From owner-freebsd-current@freebsd.org Wed Oct 26 22:24:43 2016 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id C33CEC2351D for ; Wed, 26 Oct 2016 22:24:43 +0000 (UTC) (envelope-from markmi@dsl-only.net) Received: from asp.reflexion.net (outbound-mail-210-44.reflexion.net [208.70.210.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 7B6E427B for ; Wed, 26 Oct 2016 22:24:42 +0000 (UTC) (envelope-from markmi@dsl-only.net) Received: (qmail 20049 invoked from network); 26 Oct 2016 22:24:35 -0000 Received: from unknown (HELO mail-cs-02.app.dca.reflexion.local) (10.81.19.2) by 0 (rfx-qmail) with SMTP; 26 Oct 2016 22:24:35 -0000 Received: by mail-cs-02.app.dca.reflexion.local (Reflexion email security v8.10.0) with SMTP; Wed, 26 Oct 2016 18:24:39 -0400 (EDT) Received: (qmail 32764 invoked from network); 26 Oct 2016 22:24:39 -0000 Received: from unknown (HELO iron2.pdx.net) (69.64.224.71) by 0 (rfx-qmail) with (AES256-SHA encrypted) SMTP; 26 Oct 2016 22:24:39 -0000 Received: from [192.168.1.106] (c-76-115-7-162.hsd1.or.comcast.net [76.115.7.162]) by iron2.pdx.net (Postfix) with ESMTPSA id 913A7EC9105; Wed, 26 Oct 2016 15:24:35 -0700 (PDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 10.1 \(3251\)) Subject: Re: stable/11 -r307797 on BPi-M3 (cortex-a7): xgcc's cc1 during lang/gcc6 build gets SIGSYS failures (/usr/ports -r424540) From: Mark Millard In-Reply-To: <5340B95D-9B61-4D97-A28E-EB463C28C949@dsl-only.net> Date: Wed, 26 Oct 2016 15:24:34 -0700 Cc: FreeBSD Toolchain , FreeBSD Current Content-Transfer-Encoding: quoted-printable Message-Id: <2DC2BFC1-613E-4491-84A4-3EC505B10B9D@dsl-only.net> References: <5340B95D-9B61-4D97-A28E-EB463C28C949@dsl-only.net> To: freebsd-arm , FreeBSD-STABLE Mailing List X-Mailer: Apple Mail (2.3251) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.23 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: Wed, 26 Oct 2016 22:24:43 -0000 [A top post noting that user "ast" CSW's are involved and other details = in the sequence leading up to the failure.] Using "ktrace -i -t +fw" it looks like every repeat of the problem ends = up with the following sort of sequence (a variation is shown later): 34629 cc1 CALL = mmap(0,0x4000,0x3,0x1002,0xfff= fffff,0x1c,0,0) 34629 cc1 RET mmap 568225792/0x21de7000 34629 cc1 PFLT 0x21de7000 VM_PROT_WRITE 34629 cc1 PRET KERN_SUCCESS 34629 cc1 PFLT 0x21de8000 VM_PROT_WRITE 34629 cc1 PRET KERN_SUCCESS 34629 cc1 PFLT 0x21de9000 VM_PROT_WRITE 34629 cc1 PRET KERN_SUCCESS 34629 cc1 PFLT 0x21dea000 VM_PROT_WRITE 34629 cc1 PRET KERN_SUCCESS 34629 cc1 PFLT 0x229e8000 VM_PROT_WRITE 34629 cc1 PRET KERN_SUCCESS 34629 cc1 PFLT 0x229e9000 VM_PROT_WRITE 34629 cc1 PRET KERN_SUCCESS 34629 cc1 PFLT 0x229ea000 VM_PROT_WRITE 34629 cc1 PRET KERN_SUCCESS 34629 cc1 CSW stop user "ast" 34629 cc1 CSW resume user "ast" 34629 cc1 PFLT 0x229eb000 VM_PROT_WRITE 34629 cc1 PRET KERN_SUCCESS 34629 cc1 PFLT 0x229ec000 VM_PROT_WRITE 34629 cc1 PRET KERN_SUCCESS 34629 cc1 CALL [-17504] 34629 cc1 RET [-17504] -1 errno 78 Function not implemented 34629 cc1 PSIG SIGSYS SIG_DFL code=3DSI_KERNEL 34629 cc1 NAMI "cc1.core" 34630 as CSW stop kernel "piperd" 34630 as Events dropped. 34630 as RET read 0 34630 as CALL close(0) 34630 as RET close 0 . . . I'll note that for the source this was compiling I used gdb truss with = run -feH -o truss.log and it reported: (gdb) print t->cs.number $5 =3D 580828064 FYI: 580828064 =3D 0x229EBBA0 where the truss segmentation fault was at line 385 of the following = (sc=3D=3DNULL in the context): > 380 t->cs.name =3D sysdecode_syscallname(t->proc->abi->abi, = t->cs.number); > 381 if (t->cs.name =3D=3D NULL) > (gdb)=20 > 382 fprintf(info->outfile, "-- UNKNOWN %s SYSCALL %d = --\n", > 383 t->proc->abi->type, t->cs.number); > 384=09 > 385 sc =3D get_syscall(t->cs.name, narg); > 386 t->cs.nargs =3D sc->nargs; > 387 assert(sc->nargs <=3D nitems(t->cs.s_args)); > 388=09 > 389 t->cs.sc =3D sc; The 229E matched the upper part of local PFLT activity around the user = "ast" CSW's, including just before the