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[77.162.229.73]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5a30a4d6fadsm630749a12.6.2024.07.18.23.53.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Jul 2024 23:53:26 -0700 (PDT) Sender: Domenico Andreoli Date: Fri, 19 Jul 2024 08:53:24 +0200 From: Domenico Andreoli To: Arnaldo Carvalho de Melo Cc: Ben Hutchings , 1076564@bugs.debian.org, dwarves@vger.kernel.org Subject: Re: Bug#1076564: pahole BTF processing seems flaky on powerpc Message-ID: References: <172133976964.70930.13662511677581571913.reportbug@deadeye.wl.decadent.org.uk> Precedence: bulk X-Mailing-List: dwarves@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="/5XBgT0oFmGrBoLE" Content-Disposition: inline In-Reply-To: <172133976964.70930.13662511677581571913.reportbug@deadeye.wl.decadent.org.uk> --/5XBgT0oFmGrBoLE Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi Arnaldo, On Thu, Jul 18, 2024 at 11:56:09PM +0200, Ben Hutchings wrote: > Package: pahole > Version: 1.27-1 > Severity: normal > X-Debbugs-Cc: debian-kernel@lists.debian.org >=20 > Several kernel builds on powerpc have failed recently: >=20 > 6.8.12-1: https://buildd.debian.org/status/fetch.php?pkg=3Dlinux&arch= =3Dpowerpc&ver=3D6.8.12-1&stamp=3D1717234422&raw=3D1 > 6.9.9-1: https://buildd.debian.org/status/fetch.php?pkg=3Dlinux&arch= =3Dpowerpc&ver=3D6.9.9-1&stamp=3D1720906547&raw=3D1 > 6.10-1~exp1: https://buildd.debian.org/status/fetch.php?pkg=3Dlinux&arch= =3Dpowerpc&ver=3D6.10-1%7Eexp1&stamp=3D1721287862&raw=3D1 >=20 > Note, these log files are up to 270 MB in size and should be > downloaded; at least Firefox becomes unresponsive when trying to > display them. >=20 > For each of these, the failure seems to start with an error from > pahole such as: >=20 > [102044] ARRAY (anon) type_id=3D99491 index_type_id=3D14 nr_elems=3D1= 2 Error emitting BTF type > Encountered error while encoding BTF. Does the above error ring any bell? Is there anything I can do to help? >=20 > This does *not* happen consistently. Compare these successful > builds: >=20 > 6.8.12-1: https://buildd.debian.org/status/fetch.php?pkg=3Dlinux&arch= =3Dpowerpc&ver=3D6.8.12-1&stamp=3D1717278092&raw=3D1 > - This same version failed to build on the first try. > 6.9.7-1: https://buildd.debian.org/status/fetch.php?pkg=3Dlinux&arch= =3Dpowerpc&ver=3D6.9.7-1&stamp=3D1719538806&raw=3D1 > - Earlier and later 6.9.x versions failed to build. >=20 > Both pahole versions 1.26-1 and 1.27-1 have been used in both > successful and failing builds. >=20 > Ben. >=20 > -- System Information: > Debian Release: trixie/sid > APT prefers unstable-debug > APT policy: (500, 'unstable-debug'), (500, 'stable-updates'), (500, 'st= able-security'), (500, 'oldstable-updates'), (500, 'oldstable-security'), (= 500, 'oldoldstable-updates'), (500, 'oldoldstable'), (500, 'unstable'), (50= 0, 'stable'), (500, 'oldstable'), (1, 'experimental') > Architecture: amd64 (x86_64) > Foreign Architectures: i386 >=20 > Kernel: Linux 6.9.9-amd64 (SMP w/12 CPU threads; PREEMPT) > Locale: LANG=3Den_GB.UTF-8, LC_CTYPE=3Den_GB.UTF-8 (charmap=3DUTF-8), LAN= GUAGE not set > Shell: /bin/sh linked to /usr/bin/dash > Init: systemd (via /run/systemd/system) > LSM: AppArmor: enabled >=20 > Versions of packages pahole depends on: > ii libbpf1 1:1.4.3-1 > ii libc6 2.39-4 > ii libdw1t64 0.191-2 > ii libelf1t64 0.191-2 > ii zlib1g 1:1.3.dfsg+really1.3.1-1 >=20 > pahole recommends no packages. >=20 > pahole suggests no packages. >=20 > -- debconf-show failed --=20 rsa4096: 3B10 0CA1 8674 ACBA B4FE FCD2 CE5B CF17 9960 DE13 ed25519: FFB4 0CC3 7F2E 091D F7DA 356E CC79 2832 ED38 CB05 --/5XBgT0oFmGrBoLE Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEIhioiE2Z74CX+BiELwJgSGECT1EFAmaaDWAACgkQLwJgSGEC T1G1+Q/+LcDGT/BEDOp/47JrvMrbEGXxr3YNXneBWeB62FoHCDtRjTCNkJh4Ml4M 3PJSovR5Lw4qHlNbPgmadZ9T06MPTKXkr7m5tTiHQssKEzCFyXHwF/IG1oo4Kjpa sfHfs8n6mo6pB88Z0ygC43oRhhiXkQdEMpwYvo/Iqd3tLEQpwFosvBwhvFNAgWa/ S5+PQUpLnlTtSEeYlPE7+HTSmqy7iutwzxrWE53vLsE22dYRWNRCN7IZqop3Fv+1 90l9XFXuct/uR0hzFutFY8yAyDSHRSnctMNtp5m8uXb3RF5PhBPFrBjLbVy+HWKE miW7bm8L3KiNUvrRY+g82mlpqaXicYTKCGFty40Qa2Sy7pim2WzUj8pual1uHfP6 bx1w6W70LaZ5XGIjJgSGJhkOt7doURgso/U56F02R/cc5E2Y/eio5Usr2oj6cHPg PtxrHsVsH3pBclKJ+wWU3i3Qf4Ml1nvo96eSY32M2PEP37bLxhzZ36Qv26PGhznU gdw2z04gqVneCz2Hy74jXeNjU7GTGmAUtrDMtmd55yHymByFkmQIgOn+w26+NcZg uMJ9VXADI+8EwX23Wh+z8K7Ao32S06x7ul6WWfFqImNoEAILfZWuzMouj9fZzIWd SWwsguY0qPfr8FnHRCD7WJgJHqWsHku3jLjRJrZIP+Bh7Y05/vI= =7d7f -----END PGP SIGNATURE----- --/5XBgT0oFmGrBoLE--