4.10-rc3 rpi issues
pbrobinson at gmail.com
Thu Jan 12 16:34:52 PST 2017
>> > 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?
>> 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 . USB doesn't appear at
>> least in my testing to be any worse on the 2 or 3.
> Tried to enable some memory debugging, so see if that helps to figure
> what is going on:
> That made the bug disappear. :-o
> Rawhide kernels are build with quite some debug turned on too, right?
> So that could be it. Or it is something else: timing, memory layout /
> alignment, ...
The .0 builds (the first of the new RCs) have debugging disabled and
that's the one I generally run to test the new kernels on various HW
without the perf issues so it shouldn't affect the one I'm using..
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