panic: deadlres_td_sleep_q: possible deadlock detected on RPI3

[Ralf Wenk]

On 2020-01-30 at 8:44 -0800 Mark Millard wrote:
> On 2020-Jan-30, at 08:20, bob prohaska <fbsd at www.zefox.net> wrote:
> [...]
> > My Pi3 still panics at r357204, but ntp seems to work fine.
> 
> Does kldstat show mac_ntpd as loaded?
> 
> On 4 arm systems here, 2 boot loading mac_ntpd,
> 2 boot without loading mac_ntpd, and ntp works
> for all. But this is head -r356426 .
> 
> So checking more specifically for if mac_ntpd
> was loaded is apparently needed.
> 
> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=243464
> is not explicit of other kernel modules load okay
> when no attempt is made for mac_ntpd. (If nothing
> loads automatically, it might require manually
> loading something to find out.)

Meanwhile I have tested what happens when additional kernel modules
are loaded and extended the bug report accordingly.
In short: The system did not freeze.

Ralf