On 08/03/2017 10:54 PM, Kai-Heng Feng wrote: > Okay, I just found a hub with the same VIA chip inside. > Remote wakeup works when autosuspend is enabled. > > Hub like this generally can connect to auxiliary power cord. Does power > cord connection make any difference? >
I upgraded the system by apt-get dist-upgrade and rebooted. Now, the WD drive is recognized when plugged into the USB 3.0 powered Hub. Dump completed without error. Unmount and disconnect the drive. Wait a few seconds. Reconnect the drive. In dmesg, the drive is seen, but, it takes several seconds before it is fully recognized. Repeated the umount and disconnect several times. Each time, it took a few seconds, but, the drive was recognized and I was able to mount it. > dmesg -T | tail [Mon Aug 7 20:35:26 2017] usb 6-1.2.4: USB disconnect, device number 8 [Mon Aug 7 20:35:29 2017] usb 6-1.2.4: new SuperSpeed USB device number 9 using xhci_hcd [Mon Aug 7 20:35:29 2017] usb 6-1.2.4: New USB device found, idVendor=1058, idProduct=25e2 [Mon Aug 7 20:35:29 2017] usb 6-1.2.4: New USB device strings: Mfr=2, Product=3, SerialNumber=1 [Mon Aug 7 20:35:29 2017] usb 6-1.2.4: Product: My Passport 25E2 [Mon Aug 7 20:35:29 2017] usb 6-1.2.4: Manufacturer: Western Digital [Mon Aug 7 20:35:29 2017] usb 6-1.2.4: SerialNumber: 575853314131374E50323158 [Mon Aug 7 20:35:29 2017] usb-storage 6-1.2.4:1.0: USB Mass Storage device detected [Mon Aug 7 20:35:29 2017] usb-storage 6-1.2.4:1.0: Quirks match for vid 1058 pid 25e2: 800000 [Mon Aug 7 20:35:29 2017] scsi host16: usb-storage 6-1.2.4:1.0 [Mon Aug 7 20:35:30 2017] scsi 16:0:0:0: Direct-Access WD My Passport 25E2 4004 PQ: 0 ANSI: 6 [Mon Aug 7 20:35:30 2017] scsi 16:0:0:1: Enclosure WD SES Device 4004 PQ: 0 ANSI: 6 [Mon Aug 7 20:35:30 2017] sd 16:0:0:0: Attached scsi generic sg7 type 0 [Mon Aug 7 20:35:30 2017] ses 16:0:0:1: Attached Enclosure device [Mon Aug 7 20:35:30 2017] ses 16:0:0:1: Attached scsi generic sg8 type 13 [Mon Aug 7 20:35:30 2017] sd 16:0:0:0: [sdf] Spinning up disk... [Mon Aug 7 20:35:31 2017] . [Mon Aug 7 20:35:32 2017] . [Mon Aug 7 20:35:33 2017] . [Mon Aug 7 20:35:34 2017] . [Mon Aug 7 20:35:34 2017] ready [Mon Aug 7 20:35:34 2017] sd 16:0:0:0: [sdf] 3906963456 512-byte logical blocks: (2.00 TB/1.82 TiB) [Mon Aug 7 20:35:34 2017] sd 16:0:0:0: [sdf] Write Protect is off [Mon Aug 7 20:35:34 2017] sd 16:0:0:0: [sdf] Mode Sense: 47 00 10 08 [Mon Aug 7 20:35:34 2017] sd 16:0:0:0: [sdf] No Caching mode page found [Mon Aug 7 20:35:34 2017] sd 16:0:0:0: [sdf] Assuming drive cache: write through [Mon Aug 7 20:35:34 2017] sdf: sdf1 [Mon Aug 7 20:35:34 2017] sd 16:0:0:0: [sdf] Attached SCSI disk Maybe it safe to close this report???? Tom Dean -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1693842 Title: USB 3.0 Disk Drive Not Recognized. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1693842/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
