[SeaBIOS] SeaBIOS recognising USB 3.0 on boot works - partly

[Matt DeVillier]

FYI, the current testing branch (commit 977a7d4) has issues booting 
Windows 10 via USB / Windows installer media on a Haswell ChromeBox 
(XHCI only), locks up on the Windows logo.  Tag 1.9.0 (commit 01a84be) 
has no such issues.  Will re-test with upstream master and report back

On 12/21/2015 1:08 PM, Kevin O'Connor wrote:
> On Mon, Dec 21, 2015 at 06:44:18PM +0000, edward wandasiewicz wrote:
>> With 47-g977a7d4, we get
>>
>> 1. YES - we get no duplicate of the Philips, and get just one of each
>> appear in the boot list, Mushkin & Philips
>>
>> 2. NO - we sometimes get just the Mushkin only - no Philips detected -
>> with both devices plugged in, about 1 in 10 cold boot starts - both
>> plugged in USB 3 port and both plugged in Type C port
>>
>> The 2 Type C cables used, are those from the Google Play Store, for the record.
>>
>> cbmem attached for each.
> It looks like in both of the failure logs that the super/high
> confusion delayed the usb3 connection notification past the time
> SeaBIOS was looking for connection notifications.  I suspect you could
> get around this by increasing "etc/usb-time-sigatt".  (For example, by
> adding "$CBFSTOOL $CBFSFILE add-int -i 300 -n etc/usb-time-sigatt" to
> the "Other settings" section of the chrome image building script I
> previously sent.)  This "secondary failure" after patch 47 is one of
> the reasons I'm not sure how to really fix the dup drive issue.
>
> -Kevin
>
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