[SOLVED] Troubleshooting slow wireless [ath9k/samsung r540 laptop]

I'm working to resolve an issue I've been experiencing on my laptop. My wireless internet is unacceptably slow- here are some test results via speedtest.net-
[arch/kde/konqueror]:
1. ping: 19 ms / download speed: 2.22 mbps / upload speed: 0.18 mbps
2. ping: 45 ms / download speed: 0.59 mbps / upload speed: 0.39 mbps
3. ping: 40 ms / download speed: 3.07 mbps / upload speed: 0.96 mbps
4. ping: 38 ms / download speed: 1.01 mbps / upload speed: 0.48 mbps
5. ping: 40 ms / download speed: 3.07 mbps / upload speed: 0.93 mbps
vs. this, on a four year old spare laptop running windows vista-
[spare laptop/windows vista/firefox]
1. ping: 17 ms / download speed: 11.41 mbps / upload speed: 0.84 mbps
2. ping: 19 ms / download speed: 10.61 mbps / upload speed: 0.85 mbps
3. ping: 18 ms / download speed: 12.44 mbps / upload speed: 0.82 mbps
4. ping: 18 ms / download speed: 9.94 mbps / upload speed: 0.82 mbps
5. ping: 20 ms / download speed: 10.14 mbps / upload speed: 0.85 mbps
Here is a link to my discussion of the issue on reddit.
Anyway, are there any further troubleshooting activities one would recommend? I'd be glad to work along with someone to figure this thing out!
[EDIT] It was a reception problem. Thanks for the input!
Last edited by dxtrpn (2012-01-26 23:21:10)

Hey, thanks for the tip!
I tried adding the bit to modprobe.d, but no results. I believe the issue is with encryption, and this is why:
Until recently, I'd used WEP, but had to change it to WAP2 . I noticed issues shortly afterward, and just today, I fiddled around some more. Unencrypted download speed came in around 17-20 mpbs, WEP was 9-13. But, somewhat unfortunately, when I switched back to WAP2 to confirm the issue, I connected at about the same speed as the other encryptions. So it seems to be faster now, but I can't say why.
I suppose another explanation would be that changing the type of encryption reset something that needed resetting with my router.
Any input is welcome.
Here is this-
# iwconfig wlan0
wlan0 IEEE 802.11bgn ESSID:"onliner"
Mode:Managed Frequency:2.417 GHz Access Point: C4:3D:C7:92:07:2C
Bit Rate=135 Mb/s Tx-Power=14 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:on
Link Quality=70/70 Signal level=-38 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:24 Invalid misc:2792 Missed beacon:0
So, what about this is wrong?
Last edited by dxtrpn (2012-01-25 03:05:47)

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SOLVED (Hopefully forever.)
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---- ORIGINAL POST ----
Seems everybody and their grandmothers are having internet problems since 3.3.
On a Macbook Pro, kernel 3.3.2-1.
Here is my problem: http://i.imgur.com/AcqLM.jpg
I made that image before checking the forums, but now that I've looked around I suspect the kernel.
Put up with it until 3.3.3? Or regress?
Last edited by fosskers (2012-08-31 13:00:28)

@fosskers:
Sry, I just told KDE to disable it
@all:
/proc/net/wireless looks pretty bad:
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face | tus | link level noise | nwid crypt frag retry misc | beacon | 22
wlan0: 0000 70. -38. -256 0 0 0 514 2 0
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[ 1698.359901] b43-phy0: Loading firmware version 666.2 (2011-02-23 01:15:07)
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~~~~~~~~~~~~~~~
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I cant download itunes programme for my samsung rv510 laptop, it says error occurs after I try to instal the 10.7 version? What do I need to do?

I cant download itunes programme for my samsung rv510 laptop, it says error occurs after I try to instal the 10.7 version? What do I need to do?

.dmg.part is not a complete file.. It usually indicates that the entire file has not been downloaded yet. Are you sure you downloaded the entire file? (i recommend updating itunes through  > Software Update
Alternatively, you can download it from here: http://support.apple.com/kb/DL1614

[SOLVED] Troubleshooting slow wireless [ath9k/samsung r540 laptop]

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