running with 4.17 rc2 mainline gives me this callstack [Apr29 12:17] usb 4-2: reset SuperSpeed USB device number 2 using xhci_hcd [Apr29 12:19] INFO: task pool:3929 blocked for more than 120 seconds. [ +0.000005] Not tainted 4.17.0-041700rc2-generic #201804230622 [ +0.000001] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ +0.000002] pool D 0 3929 1 0x00000000 [ +0.000004] Call Trace: [ +0.000008] __schedule+0x28e/0x830 [ +0.000005] ? enqueue_task_fair+0xdc/0x850 [ +0.000005] ? get_work_pool+0x40/0x40 [ +0.000003] schedule+0x2c/0x80 [ +0.000004] schedule_timeout+0x1db/0x360 [ +0.000004] ? ttwu_do_activate+0x77/0x80 [ +0.000003] ? get_work_pool+0x40/0x40 [ +0.000002] wait_for_completion+0xba/0x140 [ +0.000003] ? wake_up_q+0x80/0x80 [ +0.000004] flush_work+0x127/0x1e0 [ +0.000003] ? worker_detach_from_pool+0xa0/0xa0 [ +0.000003] __cancel_work_timer+0x131/0x1b0 [ +0.000005] ? exact_lock+0x11/0x20 [ +0.000003] cancel_delayed_work_sync+0x13/0x20 [ +0.000003] disk_block_events+0x78/0x80 [ +0.000005] __blkdev_get+0x73/0x510 [ +0.000005] blkdev_get+0x22e/0x340 [ +0.000005] ? mntput+0x24/0x40 [ +0.000003] ? path_put+0x1e/0x30 [ +0.000003] blkdev_get_by_path+0x53/0x90 [ +0.000003] mount_bdev+0x44/0x1b0 [ +0.000004] ? hfsplus_iget+0x210/0x210 [hfsplus] [ +0.000004] hfsplus_mount+0x15/0x20 [hfsplus] [ +0.000002] mount_fs+0x37/0x150 [ +0.000004] vfs_kern_mount.part.25+0x5d/0x110 [ +0.000002] do_mount+0x5ed/0xce0 [ +0.000002] ? copy_mount_options+0x2c/0x220 [ +0.000003] ksys_mount+0x98/0xe0 [ +0.000002] __x64_sys_mount+0x25/0x30 [ +0.000004] do_syscall_64+0x5a/0x120 [ +0.000003] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ +0.000003] RIP: 0033:0x7f5aa3c653ca [ +0.000002] RSP: 002b:00007f5a8f1fb2a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ +0.000003] RAX: ffffffffffffffda RBX: 00007f5a84008bb0 RCX: 00007f5aa3c653ca [ +0.000001] RDX: 00007f5a84008520 RSI: 00007f5a84008d90 RDI: 00007f5a84008540 [ +0.000002] RBP: 0000000000000000 R08: 00007f5a84008dc0 R09: 00007f5a8400864f [ +0.000002] R10: 00000000c0ed0006 R11: 0000000000000202 R12: 00007f5a84008540 [ +0.000001] R13: 00007f5a84008520 R14: 0000000000000000 R15: 00007f5aa55c88a4
i suspect it's related to the hfsplus partition that's on the harddrive -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/1767738 Title: USB external harddrive hang Status in linux-signed package in Ubuntu: New Bug description: I have a powered external usb harddrive https://www.bestbuy.ca/en-ca/product/western-digital-wd-my-book-4tb-2-5-usb-3-0-external-hard-drive-wdbbgb0040hbk-nesn-wdbbgb0040hbk-nesn/10482142.aspx which i'm trying to mount. connecting it shows in dmesg that it's picking up on a usb device. after some time, it reports that a bunch of kernel tasks hung with some callstacks I first encountered this bug on a raspberry pi by running an upgrade (i can't remember the original version but it use to work) I then figured that i should check if the problem is also on my ubuntu machine running 16.04. it did i then upgraded to 17.10 and the problem was still there. i then tested on 18.04 and the problem is still there. running fdisk -l, blkid, parted, etc never finishes ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-4.15.0-20-generic 4.15.0-20.21 ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17 Uname: Linux 4.15.0-20-generic x86_64 ApportVersion: 2.20.9-0ubuntu7 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Sat Apr 28 20:27:26 2018 InstallationDate: Installed on 2015-08-06 (996 days ago) InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1) SourcePackage: linux-signed UpgradeStatus: Upgraded to bionic on 2018-04-28 (0 days ago) --- ApportVersion: 2.20.9-0ubuntu7 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: fcoulombe 2930 F.... pulseaudio /dev/snd/controlC1: fcoulombe 2930 F.... pulseaudio CurrentDesktop: ubuntu:GNOME DistroRelease: Ubuntu 18.04 HibernationDevice: RESUME=UUID=65c5f96f-bc21-4d1f-8253-82cb3117fbb6 InstallationDate: Installed on 2015-08-06 (996 days ago) InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1) MachineType: LENOVO 20378 Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-20-generic root=UUID=c01a4e9a-489b-4b14-bd79-ce1cefb2f318 ro quiet splash vt.handoff=1 ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17 RelatedPackageVersions: linux-restricted-modules-4.15.0-20-generic N/A linux-backports-modules-4.15.0-20-generic N/A linux-firmware 1.173 Tags: bionic Uname: Linux 4.15.0-20-generic x86_64 UpgradeStatus: Upgraded to bionic on 2018-04-28 (0 days ago) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 02/11/2015 dmi.bios.vendor: LENOVO dmi.bios.version: 9ECN37WW(V2.01) dmi.board.asset.tag: 31900058WIN dmi.board.name: Lenovo Y50-70 dmi.board.vendor: LENOVO dmi.board.version: 31900058WIN dmi.chassis.asset.tag: 31900058WIN dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Lenovo Y50-70 dmi.modalias: dmi:bvnLENOVO:bvr9ECN37WW(V2.01):bd02/11/2015:svnLENOVO:pn20378:pvrLenovoY50-70:rvnLENOVO:rnLenovoY50-70:rvr31900058WIN:cvnLENOVO:ct10:cvrLenovoY50-70: dmi.product.family: IDEAPAD dmi.product.name: 20378 dmi.product.version: Lenovo Y50-70 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1767738/+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