Bug 641558

updated system (with Factory repository added) just now.
It installed kernel 2.6.34.7-0.3  built on 2010-09-20

Connection speed is 24Mbps-36Mbps - as router (DD-Wrt) says.
Bandwidth Monitor reports 5Mbps to 10Mbps effective transfer rate (ftp download from server in local area network)

So there is an improvement comparing to previous test environment/kernel.
But connection speed is still below 54Mbps.

After ~ 10min., wireless connection disconnected.
When I try to re-connect, it doesn't work - I get pop-up window asking to choose Wireless Security parameters and password.
I have checked - password is correct.

Tried to connect from another computer (with Atheros AR928x Wireless Network Adapter, running Windows) - it connects to AP/Router without any problem, at full speed (54Mbit)

As my router is flashed with DD-Wrt, I can connect to it using Telnet, and get any information available to help tracking this problem with Ralink RT2500 wireless client.
DD-Wrt (in router) has kernel 2.4.37 and Busybox 1.13.4

Added separate bug report for Intel PRO/Wireless 5100ABG Wi-Fi adapter ("iwlagn" module)

https://bugzilla.novell.com/show_bug.cgi?id=643161

Could you try compat-wireless:
http://download.opensuse.org/repositories/driver:/wireless/11.3-update/
here too?

Sure.
I was looking for compat-wireless package before filing this bug, not found it, and later submitted this bug.

I also downloaded 11.4 Milestone2 LiveCD, and can test with it.

Which package out of those:

1) http://download.opensuse.org/repositories/driver:/wireless/11.3-update/i586/compat-wireless-kmp-default-2.6.35_k2.6.34.7_0.3-4.5.i586.rpm

2) http://download.opensuse.org/repositories/driver:/wireless/11.3-update/i586/compat-wireless-kmp-desktop-2.6.35_k2.6.34.7_0.3-4.5.i586.rpm

3) http://download.opensuse.org/repositories/driver:/wireless/11.3-update/i586/compat-wireless-kmp-pae-2.6.35_k2.6.34.7_0.3-4.5.i586.rpm

should I install?

I have following kernel installd after all (#zypper up) updates:
# rpm -qa | grep kernel
kernel-default-2.6.34.7-0.3.1.i586
kernel-firmware-20100617-2.2.noarch
kernel-default-base-2.6.34.7-0.3.1.i586


Are there any specific steps to configure Wireless interface after installation, or I need just to reboot system and see what NetworkManager says?

You have the default kernel, so the default one: 1).

 # rpm -Uvh compat-wireless-kmp-default-2.6.35_k2.6.34.7_0.3-4.5.i586.rpm
warning: compat-wireless-kmp-default-2.6.35_k2.6.34.7_0.3-4.5.i586.rpm: Header V3 DSA/SHA1 Signature, key ID 4073bdbe: NOKEY
error: Failed dependencies:
	compat-wireless-scripts = 2.6.35 is needed by compat-wireless-kmp-default-2.6.35_k2.6.34.7_0.3-4.5.i586


Where I should get compat-wireless-scripts?
YAST software installer doesn't find any compat-wireless package

(In reply to comment #8)
> Where I should get compat-wireless-scripts?

In the same repo:
http://download.opensuse.org/repositories/driver:/wireless/11.3-update/noarch/compat-wireless-scripts-2.6.35-4.5.noarch.rpm

> YAST software installer doesn't find any compat-wireless package

You can add
http://download.opensuse.org/repositories/driver:/wireless/11.3-update/
as a repo to yast to install it and to have automatic updates...

Created attachment 393275 [details]
Connection with Ralink RT2500 wireless client (OpenSUSE 11.3)


Connection with Ralink RT2500 wireless client (OpenSUSE 11.3)
- as it's seen on DD-Wrt router (Access Point)

Effective Rate - as shown on DD-Wrt Wireless Status page - is 2Mbps, sometimes going down to 1Mbps.
At teh same time Connection Information shown by NetworkManager is 48Mbit, sometimes going up to 54Mbit.
Pls also note Signal Quality at 60%, signal -44, noise -94, SNR 50.
This is very strong, excellent signal!

It means there is significant inconsistency between "connection speed" shown by DD-Wrt router (which is usually accurate on its data) and NetworkManager.
Weird...

