Mike, 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> Also, could you please test the latest upstream kernel available following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue. Please do not test the daily folder, but the one all the way at the bottom. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags: kernel-fixed-upstream kernel-fixed-upstream-VERSION-NUMBER where VERSION-NUMBER is the version number of the kernel you tested. For example: kernel-fixed-upstream-v3.11-rc7 This can be done by clicking on the yellow circle with a black pencil icon next to the word Tags located at the bottom of the bug description. As well, please remove the tag: needs-upstream-testing If the mainline kernel does not fix this bug, please add the following tags: kernel-bug-exists-upstream kernel-bug-exists-upstream-VERSION-NUMBER As well, please remove the tag: needs-upstream-testing Once testing of the upstream kernel is complete, please mark this bug's Status as Confirmed. Please let us know your results. Thank you for your understanding. ** Tags removed: needs-full-computer-model -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. 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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