Date: Sun, 27 May 2007 22:35:46 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-usb@freebsd.org Subject: 31st address line sometimes not used on EHCI/UHCI/OHCI Message-ID: <200705272235.46048.hselasky@c2i.net>
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Hi, I've got some reports back that some USB host controllers do not support transferring memory from a location higher than 2GB. What should we do about this? Should we limit all USB DMA allocations to the lower 2GB of the memory? --HPS
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