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#1 Le 31/08/2014, à 18:29

Pyov.

Ralink 5370

Bonjour,
Après installation de Ubuntu 14,04, je n'ai pas d'accès au wifi.
Je peux me connecter, mais aucun débit (débit compris entre 10-30 o/s).
PS: presque pas de problème sous une vieille 14,04 (au moins une 12,04 mise à niveau à chaque sortie), seulement de très nombreuses coupures intempestives.

Voila le rapport wificheck:

>>    cat /etc/lsb-release 

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04.1 LTS"

>>    lsusb 

Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 002: ID 148f:5370 Ralink Technology, Corp. RT5370 Wireless Adapter
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 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 0bda:0151 Realtek Semiconductor Corp. Mass Storage Device (Multicard Reader)
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 003: ID 1c4f:0016 SiGma Micro 
Bus 004 Device 002: ID 046d:c05a Logitech, Inc. M90/M100 Optical Mouse
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

>>    lspci -k -nn | grep -A 3 -i net 

02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 02)
	Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:501c]
	Kernel driver in use: r8169
03:00.0 FireWire (IEEE 1394) [0c00]: JMicron Technology Corp. IEEE 1394 Host Controller [197b:2380]

>>    sudo lshw -C network 

  *-network
       description: Ethernet interface
       product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: eth0
       version: 02
       serial: 00:21:85:11:0e:79
       size: 10Mbit/s
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix vpd bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half latency=0 link=no multicast=yes port=MII speed=10Mbit/s
       resources: irq:43 ioport:e800(size=256) memory:fdfff000-fdffffff memory:fdfe0000-fdfeffff memory:fe9f0000-fe9fffff
  *-network
       description: Wireless interface
       physical id: 1
       bus info: usb@2:3
       logical name: wlan0
       serial: 7c:dd:90:17:ea:0e
       capabilities: ethernet physical wireless
       configuration: broadcast=yes driver=rt2800usb driverversion=3.13.0-24-generic firmware=0.29 link=no multicast=yes wireless=IEEE 802.11bgn

>>    lsmod 

Module                  Size  Used by
nls_utf8               12557  1 
isofs                  39835  1 
tda1004x               23288  1 
saa7134_dvb            34722  0 
videobuf_dvb           14092  1 saa7134_dvb
dvb_core              121659  1 videobuf_dvb
saa7134_alsa           18486  1 
bnep                   19624  2 
rfcomm                 69160  0 
bluetooth             395423  10 bnep,rfcomm
arc4                   12608  2 
kvm_amd                59987  0 
kvm                   451511  1 kvm_amd
serio_raw              13462  0 
k8temp                 12978  0 
edac_core              62291  0 
edac_mce_amd           22617  0 
snd_hda_codec_hdmi     46207  1 
rt2800usb              27034  0 
rt2x00usb              20742  1 rt2800usb
rt2800lib              89076  1 rt2800usb
rt2x00lib              55307  3 rt2x00usb,rt2800lib,rt2800usb
mac80211              626489  3 rt2x00lib,rt2x00usb,rt2800lib
cfg80211              484040  2 mac80211,rt2x00lib
crc_ccitt              12707  1 rt2800lib
joydev                 17381  0 
tda827x                18114  2 
tda8290                22428  1 
tuner                  27308  1 
snd_hda_codec_realtek    61438  1 
snd_seq_midi           13324  0 
snd_hda_intel          52355  5 
snd_seq_midi_event     14899  1 snd_seq_midi
snd_hda_codec         192906  3 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_intel
snd_hwdep              13602  1 snd_hda_codec
snd_rawmidi            30144  1 snd_seq_midi
snd_pcm               102099  4 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,saa7134_alsa
saa7134               184899  2 saa7134_dvb,saa7134_alsa
radeon               1514165  3 
snd_seq                61560  2 snd_seq_midi_event,snd_seq_midi
tveeprom               21216  1 saa7134
snd_seq_device         14497  3 snd_seq,snd_rawmidi,snd_seq_midi
videobuf_dma_sg        19262  3 saa7134_dvb,saa7134,saa7134_alsa
rc_core                28124  1 saa7134
ttm                    85115  1 radeon
v4l2_common            15681  2 tuner,saa7134
videobuf_core          26023  3 videobuf_dma_sg,saa7134,videobuf_dvb
snd_page_alloc         18710  2 snd_pcm,snd_hda_intel
drm_kms_helper         52758  1 radeon
videodev              134688  3 tuner,saa7134,v4l2_common
snd_timer              29482  2 snd_pcm,snd_seq
drm                   302817  5 ttm,drm_kms_helper,radeon
sp5100_tco             13979  0 
snd                    69238  24 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,snd_seq_device,saa7134_alsa,snd_seq_midi
i2c_piix4              22155  0 
i2c_algo_bit           13413  1 radeon
parport_pc             32701  0 
ppdev                  17671  0 
mac_hid                13205  0 
lp                     17759  0 
soundcore              12680  1 snd
parport                42348  3 lp,ppdev,parport_pc
hid_generic            12548  0 
usbhid                 52616  0 
hid                   106148  2 hid_generic,usbhid
pata_acpi              13038  0 
usb_storage            62209  0 
psmouse               102222  0 
firewire_ohci          40409  0 
firewire_core          68769  1 firewire_ohci
pata_atiixp            13271  2 
crc_itu_t              12707  1 firewire_core
r8169                  67581  0 
mii                    13934  1 r8169
ahci                   25819  3 
libahci                32168  1 ahci
>>    iwconfig 

