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To: Nicholas Piggin Cc: "linux-mm@kvack.org" Subject: Re: BUG: Bad page map in process init pte:c0ab684c pmd:01182000 (on a PowerMac G4 DP) Message-ID: <20221218234734.1bba3d15@yea> In-Reply-To: <2157b904-e355-ff08-41a7-e1df64984681@csgroup.eu> References: <20221130224402.15c0cf8b@yea> <20221217223952.74cef210@yea> <2157b904-e355-ff08-41a7-e1df64984681@csgroup.eu> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-MBO-RS-ID: aaf4b61c9c785bb5af4 X-MBO-RS-META: jp6pfowr8h1stufsrtaqkk9xczyzd9ye X-Rspam-User: X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 810B9180011 X-Stat-Signature: s6efcxkqfg1udnx6qjrboa46b3d1a14w X-HE-Tag: 1671403662-964254 X-HE-Meta: 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.001469, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Sun, 18 Dec 2022 11:38:55 +0000 Christophe Leroy wrote: > That 'stress' tool doesn't seem to be part of memtester. Where can I > find it ? It's in Gentoos' package repository. Source is at: https://salsa.debian.org/debian/stress > Did you try on other targets that G4 ? Today I tried memtester + stress on the G5 and the Talos II running 6.1.0. Both run fine and show no such memory corruption. > Did you try with a non SMP kernel ? Ah! When I use 6.1.0 with disabled SMP (# CONFIG_SMP is not set) memtester + stress don't provoke memory corruption on the G4! Regards, Erhard