amd64 head -r329465 (non-debug build, but with symbols): "panic: spin lock held too long" during make check-old, reported during a sys_vfork

[Trond Endrestøl]

On Sun, 18 Feb 2018 22:33+0100, Mateusz Guzik wrote:

> On Sun, Feb 18, 2018 at 9:38 PM, Trond Endrestøl <
> Trond.Endrestol at fagskolen.gjovik.no> wrote:
> 
> > On Sun, 18 Feb 2018 11:51-0800, Mark Millard wrote:
> >
> > > Note: -r329448 was reverted in -r329461 : racy.
> >
> > True. I got a crash when compiling r329451 while running r329449.
> > I've now booted the r329422 ZFS BE and I'm attempting to build
> > r329529.
> >
> 
> Looking around strongly suggests r329448 is the culprit. If you can verify
> 329447 works fine we are mostly done here.

I noticed no errors in r329447. When r329529 is built and installed, 
I'll try to incrementally build and install r329531.

> Note the revision got reverted and different variant got in in r329531.
> 
> That said, if r329447 works then the issue should be already fixed and in
> particular fresh head should work fine.

-- 
Trond.