Re: [ 12/75] USB: EHCI: work around silicon bug in Intels EHCI controllers

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On 2013-03-19 22:00 +0100, Alan Stern wrote:

> On Tue, 19 Mar 2013, Sven Joachim wrote:
>
>> On 2013-03-19 21:10 +0100, Alan Stern wrote:
>> 
>> > On Tue, 19 Mar 2013, Sven Joachim wrote:
>> >
>> >> > In what way is resume broken?
>> >> 
>> >> The kernel comes back, but the screen is black.  Manually switching VT's
>> >> is possible, and if I type something I can see it on the screen, but
>> >> there is no response and the cursor does not blink.  It looks as if the
>> >> VT is not switched backed on resume, and userspace tasks are not
>> >> restarted.  Sysrq combinations apparently work, but produce no output.
>> >
>> > Are there any other problems?  For example, even before you do a 
>> > suspend, if you type Alt-SysRq-W do you see any processes listed?
>> 
>> No.
>> 
>> > There was another report on the linux-usb mailing list today of this
>> > same patch causing the khubd task to hang.  I'm thinking that you might
>> > be facing a similar problem.
>> 
>> Maybe, but before the suspend everything seems to be normal.
>
> Just out of curiosity, does the patch posted here:
>
> 	http://marc.info/?l=linux-usb&m=136361874807411&w=2
>
> make any difference?

It fixes the problem for me, thanks. :-)

Cheers,
       Sven
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