Re: boot slow down

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Hi James,

On Mon, Aug 06, 2012 at 12:38:51AM -0400, James wrote:
> On 08/05/12 17:20, Sakari Ailus wrote:
> > Hi Andy and James,
> > 
> > On Sat, Aug 04, 2012 at 06:28:19PM -0400, James wrote:
> >> On 08/04/12 13:42, Andy Walls wrote:
> >>> James <bjlockie@xxxxxxxxx> wrote:
> >>>
> >>>> There's a big pause before the 'unable'
> >>>>
> >>>> [    2.243856] usb 4-1: Manufacturer: Logitech
> >>>> [   62.739097] cx25840 6-0044: unable to open firmware
> >>>> v4l-cx23885-avcore-01.fw
> >>>>
> >>>>
> >>>> I have a cx23885
> >>>> cx23885[0]: registered device video0 [v4l2]
> >>>>
> >>>> Is there any way to stop it from trying to load the firmware?
> >>>> What is the firmware for, analog tv? Digital works fine and analog is
> >>>> useless to me.
> >>>> I assume it is timing out there.
> >>>> --
> >>>> To unsubscribe from this list: send the line "unsubscribe linux-media"
> >>>> in
> >>>> the body of a message to majordomo@xxxxxxxxxxxxxxx
> >>>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> >>>
> >>> The firmware is for the analog broadcast audio standard (e.g. BTSC) detection microcontroller.
> >>>
> >>> The A/V core of the CX23885/7/8 chips is for analog vidoe and audio processing (broadcast, CVBS, SVideo, audio L/R in).
> >>>
> >>> The A/V core of the CX23885 provides the IR unit and the Video PLL provides the timing for the IR unit.
> >>>
> >>> The A/V core of the CX23888 provides the Video PLL which is the timing for the IR unit in the CX23888.
> >>>
> >>> Just grab the firmware and be done with it.  Don't waste time with trying to make the cx23885 working properly but halfway.
> >>>
> >>> Regards,
> >>> Andy
> >>
> >> I already have the firmware.
> >> # ls -l /lib/firmware/v4l-cx23885-avcore-01.fw 
> >> -rw-r--r-- 1 root root 16382 Oct 15  2011 /lib/firmware/v4l-cx23885-avcore-01.fw
> > 
> > The timeout if for allowing the user space helper enough time to provide the
> > driver with the firmware, but it seems the helper isn't around as the
> > timeout expires. Is udev running around the time of the first line? Is the
> > driver linked directly into the kernel or is it a module?
> > 
> > Kind regards,
> > 
> I have this set so the firmware is in the kernel.
> 
> Symbol: FIRMWARE_IN_KERNEL [=y]

I don't know about that driver, but if the udev would have to provide the
firmware, and it's not running, the delay is expected. Two seconds after
kernel startup is so early that the user space, including udev, might not
yet be running.

Kind regards,

-- 
Sakari Ailus
e-mail: sakari.ailus@xxxxxx	jabber/XMPP/Gmail: sailus@xxxxxxxxxxxxxx
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