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Wed, 23 Jun 2021 21:03:49 +0000 Received: by kubenode537.mail-prod1.omega.bf1.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 319162b11ff0b3ea1d2c9ebd79a66386; Wed, 23 Jun 2021 21:03:45 +0000 (UTC) Content-Type: text/plain; charset=utf-8 List-Id: Maintenance List-Archive: https://lists.freebsd.org/archives/freebsd-toolchain List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-toolchain@freebsd.org X-BeenThere: freebsd-toolchain@freebsd.org Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.100.0.2.22\)) Subject: Re: llvm10 build failure on Rpi3 In-Reply-To: <20210623174338.GA84853@www.zefox.net> Date: Wed, 23 Jun 2021 14:03:42 -0700 Cc: FreeBSD ports , freebsd-arm , FreeBSD Toolchain Content-Transfer-Encoding: quoted-printable Message-Id: <6F0CF2F3-A298-4CEA-AA07-B79810F3E8CF@yahoo.com> References: <20210623050958.GA79888@www.zefox.net> <20210623174338.GA84853@www.zefox.net> To: bob prohaska X-Mailer: Apple Mail (2.3654.100.0.2.22) X-Rspamd-Queue-Id: 4G9G2v4PQkz3vB7 X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] Reply-To: marklmi@yahoo.com From: Mark Millard via freebsd-ports X-Original-From: Mark Millard X-ThisMailContainsUnwantedMimeParts: N On 2021-Jun-23, at 10:43, bob prohaska wrote: > On Wed, Jun 23, 2021 at 01:34:55AM -0700, Mark Millard wrote: >>=20 >> Not that it helps much, but: 2779096485 =3D=3D 0xA5A5A5A5 >>=20 >> It appears that such somehow was involved-in/generated by: >>=20 >> [ 24% 1326/5364] cd /wrkdirs/usr/ports/devel/llvm10/work/.build && = /wrkdirs/usr/ports/devel/llvm10/work/.build/bin/llvm-tblgen = -gen-global-isel -I = /wrkdirs/usr/ports/devel/llvm10/work/llvm-10.0.1.src/lib/Target/AMDGPU = -I /wrkdirs/usr/ports/devel/llvm10/work/llvm-10.0.1.src/include -I = /wrkdirs/usr/ports/devel/llvm10/work/llvm-10.0.1.src/lib/Target = /wrkdirs/usr/ports/devel/llvm10/work/llvm-10.0.1.src/lib/Target/AMDGPU/AMD= GPUGISel.td --write-if-changed -o = lib/Target/AMDGPU/AMDGPUGenGlobalISel.inc -d = lib/Target/AMDGPU/AMDGPUGenGlobalISel.inc.d >>=20 >> and that lead to the commented out notation in the output, with the = "@2779096485" listed in the comment as well. >>=20 >=20 > A Pi4 doing a bulk build of chromium, lxqt and apache has gone far = past that > point building llvm10, suggesting the fault lies somewhere in my = setup. I'm not so sure of that for the 0xA5A5A5A5u value. You run main [so: 14 at this point]. Is it a debug build? Or a non-debug build? I expect that 0xA5A5A5A5u has some specific debug-build potential meaning. For example, 0xA5u byte values might be the value that newly allocated memory is initialized to. Looking . . . man jemalloc (the memory allocator implementation used by FreeBSD) reports: opt.junk (const char *) r- [--enable-fill] Junk filling. If set to =E2=80=9Calloc=E2=80=9D, each byte of = uninitialized allocated memory will be initialized to 0xa5. If set to = =E2=80=9Cfree=E2=80=9D, all deallocated memory will be initialized to 0x5a. If set to = =E2=80=9Ctrue=E2=80=9D, both allocated and deallocated memory will be initialized, = and if set to =E2=80=9Cfalse=E2=80=9D, junk filling be disabled = entirely. This is intended for debugging and will impact performance negatively. This = option is =E2=80=9Cfalse=E2=80=9D by default unless --enable-debug = is specified during configuration, in which case it is =E2=80=9Ctrue=E2=80=9D by = default. So, if you have junk filling enabled, I expect that you ran into a legitimate defect in the llvm-tblgen in use. Having Junk Filling disabled might be a workaround. There is /etc/malloc.conf as a way of controlling the behavior: ln -s 'junk:false' /usr/local/poudriere/poudriere-system/etc/malloc.conf I suggest you retry building after getting the above in place. If it does not get the 0xA5A5A5A5u value, that would be more evidence of a uninitialized-memory defect in the llvm-tblgen involved. I do not normally run debug builds and so would not have run into 0xA5A5A5A5u from Junk Filling of memory allocations. I'm not sure when I can setup and do a junk filling experiment (in a debug main build?). But it looks like some independent compare/contrast activity might be appropriate. > The instructions you gave for setting up poudriere seemed to work = perfectly > initially, but since that time both world and kernel have been updated > along with ports. Is it necessary or advisable to alter = /usr/local/poudriere, > either by update commands or complete replacement?=20 I will note that your log file reports: Host OSVERSION: 1400023 Jail OSVERSION: 1400019 So your jail's OSVERSION is older than the environment that it is running in. (Unlikely to contribute to the 0xA5A5A5A5u as far as I can tell.) In other words, you have not updated your: /usr/local/poudriere/poudriere-system/ to 1400023 as far as I can tell. Separately from that, for poudriere itself: I do not know if you are using ports-mgmt/poudriere-devel vs. ports-mgmt/poudriere . But, whichever, it is a port and is one of the ports that should be built when it has updated when you update /usr/ports content and should then have its install be updated via pkg like the other ports. I list ports-mgmt/poudriere-devel in the file with the other ports that I list in ~/origins/CA72-origins.txt and I use that file via -f in the bulk command. But nothing about these is likely to avoid the 0xA5A5A5A5u issue that you ran into. =3D=3D=3D Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)