Date: Tue, 15 Jun 2004 20:05:16 -0400 From: Steve Wills <steve@stevenwills.com> To: current@freebsd.org Subject: Re: cccc junk pointer (was: Re: [current tinderbox] failure on i386/pc98) Message-ID: <20040616000516.GB28906@stevenwills.com> In-Reply-To: <20040615212959.GA21965@xor.obsecurity.org> References: <20040615171345.3CD097303F@freebsd-current.sentex.ca> <Pine.NEB.3.96L.1040615131933.66022C-100000@fledge.watson.org> <20040615212959.GA21965@xor.obsecurity.org>
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On Tue, Jun 15, 2004 at 02:30:00PM -0700, Kris Kennaway wrote: > On Tue, Jun 15, 2004 at 01:20:35PM -0400, Robert Watson wrote: > > > > cc -c -O2 -pipe -fno-strict-aliasing -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual -fformat-extensions -std=c99 -nostdinc -I- -I. -I/tinderbox/CURRENT/i386/pc98/src/sys -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/dev/acpica -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/altq -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/ipfilter -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/pf -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/dev/ath -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/dev/ath/freebsd -I/tinderbox/CURRENT/i386/pc98/src/sys/contrib/ngatm -D_KERNEL -include opt_global.h -fno-common -finline-limit=8000 -DGPROF -falign-functions=16 -DGPROF4 -DGUPROF -fno-builtin -mno-align-long-strings -mpreferred-stack-boundary=2 -ffreestanding -Werror -finstrument-functions /tinderbox/CURRENT/i386/pc98/src/sys/ddb/db_elf.c > > > cccc: in free(): error: junk pointer, too high to make sense > > > Abort trap (core dumped) > > > *** Error code 134 > > > > > > Stop in /tinderbox/CURRENT/i386/pc98/obj/pc98/tinderbox/CURRENT/i386/pc98/src/sys/LINT. > > > *** Error code 1 > > > > > > Stop in /tinderbox/CURRENT/i386/pc98/src. > > > *** Error code 1 > > > > > > Stop in /tinderbox/CURRENT/i386/pc98/src. > > > TB --- 2004-06-15 17:13:44 - WARNING: /usr/bin/make returned exit code 1 > > > TB --- 2004-06-15 17:13:44 - ERROR: failed to build lint kernel > > > TB --- 2004-06-15 17:13:44 - tinderbox aborted > > > > I've noticed a few of these recently. Do we have any information on > > whether this is a compiler bug, a hardware problem on the tinderbox, or a > > kernel problem on the tinderbox? > > I'd be suspicious of ithread pre-emption..try backing out > sys/i386/i386/intr_machdep.c > > Kris > A non-text attachment was scrubbed... > Name: not available > Type: application/pgp-signature > Size: 187 bytes > Desc: not available > Url : http://lists.freebsd.org/pipermail/freebsd-current/attachments/20040615/b625ddcd/attachment-0001.bin FWIW, I noticed one of these a few days ago on 5-CURRENT with SCHED_ULE and a custom kernel. Restarted the build and it completed fine. Perhaps evidence against hardware problem? Just another data point. Steve
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