Re: Kernel panic when copying data to umass device (USB4BSD)

From: Hans Petter Selasky <hselasky_at_c2i.net>
Date: Fri, 7 Nov 2008 17:07:44 +0100
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
Received on Fri Nov 07 2008 - 15:05:40 UTC

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