From: Alan Stern <stern@rowland.harvard.edu>
To: zenghongling <zhongling0719@126.com>
Cc: gregkh@linuxfoundation.org, linux-usb@vger.kernel.org,
usb-storage@lists.one-eyed-alien.net
Subject: Re: [PATCH] uas: add no-uas quirk for Thinkplus and Hiksemi usb-storage
Date: Wed, 31 Aug 2022 10:33:45 -0400 [thread overview]
Message-ID: <Yw9xSSAse3ATVRtk@rowland.harvard.edu> (raw)
In-Reply-To: <1661930031-21908-1-git-send-email-zhongling0719@126.com>
On Wed, Aug 31, 2022 at 03:13:51PM +0800, zenghongling wrote:
> The UAS mode of Thinkplus and Hiksemi is reported to fail to work on
> several platforms with the following error message:
>
> [ 39.702439] xhci_hcd 0000:0c:00.3: ERROR Transfer event for disabled endpoint or incorrect stream ring
> [ 39.702442] xhci_hcd 0000:0c:00.3: @000000026c61f810 00000000 00000000 1b000000 05038000
>
> And when running iozone will disconnect from the USB controller, then after re-connecting the device
> will be offlined and not working at all.
Are you sure these failures are caused by bugs in the devices and not
by bugs in the xHCI controller or its driver?
What happens if you plug one of these drives into a computer running
Windows or Mac OSX? Do those operating systems avoid using the UAS
protocol with the drive?
Alan Stern
prev parent reply other threads:[~2022-08-31 14:34 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-31 7:13 [PATCH] uas: add no-uas quirk for Thinkplus and Hiksemi usb-storage zenghongling
2022-08-31 7:22 ` Greg KH
[not found] ` <44784fcb.4c24.182f315bb79.Coremail.zhongling0719@126.com>
2022-08-31 9:00 ` Greg KH
2022-08-31 14:33 ` Alan Stern [this message]
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