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From: "Ákos Maróy" <akos@maroy.hu>
To: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: Alan Stern <stern@rowland.harvard.edu>,
	"Rafael J. Wysocki" <rjw@sisk.pl>,
	Kernel development list <linux-kernel@vger.kernel.org>,
	Greg KH <gregkh@suse.de>, USB list <linux-usb@vger.kernel.org>
Subject: Re: pm_op(): usb_dev_suspend+0x0/0x10 returns -2 on USB device 8087:0020
Date: Sat, 27 Feb 2010 09:02:11 +0100	[thread overview]
Message-ID: <4B88D183.9000006@maroy.hu> (raw)
In-Reply-To: <20100226001621.GA6060@xanatos>

Sarah,

> Actually, I wonder if 2.6.32 stable needs commit bcef3fd from 2.6.33.
> If the xHCI driver wasn't cleaning up the endpoint rings properly after
> a transfer error, I suppose the hardware could get wedged.

I see. where would I get this commit from? I have to stick with 2.6.32,
as I'm using the binary ATI video driver, which doesn't work with 2.6.33...

> If the hardware wasn't responding properly to commands, then URBs
> wouldn't have been able to be killed, the USB core would have sat around
> waiting on those URBs, and rmmod could never exit.  I need a more
> detailed log to figure out exactly why the hardware is wedged though.
> Let me make the less-verbose debugging patch so you don't get log
> corruption, and then we'll see what's going on.

let me know how I can use this..


Akos


  parent reply	other threads:[~2010-02-27  8:02 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-23  8:29 pm_op(): usb_dev_suspend+0x0/0x10 returns -2 on USB device 8087:0020 Ákos Maróy
2010-02-23 21:17 ` Rafael J. Wysocki
2010-02-24 16:40   ` Alan Stern
2010-02-24 22:36     ` Ákos Maróy
2010-02-25 15:27       ` Alan Stern
2010-02-25 16:43         ` Ákos Maróy
2010-02-25 17:46           ` Alan Stern
2010-02-25 19:04             ` Sarah Sharp
2010-02-25 19:36               ` Alan Stern
2010-02-25 19:52                 ` Sarah Sharp
2010-02-25 22:37                   ` Ákos Maróy
2010-02-26  0:16                     ` Sarah Sharp
2010-02-26 16:12                       ` Alan Stern
2010-02-26 16:32                         ` Sarah Sharp
2010-02-27  8:02                       ` Ákos Maróy [this message]
2010-03-02  0:48                         ` Sarah Sharp
2010-02-25 21:05             ` Ákos Maróy
2010-02-25 22:23               ` Alan Stern
2010-02-25 17:07         ` Ákos Maróy
2010-03-04 13:55         ` Ákos Maróy
2010-02-26  5:21       ` Edward Shao
2010-02-27  8:03         ` Ákos Maróy

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