BTW: as average download speed from OpenSUSE depository (downloading all updates recommended by YAST) is about 50KB-70KB/sec., and DD-Wrt Bandwidth Monitor shows max. transfer speed on Wireless (wl0) interface ~ 600Kbps, I think estimate of 2Mbps connection speed between AP and Wireless client is reasonable.

Created attachment 393284 [details]
Bandwidth monitor for wireless interface, ~ 15Mbps sustained rate



I installed compat-wireless-kmp-default and compat-wireless-scripts packages.

Connection Information in Network Manager- 48Mbit/54Mbit (as before)
Wireless status -> Rate (on AP):  36Mbps
So there is significant improvement here (hope it was caused by installed packages, not by environment changes or one more reboot of that notebook)

Sustained transfer rate in Bandwidth Monitor (Wireless Wl0) on router (AP) ~ 15Mbps
Which is close to the speed of other wireless adapters .
I used for test downloading of 700MB ISO image via FTP from computer connected to router (AP) with Ethernet cable.  
FTP Server indicated average speed of 1.5MB-1.6MB/sec.
So it was fast enough for 802.11g 54Mbps wireless network.

Q: how I can check via scripts or somehow else if compat-wireless package is indeed used?

Here is what I get after installing compat-wireless packages

#iwconfig
lo        no wireless extensions.

eth1      no wireless extensions.

wlan1     IEEE 802.11bg  ESSID:"dd-wrt"  
          Mode:Managed  Frequency:2.412 GHz  Access Point: 00:1B:FC:91:83:4C   
          Bit Rate=54 Mb/s   Tx-Power=20 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:on
          Link Quality=70/70  Signal level=-15 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

nm-tool tells that sped in 48Mbps.

Created attachment 395314 [details]
OpenSUSE 11.4 build0800 - Connection Information from NetworkManager, Ralink RT2500


For the sanity, I downloaded nightly build of OpenSUSE 11.4 (build 0800, Oct.16, 2010) and did connection check with it.

Connection Information from NetworkManager also shows 1Mbit/sec.
# uname -a
Linux linux.site 2.6.36-rc4-16-default #1 SMP 2010-09-16 20:58:38 +0200 i686 athlon i386 GNU/Linux

Access Point is located 1m from computer.
This is new 802.11n Access Point, capable of 300Mbps (TP-Link TL-WR841ND Wireless Router, built on Atheros chipset).  It is running native firmware.
Ralink RT2500 is 54Mbit adapter.
Previous tests were with ASUS WL-500G Premium v1 (54Mbit), using DD-Wrt v24-sp2 firmware.

So, I think problem is not related to Access Point.
It is inside Linux / kernel drivers.

Created attachment 395315 [details]
OpenSUSE 11.4 build0800 - Connection Information from NetworkManager, AR9170usb



Tested with OpenSUSE 11.4 (build 0800, Oct.16, 2010).
AR9170usb is USB Wireless Adapter based on Atheros chipset (model TP-Link TL-WN821N). 802.11n, capable of 300Mbps transfer.

Connection Information from NetworkManager also shows 1Mbit/sec., sometimes jumps to 6Mbit/sec.

Kernel information
# uname -a
Linux linux.site 2.6.36-rc4-16-default #1 SMP 2010-09-16 20:58:38 +0200 i686 athlon i386 GNU/Linux

Access Point is located 1m from computer.
This is new 802.11n Access Point, capable of 300Mbps (TP-Link TL-WR841ND Wireless Router, built on Atheros chipset).  It is running native firmware.

So, both Wi-Fi adapter and Access Point use same chipset, and should be able to communicate at 300Mbps (speed in Windows XP was close to this number) 
So, I think problem is not related to Access Point or adapter.
It is inside Linux / kernel drivers.

pinging remote host or AP confirms that there are some problems with connection.

