RE: [BUGREPORT] Linux USB 3.0

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From: Markus Rechberger
> >> Dec 27 23:23:50 solist kernel: [   36.118245] xhci_hcd 0000:00:14.0: ERROR Transfer event TRB DMA
> ptr
> >
> > These messages might be harmless.  The 3.0 kernel contains a fix for
> > Intel Panther Point xHCI hosts that suppresses those messages, commit
> > ad808333d8201d53075a11bc8dd83b81f3d68f0b "Intel xhci: Ignore spurious
> > successful event."
> >
> > A later commit extends that to all xHCI 1.0 hosts, commit
> > 07f3cb7c28bf3f4dd80bfb136cf45810c46ac474 "usb: host: xhci: Enable
> > XHCI_SPURIOUS_SUCCESS for all controllers with xhci 1.0"  That was
> > queued for 3.11 and marked to be backported into stable kernels as old
> > as 3.0.

I see the same error message on the 0.96 ASMedia controller when
the rx buffers for the ax88179_178a driver cross 64k boundaries.

So this isn't confined to 1.0 controllers.

	David



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