
-
Windows is not a virus. A virus does something!
Back to top
Profile PM 
john.martzouco Offline





Group: Members
Posts: 253
Joined: Nov. 2007
Posted: Dec. 23 2007,11:57 QUOTE

Thanks curaga,

Is sysrq mapped to one, or a combination of keys in DSL v4.1?  Are the mappings the same for JWM and Fluxbox?
Back to top
Profile PM 
11 replies since Dec. 23 2007,00:53 < Next Oldest | Next Newest >

[ Track this topic :: Email this topic :: Print this topic ]

Pages: (3) </ [1] 2 3 >/
reply to topic new topic new poll
Quick Reply: Network disconnect is freezing my systems - v4.1

Do you wish to enable your signature for this post?
Do you wish to enable emoticons for this post?
Track this topic
View All Emoticons
View iB Code