Re: USB/DVB - Old Technotrend TT-connect S-2400 regression trackeddown

From: David
Date: Mon May 25 2009 - 05:03:45 EST

Pete Zaitcev wrote:
> On Sun, 24 May 2009 22:10:50 -0400 (EDT), Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote:
>> Pete, you should look at this. It appears to be a problem with the DMA
>> mapping in usbmon. Probably the same sort of thing you were working on
>> about a week ago (trying to access device memory).
> Indeed it looks the same. Is this an AMD CPU?
yes, a Phenom.

> I wonder if CONFIG_HAVE_DMA_API_DEBUG does it (enabled with a select
> in arch/x86/Kconfig). Strange that it started happening now.
That is enabled. I'll switch it off and give it another go.

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