The UAS mode of Hiksemi is reported to fail to work on several platforms with the following error message, then after re-connecting the device will be offlined and not working at all. [ 592.518442][ 2] sd 8:0:0:0: [sda] tag#17 uas_eh_abort_handler 0 uas-tag 18 inflight: CMD [ 592.527575][ 2] sd 8:0:0:0: [sda] tag#17 CDB: Write(10) 2a 00 03 6f 88 00 00 04 00 00 [ 592.536330][ 2] sd 8:0:0:0: [sda] tag#0 uas_eh_abort_handler 0 uas-tag 1 inflight: CMD [ 592.545266][ 2] sd 8:0:0:0: [sda] tag#0 CDB: Write(10) 2a 00 07 44 1a 88 00 00 08 00 These disks have a broken uas implementation, the tag field of the status iu-s is not set properly,so we need to fall-back to usb-storage. Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Hongling Zeng <zenghongling@xxxxxxxxxx> --- change for v1 -Change the email real name Change for v2 -Change spelling error Change for v3 -Add Acked-by Change for v4 -Fix version error Change for v5 -change version Change for v6 -Change the git message for patch 3 --- drivers/usb/storage/unusual_uas.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h index cdff7dc..a6bf87a 100644 --- a/drivers/usb/storage/unusual_uas.h +++ b/drivers/usb/storage/unusual_uas.h @@ -62,6 +62,13 @@ UNUSUAL_DEV(0x059f, 0x1061, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_IGNORE_UAS), +/* Reported-by: Hongling Zeng <zenghongling@xxxxxxxxxx> */ +UNUSUAL_DEV(0x090c, 0x2000, 0x0000, 0x9999, + "Hiksemi", + "External HDD", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_IGNORE_UAS), + /* * Apricorn USB3 dongle sometimes returns "USBSUSBSUSBS" in response to SCSI * commands in UAS mode. Observed with the 1.28 firmware; are there others? -- 2.1.0