2009-07-09 13:57:58

by Michael S. Zick

[permalink] [raw]
Subject: EHCI, BIOS handoff warning/error?

Anyone with thoughts on this one?
Even a translation of the message might help.

pci 0000:00:01.0: disabling DAC on VIA PCI bridge
pci 0000:00:10.0: uhci_check_and_reset_hc: legsup = 0x2000
pci 0000:00:10.0: Performing full reset
pci 0000:00:10.1: uhci_check_and_reset_hc: legsup = 0x2000
pci 0000:00:10.1: Performing full reset
pci 0000:00:10.2: uhci_check_and_reset_hc: legsup = 0x2000
pci 0000:00:10.2: Performing full reset
pci 0000:00:10.4: EHCI: BIOS handoff
pci 0000:00:10.4: EHCI: BIOS handoff failed (BIOS bug?) 01010001
pci 0000:01:00.0: Boot video device


Mike


2009-07-09 23:36:34

by Robert Hancock

[permalink] [raw]
Subject: Re: EHCI, BIOS handoff warning/error?

On 07/09/2009 07:57 AM, Michael S. Zick wrote:
> Anyone with thoughts on this one?
> Even a translation of the message might help.
>
> pci 0000:00:01.0: disabling DAC on VIA PCI bridge
> pci 0000:00:10.0: uhci_check_and_reset_hc: legsup = 0x2000
> pci 0000:00:10.0: Performing full reset
> pci 0000:00:10.1: uhci_check_and_reset_hc: legsup = 0x2000
> pci 0000:00:10.1: Performing full reset
> pci 0000:00:10.2: uhci_check_and_reset_hc: legsup = 0x2000
> pci 0000:00:10.2: Performing full reset
> pci 0000:00:10.4: EHCI: BIOS handoff
> pci 0000:00:10.4: EHCI: BIOS handoff failed (BIOS bug?) 01010001
> pci 0000:01:00.0: Boot video device

That would mean the BIOS failed to indicate it has given up control of
the EHCI controller within the allowed time period.

2009-07-10 15:05:47

by Michael S. Zick

[permalink] [raw]
Subject: Re: EHCI, BIOS handoff warning/error?

On Thu July 9 2009, Robert Hancock wrote:
> On 07/09/2009 07:57 AM, Michael S. Zick wrote:
> > Anyone with thoughts on this one?
> > Even a translation of the message might help.
> >
> > pci 0000:00:01.0: disabling DAC on VIA PCI bridge
> > pci 0000:00:10.0: uhci_check_and_reset_hc: legsup = 0x2000
> > pci 0000:00:10.0: Performing full reset
> > pci 0000:00:10.1: uhci_check_and_reset_hc: legsup = 0x2000
> > pci 0000:00:10.1: Performing full reset
> > pci 0000:00:10.2: uhci_check_and_reset_hc: legsup = 0x2000
> > pci 0000:00:10.2: Performing full reset
> > pci 0000:00:10.4: EHCI: BIOS handoff
> > pci 0000:00:10.4: EHCI: BIOS handoff failed (BIOS bug?) 01010001
> > pci 0000:01:00.0: Boot video device
>
> That would mean the BIOS failed to indicate it has given up control of
> the EHCI controller within the allowed time period.
>

Thanks. I'll just toss that one onto the "timing fixups" stack.

Mike
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