Re: nouveau reboot

[Patrick Welche <prlw1%cam.ac.uk@localhost>]

On Fri, Jul 21, 2017 at 07:53:09AM +0100, Patrick Welche wrote:
> On Thu, Jul 20, 2017 at 09:06:16PM +0000, coypu%sdf.org@localhost wrote:
> > On Thu, Jul 13, 2017 at 09:49:32AM +0100, Patrick Welche wrote:
> > > or "new" reboot: just updated a working 3rd July amd64
> > > kernel with this morning's source, and the computer reboots after
> > > printing nouveau, but before drm. Haven't had a chance to dig (won't
> > > until tonight) - any first guesses?
> > 
> > Must be unrelated to nouveau. no changes in sys/external/bsd/drm2 since
> > June 1.
> 
> In the meantime it is getting even more confusing: I bisected to
> 
> http://mail-index.netbsd.org/source-changes/2017/07/11/msg086253.html
> 
>     lm(4): Add suport for NCT5174D, NCT6775F, NCT6779D and NCT679[1235]D.
>     wbsio(4): Add support for NCT6795D.
> 
> but then rebooting with disable wbsio (which didn't switch anything off)
> and disable lm still failed. Now moving the modules which I haven't kept
> in synch during the bisection away.

Moving the modules out of the way now gets consistent results:
- unsuccessful boot with the above patch
- successful boot with the above patch and "disable lm"

I have no idea what chip is in this box(!)

Cheers,

Patrick