wlan0     IEEE 802.11bgn  ESSID:off/any  
          Mode:Managed  Access Point: Not-Associated   Tx-Power=20 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Power Management:on
          

>>    ifconfig -a 

eth0      Link encap:Ethernet  HWaddr 00:21:85:11:0e:79  
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:392 errors:0 dropped:0 overruns:0 frame:0
          TX packets:392 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:30248 (30.2 KB)  TX bytes:30248 (30.2 KB)

wlan0     Link encap:Ethernet  HWaddr 7c:dd:90:17:ea:0e  
          inet6 addr: fe80::7edd:90ff:fe17:ea0e/64 Scope:Link
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:63 errors:0 dropped:0 overruns:0 frame:0
          TX packets:187 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:8081 (8.0 KB)  TX bytes:31016 (31.0 KB)


>>    sudo iwlist scan 


>>    uname -r -m 

3.13.0-24-generic x86_64

>>    cat /etc/network/interfaces 

# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback

>>    nm-tool 


NetworkManager Tool

State: disconnected

- Device: wlan0 ----------------------------------------------------------------
  Type:              802.11 WiFi
  Driver:            rt2800usb
  State:             disconnected
  Default:           no
  HW Address:        7C:DD:90:17:EA:0E

  Capabilities:

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

  Wireless Access Points 
    Livebox-14b4:    Infra, 00:1D:6A:68:C2:84, Freq 2437 MHz, Rate 54 Mb/s, Strength 12 WPA WPA2
    SFR_55F0:        Infra, 24:95:04:BE:55:F4, Freq 2412 MHz, Rate 54 Mb/s, Strength 15 WPA
    freebox_Segretain: Infra, AA:23:61:45:4B:2C, Freq 2462 MHz, Rate 54 Mb/s, Strength 9 WPA
    FreeWifi_secure: Infra, AA:23:61:45:4B:2F, Freq 2462 MHz, Rate 54 Mb/s, Strength 2 WPA Enterprise
    FreeWifi:        Infra, AA:23:61:45:4B:2E, Freq 2462 MHz, Rate 54 Mb/s, Strength 2
    orange:          Infra, 06:1D:6A:68:C2:84, Freq 2437 MHz, Rate 54 Mb/s, Strength 30


- Device: eth0 -----------------------------------------------------------------
  Type:              Wired
  Driver:            r8169
  State:             unavailable
  Default:           no
  HW Address:        00:21:85:11:0E:79

  Capabilities:
    Carrier Detect:  yes

  Wired Properties
    Carrier:         off



>>    sudo rfkill list 

0: phy0: Wireless LAN
	Soft blocked: no
	Hard blocked: no

J'ai essayé de suivre les indications des pages de documentation concernant les Ralink mais cela ne semble pas fonctionner (nombreuses erreurs après le "make").

Qu'en pensez-vous, que puis-je faire?
Merci d'avance!
Pyo

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