RE: 2.6.13-rc4-mm1

["Aleksey Gorelov" <Aleksey_Gorelov@Phoenix.com>]

>-----Original Message-----
>From: linux-kernel-owner@vger.kernel.org 
>[mailto:linux-kernel-owner@vger.kernel.org] On Behalf Of Michael Thonke
>Sent: Sunday, July 31, 2005 8:12 AM
>To: Andrew Morton
>Cc: linux-kernel@vger.kernel.org
>Subject: Re: 2.6.13-rc4-mm1
>
>Hello Andrew,
>
>the ACPI bug or the problems with 2.6.13-rc3-mm[2,3] gone.
>The system boots now noiseless, except on problem with USB.
>
>If my Prolific USB-Serialadapter  plugged in on reboot
>the ehci_hcd driver complains about a Hand-off bug in Bios.
>
>-> snip
>
>ehci_hcd 0000:00:1d.7: EHCI Host Controller
>
>ehci_hcd 0000:00:1d.7: debug port 1
>
>ehci_hcd 0000:00:1d.7: BIOS handoff failed (104, 01010001)
>
>ehci_hcd 0000:00:1d.7: continuing after BIOS bug...
>
>ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 1
>
>ehci_hcd 0000:00:1d.7: irq 161, io mem 0xd2dffc00
>
>-> snip
>
>
>I wonder about this because all other USB devices working without this 
>message on boot.
>
>USB Mouse,Keyboard and USB Storage and all mixed from USB 1.1 and 2.
>
>When I rebooted without plugged Prolific Adapter and plug them in the 
>same port
>the kernel prints this message.
>
>->snip
>
>usb 4-1: new full speed USB device using uhci_hcd and address 2
>
>pl2303 4-1:1.0: PL-2303 converter detected
>
>usb 4-1: PL-2303 converter now attached to ttyUSB0
>
>-> snip
>
>
>Any Ideas what could be wrong here?
>
Could you try 'usb-handoff' as a kernel parameter. Is it any better ?

Aleks.
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