Re: USB UPS slows boot

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> On Wed, 1 Aug 2012, James wrote:
>
>> On 07/29/12 17:36, Alan Stern wrote:
>> > On Sun, 29 Jul 2012, James wrote:
>> >
>> >>>> It noticeably slows down booting.
>> >>>
>> >>> It shouldn't interfere appreciably with booting, unless you're
>> waiting
>> >>> for some other USB device to be detected.  All the USB communication
>> >>> should happen in the background.
>> >>
>> >> It does wait until the UPS is stable, I don't know why.
>> >
>> > I don't know why either.
>
>> It doesn't slow my boot anymore but there are 9 disconnect-connects.
>> I changed the port and recompiled the kernel.
>
> That's progress.  Have you checked to see whether ehci-hcd is loaded
> before or after ohci-hcd?

Is there a way to tell besides watching the screen (which scrolls too
fast) during boot?

>
> Have you checked to see whether the disconnects occur if you plug the
> UPS in after the system has booted?

It does but there were only 2 last time (before it was alot more).

>
> Alan Stern

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