Re: CVS commit: src/sys [freeze on boot]

[Paul Goyette <paul%whooppee.com@localhost>]

On Mon, 20 Jan 2020, Patrick Welche wrote:

> On Mon, Jan 20, 2020 at 12:51:00PM +0000, Andrew Doran wrote:
> > This also happened the last time I touched rw_downgrade(), and I backed out
> > the change then, but both times I don't see the bug.  I have some questions:
> >
> > - Are you running DIAGNOSTIC and/or LOCKDEBUG?  I would be very interested
> >   to see what happens with a LOCKDEBUG kernel here.

Hmmm, at least on x86, in the LOCKDEBUG case we don't use the assembler
stubs;  we simply use the C versions.

On IRC/ICB, mlelstv has indicated there's something wrong in the stubs,
but I don't see it.

> One worked with the addition of LOCKDEBUG. The other didn't, but it seems
> to be unrelated:

Yeah, that backtrace looks unrelated.


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