Random reboots and wireless issues

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thormolecules
Posts: 14
Joined: Mon Dec 24, 2012 1:51 pm

Random reboots and wireless issues

Post by thormolecules »

I've been running 1.5.9 for a few weeks now on my Buffalo G300NH. Almost immediately I noticed that sometimes the wireless just cuts off. The indicator light on the router turns off, the network stops broadcasting, and everything just...drops.

I figured I could live with this so I would solve this problem by connecting via ssh and running 'wifi up'. Not a big deal.

However, more recently the router has just been randomly rebooting. There is no specific event that causes it (that I can think of). It just happens when it happens.

And over the past two weeks either one, the other, or both of these things happens at least once a day.

My config is pretty basic. The only package I've installed is iptables-mod-ipsec (issues were present before installation), and I have a few forwarding rules that point to my VPN server. No QOS or anything else.

So my question is, how do I go about troubleshooting this? Is there a log file somewhere that keeps track of what processes are causing the reboots and wireless issues? I hate to sound like a complainer, but this has been driving me nuts the past few days.

Any and all help is appreciated.

BashfulBladder
Moderator
Posts: 250
Joined: Thu Jan 17, 2013 11:43 pm

Re: Random reboots and wireless issues

Post by BashfulBladder »

ssh in & issue:
logread
TP-Link WDR3600 v1.1 running 1.5.10+ L10n-English (Built 20130922 - OpenWrt r38093)
TP-Link WDR4300 running 1.5.10+ i18n-English (Built 20131010 - OpenWrt r38286)

https://github.com/BashfulBladder/gargoyle-plugins/wiki

thormolecules
Posts: 14
Joined: Mon Dec 24, 2012 1:51 pm

Re: Random reboots and wireless issues

Post by thormolecules »

Is logread cleared every time the router reboots? I don't have any entries in there older than today.

BashfulBladder
Moderator
Posts: 250
Joined: Thu Jan 17, 2013 11:43 pm

Re: Random reboots and wireless issues

Post by BashfulBladder »

the logfile is temporary & limited in size:

ps:
694 root 1508 S /sbin/syslogd -C16

busybox:syslogd:
-C[size(KiB)] Log to shared mem buffer (read it using logread)
TP-Link WDR3600 v1.1 running 1.5.10+ L10n-English (Built 20130922 - OpenWrt r38093)
TP-Link WDR4300 running 1.5.10+ i18n-English (Built 20131010 - OpenWrt r38286)

https://github.com/BashfulBladder/gargoyle-plugins/wiki

thormolecules
Posts: 14
Joined: Mon Dec 24, 2012 1:51 pm

Re: Random reboots and wireless issues

Post by thormolecules »

I just want to say (if it helps anyone), after much frustration I went ahead and downgraded to 1.4.7 and it works BEAUTIFULLY. My d/l speeds over wireless scream (I get the full 50 Mbps) and I'm no longer having issues with the random reboots or wifi drops.

Fingers crossed, of course. :lol:

Now to satisfy my own curiosity, can anyone provide a technical background as to why this would happen under 1.5.9? I imagine there's some difference in the wifi drivers (among other things). Not to insult to the devs, I'm just curious.

I like to tinker....and stuff. :D

mtr
Posts: 29
Joined: Sun Oct 28, 2012 1:14 pm

Re: Random reboots and wireless issues

Post by mtr »

Gargoyle 1.4.7 is based on OpenWRT Backfire (http://wiki.openwrt.org/about/history#backfire.10.03)

Gargoyle 1.5.9 is based on OpenWRT Attitude Adjustment (http://wiki.openwrt.org/about/history#a ... ment.12.09)

Here is the changelog: http://www.gargoyle-router.com/wiki/dok ... =changelog

thormolecules
Posts: 14
Joined: Mon Dec 24, 2012 1:51 pm

Re: Random reboots and wireless issues

Post by thormolecules »

Hmm, going over the change logs my best guess is that the newer version of the wifi driver may be the culprit. This is good info though.

Thanks a lot.

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