11.0-BETA2: PWM on Beagle Bone Black kernel panic?
Benny Goemans
benny.goemans at belgacom.net
Mon Aug 1 14:51:46 UTC 2016
Luiz Otavio O Souza schreef op 2016-07-31 21:57:
> On 31 July 2016 at 08:55, Benny Goemans wrote:
>> On 31-07-2016 13:17, Benny Goemans wrote:
>>> All,
>>>
>>> I've tried enabling PWM on a Beagle Bone Black (tried both PWM 1 & 2)
>>> by modifying the DTS. Once I reboot the boot ends with a kernel
>>> panic.
>>> Now, I might simply be doing something wrong which is why I haven't
>>> created a bug for this yet. I haven't used PWM with FreeBSD in quite
>>> a
>>> long time.
>>> Kernel output is attached below. No other changes were made to the
>>> default BETA2 image, downloaded from
>>> ftp://ftp.freebsd.org/pub/FreeBSD/releases/arm/armv6/ISO-IMAGES/11.0/FreeBSD-11.0-BETA2-arm-armv6-BEAGLEBONE.img.xz).
>>>
> [...]
>> Another thing I just noticed, this does seem to be working correctly
>> when I disable devd. The clue came from the "Starting devd." right
>> before the crash of course. I suppose this isn't intented, but at
>> least
>> there's a possible workaround.
>
> This issue was fixed by r302988. I'll ask re@ about the MFC.
>
> Luiz
Good to know. If I find the time to do a full rebuild I'll test that
patch as well.
Aside from that everything seems to be working correctly on the BBB, at
least the parts that I tested during the weekend.
Benny
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