Re: gcc7 AMD kernel fails to boot

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

On Wed, Feb 13, 2019 at 09:14:51PM +0000, Patrick Welche wrote:
> On Tue, Feb 12, 2019 at 04:52:20PM +0000, Patrick Welche wrote:
> > On Tue, Feb 12, 2019 at 09:45:14AM +0000, Patrick Welche wrote:
> > > On Tue, Feb 12, 2019 at 07:22:26PM +1100, matthew green wrote:
> > > > hmm.  can you try a kernel built with build.sh kernel=?  ie, the
> > > > "cross compiler" toos, vs. the compiler in /usr/bin.
> > 
> > build.sh didn't help... building a pkgsrc/gcc6 now...
> 
> Probably a false alarm: did a fresh cvs checkout and built GENERIC using
> gcc 7. That kernel booted.

Actually - apparently nothing to do with gcc 7, but a bug that got fixed.

With head, my ryzen freezes early on during rc. I tried a bisect back to
Feb 11, and saw the freeze early in kernel start which caused this thread.

At the moment:

bad : bad2257e Sat Feb 16 16:20:50 2019 +0000
good: 9851c0f8 Thu Feb 14 13:27:59 2019 +0000
bad : 1a015e8b Mon Feb 11 20:40:18 2019 +0000


P