** Description changed: - This chipset is still buggy in Ubuntu 12.04. + I recently installed Ubuntu 12.04 LTS with all the updates. I have an + external wireless card with a rtl8187b chipset. I discovered that the + card manages to transfer at full speed after for a bit, but slows down + again after a minute or so. I've already faced this problem in Ubuntu + 11.04 and 11.10. + + dan@ubuntu:~$ uname -a + Linux ubuntu 3.2.0-24-generic-pae #37-Ubuntu SMP Wed Apr 25 10:47:59 UTC 2012 i686 i686 i386 GNU/Linux + + dan@ubuntu:~$ modprobe --show-depends rtl8187 + insmod /lib/modules/3.2.0-24-generic-pae/kernel/drivers/misc/eeprom/eeprom_93cx6.ko + insmod /lib/modules/3.2.0-24-generic-pae/kernel/net/wireless/cfg80211.ko + insmod /lib/modules/3.2.0-24-generic-pae/kernel/net/mac80211/mac80211.ko + insmod /lib/modules/3.2.0-24-generic-pae/kernel/drivers/net/wireless/rtl818x/rtl8187/rtl8187.ko ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.2.0-24-generic-pae 3.2.0-24.37 ProcVersionSignature: Ubuntu 3.2.0-24.37-generic-pae 3.2.14 Uname: Linux 3.2.0-24-generic-pae i686 NonfreeKernelModules: wl AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. AplayDevices: - **** List of PLAYBACK Hardware Devices **** - card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog] - Subdevices: 1/1 - Subdevice #0: subdevice #0 + **** List of PLAYBACK Hardware Devices **** + card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog] + Subdevices: 1/1 + Subdevice #0: subdevice #0 ApportVersion: 2.0.1-0ubuntu7 Architecture: i386 ArecordDevices: - **** List of CAPTURE Hardware Devices **** - card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog] - Subdevices: 2/2 - Subdevice #0: subdevice #0 - Subdevice #1: subdevice #1 + **** List of CAPTURE Hardware Devices **** + card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog] + Subdevices: 2/2 + Subdevice #0: subdevice #0 + Subdevice #1: subdevice #1 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC0: dan 1463 F.... pulseaudio + USER PID ACCESS COMMAND + /dev/snd/controlC0: dan 1463 F.... pulseaudio Card0.Amixer.info: - Card hw:0 'Intel'/'HDA Intel at 0xe8280000 irq 45' - Mixer name : 'Analog Devices AD1984A' - Components : 'HDA:11d4194a,103c3632,00100400' - Controls : 18 - Simple ctrls : 11 + Card hw:0 'Intel'/'HDA Intel at 0xe8280000 irq 45' + Mixer name : 'Analog Devices AD1984A' + Components : 'HDA:11d4194a,103c3632,00100400' + Controls : 18 + Simple ctrls : 11 Date: Sun May 6 15:45:56 2012 HibernationDevice: RESUME=UUID=8da25f7f-ed90-4ad4-b31a-721e1f9a5cff InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423) MachineType: Hewlett-Packard HP Mini 5101 ProcEnviron: - TERM=xterm - PATH=(custom, no user) - LANG=en_US.UTF-8 - SHELL=/bin/bash + TERM=xterm + PATH=(custom, no user) + LANG=en_US.UTF-8 + SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-24-generic-pae root=UUID=057c27c4-09aa-4c3b-94b1-80113e95c983 ro quiet splash vt.handoff=7 RelatedPackageVersions: - linux-restricted-modules-3.2.0-24-generic-pae N/A - linux-backports-modules-3.2.0-24-generic-pae N/A - linux-firmware 1.79 + linux-restricted-modules-3.2.0-24-generic-pae N/A + linux-backports-modules-3.2.0-24-generic-pae N/A + linux-firmware 1.79 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 07/06/2009 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: 68DGI Ver. F.01 dmi.board.name: 3632 dmi.board.vendor: Hewlett-Packard dmi.board.version: KBC Version 34.0F dmi.chassis.asset.tag: CNU934B5WF dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.modalias: dmi:bvnHewlett-Packard:bvr68DGIVer.F.01:bd07/06/2009:svnHewlett-Packard:pnHPMini5101:pvrF.01:rvnHewlett-Packard:rn3632:rvrKBCVersion34.0F:cvnHewlett-Packard:ct10:cvr: dmi.product.name: HP Mini 5101 dmi.product.version: F.01 dmi.sys.vendor: Hewlett-Packard
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