bad call. But the details do vary some based on the source file being compiled. = For example here the user "ast" CSW's are just before the mmap but are = still just after the 0x229ea000 PFLT: 34698 cc1 PRET KERN_SUCCESS 34698 cc1 PFLT 0xbfbf2000 VM_PROT_WRITE 34698 cc1 PRET KERN_SUCCESS 34698 cc1 PFLT 0x229e7000 VM_PROT_WRITE 34698 cc1 PRET KERN_SUCCESS 34698 cc1 PFLT 0x229e8000 VM_PROT_WRITE 34698 cc1 PRET KERN_SUCCESS 34698 cc1 PFLT 0x229e9000 VM_PROT_WRITE 34698 cc1 PRET KERN_SUCCESS 34698 cc1 PFLT 0x229ea000 VM_PROT_WRITE 34698 cc1 PRET KERN_SUCCESS 34698 cc1 CSW stop user "ast" 34698 cc1 CSW resume user "ast" 34698 cc1 CALL = mmap(0,0x4000,0x3,0x1002,0xfff= fffff,0,0,0) 34698 cc1 RET mmap 568225792/0x21de7000 34698 cc1 PFLT 0x21de7000 VM_PROT_WRITE 34698 cc1 PRET KERN_SUCCESS 34698 cc1 PFLT 0x21de8000 VM_PROT_WRITE 34698 cc1 PRET KERN_SUCCESS 34698 cc1 PFLT 0x21de9000 VM_PROT_WRITE 34698 cc1 PRET KERN_SUCCESS 34698 cc1 PFLT 0x21dea000 VM_PROT_WRITE 34698 cc1 PRET KERN_SUCCESS 34698 cc1 PFLT 0x229eb000 VM_PROT_WRITE 34698 cc1 PRET KERN_SUCCESS 34698 cc1 CALL [-25840] 34698 cc1 RET [-25840] -1 errno 78 Function not implemented 34698 cc1 PSIG SIGSYS SIG_DFL code=3DSI_KERNEL 34698 cc1 NAMI "cc1.core" 34699 as CSW stop kernel "piperd" 34699 as Events dropped. 34699 as RET read 0 34699 as CALL close(0) 34699 as RET close 0 -25840 in 2's complement is: 0xF...F9B10 Here doing the gdb truss instead reports: (gdb) print t->cs.number $1 =3D 580819728 and 580819728 =3D 0x229E9B10 and the 229E part matches several PFLT's in the area, including just = before the bad call as well as just before the user "ast"s. Between them = are some PFLT's that do not match. I would guess that the 229E in t->cs.number in truss is from the PFLT = just before the failing syscall in each case. =3D=3D=3D Mark Millard markmi at dsl-only.net On 2016-Oct-25, at 2:32 PM, Mark Millard wrote: > [I'll be submitting some of the below information to bugzilla.] >=20 > While trying to build lang/gcc6 on a BPI-M3 (Cortex-A7, ALLWINNER) I = got "xgcc: internal compiler error: Bad system call (program cc1)", = which means a SIGSYS (signal 12) resulted. >=20 > [I will note that I'v never seen this issue (so far) on the rpi2: This = may be KERNCONF=3DALLWINNER specific. But I've not yet updated to = -r307797 on the rpi2. The BPI-M3 context is new for me; the rpi2 I've = been using for a long time.] >=20 > This was under/on: >=20 > root@bananapi-m3:/usr/ports # uname -apKU > FreeBSD bananapi-m3 11.0-STABLE FreeBSD 11.0-STABLE #0 r307797M: Mon = Oct 24 00:41:16 PDT 2016 = markmi@FreeBSDx64:/usr/local/src/crochet/work/obj/arm.armv6/usr/src/sys/AL= LWINNER arm armv6 1100505 1100505 >=20 > [Note this was cross-built and then a matching svnlite co was done on = the BPi-M3. So the source timestamps on the BPi-M3 are newer than the = times from the cross build.] >=20 > root@bananapi-m3:/usr/ports # svnlite info /usr/ports/ | grep "Re[lv]" > Relative URL: ^/head > Revision: 424540 > Last Changed Rev: 424540 >=20 > dmesg | tail shows: >=20 > pid 29581 (cc1), uid 0: exited on signal 12 (core dumped) > pid 29613 (cc1), uid 0: exited on signal 12 (core dumped) > pid 29622 (cc1), uid 0: exited on signal 12 (core dumped) > pid 29651 (cc1), uid 0: exited on signal 12 (core dumped) > pid 29660 (cc1), uid 0: exited on signal 12 (core dumped) > pid 29798 (cc1), uid 0: exited on signal 12 (core dumped) > pid 30422 (cc1), uid 0: exited on signal 12 (core dumped) > pid 30426 (cc1), uid 0: exited on signal 12 (core dumped) > pid 30428 (cc1), uid 0: exited on signal 12 (core dumped) > pid 30431 (cc1), uid 0: exited on signal 12 (core dumped) >=20 > (All the lang/gcc6 prerequisites built okay on the BPi-M3.) >=20 > Unfortunately direct execution of the cc1 command on the libgcc2.i = from a use of -save-temps does not fail. For some reason the failure is = only when xgcc causes the cc1 command execution. >=20 > Also unfortunately truss gets a segmentation fault of its own trying = the handle watching the SIGSYS related activity. (A