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Date: Mon, 31 May 2010 16:30:04 +0300
From: Andriy Gapon <avg@icyb.net.ua>
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To: Andrew Reilly <areilly@bigpond.net.au>
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Cc: current@freebsd.org
Subject: Re: Yoics! Just upgraded and cc is (mostly) bus-error-ing on
	buildworld.
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on 29/05/2010 10:47 Andrew Reilly said the following:
> Just to prefix with my config: FreeBSD duncan.reilly.home 9.0-CURRENT FreeBSD
> 9.0-CURRENT #7: Sat May 29 11:20:54 EST 2010
> root@duncan.reilly.home:/nb/obj/nb/src/sys/DUNCAN  amd64 Current source tree
> was csupped about half an hour ago.
> 
> I don't think that my hardware has gone dodgy: everything else seems to be
> working properly. cc itself seems to work OK when compiling my own code, too.
> But make buildworld -->
> 
> /nb/src/cddl/usr.bin/sgsmsg/../../../sys/cddl/contrib/opensolaris/common/avl/avl.c:128:
> internal compiler error: Bus error: 10 Please submit a full bug report, with
> preprocessed source if appropriate. See <URL:http://gcc.gnu.org/bugs.html> for
> instructions. *** Error code 1
> 
> Stop in /nb/src/cddl/usr.bin/sgsmsg.
> 
> Also, if I run buildworld with -j4 (my usual config), then a different compile
> crashes the same way :
> 
> /nb/src/cddl/usr.bin/sgsmsg/../../../cddl/contrib/opensolaris/cmd/sgs/tools/common/string_table.c:467:
> internal compiler error: Bus error: 10
> 
> but in that case it was not the first compile which broke, and several
> (parallel, I assume) broke at the same time.
> 
> So: is anyone else seeing this?
> 
> Is it likely that heisenbugs have found their way into the compiler in the last
> week, or perhaps in the kernel's page table handling code?
> 

Have you been playing with clang or other alternative compilers?
If not, then I think that it's your hardware.

-- 
Andriy Gapon