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Date:      Sun, 15 Sep 2013 16:02:19 -0600
From:      Warner Losh <imp@bsdimp.com>
To:        Paul Mather <paul@gromit.dlib.vt.edu>
Cc:        freebsd-arm <freebsd-arm@freebsd.org>
Subject:   Re: A successful native build using clang at last---just!
Message-ID:  <144C741C-550E-4874-9F10-093959204270@bsdimp.com>
In-Reply-To: <48D945AB-1303-4ECB-9250-1DEA548FAECA@gromit.dlib.vt.edu>
References:  <581873CA-BFB9-4287-9DFE-46A262B4459A@gromit.dlib.vt.edu> <D4AAAC09-3C46-4FFD-9A82-65EC1A94139F@bsdimp.com> <48D945AB-1303-4ECB-9250-1DEA548FAECA@gromit.dlib.vt.edu>

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On Sep 15, 2013, at 3:52 PM, Paul Mather wrote:

> On Sep 15, 2013, at 5:34 PM, Warner Losh <imp@bsdimp.com> wrote:
>=20
>> Do you have swap space configured? clang building clang takes a lot =
of memory...
>=20
> Yes, I have swap space configured (see item 2 below).  It's on an =
external USB drive (as are /usr/src and /usr/obj), and the swap =
partition is 2 GB in size.

2GB might not be enough...   I always configure 6GB of swap, but I use a =
sparse zerod file to do it. Might be worth a shot...

> Note, this is a native build.  I don't have problems cross-building =
FreeBSD/arm using Crochet on FreeBSD/amd64.

Yea, amd64 machine likely has lots of memory...

