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#1 2009-08-26 09:42:05

lolilolicon
Member
Registered: 2009-03-05
Posts: 1,722

Odd network issue: browsing gets really slow as uptime goes up.

I'm experiencing this odd network issue:

With a fresh boot, the network works nicely. Everything loads in a blink.

After a relatively long time with the wireless connected, it gets slow. When I say slow, I mean it's really slow. Like almost nothing gets loaded in any browser successfully. Pacman can barely download anything, either. But when I try ping www.google.com, or any other site, the response is fast.

If I then just reboot, it all comes back to normal.

Infomation that might be useful:

1. I'm using wicd as network autoconnecter according to the wiki.
2. I'm using wireless after a router I set up at home.
3. I've read in the wiki about the Window Scaling issue thing, but can't determine whether mine is, though seemingly similar, the exact same issue.

I'm confused. Many many many thanks to people who's gonna answer my question!

Last edited by lolilolicon (2009-08-26 09:43:10)


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#2 2009-08-26 10:04:14

arkham
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From: Stockholm
Registered: 2008-10-26
Posts: 516
Website

Re: Odd network issue: browsing gets really slow as uptime goes up.

Which card/driver are you using?


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#3 2009-08-26 10:13:43

lolilolicon
Member
Registered: 2009-03-05
Posts: 1,722

Re: Odd network issue: browsing gets really slow as uptime goes up.

$ lspci | grep -i net
03:00.0 Network controller: Intel Corporation PRO/Wireless 4965 AG or AGN [Kedron] Network Connection (rev 61)
04:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 01)
$ pacman -Q | grep iwlwifi
iwlwifi-4965-ucode 228.61.2.24-1

These?


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#4 2009-08-26 10:23:00

arkham
Member
From: Stockholm
Registered: 2008-10-26
Posts: 516
Website

Re: Odd network issue: browsing gets really slow as uptime goes up.

Instead of rebooting try removing and modprobing your driver.


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#5 2009-08-26 10:34:22

lolilolicon
Member
Registered: 2009-03-05
Posts: 1,722

Re: Odd network issue: browsing gets really slow as uptime goes up.

I haven't done any removing/modprobing as you suggested, but

$ lsmod | grep iw
iwlagn                 95208  0 
iwlcore                96036  1 iwlagn
rfkill                 10640  2 iwlcore
mac80211              182848  2 iwlagn,iwlcore
led_class               3976  3 iwlcore,sdhci,asus_laptop
cfg80211               67364  3 iwlagn,iwlcore,mac80211

Shouldn't there be iwl4965?

Edit:

$ sudo modprobe iwl4965
Password: 
$ lsmod | grep iw
iwlagn                 95208  0 
iwlcore                96036  1 iwlagn
rfkill                 10640  2 iwlcore
mac80211              182848  2 iwlagn,iwlcore
led_class               3976  3 iwlcore,sdhci,asus_laptop
cfg80211               67364  3 iwlagn,iwlcore,mac80211

So which one is iwl4965 (if it's in there)? iwlagn? Which one do I modprobe -r and then modprobe?

Well, I'm not experiencing this issue right now... It's so odd that I am waiting for it to happen again... Any suggestions on trouble shooting?

Last edited by lolilolicon (2009-08-26 11:08:45)


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#6 2009-08-29 06:46:53

ckristi
Member
From: Bucharest, Romania
Registered: 2006-11-21
Posts: 225

Re: Odd network issue: browsing gets really slow as uptime goes up.

I think it's iwlagn.


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#7 2009-08-29 08:12:49

lolilolicon
Member
Registered: 2009-03-05
Posts: 1,722

Re: Odd network issue: browsing gets really slow as uptime goes up.

So the wiki should be updated?

Strange... this problem haven't occurred since I posted this post.


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#8 2009-08-29 12:05:49

arkham
Member
From: Stockholm
Registered: 2008-10-26
Posts: 516
Website

Re: Odd network issue: browsing gets really slow as uptime goes up.

lolilolicon wrote:

So the wiki should be updated?

Strange... this problem haven't occurred since I posted this post.

It's Arch MAGIC! tongue


"I'm Winston Wolfe. I solve problems."

~ Need moar games? [arch-games] ~ [aurcheck] AUR haz updates? ~

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#9 2009-08-29 12:52:16

lolilolicon
Member
Registered: 2009-03-05
Posts: 1,722

Re: Odd network issue: browsing gets really slow as uptime goes up.

arkham wrote:
lolilolicon wrote:

So the wiki should be updated?

Strange... this problem haven't occurred since I posted this post.

It's Arch MAGIC! tongue

Haha funny. But, well... bad news is... it just happened again!

I tried your advice and did

$ sudo rmmod iwlagn && sudo modprobe iwlagn

Doesn't help.

So I just rebooted -- the only solution I know.

I wasn't doing anything other than mpd + firefox + pacman(ara2c/wget), no torrent no ed2k stuff. wicd plays very well at automatic reconnecting.

I don't know what's wrong... This time the PC has been up for two days or so. roll


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#10 2009-09-01 19:40:40

roeleman
Member
Registered: 2007-11-09
Posts: 46

Re: Odd network issue: browsing gets really slow as uptime goes up.

Same problem here.  I dont think it's from your network card, because I have a linksys.  But my problem is exactly the same.  I don't find a solution.

Regards,
Roel

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#11 2009-09-06 20:00:12

buddabrod
Member
From: Germany
Registered: 2007-02-25
Posts: 220

Re: Odd network issue: browsing gets really slow as uptime goes up.

Same here with my intel 4965. This really sucks..
I'll install FreeBSD again as second OS since their (it originates from OpenBSD iirc) iwn driver is much better than iwlagn.

Edit: reloading the module fixes it for me.

Last edited by buddabrod (2009-09-06 20:01:36)

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#12 2009-09-11 13:45:16

lolilolicon
Member
Registered: 2009-03-05
Posts: 1,722

Re: Odd network issue: browsing gets really slow as uptime goes up.

This problem came up again. I've tried reprobing the module, reconnect to internet and restart my router. I also tried the 'bad' and 'good' method mentioned in the wiki 'Window Scaling Issue' section. All in vain. Finally rebooted again.>.<


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