I mentioned this was the kernel but this should give you the required info. If you need something else let me know. I've disabled legacy usb support in the bios so I'm also seeing if that's a issue as well.
** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- 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/1886366 Title: USB External Drive Stalls and Timeouts Status in linux package in Ubuntu: Confirmed Bug description: Not sure of the package naming for the Linux Kernel. However since version 4.15.0.28 I've been getting timeouts like this in dmesg: [63075.835488] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [63075.835491] scsi_eh_7 D 0 273 2 0x80004000 [63075.835494] Call Trace: [63075.835504] __schedule+0x2b9/0x6c0 [63075.835507] schedule+0x42/0xb0 [63075.835510] schedule_preempt_disabled+0xe/0x10 [63075.835513] __mutex_lock.isra.0+0x182/0x4f0 [63075.835515] ? __switch_to_asm+0x40/0x70 [63075.835517] ? __switch_to_asm+0x34/0x70 [63075.835519] ? __switch_to_asm+0x34/0x70 [63075.835520] ? __switch_to_asm+0x40/0x70 [63075.835523] __mutex_lock_slowpath+0x13/0x20 [63075.835526] mutex_lock+0x2e/0x40 [63075.835531] device_reset+0x22/0x50 [usb_storage] [63075.835535] scsi_eh_ready_devs+0x56c/0xa30 [63075.835540] ? __pm_runtime_resume+0x60/0x80 [63075.835543] scsi_error_handler+0x432/0x500 [63075.835548] kthread+0x104/0x140 [63075.835550] ? scsi_eh_get_sense+0x210/0x210 [63075.835553] ? kthread_park+0x80/0x80 [63075.835555] ret_from_fork+0x35/0x40 The drive works fine on kernels 4.15.0.28 and older. --- ProblemType: Bug ApportVersion: 2.20.11-0ubuntu27.4 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: nick 2943 F.... pulseaudio /dev/snd/controlC0: nick 2943 F.... pulseaudio CasperMD5CheckResult: skip DistroRelease: Ubuntu 20.04 HibernationDevice: RESUME=UUID=2e62fe89-0a58-42ff-95bd-80760e43753b InstallationDate: Installed on 2014-12-31 (2014 days ago) InstallationMedia: Lubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) IwConfig: eth0 no wireless extensions. lo no wireless extensions. MachineType: System manufacturer System Product Name NonfreeKernelModules: nvidia_modeset nvidia Package: linux (not installed) ProcFB: 0 VESA VGA ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-40-generic root=UUID=f21814d2-6d82-426b-a5e0-cb4734f1a929 ro quiet splash init=/lib/systemd/systemd vt.handoff=7 ProcVersionSignature: Ubuntu 5.4.0-40.44-generic 5.4.44 RelatedPackageVersions: linux-restricted-modules-5.4.0-40-generic N/A linux-backports-modules-5.4.0-40-generic N/A linux-firmware 1.187.1 RfKill: Tags: focal Uname: Linux 5.4.0-40-generic x86_64 UpgradeStatus: Upgraded to focal on 2020-06-29 (7 days ago) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 01/17/2012 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 3506 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: P8Z68-V LE dmi.board.vendor: ASUSTeK Computer INC. dmi.board.version: Rev X.0x dmi.chassis.asset.tag: Asset-1234567890 dmi.chassis.type: 3 dmi.chassis.vendor: Chassis Manufacture dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr3506:bd01/17/2012:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP8Z68-VLE:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion: dmi.product.family: To be filled by O.E.M. dmi.product.name: System Product Name dmi.product.sku: SKU dmi.product.version: System Version dmi.sys.vendor: System manufacturer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1886366/+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