Public bug reported:
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.
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1886366
Title:
USB External Drive Stalls and Timeouts
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