Em Tue, 14 Feb 2017 11:41:46 -0800
Greg KH escreveu:
> On Tue, Feb 14, 2017 at 05:32:11PM -0200, Mauro Carvalho Chehab wrote:
> > Reported as a Kaffeine bug:
> > https://bugs.kde.org/show_bug.cgi?id=375811
> >
> > The USB control messages require DMA to work. We cannot pass
> > a stack-alloc
On Tue, Feb 14, 2017 at 05:32:11PM -0200, Mauro Carvalho Chehab wrote:
> Reported as a Kaffeine bug:
> https://bugs.kde.org/show_bug.cgi?id=375811
>
> The USB control messages require DMA to work. We cannot pass
> a stack-allocated buffer, as it is not warranted that the
> stack would be int
Reported as a Kaffeine bug:
https://bugs.kde.org/show_bug.cgi?id=375811
The USB control messages require DMA to work. We cannot pass
a stack-allocated buffer, as it is not warranted that the
stack would be into a DMA enabled area.
On Kernel 4.9, the default is to not accept DMA on stack a
