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Tue, 25 Jul 2023 02:59:47 -0700 (PDT) MIME-Version: 1.0 References: <20230721160528.800311148@linuxfoundation.org> In-Reply-To: From: Alexander Potapenko Date: Tue, 25 Jul 2023 11:59:06 +0200 Message-ID: Subject: Re: [PATCH 6.4 000/292] 6.4.5-rc1 review To: Naresh Kamboju Cc: Linus Torvalds , Muchun Song , Marco Elver , Roman Gushchin , Andrew Morton , Linux-MM Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspam-User: X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: E403B160008 X-Stat-Signature: 16nwi9aokxuwqyo368dmbuzkw56tqwa6 X-HE-Tag: 1690279188-291927 X-HE-Meta: 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 nl1Nz+sB 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, Jul 24, 2023 at 2:10=E2=80=AFPM Naresh Kamboju wrote: > > On Mon, 24 Jul 2023 at 15:50, Alexander Potapenko wro= te: > > > > On Sat, Jul 22, 2023 at 6:37=E2=80=AFPM Linus Torvalds > > wrote: > > > > > > [ Removed the stable reviewers, bringing in the kfence people ] > > > > > > See > > > > > > https://lore.kernel.org/lkml/CA+G9fYvgy22wiY=3Dc3wLOrCM6o33636abhtE= ynXhJkqxJh4ca0A@mail.gmail.com/ > > > > > > for the original report. The warning was introduced in 8f0b36497303 > > > ("mm: kfence: fix objcgs vector allocation"), and Google doesn't find > > > any other cases of this. > > > > > > Anybody? > > > > > > Linus > > > > > > > > > > > NOTE: > > > > The following kernel warning was noticed while booting qemu-arm64 > > > > with these configs enabled on stable rc 6.4.5-rc1. > > > > > > > > CONFIG_ARM64_64K_PAGES=3Dy > > > > CONFIG_KFENCE=3Dy > > > > Is there a full config somewhere? > > Please find build details > - https://storage.tuxsuite.com/public/linaro/lkft/builds/2StEPFnEfoD076P= Ru8fIxjexhnM/ > - https://storage.tuxsuite.com/public/linaro/lkft/builds/2StEPFnEfoD076P= Ru8fIxjexhnM/config > - https://storage.tuxsuite.com/public/linaro/lkft/builds/2StEPFnEfoD076P= Ru8fIxjexhnM/vmlinux.xz > - https://storage.tuxsuite.com/public/linaro/lkft/builds/2StEPFnEfoD076P= Ru8fIxjexhnM/System.map > - https://storage.tuxsuite.com/public/linaro/lkft/builds/2StEPFnEfoD076P= Ru8fIxjexhnM/Image.gz I am afraid it still doesn't help much. I installed tuxmake into a virtualenv and tried running: $ tuxmake --runtime podman --target-arch arm64 --toolchain gcc-12 --kconfig https://storage.tuxsuite.com/public/linaro/lkft/builds/2StEPFnEfo= D076PRu8fIxjexhnM/config , but after downloading some Docker stuff it died with the following error: Error: copying system image from manifest list: writing blob: adding layer with blob "sha256:faef57eae888cbe4a5613eca6741b5e48d768b83f6088858aee9a5a2834f8151": processing tar file(potentially insufficient UIDs or GIDs available in user namespace (requested 0:42 for /etc/gshadow): Check /etc/subuid and /etc/subgid if configured locally and run podman-system-migrate: lchown /etc/gshadow: invalid argument): exit status 1 I also tried building with the config you provided, but the resulting kernel didn't boot with my existing rootfs. The third attempt was to take a config that's known to work, and enable CONFIG_ARM64_64K_PAGES=3Dy in it, and boot on a rootfs that's known to work, but it didn't boot either, claiming that "/sbin/init exists but couldn't execute it". Are there any additional requirements to rootfs related to 64k pages? Or maybe there's a system image somewhere at tuxsite.com that I can use?