Re: [PATCH] usb-storage: Add Brain USB3-FW to IGNORE_UAS

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On Mon, Feb 26, 2024 at 03:59:36PM +0800, Tom Hu wrote:
> The UAS mode of BRAIN USB_HDD 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.
> 
> [  622.518442][ 2] sd 8:0:0:0: [sda] tag#17 uas_eh_abort_handler 0 uas-tag 18
>                    inflight: CMD
> [  622.527575][ 2] sd 8:0:0:0: [sda] tag#17 CDB: Write(10) 2a 00 03 6f 88 00 00
>                    04 00 00
> [  622.536330][ 2] sd 8:0:0:0: [sda] tag#0 uas_eh_abort_handler 0 uas-tag 1
>                    inflight: CMD
> [  622.545266][ 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.
> 
> Signed-off-by: Hu Xiaoying <huxiaoying@xxxxxxxxxx>
> 1

What is that 1?

> ---
>  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 1f8c9b16a0fb..98b7ff2c76ba 100644
> --- a/drivers/usb/storage/unusual_uas.h
> +++ b/drivers/usb/storage/unusual_uas.h
> @@ -83,6 +83,13 @@ UNUSUAL_DEV(0x0bc2, 0x331a, 0x0000, 0x9999,
>  		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
>  		US_FL_NO_REPORT_LUNS),
>  
> +/* Reported-by: Tom Hu <huxiaoying@xxxxxxxxxx> */
> +UNUSUAL_DEV(0x1234, 0x1234, 0x0000, 0x9999,

The vendor and product ID values have a suspicious look, but they appear 
to be genuine.

> +		"Brain",
> +		"External HDD",
> +		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
> +		US_FL_IGNORE_UAS),
> +
>  /* Reported-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx> */
>  UNUSUAL_DEV(0x13fd, 0x3940, 0x0000, 0x9999,
>  		"Initio Corporation",
> -- 
> 2.25.1

Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>

Alan Stern




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