linux:/home/linux # ping 192.168.1.1
PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
From 192.168.1.202 icmp_seq=1 Destination Host Unreachable
From 192.168.1.202 icmp_seq=2 Destination Host Unreachable
From 192.168.1.202 icmp_seq=3 Destination Host Unreachable
From 192.168.1.202 icmp_seq=4 Destination Host Unreachable
From 192.168.1.202 icmp_seq=5 Destination Host Unreachable
From 192.168.1.202 icmp_seq=6 Destination Host Unreachable
From 192.168.1.202 icmp_seq=7 Destination Host Unreachable
From 192.168.1.202 icmp_seq=8 Destination Host Unreachable
From 192.168.1.202 icmp_seq=9 Destination Host Unreachable
From 192.168.1.202 icmp_seq=10 Destination Host Unreachable
From 192.168.1.202 icmp_seq=11 Destination Host Unreachable
From 192.168.1.202 icmp_seq=12 Destination Host Unreachable
64 bytes from 192.168.1.1: icmp_req=13 ttl=64 time=40.6 ms
64 bytes from 192.168.1.1: icmp_req=14 ttl=64 time=24.9 ms
64 bytes from 192.168.1.1: icmp_req=15 ttl=64 time=462 ms
64 bytes from 192.168.1.1: icmp_req=16 ttl=64 time=525 ms
64 bytes from 192.168.1.1: icmp_req=17 ttl=64 time=469 ms
64 bytes from 192.168.1.1: icmp_req=18 ttl=64 time=14.2 ms
64 bytes from 192.168.1.1: icmp_req=19 ttl=64 time=5.35 ms
64 bytes from 192.168.1.1: icmp_req=20 ttl=64 time=6.94 ms
64 bytes from 192.168.1.1: icmp_req=21 ttl=64 time=6.70 ms
64 bytes from 192.168.1.1: icmp_req=22 ttl=64 time=84.3 ms
64 bytes from 192.168.1.1: icmp_req=23 ttl=64 time=7.72 ms
64 bytes from 192.168.1.1: icmp_req=24 ttl=64 time=669 ms
64 bytes from 192.168.1.1: icmp_req=25 ttl=64 time=359 ms
64 bytes from 192.168.1.1: icmp_req=26 ttl=64 time=336 ms
64 bytes from 192.168.1.1: icmp_req=27 ttl=64 time=3.84 ms
64 bytes from 192.168.1.1: icmp_req=28 ttl=64 time=18.2 ms
64 bytes from 192.168.1.1: icmp_req=29 ttl=64 time=6.03 ms
64 bytes from 192.168.1.1: icmp_req=30 ttl=64 time=10.7 ms
64 bytes from 192.168.1.1: icmp_req=31 ttl=64 time=6.09 ms
64 bytes from 192.168.1.1: icmp_req=32 ttl=64 time=18.7 ms
64 bytes from 192.168.1.1: icmp_req=33 ttl=64 time=5.31 ms
64 bytes from 192.168.1.1: icmp_req=34 ttl=64 time=543 ms
64 bytes from 192.168.1.1: icmp_req=35 ttl=64 time=806 ms
64 bytes from 192.168.1.1: icmp_req=36 ttl=64 time=729 ms
64 bytes from 192.168.1.1: icmp_req=37 ttl=64 time=16.3 ms
64 bytes from 192.168.1.1: icmp_req=38 ttl=64 time=14.3 ms
64 bytes from 192.168.1.1: icmp_req=39 ttl=64 time=4.47 ms
64 bytes from 192.168.1.1: icmp_req=40 ttl=64 time=10.6 ms
64 bytes from 192.168.1.1: icmp_req=41 ttl=64 time=11.9 ms
...

As you see, sometimes response time goes up to 500ms-800ms, while in other cases it is in 4ms-15ms range.

"Destination Host Unreachable" in the beginning is also surprisin me.
Usually I get immediate response from hosts in Local Area Network.

checked with nm-tool.
Signal strength is 100 for ar9170usd adapter, and for rt2500pci sinal is 100 as well.
 

# nm-tool

NetworkManager Tool

State: connected

- Device: eth0 -----------------------------------------------------------------
  Type:              Wired
  Driver:            r8169
  State:             unavailable
  Default:           no
  HW Address:        00:16:17:51:9A:1D

  Capabilities:
    Carrier Detect:  yes
    Speed:           10 Mb/s

  Wired Properties
    Carrier:         off


- Device: wlan1  [Auto TP-L] ---------------------------------------------------
  Type:              802.11 WiFi
  Driver:            ar9170usb
  State:             connected
  Default:           yes
  HW Address:        D8:5D:4C:8D:4B:72

  Capabilities:
    Speed:           1 Mb/s

  Wireless Properties
    WEP Encryption:  yes
    WPA Encryption:  yes
    WPA2 Encryption: yes

