Comment 16 for bug 1693842

On 08/07/2017 11:39 PM, Kai-Heng Feng wrote:
> Probably. Although a quick look at the USB stack difference from
> 4.4.0-78.99 to 4.4.0-89.112, I can't find commits related to this issue.
>
> But feel free to reopen the bug if this happens again.
>
> ** Changed in: linux (Ubuntu)
> Status: Confirmed => Fix Released
>

I don't understand why this is now working.

I am still running 4.12.0-041200rc2.

> uname -a
Linux P9X79 4.12.0-041200rc2-generic #201705212331 SMP Mon May 22
03:32:26 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

> cat /etc/os-release
NAME="Ubuntu"
VERSION="16.04.2 LTS (Xenial Xerus)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 16.04.2 LTS"
VERSION_ID="16.04"
HOME_URL="http://www.ubuntu.com/"
SUPPORT_URL="http://help.ubuntu.com/"
BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"
VERSION_CODENAME=xenial
UBUNTU_CODENAME=xenial

> dmesg -T | tail
[Tue Aug 8 11:40:47 2017] usb 6-1.2.4: USB disconnect, device number 9
[Tue Aug 8 11:40:51 2017] usb 6-1.2.2: new SuperSpeed USB device number
10 using xhci_hcd
[Tue Aug 8 11:40:51 2017] usb 6-1.2.2: New USB device found,
idVendor=1058, idProduct=25e2
[Tue Aug 8 11:40:51 2017] usb 6-1.2.2: New USB device strings: Mfr=2,
Product=3, SerialNumber=1
[Tue Aug 8 11:40:51 2017] usb 6-1.2.2: Product: My Passport 25E2
[Tue Aug 8 11:40:51 2017] usb 6-1.2.2: Manufacturer: Western Digital
[Tue Aug 8 11:40:51 2017] usb 6-1.2.2: SerialNumber:
575853314131374E50323158
[Tue Aug 8 11:40:51 2017] usb-storage 6-1.2.2:1.0: USB Mass Storage
device detected
[Tue Aug 8 11:40:51 2017] usb-storage 6-1.2.2:1.0: Quirks match for vid
1058 pid 25e2: 800000
[Tue Aug 8 11:40:51 2017] scsi host16: usb-storage 6-1.2.2:1.0
[Tue Aug 8 11:40:52 2017] scsi 16:0:0:0: Direct-Access WD My
Passport 25E2 4004 PQ: 0 ANSI: 6
[Tue Aug 8 11:40:52 2017] scsi 16:0:0:1: Enclosure WD SES
Device 4004 PQ: 0 ANSI: 6
[Tue Aug 8 11:40:52 2017] sd 16:0:0:0: Attached scsi generic sg7 type 0
[Tue Aug 8 11:40:52 2017] ses 16:0:0:1: Attached Enclosure device
[Tue Aug 8 11:40:52 2017] ses 16:0:0:1: Attached scsi generic sg8 type 13
[Tue Aug 8 11:40:52 2017] sd 16:0:0:0: [sdf] Spinning up disk...
[Tue Aug 8 11:40:53 2017] .
[Tue Aug 8 11:40:54 2017] .
[Tue Aug 8 11:40:55 2017] .
[Tue Aug 8 11:40:56 2017] .
[Tue Aug 8 11:40:57 2017] .
[Tue Aug 8 11:40:58 2017] .
[Tue Aug 8 11:40:58 2017] ready
[Tue Aug 8 11:40:58 2017] sd 16:0:0:0: [sdf] 3906963456 512-byte
logical blocks: (2.00 TB/1.82 TiB)
[Tue Aug 8 11:40:58 2017] sd 16:0:0:0: [sdf] Write Protect is off
[Tue Aug 8 11:40:58 2017] sd 16:0:0:0: [sdf] Mode Sense: 47 00 10 08
[Tue Aug 8 11:40:58 2017] sd 16:0:0:0: [sdf] No Caching mode page found
[Tue Aug 8 11:40:58 2017] sd 16:0:0:0: [sdf] Assuming drive cache:
write through
[Tue Aug 8 11:40:58 2017] sdf: sdf1
[Tue Aug 8 11:40:58 2017] sd 16:0:0:0: [sdf] Attached SCSI disk

Tom Dean