Re: releng/15.0 arm64 started panicing since Oct 24

On Fri, 31 Oct 2025 23:35:33 -0400
Yoshihiro Ota <ota@j.email.ne.jp> wrote:

> On Fri, 31 Oct 2025 14:46:12 -0700
> Colin Percival <cperciva@freebsd.org> wrote:
> 
> > On 10/30/25 19:06, Yoshihiro Ota wrote:
> > > I have aarm64 running on Parallels VM.
> > > I've been following stable/15 and then switched to releng/15.0.
> > > 
> > > This system started crashing frequently after updating Oct 24, last Friday.
> > > I first saw a crash on Oct 25, last Sat day.
> > > I wasn't sure if it was my own problem or other factors.
> > > I fully rebuilt again from source but crash didn't go away.
> > > 
> > > The crash seems to have right after resuming from a suspend.
> > > Crash doesn't happen on every resume, though.
> > > I don't think I know the reproducable procedures, yet.
> > 
> > Are you using kernel modules (wifi or video) from ports?  There was a
> > change in LinuxKPI around that time which might be responsible.
> > 
> > -- 
> > Colin Percival
> 
> No, I don't use any kernel modules from ports.
> I don't use any of LinuxKPI nor Linux based ports on this system.
> 
> I will report if I find anything new.
> 
> Hiro

Finally, I was able to take core dump.

It happens right after resuming from Parallels.
But it isn't 100%.
I think it happens 3~5 times a week randomly.

It looks I need to put source code onto more accessable location for better stacktrace.
I will try again.

Hiro