  Wireless Access Points (* = current AP)
    TRENDnet:        Infra, 00:14:D1:57:F8:11, Freq 2412 MHz, Rate 54 Mb/s, Strength 55 WPA
    *TP-L:           Infra, D8:5D:4C:BF:25:B4, Freq 2427 MHz, Rate 54 Mb/s, Strength 100 WPA
    TP-L:            Infra, 94:0C:6D:E9:43:2F, Freq 2427 MHz, Rate 54 Mb/s, Strength 78 WPA
    ZXDSL531BII-66852E: Infra, 00:16:E3:66:85:2E, Freq 2462 MHz, Rate 54 Mb/s, Strength 45
    pantherx:        Infra, 00:1C:C5:D8:34:8C, Freq 2462 MHz, Rate 54 Mb/s, Strength 82 WEP
    dlink:           Infra, 00:26:5A:32:B7:39, Freq 2437 MHz, Rate 54 Mb/s, Strength 84 WPA

  IPv4 Settings:
    Address:         192.168.1.202
    Prefix:          24 (255.255.255.0)
    Gateway:         192.168.1.2

    DNS:             192.168.1.2


- Device: wlan0 ----------------------------------------------------------------
  Type:              802.11 WiFi
  Driver:            rt2500pci
  State:             disconnected
  Default:           no
  HW Address:        00:13:D3:84:FE:9D

  Capabilities:

  Wireless Properties
    WEP Encryption:  yes
    WPA Encryption:  yes
    WPA2 Encryption: yes

  Wireless Access Points 
    pantherx:        Infra, 00:1C:C5:D8:34:8C, Freq 2462 MHz, Rate 54 Mb/s, Strength 42 WEP
    dlink:           Infra, 00:26:5A:32:B7:39, Freq 2437 MHz, Rate 54 Mb/s, Strength 45 WPA
    TP-L:            Infra, D8:5D:4C:BF:25:B4, Freq 2427 MHz, Rate 54 Mb/s, Strength 100 WPA
    TP-L:            Infra, 94:0C:6D:E9:43:2F, Freq 2427 MHz, Rate 54 Mb/s, Strength 62 WPA


P.S.  I have second AP connected via WDS to 1st one, that's why there are two "TP-L" SSID listed for each of adapters.
Some connection utilities in Windows allow to select sequence of preferred BSSID (Acces Point Mac address). It seems NetworkManager just selects first AP from the list.

(In reply to comment #15)
> checked with nm-tool.
> Signal strength is 100 for ar9170usd adapter, and for rt2500pci sinal is 100 as
> well.
> 
> 
> # nm-tool
> 
...
> 
> - Device: wlan1  [Auto TP-L]
> ---------------------------------------------------
>   Type:              802.11 WiFi
>   Driver:            ar9170usb
>   State:             connected
>   Default:           yes
>   HW Address:        D8:5D:4C:8D:4B:72
> 
>   Capabilities:
>     Speed:           1 Mb/s
> 
>   Wireless Properties
>     WEP Encryption:  yes
>     WPA Encryption:  yes
>     WPA2 Encryption: yes
> 
>   Wireless Access Points (* = current AP)
>     TRENDnet:        Infra, 00:14:D1:57:F8:11, Freq 2412 MHz, Rate 54 Mb/s,
> Strength 55 WPA
>     *TP-L:           Infra, D8:5D:4C:BF:25:B4, Freq 2427 MHz, Rate 54 Mb/s,
...
> 
> - Device: wlan0
> ----------------------------------------------------------------
>   Type:              802.11 WiFi
>   Driver:            rt2500pci
>   State:             disconnected
>   Default:           no
>   HW Address:        00:13:D3:84:FE:9D
> 
>   Capabilities:
> 
>   Wireless Properties
>     WEP Encryption:  yes
>     WPA Encryption:  yes
>     WPA2 Encryption: yes
> 
>   Wireless Access Points 
>     pantherx:        Infra, 00:1C:C5:D8:34:8C, Freq 2462 MHz, Rate 54 Mb/s,
> Strength 42 WEP
>     dlink:           Infra, 00:26:5A:32:B7:39, Freq 2437 MHz, Rate 54 Mb/s,
> Strength 45 WPA
>     TP-L:            Infra, D8:5D:4C:BF:25:B4, Freq 2427 MHz, Rate 54 Mb/s,
> Strength 100 WPA
>     TP-L:            Infra, 94:0C:6D:E9:43:2F, Freq 2427 MHz, Rate 54 Mb/s,
> Strength 62 WPA
> 
> 

Comment 15 (and comment 13, 14) is for OpenSUSE 11.4 (build 0800, Oct.16, 2010)
System booted via GNOME x86 LiveCD.

