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SubjectRe: USB/DVB - Old Technotrend TT-connect S-2400 regression tracked down
Pete Zaitcev wrote:
> On Sun, 24 May 2009 22:10:50 -0400 (EDT), Alan Stern <stern@rowland.harvard.edu> 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.

David


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