On 12/10/2014 04:01 PM, Lennart Sorensen wrote:
On Wed, Dec 10, 2014 at 03:55:21PM -0600, Jeff Webb wrote:
I can confirm that this is around the time I started having trouble with the
proprietary nvidia module. In the linux 2.6.?? days, I didn't experience that
issue. It is obviously up to the authors to decide whether or not it is
desirable to allow proprietary modules to continue to operate on an I-pipe
patched kernel as they do an un-patched kernel. Since the issue was raised, I
thought I would report my experience in case there is a desire to get this
configuration working again.
Well certainly I do agree with Gilles that if there is a binary blob,
you can not know if it is going to mess directly with interrupts and
break ipipe, so the nvidia driver could be a problem (hard to know).
Yes, this is true. Just to be clear, though, I have used Xenomai with the
nvidia module loaded, and it does work well enough to be useful for some
applications on some hardware. I would not recommend this configuration for a
critical application, but it may be useful to some people for development and
testing. The open-source nouveau driver is much better behaved, but some video
cards don't work well with nouveau.
-Jeff
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