Warner

> Cheers,
>=20
> Paul.
>=20
>>=20
>> Warner
>>=20
>>=20
>> On Sep 15, 2013, at 3:19 PM, Paul Mather wrote:
>>=20
>>> After quite a bit of trying, I finally was able to complete a native =
build and upgrade using clang on FreeBSD/arm.  I used r255420 as the =
build platform and was able to upgrade to r255586 on my Raspberry Pi.
>>>=20
>>> Here are some observations:
>>>=20
>>> 1) For some reason this same upgrade failed on my BeagleBone Black =
(also running r255420).  It fails early on with this error and doesn't =
get past it:
>>>=20
>>> [[...]]
>>> c++  -O -pipe =
-I/usr/src/lib/clang/libllvmtablegen/../../../contrib/llvm/include =
-I/usr/src/lib/clang/libllvmtablegen/../../../contrib/llvm/tools/clang/inc=
lude =
-I/usr/src/lib/clang/libllvmtablegen/../../../contrib/llvm/lib/TableGen =
-I. =
-I/usr/src/lib/clang/libllvmtablegen/../../../contrib/llvm/../../lib/clang=
/include -DLLVM_ON_UNIX -DLLVM_ON_FREEBSD -D__STDC_LIMIT_MACROS =
-D__STDC_CONSTANT_MACROS -fno-strict-aliasing =
-DLLVM_DEFAULT_TARGET_TRIPLE=3D\"armv6-gnueabi-freebsd10.0\" =
-DLLVM_HOST_TRIPLE=3D\"armv6-unknown-freebsd10.0\" =
-DDEFAULT_SYSROOT=3D\"\" -I/usr/obj/usr/src/tmp/legacy/usr/include =
-Wno-c++11-extensions -fno-exceptions -fno-rtti -c =
/usr/src/lib/clang/libllvmtablegen/../../../contrib/llvm/lib/TableGen/TGPa=
rser.cpp -o TGParser.o
>>> Assertion failed: (!FoundVal && "Key already in new map?"), function =
moveFromOldBuckets, file =
/usr/src/lib/clang/libclangast/../../../contrib/llvm/include/llvm/ADT/Dens=
eMap.h, line 289.
>>> Stack dump:
>>> 0.	Program arguments: /usr/bin/c++ -cc1 -triple =
armv6--freebsd10.0-gnueabi -S -disable-free -main-file-name TGParser.cpp =
-mrelocation-model static -mdisable-fp-elim -relaxed-aliasing =
-mconstructor-aliases -target-abi aapcs-linux -target-cpu arm1136jf-s =
-msoft-float -mfloat-abi soft -target-feature +soft-float =
-target-feature +soft-float-abi -target-feature -neon -coverage-file =
/tmp/TGParser-KtbaOq.s -resource-dir /usr/bin/../lib/clang/3.3 -D =
LLVM_ON_UNIX -D LLVM_ON_FREEBSD -D __STDC_LIMIT_MACROS -D =
__STDC_CONSTANT_MACROS -D =
LLVM_DEFAULT_TARGET_TRIPLE=3D"armv6-gnueabi-freebsd10.0" -D =
LLVM_HOST_TRIPLE=3D"armv6-unknown-freebsd10.0" -D DEFAULT_SYSROOT=3D"" =
-I /usr/src/lib/clang/libllvmtablegen/../../../contrib/llvm/include -I =
/usr/src/lib/clang/libllvmtablegen/../../../contrib/llvm/tools/clang/inclu=
de -I =
/usr/src/lib/clang/libllvmtablegen/../../../contrib/llvm/lib/TableGen -I =
. -I =
/usr/src/lib/clang/libllvmtablegen/../../../contrib/llvm/../../lib/clang/i=
nclude -I /usr/obj/usr/src/tmp/l
>>> egacy/usr/include -internal-isystem /usr/include/c++/v1 -O2 =
-Wno-c++11-extensions -fdeprecated-macro -fno-dwarf-directory-asm =
-fdebug-compilation-dir =
/usr/obj/usr/src/tmp/usr/src/lib/clang/libllvmtablegen -ferror-limit 19 =
-fmessage-length 0 -mstackrealign -fno-rtti -fno-signed-char =
-fobjc-runtime=3Dgnustep -fobjc-default-synthesize-properties =
-fdiagnostics-show-option -backend-option -vectorize-loops -o =
/tmp/TGParser-KtbaOq.s -x c++ =
/usr/src/lib/clang/libllvmtablegen/../../../contrib/llvm/lib/TableGen/TGPa=
rser.cpp=20
>>> 1.	/usr/include/c++/v1/locale:3072:48: current parser token 'init'
>>> 2.	/usr/include/c++/v1/locale:205:1 =
<Spelling=3D/usr/include/c++/v1/__config:321:37>: parsing namespace =
'std'
>>> 3.	/usr/include/c++/v1/locale:205:1 =
<Spelling=3D/usr/include/c++/v1/__config:321:59>: parsing namespace =
'__1'
>>> c++: error: unable to execute command: Abort trap (core dumped)
>>> c++: error: clang frontend command failed due to signal (use -v to =
see invocation)
>>> FreeBSD clang version 3.3 (tags/RELEASE_33/final 183502) 20130610
>>> Target: armv6--freebsd10.0-gnueabi
>>> Thread model: posix
>>> c++: note: diagnostic msg: PLEASE submit a bug report to =
http://llvm.org/bugs/ and include the crash backtrace, preprocessed =
source, and associated run script.
>>> c++: note: diagnostic msg: Error generating preprocessed source(s).
>>> *** Error code 254
>>>=20
>>> Stop.
>>> make[3]: stopped in /usr/src/lib/clang/libllvmtablegen
>>> *** Error code 1
>>>=20
>>> Stop.
>>> make[2]: stopped in /usr/src
>>> *** Error code 1
>>>=20
>>> Stop.
>>> make[1]: stopped in /usr/src
>>> *** Error code 1
>>>=20
>>> Stop.
>>> make: stopped in /usr/src
>>>=20
>>> 2) The successful upgrade on Raspberry Pi had to be restarted a =
couple of times (using -DNO_CLEAN) due to hangs.  I have noticed =
problems with the system when swap is used.  Paging out to swap seems =
okay, but processes appear to die when they are paged back in from swap. =
 Sometimes, this hangs the system.
>>>=20
>>> 3) FWIW, I am running with super pages enabled: =
vm.pmap.sp_enabled=3D1.
>>>=20
>>> Cheers,
>>>=20
>>> Paul.
>>> _______________________________________________
>>> freebsd-arm@freebsd.org mailing list
>>> http://lists.freebsd.org/mailman/listinfo/freebsd-arm
>>> To unsubscribe, send any mail to =
"freebsd-arm-unsubscribe@freebsd.org"
>>=20
>=20




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