On 16.02.2015 12:40, Hans Verkuil wrote: > On 02/11/2015 12:52 PM, Florian Echtler wrote: >> does anyone have any suggestions why USERPTR still fails with dma-sg? >> >> Could I just disable the corresponding capability for the moment so that >> the patch could perhaps be merged, and investigate this separately? > > I prefer to dig into this a little bit more, as I don't really understand > it. Set the videobuf2-core debug level to 1 and see what the warnings are. > > Since 'buf.qbuf' fails in v4l2-compliance, it's something in the VIDIOC_QBUF > sequence that returns an error, so you need to pinpoint that. OK, I don't currently have access to the hardware, but I will try this as soon as possible. > If push comes to shove I can also merge the patch without USERPTR support, > but I really prefer not to do that. How long until the next merge window closes? Best regards, Florian -- SENT FROM MY DEC VT50 TERMINAL
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