From owner-freebsd-current@FreeBSD.ORG Sun May 6 13:33:25 2012 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 639FE1065672; Sun, 6 May 2012 13:33:25 +0000 (UTC) (envelope-from outbackdingo@gmail.com) Received: from mail-bk0-f54.google.com (mail-bk0-f54.google.com [209.85.214.54]) by mx1.freebsd.org (Postfix) with ESMTP id 845388FC0A; Sun, 6 May 2012 13:33:24 +0000 (UTC) Received: by bkvi17 with SMTP id i17so4418602bkv.13 for ; Sun, 06 May 2012 06:33:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=4D0BVLWaL3mIH2ZfxXaNhBKtHKrQWHwRVS+WdLl8ZGE=; b=Bhf6Sj9v64Qr0OBI0w3vyj8yVb/8/GAc1rYemMh9OUPNzZpbpgVBnWMUbqGrx40qJI 4edOK8yJOV8nl1THoSOufpvVf9jgg0PTowecOA0IaevEs4IudLJQRsG5RtIHeUv4g2Jp Sb2qD57t8A2iEVX4G2HbC2AxJuNEQ7h0RhbX8isqSsEE4Qm1dcdo7g3ykMoADWqzAmmV 8kJ4vDwuHnLKBu5FLTxGNz1V+Q3zlZCJI5cF4WKnuvg1galPDQyxEpnTlQYj7AnAEZUU BwX2U7ErBE4aplE6cnn6DSSJ98Lk6WIHqZp06u8bkodKDThatuntKsOEXmMBkDjxwvgd 8YAg== MIME-Version: 1.0 Received: by 10.204.128.149 with SMTP id k21mr4232748bks.42.1336311203541; Sun, 06 May 2012 06:33:23 -0700 (PDT) Received: by 10.204.157.11 with HTTP; Sun, 6 May 2012 06:33:23 -0700 (PDT) In-Reply-To: References: <4FA58672.1040201@FreeBSD.org> <4FA5BDAD.5090809@gmail.com> Date: Sun, 6 May 2012 09:33:23 -0400 Message-ID: From: Outback Dingo To: davidxu@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: bf1783@gmail.com, Steve Wills , freebsd-current@freebsd.org, "b. f." Subject: Re: ctfmerge core dump X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 06 May 2012 13:33:25 -0000 On Sat, May 5, 2012 at 8:26 PM, Outback Dingo wrot= e: > On Sat, May 5, 2012 at 7:54 PM, David Xu wrote: >> On 2012/5/6 5:08, b. f. wrote: >>> >>> On 5/5/12, Steve Wills =A0wrote: >>>> >>>> On 05/05/12 15:43, b. f. wrote: >>>>> >>>>> Steve Wills wrote: >>>>>> >>>>>> After updating from -CURRENT as of April 5 to one built today, I now >>>>>> get >>>>>> a core dump running ctfmerge on libc: >>>>>> >>>>>> ctfmerge -L VERSION -g -o libc.so.7 syscall.So fork.So...... >>>>>> Bus error (core dumped) >>>>>> *** [libc.so.7] Error code 138 >>>>>> >>>>>> Anyone else seeing this or have any idea how to avoid it? >>>>> >>>>> Yes, I'm also seeing such problems when attempting to build a r235052 >>>>> amd64 kernel on r235035 amd64. (This problem did not occur when >>>>> building a r235035 amd64 world and kernel on r234854 amd64.) =A0ctfme= rge >>>>> succeeds for several kernel modules but fails with kgssapi.ko.debug, >>>>> linux.ko.debug, or kernel.debug. I'm not yet sure which change has >>>>> caused this, or how to avoid it. >>>>> >>>> Thanks for the info. I took a look at the dump and see this: >>>> >>>> % sudo gdb /usr/bin/ctfmerge ctfmerge.core >>>> [GDB will not be able to debug user-mode threads: Undefined symbol >>>> "td_thr_getxmmregs"] >>>> GNU gdb 6.1.1 [FreeBSD] >>>> Copyright 2004 Free Software Foundation, Inc. >>>> GDB is free software, covered by the GNU General Public License, and y= ou >>>> are >>>> welcome to change it and/or distribute copies of it under certain >>>> conditions. >>>> Type "show copying" to see the conditions. >>>> There is absolutely no warranty for GDB. =A0Type "show warranty" for >>>> details. >>>> This GDB was configured as "amd64-marcel-freebsd"... >>>> Core was generated by `ctfmerge'. >>>> Program terminated with signal 10, Bus error. >>>> Reading symbols from /lib/libctf.so.2...done. >>>> Loaded symbols for /lib/libctf.so.2 >>>> Reading symbols from /usr/lib/libdwarf.so.3...done. >>>> Loaded symbols for /usr/lib/libdwarf.so.3 >>>> Reading symbols from /usr/lib/libelf.so.1...done. >>>> Loaded symbols for /usr/lib/libelf.so.1 >>>> Reading symbols from /lib/libz.so.6...done. >>>> Loaded symbols for /lib/libz.so.6 >>>> Reading symbols from /lib/libthr.so.3...done. >>>> Loaded symbols for /lib/libthr.so.3 >>>> Reading symbols from /lib/libc.so.7...done. >>>> Loaded symbols for /lib/libc.so.7 >>>> Reading symbols from /libexec/ld-elf.so.1...done. >>>> Loaded symbols for /libexec/ld-elf.so.1 >>>> #0 =A00x00000000004064b0 in fifo_len (f=3D0x801c29070) at >>>> >>>> /usr/src/cddl/usr.bin/ctfmerge/../../../cddl/contrib/opensolaris/tools= /ctf/cvt/fifo.c:128 >>>> 128 =A0 =A0 =A0 =A0 =A0 =A0 for (i =3D 0, fn =3D f->f_head; fn; fn =3D= fn->fn_next, i++); >>>> (gdb) bt >>>> #0 =A00x00000000004064b0 in fifo_len (f=3D0x801c29070) at >>>> >>>> /usr/src/cddl/usr.bin/ctfmerge/../../../cddl/contrib/opensolaris/tools= /ctf/cvt/fifo.c:128 >>>> #1 =A00x000000000040622c in worker_thread (wq=3D0x610ee0) at >>>> >>>> /usr/src/cddl/usr.bin/ctfmerge/../../../cddl/contrib/opensolaris/tools= /ctf/cvt/ctfmerge.c:329 >>>> #2 =A00x0000000801078da9 in thread_start (curthread=3D0x801c0f800) at >>>> /usr/src/lib/libthr/thread/thr_create.c:284 >>>> #3 =A00x0000000000000000 in ?? () >>>> Cannot access memory at address 0x7fffff5fb000 >>>> (gdb) >>>> >>> After reverting the recent libthr changes in r234947, I am no longer >>> encountering this problem. >>> >>> b. >>> >> I have fixed it in r235068. > > hopefully itll fix kernel compilations also halting with signal 10 well seems to be okay now i did successfully get a kernel compiled > >> >> >> >> _______________________________________________ >> freebsd-current@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-current >> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.or= g"