Bzzz, this bug was reported a while ago and there hasn't been any activity in it recently. We were wondering if this is still an issue? If so, could you please test for this with the latest development release of Ubuntu? ISO CD images are available from http://cdimage.ubuntu.com/releases/ .
If it remains an issue, 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? It will allow additional upstream developers to examine the issue. Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please do not test the kernel in the daily folder, but the one all the way at the bottom. Once you've tested the upstream kernel, please remove the 'needs-upstream- testing' tag. This can be done by clicking on the yellow pencil icon next to the tag located at the bottom of the bug description and deleting the 'needs-upstream-testing' text. As well, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream', and comment as to why specifically you were unable to test it. Please let us know your results. Thanks in advance. Helpful Bug Reporting Links: https://help.ubuntu.com/community/ReportingBugs#Bug_Reporting_Etiquette https://help.ubuntu.com/community/ReportingBugs#A3._Make_sure_the_bug_hasn.27t_already_been_reported https://help.ubuntu.com/community/ReportingBugs#Adding_Apport_Debug_Information_to_an_Existing_Launchpad_Bug https://help.ubuntu.com/community/ReportingBugs#Adding_Additional_Attachments_to_an_Existing_Launchpad_Bug ** Tags added: needs-upstream-testing ** Description changed: Oh hi, I bet this bug or at least parts of it are already here but suffer minor attention. But it really p***es me off and makes Ubuntu unusable for daily work.... * USB storage is incredibly slow. In my case: A Nokia N900 26GB, a Corsair Flash Voyager 4GB, another OCZ ATV 16GB, Verbatim Store'N'Go 4GB and some other other ones I rarely use and/or are not mine. * cfq scheduler in its current condition is the most stupid thing one can imagine for flash devices. deadline has some advantages, but also isn't acceptable for usb storage * Caching file transfers has idiotic behaviour: 100% I/O consumption and almost Xorg freeze over a few seconds without writing to the device, then starting the write process while reading nothing; after cache is (almost? fully?) empty, another massive read attack is started while stalling the write transfer. Seriously, WTF? Even a 1:1 without caching results in better transfer rates and lower impact on system usability. * Queuing file transfers doesn't work for files that are larger than about 50 MB or 5 seconds write time. Surely everybody has time to move files piece by piece because queuing cannot be used without major performace impact: - * Sometimes single file transfers and almost everytime multi-file transfers result in massive system slowdown; Xorg freezes, reaction times to swith to a tty ~10 seconds and up. System and I/O wait CPU usage have a massive increase. Even WLAN connection seems lost - --- + * Sometimes single file transfers and almost everytime multi-file + transfers result in massive system slowdown; Xorg freezes, reaction + times to swith to a tty ~10 seconds and up. System and I/O wait CPU + usage have a massive increase. Even WLAN connection seems lost + + WORKAROUND: echo madvise > /sys/kernel/mm/transparent_hugepage/defrag + + --- 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: CONEXANT Analog [CONEXANT Analog] - Subdevices: 1/1 - Subdevice #0: subdevice #0 + **** List of CAPTURE Hardware Devices **** + card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog] + Subdevices: 1/1 + Subdevice #0: subdevice #0 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC0: bzzz 16948 F.... pulseaudio + USER PID ACCESS COMMAND + /dev/snd/controlC0: bzzz 16948 F.... pulseaudio Card0.Amixer.info: - Card hw:0 'Intel'/'HDA Intel at 0xfc020000 irq 47' - Mixer name : 'Conexant CX20561 (Hermosa)' - Components : 'HDA:14f15051,17aa211c,00100000' - Controls : 16 - Simple ctrls : 8 + Card hw:0 'Intel'/'HDA Intel at 0xfc020000 irq 47' + Mixer name : 'Conexant CX20561 (Hermosa)' + Components : 'HDA:14f15051,17aa211c,00100000' + Controls : 16 + Simple ctrls : 8 Card29.Amixer.info: - Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 7VHT16WW-1.06' - Mixer name : 'ThinkPad EC 7VHT16WW-1.06' - Components : '' - Controls : 1 - Simple ctrls : 1 + Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 7VHT16WW-1.06' + Mixer name : 'ThinkPad EC 7VHT16WW-1.06' + Components : '' + Controls : 1 + Simple ctrls : 1 Card29.Amixer.values: - Simple mixer control 'Console',0 - Capabilities: pswitch pswitch-joined penum - Playback channels: Mono - Mono: Playback [on] + Simple mixer control 'Console',0 + Capabilities: pswitch pswitch-joined penum + Playback channels: Mono + Mono: Playback [on] DistroRelease: Ubuntu 11.04 HibernationDevice: RESUME=UUID=ab2e99a3-850d-480f-99db-b0711b005ed2 InstallationMedia: Kubuntu 11.04 "Natty Narwhal" - Release amd64 (20110426.3) MachineType: LENOVO 6475VAT Package: linux 2.6.38.11.26 PackageArchitecture: amd64 ProcEnviron: - LANGUAGE=en_GB:en - PATH=(custom, user) - LANG=en_GB.UTF-8 - SHELL=/bin/bash + LANGUAGE=en_GB:en + PATH=(custom, user) + LANG=en_GB.UTF-8 + SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-2.6.38-11-generic root=/dev/mapper/lvmtit-titroot ro elevator=deadline crashkernel=384M-2G:64M,2G-:128M ProcVersionSignature: Ubuntu 2.6.38-11.48-generic 2.6.38.8 RelatedPackageVersions: - linux-restricted-modules-2.6.38-11-generic N/A - linux-backports-modules-2.6.38-11-generic N/A - linux-firmware 1.52 + linux-restricted-modules-2.6.38-11-generic N/A + linux-backports-modules-2.6.38-11-generic N/A + linux-firmware 1.52 Tags: natty Uname: Linux 2.6.38-11-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm admin audio cdrom dialout lpadmin plugdev sambashare dmi.bios.date: 08/02/2010 dmi.bios.vendor: LENOVO dmi.bios.version: 7UET89WW (3.19 ) dmi.board.name: 6475VAT dmi.board.vendor: LENOVO dmi.board.version: Not Available dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvr7UET89WW(3.19):bd08/02/2010:svnLENOVO:pn6475VAT:pvrThinkPadT400:rvnLENOVO:rn6475VAT:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 6475VAT dmi.product.version: ThinkPad T400 dmi.sys.vendor: LENOVO ** Summary changed: - Natty almost freezes on USB transfers / slow transfers / Xorg freeze / caching lunacy + 0421:01c7 Natty almost freezes on USB transfers / slow transfers / Xorg freeze / caching lunacy ** Changed in: linux (Ubuntu) Importance: Undecided => Low ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/837070 Title: 0421:01c7 Natty almost freezes on USB transfers / slow transfers / Xorg freeze / caching lunacy To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/837070/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
