linux-kernel - Re: [TuxOnIce-devel] Thinkpad hotkeys and USB audio not working after resume in 3.0.x

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Message-ID: <CAEDdjHcucDs7uyNzD1293bJNihQRS1UtOxxBYfSq9qHMLv3A0w@mail.gmail.com>
Date:	Thu, 1 Sep 2011 13:28:48 +0100
From:	Pedro Ribeiro <pedrib@...il.com>
To:	Nigel Cunningham <nigel@...onice.net>
Cc:	Kernel development list <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	TuxOnIce-devel <tuxonice-devel@...onice.net>
Subject: Re: [TuxOnIce-devel] Thinkpad hotkeys and USB audio not working after
 resume in 3.0.x

On 1 September 2011 13:26, Pedro Ribeiro <pedrib@...il.com> wrote:
> On 1 September 2011 13:16, Nigel Cunningham <nigel@...onice.net> wrote:
>> Hi Pedro.
>>
>> On 01/09/11 20:36, Pedro Ribeiro wrote:
>>> Hi,
>>>
>>> I'm hitting a bug with my thinkpad T400. After resuming from Hibernate,
>>> the thinkpad hotkeys and my USB audio card do not work at all.
>>> Suspending to RAM and resuming seem to solve the problem, but after
>>> another hibernation it comes back again.
>>>
>>> This only happens with TuxOnIce but not with the vanilla kernel.
>>>
>>> Rafael, can you please point out from the top of your head if there was
>>> any change that could have caused this?
>>
>> Sorry for my slowness in getting back to you Pedro.
>>
>> When you invoke swsusp, is it in exactly the same way that TuxOnIce is
>> invoked? I'm wondering whether modules are unloaded and services stopped
>> in one scenario that are handled differently in the other.
>>
>> Regards,
>>
>> Nigel
>> --
>> Evolution (n): A hypothetical process whereby improbable
>> events occur with alarming frequency, order arises from chaos, and
>> no one is given credit.
>>
>
> Hi Nigel,
>
> Thanks for your response.
>
> I just tried using echo disk > /sys/power/state using both methods
> (swsusp and ToI) and the result is the same.
>
> With swsusp the keys and the USB interface work fine, but with ToI
> they stop working until I suspend to RAM.
>
> Regards,
> Pedro
>

Forgot to say, I tried reverting "PM / Runtime: Rework runtime PM
handling during driver
 removal" but it didn't help.

Regards,
Pedro
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