11.0-BETA2: PWM on Beagle Bone Black kernel panic?

Luiz Otavio O Souza lists.br at gmail.com
Sun Jul 31 19:58:01 UTC 2016


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


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