Oct 1 18:32:37 wacko kernel: [257893.680902] sd 6:0:0:0: [sdc] tag#0 uas_eh_abort_handler 0 uas-tag 1 inflight: CMD IN
Oct 1 18:32:37 wacko kernel: [257893.680907] sd 6:0:0:0: [sdc] tag#0 CDB: Read(10) 28 00 1d 1c 58 80 00 00 08 00
Oct 1 18:32:37 wacko kernel: [257893.680957] scsi host6: uas_eh_bus_reset_handler start
Oct 1 18:32:37 wacko kernel: sd 6:0:0:0: [sdc] tag#0 uas_eh_abort_handler 0 uas-tag 1 inflight: CMD IN
Oct 1 18:32:37 wacko kernel: sd 6:0:0:0: [sdc] tag#0 CDB: Read(10) 28 00 1d 1c 58 80 00 00 08 00
Oct 1 18:32:37 wacko kernel: scsi host6: uas_eh_bus_reset_handler start
Oct 1 18:32:37 wacko kernel: [257893.847751] usb 4-2: reset SuperSpeed USB device number 2 using xhci_hcd
Oct 1 18:32:37 wacko kernel: usb 4-2: reset SuperSpeed USB device number 2 using xhci_hcd
Oct 1 18:32:42 wacko kernel: [257898.858136] usb 4-2: device descriptor read/8, error -110
Oct 1 18:32:42 wacko kernel: usb 4-2: device descriptor read/8, error -110
Oct 1 18:32:42 wacko kernel: [257898.959042] usb 4-2: reset SuperSpeed USB device number 2 using xhci_hcd
Oct 1 18:32:42 wacko kernel: usb 4-2: reset SuperSpeed USB device number 2 using xhci_hcd
Oct 1 18:32:47 wacko kernel: [257903.970129] usb 4-2: device descriptor read/8, error -110
Oct 1 18:32:47 wacko kernel: usb 4-2: device descriptor read/8, error -110
Oct 1 18:32:47 wacko kernel: [257904.122216] scsi host6: uas_post_reset: alloc streams error -19 after reset
Oct 1 18:32:47 wacko kernel: [257904.122225] usb 4-2: USB disconnect, device number 2
Oct 1 18:32:47 wacko kernel: scsi host6: uas_post_reset: alloc streams error -19 after reset
Oct 1 18:32:47 wacko kernel: usb 4-2: USB disconnect, device number 2
Oct 1 18:32:47 wacko kernel: [257904.125987] sd 6:0:0:0: [sdc] Synchronizing SCSI cache
Oct 1 18:32:47 wacko kernel: sd 6:0:0:0: [sdc] Synchronizing SCSI cache
Ubuntu bug:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1591521
Similar but not exactly the same:
https://bbs.archlinux.org/viewtopic.php?id=215780
Possibly related to this commit:
https://github.com/torvalds/linux/commit/616f0e6cab4698309ff9e48ee2a85b5eb78cf31a
UAS wiki:
https://en.wikipedia.org/wiki/USB_Attached_SCSI
SCSI EH info:
https://www.kernel.org/doc/Documentation/scsi/scsi_eh.txt
http://events.linuxfoundation.org/sites/events/files/slides/SCSI-EH.pdf
Could try USB passthrough on vagrant:
https://github.com/vagrant-libvirt/vagrant-libvirt
dev.scsi.logging_level:
http://cateee.net/lkddb/web-lkddb/SCSI_LOGGING.html