Public bug reported:
I have D-Link DWA-125 rev A2 [RT3070] and connect to 802.11n network.
At 12.04 and 12.10 driver shows a very bad performance. Constant breaks,
dropped packets and loss of signal. On other os this dongle shows a good
perfomance.
wlan0 IEEE 802.11bgn ESSID:"barbara streisand"
Mode:Managed Frequency:2.412 GHz Access Point: 34:08:04:DC:5A:E8
Bit Rate=6.5 Mb/s Tx-Power=27 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:on
Link Quality=31/70 Signal level=-79 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:1099 Invalid misc:4 Missed beacon:0
itux@itux-ubuntu:~$ 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_req=7 ttl=64 time=2041 ms
64 bytes from 192.168.1.1: icmp_req=8 ttl=64 time=1048 ms
64 bytes from 192.168.1.1: icmp_req=9 ttl=64 time=40.4 ms
64 bytes from 192.168.1.1: icmp_req=11 ttl=64 time=25.3 ms
64 bytes from 192.168.1.1: icmp_req=12 ttl=64 time=24.7 ms
64 bytes from 192.168.1.1: icmp_req=13 ttl=64 time=3.94 ms
64 bytes from 192.168.1.1: icmp_req=14 ttl=64 time=3.80 ms
64 bytes from 192.168.1.1: icmp_req=15 ttl=64 time=3.92 ms
64 bytes from 192.168.1.1: icmp_req=19 ttl=64 time=2024 ms
64 bytes from 192.168.1.1: icmp_req=20 ttl=64 time=1016 ms
64 bytes from 192.168.1.1: icmp_req=21 ttl=64 time=8.70 ms
64 bytes from 192.168.1.1: icmp_req=22 ttl=64 time=16.7 ms
64 bytes from 192.168.1.1: icmp_req=23 ttl=64 time=9.68 ms
64 bytes from 192.168.1.1: icmp_req=24 ttl=64 time=7.80 ms
64 bytes from 192.168.1.1: icmp_req=25 ttl=64 time=11.1 ms
^C
--- 192.168.1.1 ping statistics ---
25 packets transmitted, 15 received, 40% packet loss, time 24126ms
rtt min/avg/max/mdev = 3.805/419.177/2041.872/719.651 ms, pipe 3
itux@itux-ubuntu:~$ lsmod | grep rt
rt2800usb 22622 0
rt2x00usb 20618 1 rt2800usb
rt2800lib 58685 1 rt2800usb
crc_ccitt 12667 1 rt2800lib
rt2x00lib 54852 3 rt2800usb,rt2x00usb,rt2800lib
mac80211 539908 3 rt2x00usb,rt2800lib,rt2x00lib
cfg80211 206566 2 rt2x00lib,mac80211
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: bot-comment
** Description changed:
I have D-Link DWA-125 rev A2 [RT3070] and connect to 802.11n network.
At 12.04 and 12.10 driver shows a very bad performance. Constant breaks,
dropped packets and loss of signal. On other os this dongle shows a good
perfomance.
- wlan0 IEEE 802.11bgn ESSID:"barbara streisand"
- Mode:Managed Frequency:2.412 GHz Access Point: 34:08:04:DC:5A:E8
- Bit Rate=6.5 Mb/s Tx-Power=27 dBm
- Retry long limit:7 RTS thr:off Fragment thr:off
- Power Management:on
- Link Quality=31/70 Signal level=-79 dBm
- Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
- Tx excessive retries:1099 Invalid misc:4 Missed beacon:0
+ wlan0 IEEE 802.11bgn ESSID:"barbara streisand"
+ Mode:Managed Frequency:2.412 GHz Access Point: 34:08:04:DC:5A:E8
+ Bit Rate=6.5 Mb/s Tx-Power=27 dBm
+ Retry long limit:7 RTS thr:off Fragment thr:off
+ Power Management:on
+ Link Quality=31/70 Signal level=-79 dBm
+ Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
+ Tx excessive retries:1099 Invalid misc:4 Missed beacon:0
itux@itux-ubuntu:~$ 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_req=7 ttl=64 time=2041 ms
64 bytes from 192.168.1.1: icmp_req=8 ttl=64 time=1048 ms
64 bytes from 192.168.1.1: icmp_req=9 ttl=64 time=40.4 ms
64 bytes from 192.168.1.1: icmp_req=11 ttl=64 time=25.3 ms
64 bytes from 192.168.1.1: icmp_req=12 ttl=64 time=24.7 ms
64 bytes from 192.168.1.1: icmp_req=13 ttl=64 time=3.94 ms
64 bytes from 192.168.1.1: icmp_req=14 ttl=64 time=3.80 ms
64 bytes from 192.168.1.1: icmp_req=15 ttl=64 time=3.92 ms
64 bytes from 192.168.1.1: icmp_req=19 ttl=64 time=2024 ms
64 bytes from 192.168.1.1: icmp_req=20 ttl=64 time=1016 ms
64 bytes from 192.168.1.1: icmp_req=21 ttl=64 time=8.70 ms
64 bytes from 192.168.1.1: icmp_req=22 ttl=64 time=16.7 ms
64 bytes from 192.168.1.1: icmp_req=23 ttl=64 time=9.68 ms
64 bytes from 192.168.1.1: icmp_req=24 ttl=64 time=7.80 ms
64 bytes from 192.168.1.1: icmp_req=25 ttl=64 time=11.1 ms
^C
--- 192.168.1.1 ping statistics ---
25 packets transmitted, 15 received, 40% packet loss, time 24126ms
rtt min/avg/max/mdev = 3.805/419.177/2041.872/719.651 ms, pipe 3
+
+ itux@itux-ubuntu:~$ lsmod | grep rt
+ rt2800usb 22622 0
+ rt2x00usb 20618 1 rt2800usb
+ rt2800lib 58685 1 rt2800usb
+ crc_ccitt 12667 1 rt2800lib
+ rt2x00lib 54852 3 rt2800usb,rt2x00usb,rt2800lib
+ mac80211 539908 3 rt2x00usb,rt2800lib,rt2x00lib
+ cfg80211 206566 2 rt2x00lib,mac80211
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https://bugs.launchpad.net/bugs/1054179
Title:
RT3070 usb dongle very poor perfomance
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