Re: [BUG] Build failure in next-20261007 and next-20261008

[Paul E. McKenney]

On Fri, Oct 09, 2026 at 07:23:29PM -0700, Kees Cook wrote:
> On Fri, Oct 09, 2026 at 08:57:02AM -0700, Paul E. McKenney wrote:
> > On Thu, Oct 08, 2026 at 10:11:14PM -0700, Kees Cook wrote:
> > > On Thu, Oct 08, 2026 at 05:56:21PM -0700, Paul E. McKenney wrote:
> > > > Building a kernel on CentOS Stream 9 from next-20261007 and next-20261008
> > > > (and maybe others?)  on an x86 or arm64 system results in a strange
> > > > build failure featuring:
> > > > 
> > > > WARNING: Unable to reopen jobserver read-side pipe: FileNotFoundError(2, 'No such file or directory')
> > > 
> > > What are your make and python versions? (Oh, the answer is going to be
> > > "CentOS-patched make 4.3")
> > 
> > I get "GNU Make 4.3", so maybe I need to patch or upgrade or something?
> > 
> > And "Python 3.12.15+meta", so maybe I need to talk to people here.  ;-)
> 
> I meant, it looks like CentOS has a patched version of "make". But I
> think that just changes the nature of the bug; it's still a bug that
> needs to be fixed even with unpatched "make".

Whew!!!

And thank you very much for looking into this!

							Thanx, Paul