I was not adding compat-wireless to that environment
BTW: can I install it to LiveCD system?

I can install OpenSUSE 11.4 nightly build on another machine, and test there ar9170usb Wi-Fi USB adapter (with compat-wireless repository).
But rt2500pci is built-in Wi-Fi adapter (MSI S271), and I have OpenSUSE 11.3 final installed on that notebook.

(In reply to comment #9)
> > YAST software installer doesn't find any compat-wireless package
> 
> You can add
> http://download.opensuse.org/repositories/driver:/wireless/11.3-update/
> as a repo to yast to install it and to have automatic updates...

For OpenSUSE 11.4 (nightly build) -
Should I add
http://download.opensuse.org/repositories/driver:/wireless/openSUSE_Factory/driver:wireless.repo

repository to test up-to-date compat-wireless package, right?

Are there any log files where I can check connectivity status and handshakes (association, authorization, "running", speed change, etc.)?

I have posted settings and info about AP and Wireless Router used for testing on my blog page: 
http://vplessky.blogspot.com/2010/10/tp-link-tl-wr841nd-wireless-router.html
http://vplessky.blogspot.com/2010/10/tp-link-tl-wa801nd-wireless-access.html

AP and Router were configured with same SSID ('TP-L'), as Access Point, tried with and without WDS.
Both units are using native (TP-Link) firmware so far.

In OpenSUSE 11.3, compat-wireless installed:
- Ralink RT2500 adapter is working ok.

- Atheros ar9170usb - again shows 1Mb/sec., sometimes jumping to 9Mb/sec. (Network Manager - Connection Information)

So for ar9170usb (TL-WN821N) adapter behavior is similar for 11.3 and 11.4 Milestone 2.

But ping is working fine (it had very long delay in OpenSUSE 11.4 M2/build 08000)

# ping 192.168.1.1
PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
64 bytes from 192.168.1.1: icmp_seq=1 ttl=64 time=2.74 ms
64 bytes from 192.168.1.1: icmp_seq=2 ttl=64 time=1.05 ms
64 bytes from 192.168.1.1: icmp_seq=3 ttl=64 time=1.07 ms
64 bytes from 192.168.1.1: icmp_seq=4 ttl=64 time=1.69 ms
64 bytes from 192.168.1.1: icmp_seq=5 ttl=64 time=3.87 ms
64 bytes from 192.168.1.1: icmp_seq=6 ttl=64 time=1.04 ms
64 bytes from 192.168.1.1: icmp_seq=7 ttl=64 time=1.85 ms
^C
--- 192.168.1.1 ping statistics ---
7 packets transmitted, 7 received, 0% packet loss, time 6009ms
rtt min/avg/max/mdev = 1.043/1.906/3.878/0.987 ms

As ar9170b is 802.11n adapter, capable of 300Mbps, current speed is far below required level.

# uname -a
Linux linux-msi-s271.site 2.6.34.7-0.4-default #1 SMP 2010-10-07 19:07:51 +0200 i686 athlon i386 GNU/Linux

Another USB Wi-Fi Stick - rt73usb (TL-WN321G) - connects at 48Mb/s.
For 802.11g 54Mb/s adpater it is fine.

(In reply to comment #19)
> In OpenSUSE 11.3, compat-wireless installed:
> - Ralink RT2500 adapter is working ok.
> 
> - Atheros ar9170usb - again shows 1Mb/sec., sometimes jumping to 9Mb/sec.
> (Network Manager - Connection Information)
> 
> So for ar9170usb (TL-WN821N) adapter behavior is similar for 11.3 and 11.4
> Milestone 2.
> 
> But ping is working fine (it had very long delay in OpenSUSE 11.4 M2/build
> 08000)

What version of compat-wireless did you install (rpm -q compat-wireless)? M2 still used .36-rc4 kernel. The drivers should be the same in M3 (Build 838 is enough) as in compat-wireless. Could you check?

For the ar9170usb slowness, you should report a separate bug.

Closing due to lack of response.