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From: Gerry Reno <greno@verizon.net>
To: Josh Boyer <jwboyer@redhat.com>
Cc: Sarah Sharp <sarah.a.sharp@linux.intel.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Michael Spang <spang@google.com>,
	linux-usb@vger.kernel.org, Dave Jones <davej@redhat.com>,
	Michael Spang <spang@chromium.org>,
	Linux Kernel <linux-kernel@vger.kernel.org>,
	Fedora Kernel Team <kernel-team@fedoraproject.org>
Subject: Re: USB keyboard backlight powering down.
Date: Wed, 17 Oct 2012 09:49:24 -0400	[thread overview]
Message-ID: <507EB764.2040105@verizon.net> (raw)
In-Reply-To: <20121017133151.GB2934@hansolo.jdub.homelinux.org>

On 10/17/2012 09:31 AM, Josh Boyer wrote:
> On Wed, Oct 17, 2012 at 09:09:56AM -0400, Gerry Reno wrote:
>>>> This was the udev bug I was referring to, which I think is causing the
>>>> keyboard to have auto-suspend enabled:
>>>>
>>>> https://bugzilla.redhat.com/show_bug.cgi?id=825284
>>>>
>>>> udev shouldn't be enabling auto-suspend of USB hids by default, since
>>>> many of them don't send a wakeup to come out of suspend when they
>>>> should.  For example, most USB mice only send a wakeup even when they
>>>> are clicked, not when they are moved.  That causes the user to sit
>>>> there, frustrated, as they move their mouse and wonder why their screen
>>>> doesn't unblank.  Other keyboards also lose keystrokes, which means if
>>>> you pause to compose your thoughts, the first couple letters you type
>>>> gets dropped.
>>> I know we fixed that bug for F17, F18, and rawhide.  I did it myself.
>>> I don't think this is udev related, but we'll double check the version.
>>>
>>> Gerry, are you using udev-182-3.fc17 or newer on your F17 install?
>>>
>>> josh
>>>
>>
>>
>> Installed Packages
>> udev.x86_64                                                182-1.fc17                                               
>> @anaconda-0
>>
>> There is an update available to 182-3 but I haven't installed it.  Didn't know what it might impact.
> Well, it would certainly be good to update to it and see if this bug is
> fixed for you.  You will probably need to rebuild your initramfs with
> the updated udev.
>
> josh
>


I updated udev to 182-3 then rebooted and my illuminated keyboard is now functioning properly.  Didn't need to rebuild
initramfs.  Everything appears to be working fine.

Gerry



  reply	other threads:[~2012-10-17 14:49 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-16 15:20 USB keyboard backlight powering down Dave Jones
2012-10-16 16:45 ` Michael Spang
2012-10-16 16:54   ` Greg Kroah-Hartman
2012-10-16 17:35     ` Sarah Sharp
2012-10-17 12:55       ` Josh Boyer
2012-10-17 13:09         ` Gerry Reno
2012-10-17 13:31           ` Josh Boyer
2012-10-17 13:49             ` Gerry Reno [this message]
2012-10-16 17:29 ` Sarah Sharp

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