Ivo Wever, could you please confirm this issue exists with the latest
development release of Ubuntu? ISO images are available from
http://cdimage.ubuntu.com/daily-live/current/ . If the issue remains,
could you please run the following command in the development release
from a Terminal (Applications->Accessories->Terminal), as it will
automatically gather and attach updated debug information to this
report:
apport-collect -p linux <replace-with-bug-number>
** Summary changed:
- Performance of rt2800usb module in 3.5.0 abysmal (used by RT3072 chipset)
+ 148f:3072 Performance of rt2800usb module in 3.5.0 abysmal (used by RT3072
chipset)
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/1126626
Title:
148f:3072 Performance of rt2800usb module in 3.5.0 abysmal (used by
RT3072 chipset)
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
After switching from linux-image-3.2.0-37 to linux-image-3.5.0-23, I
noted the performance of my wireless network became awful (~1/10th of
my regular ~3 Mbps). Several reboots and crosschecks with other
devices confirmed that the kernel is to blame.
My wireless device:
Bus 002 Device 003: ID 148f:3072 Ralink Technology, Corp. RT3072 Wireless
Adapter
The driver stack used under both kernels:
rt2800usb 22773 0
rt2800lib 58967 1 rt2800usb
crc_ccitt 12707 1 rt2800lib
rt2x00usb 20808 1 rt2800usb
rt2x00lib 55326 3 rt2800usb,rt2800lib,rt2x00usb
mac80211 506862 3 rt2800lib,rt2x00usb,rt2x00lib
cfg80211 205774 2 rt2x00lib,mac80211
Of course I googled and came across topics such as
http://askubuntu.com/questions/131768/dlink-wireless-dwa-140-speeds-
are-crippled-on-12-04, where it is adviced to switch to the (older?)
rt5370sta. I tried that and although the driver installs, loads and
even connects to my accesspoint just fine, it subsequently immediately
freezes the 3.5 kernel.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.5.0-23-generic 3.5.0-23.35~precise1
ProcVersionSignature: Ubuntu 3.2.0-37.58-generic 3.2.35
Uname: Linux 3.2.0-37-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu17.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ivo 2644 F.... pulseaudio
CRDA:
country NL:
(2402 - 2482 @ 40), (N/A, 20)
(5170 - 5250 @ 40), (N/A, 20), NO-OUTDOOR
(5250 - 5330 @ 40), (N/A, 20), NO-OUTDOOR, DFS
(5490 - 5710 @ 40), (N/A, 27), DFS
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xfdff8000 irq 44'
Mixer name : 'Realtek ALC888'
Components : 'HDA:10ec0888,12970000,00100001'
Controls : 43
Simple ctrls : 20
Date: Fri Feb 15 21:51:50 2013
HibernationDevice: RESUME=UUID=e807172d-7e53-45ef-9a06-40c7ea6eccf2
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
MachineType: Shuttle Inc SP35
MarkForUpload: True
ProcEnviron:
LANGUAGE=en
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-37-generic
root=UUID=8148180a-7b5f-40f2-b582-36dfca309143 ro
crashkernel=384M-2G:64M,2G-:128M quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.2.0-37-generic N/A
linux-backports-modules-3.2.0-37-generic N/A
linux-firmware 1.79.1
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: Upgraded to precise on 2012-04-28 (293 days ago)
WifiSyslog: Feb 15 19:49:42 twen kernel: [ 3790.494037] cfg80211: Found new
beacon on frequency: 2472 MHz (Ch 13) on phy0
dmi.bios.date: 07/03/2009
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: 6.00 PG
dmi.board.name: FP35
dmi.board.vendor: Shuttle Inc
dmi.board.version: V20
dmi.chassis.type: 3
dmi.chassis.vendor: Shuttle Inc
dmi.chassis.version: G5
dmi.modalias:
dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd07/03/2009:svnShuttleInc:pnSP35:pvrV20:rvnShuttleInc:rnFP35:rvrV20:cvnShuttleInc:ct3:cvrG5:
dmi.product.name: SP35
dmi.product.version: V20
dmi.sys.vendor: Shuttle Inc
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