** Information type changed from Private Security to Public Security -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-lts-trusty in Ubuntu. https://bugs.launchpad.net/bugs/1487016
Title: Removing EXT3 USB key while unmounting left system stuck Status in linux-lts-trusty package in Ubuntu: New Bug description: When ejecting and then removing an USB stick using an EXT3 fs in the short interval before it is completely unmounted, "umount" gets stuck at 100% CPU load. The process cannot be killed, even with signal 9 (KILL). Any attempt to mount an storage device results in an error. Any USB device plugged afterwards is not mounted, the system would not enter standby and would stuck on reboot or shutdown. Not shutting down or enter suspend may expose security risks, as encrypted filesystems may stay open and screen locks fail to lock. Despite this, the system works normally. Kernel exposing this bug: 3.13.0-62-generic ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.13.0-62-generic 3.13.0-62.102~precise1 ProcVersionSignature: Ubuntu 3.13.0-62.102~precise1-generic 3.13.11-ckt24 Uname: Linux 3.13.0-62-generic x86_64 AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.13.0-62-generic. AplayDevices: **** List of PLAYBACK Hardware Devices **** card 0: PCH [HDA Intel PCH], device 0: CX20590 Analog [CX20590 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 ApportVersion: 2.0.1-0ubuntu17.9 Architecture: amd64 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: PCH [HDA Intel PCH], device 0: CX20590 Analog [CX20590 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: dronus 2639 F.... pulseaudio CRDA: country DE: (2400 - 2483 @ 40), (N/A, 20) (5150 - 5250 @ 40), (N/A, 20), NO-OUTDOOR (5250 - 5350 @ 40), (N/A, 20), NO-OUTDOOR, DFS (5470 - 5725 @ 40), (N/A, 26), DFS Card0.Amixer.info: Card hw:0 'PCH'/'HDA Intel PCH at 0xf2a20000 irq 53' Mixer name : 'Conexant CX20590' Components : 'HDA:14f1506e,17aa21d2,00100000' Controls : 21 Simple ctrls : 10 Card29.Amixer.info: Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw unknown' Mixer name : 'ThinkPad EC (unknown)' 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] Date: Thu Aug 20 14:39:11 2015 EcryptfsInUse: Yes HibernationDevice: RESUME=UUID=6ccee672-78cd-4314-817e-edc6c8e72563 InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425) MachineType: LENOVO 4173W1J MarkForUpload: True ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-62-generic root=UUID=44f71bef-2898-4ffa-bc57-631db5e42ca7 ro splash quiet RelatedPackageVersions: linux-restricted-modules-3.13.0-62-generic N/A linux-backports-modules-3.13.0-62-generic N/A linux-firmware 1.79.18 RfKill: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no SourcePackage: linux-lts-trusty UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/14/2011 dmi.bios.vendor: LENOVO dmi.bios.version: 8CET49WW (1.29 ) dmi.board.asset.tag: Not Available dmi.board.name: 4173W1J 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:bvr8CET49WW(1.29):bd09/14/2011:svnLENOVO:pn4173W1J:pvrThinkPadT420s:rvnLENOVO:rn4173W1J:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 4173W1J dmi.product.version: ThinkPad T420s dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lts-trusty/+bug/1487016/+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