4.10-rc3 rpi issues

[Peter Robinson]

On Wed, Jan 11, 2017 at 2:29 PM, Gerd Hoffmann <kraxel at redhat.com> wrote:
>   Hi,
>
> Moved my pile of patches forward to 4.10-rc3, so I can see what actually
> landed in the 4.10 merge window, and go try send/resend patches for 4.11
>
> Trapped into a bunch of problems:
>
> usb is flaky.  raspberry pi 2 b.  Has a edimax wifi dongle, and that
> stopped working.  rtl8xxxu driver.  Doesn't find any wifi networks.  usb
> keyboard has problems too, looses keys now and then, which makes me
> think this is more a usb than a wifi problem.  I had that before, with
> the 4.8 kernels.  4.9 works fine.  Now with 4.10-rc3 the problems are
> back :(  Anyone seen this too?  Any clues what this might be?
>
> Non-modular kernel crashes at boot.  Using that to netboot kernels
> cross-compiled on my faster x86 box.  Have no serial console hooked up,
> so no logs for now, sorry.  But maybe anyone has an idea nevertheless?

The Fedora built rc3 kernel seems OK. I'm using usb wifi ATM without
too many issues and haven't had any drop outs. I've seen some
interesting bits with CMA which I reported [1]. USB doesn't appear at
least in my testing to be any worse on the 2 or 3.

[1] https://github.com/anholt/linux/issues/76