** Tags added: needs-full-computer-model
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https://bugs.launchpad.net/bugs/802902
Title:
Realtek rtl8187b wireless chipset slow speed
Status in The Linux Kernel:
New
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
Hi, I have ubuntu 11.04, all updates, wifi chipset rtl8187B, kernel
2.6.38-10, and 14mbit/s internet connection.
When I try to download something, for example from torrents, I see ping up
(up to 500-800ms), slow speed (<1mbit/s) and packets lost.
In windows its works fine, ping didnt up, download speed 14mbit/s.
So if I want to download something, I need to reboot from ubuntu to windows,
or wait for download at low speed in ubuntu. And it's not good=(
Thanks, and sorry my bad english.
laptop:~$ uname -a
Linux mike-laptop 2.6.38-10-generic #44-Ubuntu SMP Thu Jun 2 21:32:22 UTC
2011 x86_64 x86_64 x86_64 GNU/Linux
laptop:~$ modprobe --show-depends rtl8187
insmod
/lib/modules/2.6.38-10-generic/updates/drivers/misc/eeprom/eeprom_93cx6.ko
insmod /lib/modules/2.6.38-10-generic/updates/net/wireless/cfg80211.ko
insmod /lib/modules/2.6.38-10-generic/updates/net/mac80211/mac80211.ko
insmod
/lib/modules/2.6.38-10-generic/updates/drivers/net/wireless/rtl818x/rtl8187/rtl8187.ko
laptop:~$ sudo lsusb -d 0bda:8187
Bus 001 Device 004: ID 0bda:8187 Realtek Semiconductor Corp. RTL8187 Wireless
Adapter
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-10-generic 2.6.38-10.44
ProcVersionSignature: Ubuntu 2.6.38-10.44-generic 2.6.38.7
Uname: Linux 2.6.38-10-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: mike 2412 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xfcb00000 irq 43'
Mixer name : 'Realtek ALC269'
Components : 'HDA:10ec0269,144dc06a,00100004'
Controls : 13
Simple ctrls : 8
Card1.Amixer.info:
Card hw:1 'NVidia'/'HDA NVidia at 0xddefc000 irq 16'
Mixer name : 'Nvidia GPU 0b HDMI/DP'
Components : 'HDA:10de000b,10de0101,00100100'
Controls : 16
Simple ctrls : 4
Date: Tue Jun 28 13:24:48 2011
HibernationDevice: RESUME=UUID=339679fe-6015-48a0-b9f5-9bdecde05562
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110405)
MachineType: SAMSUNG ELECTRONICS CO., LTD. R530/R730/P530
ProcEnviron:
LANGUAGE=ru_RU:en
PATH=(custom, no user)
LANG=ru_RU.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-10-generic
root=UUID=eae27d1a-6cca-45bb-8c38-d8cdd238b079 ro quiet splash nomodeset
video=uvesafb:mode_option=1377x768-24,mtrr=3,scroll=ywrap vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-2.6.38-10-generic N/A
linux-backports-modules-2.6.38-10-generic N/A
linux-firmware 1.52.1
SourcePackage: linux
UpgradeStatus: Upgraded to natty on 2011-05-04 (54 days ago)
dmi.bios.date: 06/21/2010
dmi.bios.vendor: Phoenix Technologies Ltd.
dmi.bios.version: 04KQ.M007.20100621.KSJ
dmi.board.asset.tag: Tag 12345
dmi.board.name: R530/R730/P530
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnPhoenixTechnologiesLtd.:bvr04KQ.M007.20100621.KSJ:bd06/21/2010:svnSAMSUNGELECTRONICSCO.,LTD.:pnR530/R730/P530:pvrNotApplicable:rvnSAMSUNGELECTRONICSCO.,LTD.:rnR530/R730/P530:rvrNotApplicable:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A:
dmi.product.name: R530/R730/P530
dmi.product.version: Not Applicable
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
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