Re: rump i386 cross compile trouble

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

On Tue, Mar 03, 2015 at 02:56:16PM +0000, Patrick Welche wrote:
> On Tue, Mar 03, 2015 at 12:10:15PM +0000, Patrick Welche wrote:
> > Not having much luck.. with today's source I see:
> > No DBG / optimisation anywhere. Additions to /etc/mk.conf:
> > 
> > RUMP_DIAGNOSTIC=yes
> > RUMP_DEBUG=yes
> > RUMP_LOCKDEBUG=yes
> > RUMP_KTRACE=yes
> 
> Removing these gets a successful build - that narrows it down a bit...

Bisection just yielded a surprise: the build with RUMP_DEBUG=yes was
broken by sys/kern/kern_module.c

revision 1.103
date: 2015-02-28 23:04:34 +0000;  author: jmcneill;  state: Exp;  lines: +4 -3; 
 commitid: X5g1KIdu4fu6uPby;
if the root file-system is not yet mounted, hide "vfs load failed" spam with opt
ions DEBUG


-               if (modclass != MODULE_CLASS_EXEC || error != ENOENT)
+               if ((modclass != MODULE_CLASS_EXEC || error != ENOENT) &&
+                   root_device != NULL)

but why? Compiler bug (gcc)?


Cheers,

Patrick