>-----Original Message----- >From: [EMAIL PROTECTED] >[mailto:[EMAIL PROTECTED] 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 ?
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