Public bug reported:
After upgrading to Karmic Koala final release, the dongle connects only at 1
Mbit/ sec, becoming in almost useless connection.
With jaunty it was connecting at 40 Mbit/sec, allowing also to stream some
video content
Maybe related/connected to
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/232315 which also affect
my dongle during bootstrap.
r...@baley:/home/azazel# iwconfig wlan0
wlan0 IEEE 802.11bg ESSID:"lizardnet"
Mode:Managed Frequency:2.422 GHz Access Point: 00:16:B6:D8:FE:86
Bit Rate=1 Mb/s Tx-Power=20 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:ED9D-605E-7EF1-991C-A38C-5657-8984-1A3F [2]
Power Management:off
Link Quality=33/100 Signal level=33/100
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
r...@baley:/home/azazel# lsusb
Bus 001 Device 004: ID 0ace:1215 ZyDAS WLA-54L WiFi
Bus 001 Device 003: ID 2304:0236 Pinnacle Systems, Inc. [hex]
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 002: ID 1130:6605 Tenx Technology, Inc.
Bus 002 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 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
r...@baley:/home/azazel# lsusb -v -s 001:004
Bus 001 Device 004: ID 0ace:1215 ZyDAS WLA-54L WiFi
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 255 Vendor Specific Class
bDeviceSubClass 255 Vendor Specific Subclass
bDeviceProtocol 255 Vendor Specific Protocol
bMaxPacketSize0 64
idVendor 0x0ace ZyDAS
idProduct 0x1215 WLA-54L WiFi
bcdDevice 48.10
iManufacturer 16 ZyDAS
iProduct 32 USB2.0 WLAN
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 46
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 500mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 4
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x01 EP 1 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x04 EP 4 OUT
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 1
r...@baley:/home/azazel# lsmod
Module Size Used by
cryptd 8008 0
aes_x86_64 8992 2
aes_generic 28480 1 aes_x86_64
arc4 2144 2
ecb 3296 2
zd1211rw 52520 0
mac80211 210040 1 zd1211rw
cfg80211 109144 2 zd1211rw,mac80211
nfsd 306112 9
lockd 78068 1 nfsd
nfs_acl 3552 1 nfsd
auth_rpcgss 47808 1 nfsd
sunrpc 225800 8 nfsd,lockd,nfs_acl,auth_rpcgss
snd_hda_codec_realtek 277860 1
fbcon 41344 71
tileblit 3136 1 fbcon
font 8832 1 fbcon
bitblit 6688 1 fbcon
softcursor 2336 1 bitblit
snd_hda_intel 31880 2
snd_hda_codec 87456 2 snd_hda_codec_realtek,snd_hda_intel
snd_hwdep 9128 1 snd_hda_codec
snd_pcm_oss 44480 1
snd_mixer_oss 18688 2 snd_pcm_oss
snd_pcm 92296 3 snd_hda_intel,snd_hda_codec,snd_pcm_oss
snd_seq_dummy 3460 0
snd_seq_oss 33216 0
smsc47m192 17424 0
snd_seq_midi 8192 0
hwmon_vid 3968 1 smsc47m192
snd_rawmidi 26912 1 snd_seq_midi
snd_seq_midi_event 8448 2 snd_seq_oss,snd_seq_midi
iptable_filter 3872 0
dvb_usb_dib0700 58184 10
snd_seq 60480 6
snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
dib7000p 19272 2 dvb_usb_dib0700
i915 246792 2
i2c_i801 11452 0
dib7000m 16836 1 dvb_usb_dib0700
snd_timer 26928 2 snd_pcm,snd_seq
ip_tables 21168 1 iptable_filter
drm 193280 2 i915
dvb_usb 19276 1 dvb_usb_dib0700
snd_seq_device 8308 5
snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
i2c_algo_bit 7076 1 i915
x_tables 25768 1 ip_tables
dvb_core 104528 1 dvb_usb
lp 11908 0
snd 76808 12
snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
dib3000mc 14344 1 dvb_usb_dib0700
intel_agp 32752 2 i915
dibx000_common 4196 3 dib7000p,dib7000m,dib3000mc
psmouse 57124 0
video 23612 1 i915
soundcore 9088 3 snd
dib0070 8868 2 dvb_usb_dib0700
snd_page_alloc 10928 2 snd_hda_intel,snd_pcm
output 3680 1 video
serio_raw 6596 0
parport 40528 1 lp
xfs 534624 4
exportfs 5472 2 nfsd,xfs
usbhid 43936 0
** Affects: ubuntu
Importance: Undecided
Status: New
--
Problems with ZyDAS wi-fi dongle
https://bugs.launchpad.net/bugs/478478
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