On Wed, Sep 05, 2012 at 02:21:52PM +0100, Matthew Garrett wrote:
> On Tue, Sep 04, 2012 at 03:40:56PM -0700, Sarah Sharp wrote:
> > On Tue, Aug 14, 2012 at 04:44:49PM -0400, Matthew Garrett wrote:
> > > I've no idea what's causing the underlying problem, and xhci still doesn't
> > > actually *work*
On Wed, Sep 05, 2012 at 02:21:52PM +0100, Matthew Garrett wrote:
> It's an SNB-E board with a series 7 chipset. The xHCI controller is an
> NEC. When it's in this failure state it doesn't seem like there's
> anything in the mmio BAR that's happy to talk to us, but I'll check the
> logs to see w
On Tue, Sep 04, 2012 at 03:40:56PM -0700, Sarah Sharp wrote:
> On Tue, Aug 14, 2012 at 04:44:49PM -0400, Matthew Garrett wrote:
> > I've no idea what's causing the underlying problem, and xhci still doesn't
> > actually *work* even with this, but the machine at least boots which will
> > probably m
On Tue, Aug 14, 2012 at 04:44:49PM -0400, Matthew Garrett wrote:
> My test platform (Intel DX79SI) boots reliably under BIOS, but frequently
> crashes when booting via UEFI. I finally tracked this down to the xhci
> handoff code. It seems that reads from the device occasionally just return
> 0xff,
On Mon, Aug 20, 2012 at 08:36:56PM +0100, Matthew Garrett wrote:
> Anyone want to take this?
Sarah is on vacation until the end of this week, so I'd wait until then
to worry about it being lost.
greg k-h
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Anyone want to take this?
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On Tue, Aug 14, 2012 at 10:57:58PM +0200, Peter Stuge wrote:
> Matthew Garrett wrote:
> > +++ b/drivers/usb/host/pci-quirks.c
> ..
> > @@ -830,9 +830,17 @@ static void __devinit quirk_usb_handoff_xhci(struct
> > pci_dev *pdev)
> > */
> > ext_cap_offset = xhci_find_next_cap_offset(base,
>
Matthew Garrett wrote:
> +++ b/drivers/usb/host/pci-quirks.c
..
> @@ -830,9 +830,17 @@ static void __devinit quirk_usb_handoff_xhci(struct
> pci_dev *pdev)
>*/
> ext_cap_offset = xhci_find_next_cap_offset(base,
> XHCI_HCC_PARAMS_OFFSET);
> do {
> + if ((ext_cap_off
My test platform (Intel DX79SI) boots reliably under BIOS, but frequently
crashes when booting via UEFI. I finally tracked this down to the xhci
handoff code. It seems that reads from the device occasionally just return
0xff, resulting in xhci_find_next_cap_offset generating a value that's
larger t
