Re: [uml-devel] [PATCH] fix extern inline errors with gcc 4.3.0

[Jeff Dike <jdike@addtoit.com>]

On Tue, Jul 15, 2008 at 11:42:05AM -0700, David Shane Holden wrote:
> Jeff Dike wrote:
> > On Mon, Jul 14, 2008 at 11:30:15AM -0700, David Shane Holden wrote:
> >> I tried to build a UML 2.6.26 kernel on Debian (32-bit) and ran into the 
> >> same problem reported here http://marc.info/?t=121011533500002&r=1&w=2. 
> > 
> > It's really 2.6.26, and not something from a day or two earlier?  I
> > fixed the compilation bugs, supposedly, just before 2.6.26.
> 
> Yeah, it's a vanilla 2.6.26, and when comparing it to 2.6.26-rc9 the 
> only difference in arch/um was the change for no-unit-at-a-time.

OK, I misunderstood - I thought you were saying you got compilation
errors, rather than crashes.  Hence my incredulity, since that patch
was supposed to fix the compile errors.

> > 
> >>   If I use gcc 4.3 everything works fine, but if I use gcc 4.1 or 4.2, 
> >> UML crashes on startup.
> > 
> > If the crash says ptrace in it, then I'm currently trying to figure
> > out what's happening with that.
> 
> It's crashing in wait_stub_done just like the poster of the message was 
> having, it appears gcc 4.1 and 4.2 need -fno-unit-at-a-time.

Well, we need to figure out why the initcalls aren't happening with
-unit-at-a-time and some versions of gcc.

		    	 	  Jeff

-- 
Work email - jdike at linux dot intel dot com

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