truss bugzilla = report has been made.) Thus the following tail of the truss output for = leading up to the SIGSYS does not cover the SIGSYS related activity = itself: >=20 > = root@bananapi-m3:/usr/obj/portswork/usr/ports/lang/gcc6/work/.build/armv6-= portbld-freebsd11.0/libgcc # tail truss.log > 31183 100086: close(3) =3D 0 (0x0) > 31183 100086: = openat(AT_FDCWD,"/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/lib= gcc/longlong.h",O_NOCTTY,00) ERR#2 'No such file or directory' > 31183 100086: openat(AT_FDCWD,"./longlong.h",O_NOCTTY,00) ERR#2 'No = such file or directory' > 31183 100086: openat(AT_FDCWD,"../.././gcc/longlong.h",O_NOCTTY,00) = ERR#2 'No such file or directory' > 31183 100086: = openat(AT_FDCWD,"/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/lib= gcc/../gcc/longlong.h",O_NOCTTY,00) ERR#2 'No such file or directory' > 31183 100086: = openat(AT_FDCWD,"/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/lib= gcc/../include/longlong.h",O_NOCTTY,00) =3D 3 (0x3) > 31183 100086: fstat(3,{ mode=3D-rw-r--r-- = ,inode=3D573594,size=3D61185,blksize=3D32768 }) =3D 0 (0x0) > 31183 100086: read(3,"/* longlong.h -- definitions for"...,61185) =3D = 61185 (0xef01) > 31183 100086: close(3) =3D 0 (0x0) > 31183 100086: = mmap(0x0,16384,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,16384,0x100000000= ) >=20 > Via using gdb on truss [with truss running xgcc and xgcc in turn = running its cc1 instance]: >=20 > = root@bananapi-m3:/usr/obj/portswork/usr/ports/lang/gcc6/work/.build/armv6-= portbld-freebsd11.0/libgcc # gdb truss > . . . [the below is in enter_syscall] . . . > 380 t->cs.name =3D sysdecode_syscallname(t->proc->abi->abi, = t->cs.number); > 381 if (t->cs.name =3D=3D NULL) > (gdb)=20 > 382 fprintf(info->outfile, "-- UNKNOWN %s SYSCALL %d = --\n", > 383 t->proc->abi->type, t->cs.number); > 384=09 > 385 sc =3D get_syscall(t->cs.name, narg); > 386 t->cs.nargs =3D sc->nargs; > 387 assert(sc->nargs <=3D nitems(t->cs.s_args)); > 388=09 > 389 t->cs.sc =3D sc; >=20 > (t->cs.name =3D=3D NULL after line 380). . . >=20 > Looking at the two things that the fprintf on lines 382 and 383 would = report: >=20 > (gdb) print t->proc->abi->type > $4 =3D 0x10166 "FreeBSD ELF32" >=20 > (gdb) print t->cs.number > $5 =3D 580828064 >=20 > FYI: 580828064 =3D 0x229EBBA0 >=20 > (sc =3D=3D NULL results from line 385 so sc->nargs on line 386 gets a = SIGSEGV.) >=20 > Just for completness: >=20 > (gdb) print *t > $2 =3D {entries =3D {le_next =3D 0x0, le_prev =3D 0x20617070}, proc =3D = 0x20617060, tid =3D 100150, in_syscall =3D 1, cs =3D {sc =3D 0x0, name =3D= 0x0, number =3D 580828064, args =3D 0x2061b0c0, nargs =3D 0,=20 > s_args =3D 0x2061b0ec}, before =3D {tv_sec =3D 1477418265, tv_nsec =3D= 492342263}, after =3D {tv_sec =3D 1477418265, tv_nsec =3D 492496630}} >=20 > (gdb) print sc > $3 =3D (struct syscall *) 0x0 >=20 >=20 >=20 > Supporting details follow. . . >=20 > The specific error reports are: >=20 > xgcc: internal compiler error: Bad system call (program cc1) > Please submit a full bug report, > with preprocessed source if appropriate. > See for instructions. > gmake[5]: *** [Makefile:467: _muldi3.o] Error 4 > gmake[5]: *** Waiting for unfinished jobs.... >=20 > xgcc: internal compiler error: Bad system call (program cc1) > Please submit a full bug report, > with preprocessed source if appropriate. > See for instructions. > gmake[5]: *** [Makefile:467: _negdi2.o] Error 4 >=20 > xgcc: internal compiler error: Bad system call (program cc1) > Please submit a full bug report, > with preprocessed source if appropriate. > See for instructions. > gmake[5]: *** [Makefile:467: _cmpdi2.o] Error 4 >=20 > xgcc: internal compiler error: Bad system call (program cc1) > Please submit a full bug report, > with preprocessed source if appropriate. > See for instructions. > gmake[5]: *** [Makefile:467: _ucmpdi2.o] Error 4 >=20 > gmake[5]: Leaving directory = '/usr/obj/portswork/usr/ports/lang/gcc6/work/.build/armv6-portbld-freebsd1= 1.0/libgcc' > gmake[4]: *** [Makefile:14874: all-stage1-target-libgcc] Error 2 >=20 > The specific xgcc commands were: >=20 > /usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/xgcc = -B/usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/ = -B/usr/local/armv6-portbld-freebsd11.0/bin/ = -B/usr/local/armv6-portbld-freebsd11.0/lib/ -isystem = /usr/local/armv6-portbld-freebsd11.0/include -isystem = /usr/local/armv6-portbld-freebsd11.0/sys-include -O2 -pipe = -mcpu=3Dcortex-a7 -DLIBICONV_PLUG -g -fno-strict-aliasing -O2 -O2 -pipe = -mcpu=3Dcortex-a7 -DLIBICONV_PLUG -g -fno-strict-aliasing -DIN_GCC = -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format = -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition = -isystem ./include -fPIC -pthread -fno-inline -fomit-frame-pointer -g = -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -fPIC -pthread = -fno-inline -fomit-frame-pointer -I. -I. -I../.././gcc = -I/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc = -I/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/. = -I/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/../gcc=20 > = -I/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/../include = -DHAVE_CC_TLS -o _muldi3.o -MT _muldi3.o -MD -MP -MF _muldi3.dep = -DL_muldi3 -c = /usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/libgcc2.c = -fvisibility=3Dhidden -DHIDE_EXPORTS >=20 > /usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/xgcc = -B/usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/ = -B/usr/local/armv6-portbld-freebsd11.0/bin/ = -B/usr/local/armv6-portbld-freebsd11.0/lib/ -isystem = /usr/local/armv6-portbld-freebsd11.0/include -isystem = /usr/local/armv6-portbld-freebsd11.0/sys-include -O2 -pipe = -mcpu=3Dcortex-a7 -DLIBICONV_PLUG -g -fno-strict-aliasing -O2 -O2 -pipe = -mcpu=3Dcortex-a7 -DLIBICONV_PLUG -g -fno-strict-aliasing -DIN_GCC = -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format = -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition = -isystem ./include -fPIC -pthread -fno-inline -fomit-frame-pointer -g = -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -fPIC -pthread = -fno-inline -fomit-frame-pointer -I. -I. -I../.././gcc = -I/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc = -I/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/. = -I/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/../gcc=20 > = -I/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/../include = -DHAVE_CC_TLS -o _negdi2.o -MT _negdi2.o -MD -MP -MF _negdi2.dep = -DL_negdi2 -c = /usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/libgcc2.c = -fvisibility=3Dhidden -DHIDE_EXPORTS >=20 > /usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/xgcc = -B/usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/ = -B/usr/local/armv6-portbld-freebsd11.0/bin/ = -B/usr/local/armv6-portbld-freebsd11.0/lib/ -isystem = /usr/local/armv6-portbld-freebsd11.0/include -isystem = /usr/local/armv6-portbld-freebsd11.0/sys-include -O2 -pipe = -mcpu=3Dcortex-a7 -DLIBICONV_PLUG -g -fno-strict-aliasing -O2 -O2 -pipe = -mcpu=3Dcortex-a7 -DLIBICONV_PLUG -g -fno-strict-aliasing -DIN_GCC = -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format = -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition = -isystem ./include -fPIC -pthread -fno-inline -fomit-frame-pointer -g = -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -fPIC -pthread = -fno-inline -fomit-frame-pointer -I. -I. -I../.././gcc = -I/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc = -I/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/. = -I/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/../gcc=20 > = -I/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/../include = -DHAVE_CC_TLS -o _cmpdi2.o -MT _cmpdi2.o -MD -MP -MF _cmpdi2.dep = -DL_cmpdi2 -c = /usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/libgcc2.c = -fvisibility=3Dhidden -DHIDE_EXPORTS >=20 > /usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/xgcc = -B/usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/ = -B/usr/local/armv6-portbld-freebsd11.0/bin/ = -B/usr/local/armv6-portbld-freebsd11.0/lib/ -isystem = /usr/local/armv6-portbld-freebsd11.0/include -isystem = /usr/local/armv6-portbld-freebsd11.0/sys-include -O2 -pipe = -mcpu=3Dcortex-a7 -DLIBICONV_PLUG -g -fno-strict-aliasing -O2 -O2 -pipe = -mcpu=3Dcortex-a7 -DLIBICONV_PLUG -g -fno-strict-aliasing -DIN_GCC = -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format = -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition = -isystem ./include -fPIC -pthread -fno-inline -fomit-frame-pointer -g = -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -fPIC -pthread = -fno-inline -fomit-frame-pointer -I. -I. -I../.././gcc = -I/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc = -I/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/. = -I/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/../gcc=20 > = -I/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/../include = -DHAVE_CC_TLS -o _ucmpdi2.o -MT _ucmpdi2.o -MD -MP -MF _ucmpdi2.dep = -DL_ucmpdi2 -c = /usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/libgcc2.c = -fvisibility=3Dhidden -DHIDE_EXPORTS >=20 >=20 > Unfortunately gdb does not report much directly. . . >=20 > root@bananapi-m3:/usr/ports # gdb = /usr/obj/portswork/usr/ports/lang/gcc6/work/.build/gcc/cc1 = /usr/obj/portswork/usr/ports/lang/gcc6/work/.build/armv6-portbld-freebsd11= .0/libgcc/cc1.core > GNU gdb 6.1.1 [FreeBSD] > Copyright 2004 Free Software Foundation, Inc. > GDB is free software, covered by the GNU General Public License, and = you 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. Type "show warranty" for = details. > This GDB was configured as "armv6-marcel-freebsd"... > Core was generated by = `/usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/cc1 -quiet -I = . -I . -I'. > Program terminated with signal 12, Bad system call. > Reading symbols from /usr/local/lib/libmpc.so.3...done. > Loaded symbols for /usr/local/lib/libmpc.so.3 > Reading symbols from /usr/local/lib/libmpfr.so.4...done. > Loaded symbols for /usr/local/lib/libmpfr.so.4 > Reading symbols from /usr/local/lib/libgmp.so.10...done. > Loaded symbols for /usr/local/lib/libgmp.so.10 > Reading symbols from /lib/libz.so.6...Reading symbols from = /usr/lib/debug//lib/libz.so.6.debug...done. > done. > Loaded symbols for /lib/libz.so.6 > Reading symbols from /usr/lib/libc++.so.1...Reading symbols from = /usr/lib/debug//usr/lib/libc++.so.1.debug...done. > done. > Loaded symbols for /usr/lib/libc++.so.1 > Reading symbols from /lib/libcxxrt.so.1...Reading symbols from = /usr/lib/debug//lib/libcxxrt.so.1.debug...done. > done. > Loaded symbols for /lib/libcxxrt.so.1 > Reading symbols from /lib/libm.so.5...Reading symbols from = /usr/lib/debug//lib/libm.so.5.debug...done. > done. > Loaded symbols for /lib/libm.so.5 > Reading symbols from /lib/libgcc_s.so.1...Reading symbols from = /usr/lib/debug//lib/libgcc_s.so.1.debug...done. > done. > Loaded symbols for /lib/libgcc_s.so.1 > Reading symbols from /lib/libc.so.7...Reading symbols from = /usr/lib/debug//lib/libc.so.7.debug...done. > done. > Loaded symbols for /lib/libc.so.7 > Reading symbols from /libexec/ld-elf.so.1...Reading symbols from = /usr/lib/debug//libexec/ld-elf.so.1.debug...done. > done. > Loaded symbols for /libexec/ld-elf.so.1 > #0 0xbfbf732c in ?? () > (gdb) bt > #0 0xbfbf732c in ?? () > Cannot access memory at address 0x0 > (gdb) info reg > r0 0x4e 78 > r1 0x0 0 > r2 0x17c8506 24937734 > r3 0x65 101 > r4 0xbfbf7488 -1077971832 > r5 0xbfbf7484 -1077971836 > r6 0xbfbf7488 -1077971832 > r7 0x229eab40 580823872 > r8 0x0 0 > r9 0xbfbfa23c -1077960132 > r10 0xbfbf7484 -1077971836 > r11 0x0 0 > r12 0x17ef3b1 25097137 > sp 0xbfbf7180 -1077972608 > lr 0x65 101 > pc 0xbfbf732c -1077972180 > fps 0x0 0 > cpsr 0xa0000010 -1610612720 >=20 >=20 > Using -v -save-temps on one of the failing xgcc command lines gives: >=20 > = root@bananapi-m3:/usr/obj/portswork/usr/ports/lang/gcc6/work/.build/armv6-= portbld-freebsd11.0/libgcc # = /usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/xgcc = -B/usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/ = -B/usr/local/armv6-portbld-freebsd11.0/bin/ = -B/usr/local/armv6-portbld-freebsd11.0/lib/ -isystem = /usr/local/armv6-portbld-freebsd11.0/include -isystem = /usr/local/armv6-portbld-freebsd11.0/sys-include -O2 -pipe = -mcpu=3Dcortex-a7 -DLIBICONV_PLUG -g -fno-strict-aliasing -O2 -O2 -pipe = -mcpu=3Dcortex-a7 -DLIBICONV_PLUG -g -fno-strict-aliasing -DIN_GCC = -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format = -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition = -isystem ./include -fPIC -pthread -fno-inline -fomit-frame-pointer -g = -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -fPIC -pthread = -fno-inline -fomit-frame-pointer -I. -I. -I../.././gcc = -I/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc = -I/usr/obj/portswork/usr/ports/l > ang/gcc6/work/gcc-6.2.0/libgcc/. = -I/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/../gcc = -I/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/../include = -DHAVE_CC_TLS -o _muldi3.o -MT _muldi3.o -MD -MP -MF _muldi3.dep = -DL_muldi3 -c = /usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/libgcc2.c = -fvisibility=3Dhidden -DHIDE_EXPORTS -v -save-temps > xgcc: warning: -pipe ignored because -save-temps specified > Reading specs from = /usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/specs > = COLLECT_GCC=3D/usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/xgc= c > Target: armv6-portbld-freebsd11.0 > Configured with: = /usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/configure = --disable-multilib --with-build-config=3Dbootstrap-debug --disable-nls = --enable-gnu-indirect-function --libdir=3D/usr/local/lib/gcc6 = --libexecdir=3D/usr/local/libexec/gcc6 --program-suffix=3D6 = --with-as=3D/usr/local/bin/as --with-gmp=3D/usr/local = --with-gxx-include-dir=3D/usr/local/lib/gcc6/include/c++/ = --with-ld=3D/usr/local/bin/ld --with-pkgversion=3D'FreeBSD Ports = Collection' --with-system-zlib --disable-libgcj = --enable-languages=3Dc,c++,objc,fortran --prefix=3D/usr/local = --localstatedir=3D/var --mandir=3D/usr/local/man = --infodir=3D/usr/local/info/gcc6 --build=3Darmv6-portbld-freebsd11.0 > Thread model: posix > gcc version 6.2.0 (FreeBSD Ports Collection)=20 > COLLECT_GCC_OPTIONS=3D'-B' = '/usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/' '-B' = '/usr/local/armv6-portbld-freebsd11.0/bin/' '-B' = '/usr/local/armv6-portbld-freebsd11.0/lib/' '-isystem' = '/usr/local/armv6-portbld-freebsd11.0/include' '-isystem' = '/usr/local/armv6-portbld-freebsd11.0/sys-include' '-O2' '-pipe' = '-mcpu=3Dcortex-a7' '-D' 'LIBICONV_PLUG' '-g' '-O2' '-O2' '-pipe' = '-mcpu=3Dcortex-a7' '-D' 'LIBICONV_PLUG' '-g' '-fno-strict-aliasing' = '-D' 'IN_GCC' '-Wextra' '-Wall' '-Wno-narrowing' '-Wwrite-strings' = '-Wcast-qual' '-Wformat=3D0' '-Wstrict-prototypes' = '-Wmissing-prototypes' '-Wold-style-definition' '-isystem' './include' = '-pthread' '-g' '-D' 'IN_LIBGCC2' '-fbuilding-libgcc' = '-fno-stack-protector' '-fPIC' '-pthread' '-fno-inline' = '-fomit-frame-pointer' '-I' '.' '-I' '.' '-I' '../.././gcc' '-I' = '/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc' '-I' = '/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/.' '-I' = '/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6 > .2.0/libgcc/../gcc' '-I' = '/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/../include' = '-D' 'HAVE_CC_TLS' '-o' '_muldi3.o' '-MT' '_muldi3.o' '-MD' '-MP' '-MF' = '_muldi3.dep' '-D' 'L_muldi3' '-c' '-fvisibility=3Dhidden' '-D' = 'HIDE_EXPORTS' '-v' '-save-temps' '-mtls-dialect=3Dgnu' > /usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/cc1 -E -quiet = -v -I . -I . -I ../.././gcc -I = /usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc -I = /usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/. -I = /usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/../gcc -I = /usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/../include = -iprefix = /usr/obj/portswork/usr/ports/lang/gcc6/work/.build/gcc/../lib/gcc6/gcc/arm= v6-portbld-freebsd11.0/6.2.0/ -isystem = /usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/include = -isystem = /usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/include-fixed = -MD _muldi3.d -MF _muldi3.dep -MP -MT _muldi3.o -D LIBICONV_PLUG -D = LIBICONV_PLUG -D IN_GCC -D IN_LIBGCC2 -D HAVE_CC_TLS -D L_muldi3 -D = HIDE_EXPORTS -isystem /usr/local/armv6-portbld-freebsd11.0/include = -isystem /usr/local/armv6-portbld-freebsd11.0/sys-include -isystem = ./include = /usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/libgcc2.c = -mcp > u=3Dcortex-a7 -mcpu=3Dcortex-a7 -mtls-dialect=3Dgnu -Wextra -Wall = -Wno-narrowing -Wwrite-strings -Wcast-qual -Wformat=3D0 = -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition = -fno-strict-aliasing -fbuilding-libgcc -fno-stack-protector -fPIC = -fno-inline -fomit-frame-pointer -fvisibility=3Dhidden -g -g -g = -fworking-directory -O2 -O2 -O2 -fpch-preprocess -o libgcc2.i > ignoring nonexistent directory = "/usr/local/armv6-portbld-freebsd11.0/include" > ignoring nonexistent directory = "/usr/local/armv6-portbld-freebsd11.0/sys-include" > ignoring nonexistent directory "./include" > ignoring nonexistent directory = "/usr/obj/portswork/usr/ports/lang/gcc6/work/.build/gcc/../lib/gcc6/gcc/ar= mv6-portbld-freebsd11.0/6.2.0/include" > ignoring nonexistent directory = "/usr/obj/portswork/usr/ports/lang/gcc6/work/.build/gcc/../lib/gcc6/gcc/ar= mv6-portbld-freebsd11.0/6.2.0/include-fixed" > ignoring nonexistent directory = "/usr/obj/portswork/usr/ports/lang/gcc6/work/.build/gcc/../lib/gcc6/gcc/ar= mv6-portbld-freebsd11.0/6.2.0/../../../../../armv6-portbld-freebsd11.0/inc= lude" > ignoring nonexistent directory = "/usr/obj/portswork/usr/ports/lang/gcc6/work/.build/gcc/../lib/gcc6/gcc/..= /../../lib/gcc6/gcc/armv6-portbld-freebsd11.0/6.2.0/include" > ignoring nonexistent directory = "/usr/obj/portswork/usr/ports/lang/gcc6/work/.build/gcc/../lib/gcc6/gcc/..= /../../lib/gcc6/gcc/armv6-portbld-freebsd11.0/6.2.0/include-fixed" > ignoring nonexistent directory = "/usr/obj/portswork/usr/ports/lang/gcc6/work/.build/gcc/../lib/gcc6/gcc/..= /../../lib/gcc6/gcc/armv6-portbld-freebsd11.0/6.2.0/../../../../../armv6-p= ortbld-freebsd11.0/include" > ignoring duplicate directory "." > ignoring duplicate directory = "/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/." > #include "..." search starts here: > #include <...> search starts here: > . > ../.././gcc > /usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc > /usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/../gcc > = /usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/../include > /usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/include > /usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/include-fixed > /usr/local/include > /usr/include > End of search list. > COLLECT_GCC_OPTIONS=3D'-B' = '/usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/' '-B' = '/usr/local/armv6-portbld-freebsd11.0/bin/' '-B' = '/usr/local/armv6-portbld-freebsd11.0/lib/' '-isystem' = '/usr/local/armv6-portbld-freebsd11.0/include' '-isystem' = '/usr/local/armv6-portbld-freebsd11.0/sys-include' '-O2' '-pipe' = '-mcpu=3Dcortex-a7' '-D' 'LIBICONV_PLUG' '-g' '-O2' '-O2' '-pipe' = '-mcpu=3Dcortex-a7' '-D' 'LIBICONV_PLUG' '-g' '-fno-strict-aliasing' = '-D' 'IN_GCC' '-Wextra' '-Wall' '-Wno-narrowing' '-Wwrite-strings' = '-Wcast-qual' '-Wformat=3D0' '-Wstrict-prototypes' = '-Wmissing-prototypes' '-Wold-style-definition' '-isystem' './include' = '-pthread' '-g' '-D' 'IN_LIBGCC2' '-fbuilding-libgcc' = '-fno-stack-protector' '-fPIC' '-pthread' '-fno-inline' = '-fomit-frame-pointer' '-I' '.' '-I' '.' '-I' '../.././gcc' '-I' = '/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc' '-I' = '/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/.' '-I' = '/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6 > .2.0/libgcc/../gcc' '-I' = '/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/../include' = '-D' 