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Date:	Thu, 19 Jun 2014 18:41:17 +0200
From:	Jörg Otte <jrg.otte@...il.com>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	USB list <linux-usb@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [usb resume regression] in 3.16-rc1

I don't know how to do this.

Thanks, Jörg

2014-06-19 17:02 GMT+02:00 Alan Stern <stern@...land.harvard.edu>:
> On Thu, 19 Jun 2014, Jörg Otte wrote:
>
>> on resume with 3.16-rc1 I get the following error messages in dmesg
>> which are alltogether not present in 3.15:
>>
>> [   43.518116] dpm_run_callback(): 0xffffffffa53c4120 returns -13
>> [   43.518119] PM: Device 1-1 failed to resume async: error -13
>> [   43.522380] hub 1-1:1.0: hub_port_status failed (err = -71)
>> [   43.528538] sd 0:0:0:0: [sda] Starting disk
>> [   43.530886] hub 1-1:1.0: hub_port_status failed (err = -71)
>> [   43.535140] usb 1-1-port2: cannot disable (err = -71)
>> [   43.535142] dpm_run_callback(): 0xffffffffa53c4120 returns -71
>> [   43.535145] PM: Device 1-1.2 failed to resume async: error -71
>> [   43.543673] usb 1-1-port4: cannot disable (err = -71)
>> [   43.543674] dpm_run_callback(): 0xffffffffa53c4120 returns -71
>> [   43.543679] PM: Device 1-1.4 failed to resume async: error -71
>>
>> usb devices connected to the hub (in my case mouse and keyboard) are
>> all death after resume and cannot be activated again.
>
> -13 is -EACCES.  It's not clear what could have caused that error,
> since EACCES isn't used in the USB core or in ehci-hcd.
>
> Can you try doing the same thing after enabling dynamic debugging in
> usbcore and ehci-hcd?
>
> Alan Stern
>
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