From: Sandeep Singh <ssingh1@amd.com>
To: Mathias Nyman <mathias.nyman@linux.intel.com>,
Sandeep Singh <Sandeep.Singh@amd.com>,
linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
gregkh@linuxfoundation.org, mathias.nyman@intel.com
Cc: Nehal Shah <Nehal-bakulchandra.Shah@amd.com>,
Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Subject: Re: [PATCH] xhci: Add check for invalid byte size error when UAS devices are connected.
Date: Tue, 25 Sep 2018 14:44:42 +0530 [thread overview]
Message-ID: <4ccf6cbc-cdf6-c6f0-486d-b971837d1c8a@amd.com> (raw)
In-Reply-To: <58201720-ee34-a866-b177-084b9f36c40c@linux.intel.com>
On 9/24/2018 6:39 PM, Mathias Nyman wrote:
> On 21.09.2018 16:22, Sandeep Singh wrote:
>> From: Sandeep Singh <sandeep.singh@amd.com>
>>
>> Observed "TRB completion code (27)" error which corresponds to Stopped -
>> Length Invalid error(xhci spec section 4.17.4) while connecting USB to
>> SATA bridge.
>>
>> Looks like this case was not considered when the following patch[1] was
>> committed. Hence adding this new check which can prevent
>> the invalid byte size error.
>>
>> [1] ade2e3a xhci: handle transfer events without TRB pointer
>>
>
> Thanks, adding to queue.
>
> Just out of curiosity, was the TRB pointer bits all zeroes
> in this Stopped -Length invalid transfer event TRB?
>
Yes, TRB pointer bits all zeroes
> -Mathias
>
Thanks
Sandeep
prev parent reply other threads:[~2018-09-25 9:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-21 13:22 Sandeep Singh
2018-09-24 13:09 ` Mathias Nyman
2018-09-25 9:14 ` Sandeep Singh [this message]
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