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From: Mathias Nyman <mathias.nyman@intel.com>
To: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Linux USB Mailing List <linux-usb@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] xhci-ring: Fix Null pointer dereference
Date: Mon, 01 Sep 2014 13:37:16 +0300	[thread overview]
Message-ID: <54044C5C.9010305@intel.com> (raw)
In-Reply-To: <CAPybu_3qmtob-uJhcUwEETcM7cXPxOm3-zOjNFLub31mQDdABQ@mail.gmail.com>

On 09/01/2014 12:36 PM, Ricardo Ribalda Delgado wrote:
> After some time of use (one hour or so) my system started to behave
> "weird". I did check  dmesg and I was receiving the following line
> again and again:
> 
> usb-storage: Error in queuecommand_lck: us->sfb= ffff8805bd61ccc0
> 
> I did disconnect the usb device and the whole computer crashed :S
> 

Ok, thanks.

Would you say things work better after the patch?

I still think the patch solves part of the issue, i.e. how we handle halted endpoints
in reset, but I don't know the reason why the endpoints stall in the first place

-Mathias



  reply	other threads:[~2014-09-01 10:23 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-26 15:47 [PATCH] xhci-ring: Fix Null pointer dereference Ricardo Ribalda Delgado
2014-08-27 14:25 ` Mathias Nyman
2014-08-27 14:14   ` Ricardo Ribalda Delgado
2014-08-27 15:27     ` Mathias Nyman
2014-08-27 16:10       ` Ricardo Ribalda Delgado
2014-08-28 10:41         ` Mathias Nyman
2014-08-28 10:50           ` Ricardo Ribalda Delgado
2014-08-28 12:36             ` Ricardo Ribalda Delgado
2014-08-28 15:20               ` Mathias Nyman
2014-08-28 15:09                 ` Ricardo Ribalda Delgado
2014-08-29 15:20                   ` Mathias Nyman
2014-09-01  9:02                     ` Ricardo Ribalda Delgado
2014-09-01  9:36                       ` Ricardo Ribalda Delgado
2014-09-01 10:37                         ` Mathias Nyman [this message]
2014-09-01 10:26                           ` Ricardo Ribalda Delgado
2014-09-01 11:12                             ` Mathias Nyman
2014-09-01 11:19                               ` Ricardo Ribalda Delgado
2014-09-01 12:25                                 ` Mathias Nyman
2014-09-01 12:14                                   ` Ricardo Ribalda Delgado
2014-09-01 14:16                           ` Alan Stern

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