It's very odd that other USB 3.0 device does not have this problem. My roommate USB 3.0 hard disk works well on my computer.
But why My USB 3.0 flash storage and USB 3.0 hard disk cause this issue. troller Is this issue only happen with some specific hardware : specific USB 3.0 controller chip or USB 3.0 device that suppots USB Attached SCSI Protocol(UASP) Because My Hard disk is "ASMedia 2105" chip. But Why My USB 3.0 flash occurs this problem too, I have no ieda... -- 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/1441104 Title: USB 3.0 storage safely remove issue: re-detect the device(that I have removed already) soon Status in linux package in Ubuntu: Confirmed Bug description: I have a USB 3.0 Hard Disk, a USB 3.0 Flash storage, and a 4GB micro SD with USB 2.0 SD card. When I unmount devices, they still show up when I execute the command. For example, when I plug in my USB 3.0 flash storage to my PC's USB 3.0 port: $ df -h ... /dev/sdc1 30G 17G 13G 57% /media/chen/MyFlash I ummount it and safely remove it, and run df -h, you will see it: $ sudo umount /dev/sdc1 ... $ sudo udisks --detach /dev/sdc $ df -h ... /dev/sdc1 30G 17G 13G 57% /media/chen/MyFlash (4)Oops, The issue is an nightmare!! :( Please see the log ) $ sudo lspci -vnvn > lspci-vnvn.usbstorage_usb3.0.log ======================================================== The behavior of my USB 3.0 Hard disk is same. (1) I plug in my USB 3.0 Hard disk to my pc's USB 3.0 port( the same port ). (2) My computer detect my storage soon and automatically mount it. $ df -h ... /dev/sdc1 932G 205M 932G 1% /media/chen/陈家胜 (3) I ummount it and safely remove it, and run df -h, you will see it: $ sudo umount /dev/sdc1 [sudo] password for chen: ... $ sudo udisks --detach /dev/sdc $ df -h ... /dev/sdc1 932G 205M 932G 1% /media/chen/陈家胜 (4) :( Please see the log: $ sudo lspci -vnvn > lspci-vnvn.usbharddisk_usb3.0.log (5)And I just realize lspci have no information usb storage, so: $ lsusb > lsusb3.0harddisk.log (6)I unplug my HD and plug in my storage. $ lsusb > lsusb3.0storage.log ===================================================================================== And Have a try that plug in my micro sd card with card reader to USB 3.0 port( the same port ): (1) plug in my micro sd card , and : $ df -h ... /dev/sdd4 3.7G 38M 3.7G 2% /media/chen/DiskGenius (2) lsusb: $ lsusb ( because i plug in my USB Storage to another usb 3.0 port, so my sd card is /dev/sdd4 ) ( Why i plug in my USB Storage is that i want get string of "Teclast CoolFlash USB3.0" ) ( from gnome-disks And I forgot unplug it...) Bus 002 Device 002: ID 8087:8000 Intel Corp. Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:8008 Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 013: ID 13fe:5500 Kingston Technology Company Inc. Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 004: ID 8087:07dc Intel Corp. Bus 003 Device 003: ID 1a86:7523 QinHeng Electronics HL-340 USB-Serial adapter Bus 003 Device 002: ID 24ae:2000 Bus 003 Device 008: ID 05e3:0723 Genesys Logic, Inc. GL827L SD/MMC/MS Flash Card Reader Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub (3)And then unmount and safely remove my sd card and ... : chen@chen-Server:~/bug$ df -h 文件系统 容量 已用 可用 已用% 挂载点 ... /dev/sdd4 3.7G 38M 3.7G 2% /media/chen/DiskGenius chen@chen-Server:~/bug$ lsusb Bus 002 Device 002: ID 8087:8000 Intel Corp. Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:8008 Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 013: ID 13fe:5500 Kingston Technology Company Inc. Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 004: ID 8087:07dc Intel Corp. Bus 003 Device 003: ID 1a86:7523 QinHeng Electronics HL-340 USB-Serial adapter Bus 003 Device 002: ID 24ae:2000 Bus 003 Device 008: ID 05e3:0723 Genesys Logic, Inc. GL827L SD/MMC/MS Flash Card Reader Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub chen@chen-Server:~/bug$ sudo umount /dev/sdd4 [sudo] password for chen: chen@chen-Server:~/bug$ sudo udisks --detach /dev/sdc chen@chen-Server:~/bug$ sudo udisks --detach /dev/sdd chen@chen-Server:~/bug$ lsusb Bus 002 Device 002: ID 8087:8000 Intel Corp. Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:8008 Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 014: ID 13fe:5500 Kingston Technology Company Inc. Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 004: ID 8087:07dc Intel Corp. Bus 003 Device 003: ID 1a86:7523 QinHeng Electronics HL-340 USB-Serial adapter Bus 003 Device 002: ID 24ae:2000 Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub (You can see I did a mistake, I udisks --detach /dev/sdc ... I hopt that not distract you ...) (And the led of card reader if off ) =================================================================================================== let's see what happen when I plug in my USB3.0 Flash Storage into USB 2.0 port: (1)Plug in USB 3.0 Flash storage into USB 2.0 port chen@chen-Server:~/bug$ df -h 文件系统 容量 已用 可用 已用% 挂载点 ... /dev/sdc1 30G 17G 13G 57% /media/chen/MyFlash chen@chen-Server:~/bug$ lsusb Bus 002 Device 002: ID 8087:8000 Intel Corp. Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:8008 Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 009: ID 8087:07dc Intel Corp. Bus 003 Device 003: ID 1a86:7523 QinHeng Electronics HL-340 USB-Serial adapter Bus 003 Device 002: ID 24ae:2000 Bus 003 Device 010: ID 13fe:5500 Kingston Technology Company Inc. Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub (2)And unmount and safely remove it: chen@chen-Server:~/bug$ sudo umount /dev/sdc1 chen@chen-Server:~/bug$ sudo udisks --detach /dev/sdc chen@chen-Server:~/bug$ lsusb Bus 002 Device 002: ID 8087:8000 Intel Corp. Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:8008 Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 009: ID 8087:07dc Intel Corp. Bus 003 Device 003: ID 1a86:7523 QinHeng Electronics HL-340 USB-Serial adapter Bus 003 Device 002: ID 24ae:2000 Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub chen@chen-Server:~/bug$ (The led of FLASH storage is off) ================================================= I have a try again: I push in USB 3.0 Flash storage into USB 3.0 Port. I unmount and safely remove it. The led of Flash Storage ==> on ==> off =(after 0.7 second)=> on. This operation , I won't do it on my Hard Disk...... and it seem some problems with my hard disk [ASMedia Technology Inc. ASMedia 2105 SATA bridge] between usb 2.0 driver ;) --- ApportVersion: 2.14.1-0ubuntu3.8 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: chen 1921 F.... pulseaudio /dev/snd/controlC0: chen 1921 F.... pulseaudio CurrentDesktop: Unity DistroRelease: Ubuntu 14.04 InstallationDate: Installed on 2014-12-18 (109 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) MachineType: MSI MS-7851 Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-48-generic root=UUID=12124a3b-f21c-46ab-a265-b1f37918e964 ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 3.13.0-48.80-generic 3.13.11-ckt16 RelatedPackageVersions: linux-restricted-modules-3.13.0-48-generic N/A linux-backports-modules-3.13.0-48-generic N/A linux-firmware 1.127.11 Tags: trusty Uname: Linux 3.13.0-48-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 07/17/2014 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: V3.6 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: B85I (MS-7851) dmi.board.vendor: MSI dmi.board.version: 1.0 dmi.chassis.asset.tag: To be filled by O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: MSI dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV3.6:bd07/17/2014:svnMSI:pnMS-7851:pvr1.0:rvnMSI:rnB85I(MS-7851):rvr1.0:cvnMSI:ct3:cvr1.0: dmi.product.name: MS-7851 dmi.product.version: 1.0 dmi.sys.vendor: MSI To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1441104/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
