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tjs n00b
Joined: 12 Feb 2012 Posts: 4 Location: Montreal
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Posted: Tue Feb 28, 2012 12:09 am Post subject: [DWA-125] connexion très lente [Résolu] |
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Bonjour à tous.
J'ai récemment acheté une carte sans-fil USB (DWA-125) la connexion est très très lente (~5KB/sec).
La seul solution que j'ai trouvé sur Google est de fermer le powersaving (iwconfig wlan0 power off). Cependant, cela
n'a rien changé pour moi.
Voici de l'information sur ma machine qui pourrait être utile:
Code: |
localhost# uname -a
Linux localhost 3.2.1-gentoo-r2 #2 SMP Sun Feb 26 20:44:15 EST 2012 x86_64 Intel(R) Core(TM)2 CPU 4300 @ 1.80GHz GenuineIntel GNU/Linux
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Lorsque je ping mon routeur:
Code: | localhost# ping 192.168.20.1
PING 192.168.20.1 (192.168.20.1) 56(84) bytes of data.
64 bytes from 192.168.20.1: icmp_req=3 ttl=64 time=4.34 ms
64 bytes from 192.168.20.1: icmp_req=6 ttl=64 time=4.54 ms
64 bytes from 192.168.20.1: icmp_req=7 ttl=64 time=3.57 ms
64 bytes from 192.168.20.1: icmp_req=8 ttl=64 time=3.55 ms
64 bytes from 192.168.20.1: icmp_req=9 ttl=64 time=3.73 ms
^C
--- 192.168.20.1 ping statistics ---
9 packets transmitted, 5 received, 44% packet loss, time 8019ms
rtt min/avg/max/mdev = 3.554/3.949/4.547/0.418 ms
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Code: | localhost# lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 07d1:3c16 D-Link System DWA-125 Wireless N 150 Adapter(rev.A2) [Ralink RT2870]
Bus 001 Device 003: ID 03f0:0e2a Hewlett-Packard
Bus 003 Device 002: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 004 Device 002: ID 046d:c52b Logitech, Inc. Unifying Receiver
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Code: |
localhost# lsmod | grep rt2800usb
rt2800usb 13217 0
rt2800lib 35620 1 rt2800usb
rt2x00usb 7658 1 rt2800usb
rt2x00lib 28795 3 rt2800usb,rt2800lib,rt2x00usb
usbcore 121430 10 rt2800usb,rt2x00usb,hid_sony,sl811_hcd,usbhid,ohci_hcd,uhci_hcd,usb_storage,ehci_hcd
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Et ma connexion au routeur:
Code: |
localhost# iwconfig wlan0
wlan0 IEEE 802.11bgn ESSID:"Cellule-1"
Mode:Managed Frequency:2.422 GHz Access Point: 00:0C:42:49:44:C1
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=55/70 Signal level=-55 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:36 Missed beacon:0
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Lorsque j'ai fait configuré mon kernel j'ai remarqué que le module rt2800usb est encore expérimental;
C'est peut-être ça qui cause le problème.
Merci en avance
Last edited by tjs on Fri Mar 09, 2012 9:22 pm; edited 1 time in total |
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d2_racing Bodhisattva
Joined: 25 Apr 2005 Posts: 13047 Location: Ste-Foy,Canada
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Posted: Tue Feb 28, 2012 3:55 am Post subject: |
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Salut, pourrais-tu essayer avec les derniers git-sources ?
Ça va peut-être t'aider
Content de voir une personne du Québec. |
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tjs n00b
Joined: 12 Feb 2012 Posts: 4 Location: Montreal
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Posted: Fri Mar 09, 2012 9:23 pm Post subject: |
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J'ai installé le kernel git-sources (3.3.0-rc5) et la connexion semble déjà mieux. Au lieu de 5KB/Sec, j'ai une vitesse de 150KB.
Merci |
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