Kernel panic when copying data to umass device (USB4BSD)
Hans Petter Selasky
hselasky at c2i.net
Fri Nov 7 08:05:40 PST 2008
On Friday 07 November 2008, Jeremy Chadwick wrote:
> http://www.malkavian.com/~jdc/usb2_da0_crash.jpg
Hi Jeremy,
This issue has already been reported. It has to do with busdma. I will try to
verify the busdma path when bounching is enabled. I think I can simulate this
on my system by lowering the physical DMA limit. I have not tested on systems
with more than 4GB of ram.
--HPS
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