'HAVE_CC_TLS' '-o' '_muldi3.o' '-MT' '_muldi3.o' '-MD' '-MP' '-MF' = '_muldi3.dep' '-D' 'L_muldi3' '-c' '-fvisibility=3Dhidden' '-D' = 'HIDE_EXPORTS' '-v' '-save-temps' '-mtls-dialect=3Dgnu' > /usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/cc1 = -fpreprocessed libgcc2.i -quiet -dumpbase libgcc2.c -mcpu=3Dcortex-a7 = -mcpu=3Dcortex-a7 -mtls-dialect=3Dgnu -auxbase-strip _muldi3.o -g -g -g = -O2 -O2 -O2 -Wextra -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual = -Wformat=3D0 -Wstrict-prototypes -Wmissing-prototypes = -Wold-style-definition -version -fno-strict-aliasing -fbuilding-libgcc = -fno-stack-protector -fPIC -fno-inline -fomit-frame-pointer = -fvisibility=3Dhidden -o libgcc2.s > GNU C11 (FreeBSD Ports Collection) version 6.2.0 = (armv6-portbld-freebsd11.0) > compiled by GNU C version 4.2.1 Compatible FreeBSD Clang 3.8.0 = (tags/RELEASE_380/final 262564), GMP version 5.1.3, MPFR version 3.1.5, = MPC version 1.0.3, isl version none > GGC heuristics: --param ggc-min-expand=3D30 --param = ggc-min-heapsize=3D4096 > GNU C11 (FreeBSD Ports Collection) version 6.2.0 = (armv6-portbld-freebsd11.0) > compiled by GNU C version 4.2.1 Compatible FreeBSD Clang 3.8.0 = (tags/RELEASE_380/final 262564), GMP version 5.1.3, MPFR version 3.1.5, = MPC version 1.0.3, isl version none > GGC heuristics: --param ggc-min-expand=3D30 --param = ggc-min-heapsize=3D4096 > Compiler executable checksum: 8858bcab14af90339532fc36ec745f79 > xgcc: internal compiler error: Bad system call (program cc1) > Please submit a full bug report, > with preprocessed source if appropriate. > See for instructions. >=20 > = root@bananapi-m3:/usr/obj/portswork/usr/ports/lang/gcc6/work/.build/armv6-= portbld-freebsd11.0/libgcc # ls -lt | head > total 12712 > -rw------- 1 root wheel 12181504 Oct 25 16:57 cc1.core > -rw-r--r-- 1 root wheel 0 Oct 25 16:57 libgcc2.s > -rw-r--r-- 1 root wheel 108880 Oct 25 16:57 libgcc2.i > -rw-r--r-- 1 root wheel 7636 Oct 25 16:57 _muldi3.dep > -rw-r--r-- 1 root wheel 560 Oct 25 10:16 _ucmpdi2.o > -rw-r--r-- 1 root wheel 560 Oct 25 10:16 _cmpdi2.o > -rw-r--r-- 1 root wheel 560 Oct 25 10:16 _negdi2.o > -rw-r--r-- 1 root wheel 560 Oct 25 10:16 _muldi3.o > -rw-r--r-- 1 root wheel 1784 Oct 25 10:16 _dvmd_lnx_s.o >=20 > Unfortunately direct execution of the reported cc1 command on the = libgcc2.i in question does not fail. >=20 > Attempting to run the xgcc command under truss got a segmentation = fault in truss itself: >=20 > = root@bananapi-m3:/usr/obj/portswork/usr/ports/lang/gcc6/work/.build/armv6-= portbld-freebsd11.0/libgcc # truss -faeH -o truss.log = /usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/xgcc = -B/usr/obj/portswork/usr/ports/lang/gcc6/work/.build/./gcc/ = -B/usr/local/armv6-portbld-freebsd11.0/bin/ = -B/usr/local/armv6-portbld-freebsd11.0/lib/ -isystem = /usr/local/armv6-portbld-freebsd11.0/include -isystem = /usr/local/armv6-portbld-freebsd11.0/sys-include -O2 -pipe = -mcpu=3Dcortex-a7 -DLIBICONV_PLUG -g -fno-strict-aliasing -O2 -O2 -pipe = -mcpu=3Dcortex-a7 -DLIBICONV_PLUG -g -fno-strict-aliasing -DIN_GCC -W = -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format = -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem = ./include -fPIC -pthread -fno-inline -fomit-frame-pointer -g = -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -fPIC -pthread = -fno-inline -fomit-frame-pointer -I. -I. -I../.././gcc = -I/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc = -I/usr/obj/portswork > /usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/. = -I/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/../gcc = -I/usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/../include = -DHAVE_CC_TLS -o _muldi3.o -MT _muldi3.o -MD -MP -MF _muldi3.dep = -DL_muldi3 -c = /usr/obj/portswork/usr/ports/lang/gcc6/work/gcc-6.2.0/libgcc/libgcc2.c = -fvisibility=3Dhidden -DHIDE_EXPORTS > Segmentation fault (core dumped) >=20 > [There is a separate buzilla report about this truss failure.] >=20 > =3D=3D=3D > Mark Millard > markmi at dsl-only.net