Nov 26 16:14:36 vagrant-ubuntu-trusty-64 kernel: sdb: unknown partition table Nov 26 16:14:35 vagrant-ubuntu-trusty-64 kernel: sd 2:0:0:0: Assuming drive cache: write through Nov 26 16:14:35 vagrant-ubuntu-trusty-64 kernel: sd 2:0:0:0: No Caching mode page found Nov 26 16:14:35 vagrant-ubuntu-trusty-64 kernel: sd 2:0:0:0: Write Protect is off Nov 26 16:14:35 vagrant-ubuntu-trusty-64 kernel: sd 2:0:0:0: Attached scsi generic sg1 type 0 Nov 26 16:14:34 vagrant-ubuntu-trusty-64 kernel: usb-storage 1-1:1.0: USB Mass Storage device detected Nov 26 16:14:34 vagrant-ubuntu-trusty-64 kernel: usb 1-1: Manufacturer: JMicron
USB MASS STORAGE DEVICE DRIVER NOT FOUND SERIES
Nov 26 16:14:34 vagrant-ubuntu-trusty-64 kernel: usb 1-1: Product: JMS56x Series Nov 26 16:14:34 vagrant-ubuntu-trusty-64 kernel: usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=5 Nov 26 16:14:34 vagrant-ubuntu-trusty-64 kernel: usb 1-1: New USB device found, idVendor=152d, idProduct=9561 In Ubuntu 14.04 I get following traces in tail -f /var/log/kern.log when connecting: Nov 26 16:14:34 vagrant-ubuntu-trusty-64 kernel: usb 1-1: new high-speed USB device number 3 using xhci_hcd Nevertheless, the low-level USB device is in fact properly detected. So Ubuntu 16.04 does not behave as expected because the block device /dev/sdb does not show up. Before connectingīefore connecting the disk, I can see sda and its several partitions sda1, sda2 and sda5: ls -l /dev/sd*īrw-rw- 1 root disk 8, 0 Nov 26 10:55 /dev/sdaīrw-rw- 1 root disk 8, 1 Nov 26 10:55 /dev/sda1īrw-rw- 1 root disk 8, 2 Nov 26 10:55 /dev/sda2īrw-rw- 1 root disk 8, 5 Nov 26 10:55 /dev/sda5Īfter connecting, I cannot see in Ubuntu 16.04 any sdb as I could see with the Ubuntu 14.04: ls -l /dev/sd* I tell VirtualBox to connect the JMicron and I do not get any extra block device and this is the main problem. WARNING: apt does not have a stable CLI interface.
USB MASS STORAGE DEVICE DRIVER NOT FOUND INSTALL
I install them via apt install usbutils and after that I get: apt list -installed | grep usb I use the vagrant image config.vm.box = "gbarbieru/xenial" and I don't have the usbutils installed. So Ubuntu 14.04 behaves exactly as expected, as the the block device /dev/sdb shows up. Before connectingīefore connecting the disk, I can see sda and its unique partition sda1: ls -l /dev/sd*īrw-rw- 1 root disk 8, 0 Nov 26 13:06 /dev/sdaīrw-rw- 1 root disk 8, 1 Nov 26 13:06 /dev/sda1Īfter connecting, I can see both sda and sdb (in this case, sdb with no partitions, as expected): ls -l /dev/sd*īrw-rw- 1 root disk 8, 16 Nov 26 16:56 /dev/sdbįdisk gives coherent results with the /dev/sd* listings. I tell VirtualBox to connect the JMicron and I successfully get the block-device as a SCSI disk. Usbutils/trusty,now 1:007-2ubuntu1 amd64 WARNING: apt does not have a stable CLI interface yet. I use the vagrant image config.vm.box = "ubuntu/trusty64" and I already have usbutils installed: apt list -installed | grep usb I want to do the usage of the ZFS from inside Ubuntu 16.04. The drive is not formatted and has no partitions, I plan to use the raw-block device in a pool fo ZFS. In the host, I have a JMicron-based dock with a 1T HD plugged in (chip product JMS56x). One with Ubuntu 14.04 and the other with Ubuntu 16.04. The problem seems to be located in something named usb-storage which in the Ubuntu 14.04 is bridging the USB into the SCSI but seems to be missing in my installation of the Ubuntu 16.04.The block device /dev/sdb shows up in Ubuntu 14.04 (as expected), but does not show up in Ubuntu 16.04 (topic of this question).the USB layer is properly detected both in Ubuntu 14.04 and Ubuntu 16.04 (see the logs below). Virtualization of the USB is identical and I have triple-checked it is not the problem.
Both machines are virtual on the same hardware, so it is not cabling, wiring, power, connection, blah blah.Question: How can I make it show up in Ubuntu 16.04? The block-device of a USB mass storage does not show up in Ubuntu 16.04, while I positively can see it in Ubuntu 14.04.
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