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Sun, 21 May 2023 23:22:11 GMT (envelope-from git) Date: Sun, 21 May 2023 23:22:11 GMT Message-Id: <202305212322.34LNMBll058504@gitrepo.freebsd.org> To: doc-committers@FreeBSD.org, dev-commits-doc-all@FreeBSD.org From: Ed Maste Subject: git: 816e51eadb - main - 13.2 relnotes: clarify page invalidation hardware bug List-Id: Commit messages for all branches of the doc repository List-Archive: https://lists.freebsd.org/archives/dev-commits-doc-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-doc-all@freebsd.org X-BeenThere: dev-commits-doc-all@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: emaste X-Git-Repository: doc X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 816e51eadb5edc5f95a01007cd069f8c68c67fd1 Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch main has been updated by emaste: URL: https://cgit.FreeBSD.org/doc/commit/?id=816e51eadb5edc5f95a01007cd069f8c68c67fd1 commit 816e51eadb5edc5f95a01007cd069f8c68c67fd1 Author: Ed Maste AuthorDate: 2023-05-21 23:17:10 +0000 Commit: Ed Maste CommitDate: 2023-05-21 23:20:58 +0000 13.2 relnotes: clarify page invalidation hardware bug Event: Kitchener-Waterloo Hackathon 2023 Sponsored by: The FreeBSD Foundation --- website/content/en/releases/13.2R/relnotes.adoc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/website/content/en/releases/13.2R/relnotes.adoc b/website/content/en/releases/13.2R/relnotes.adoc index c32744dc88..f0924ac169 100644 --- a/website/content/en/releases/13.2R/relnotes.adoc +++ b/website/content/en/releases/13.2R/relnotes.adoc @@ -245,7 +245,7 @@ To disable ASLR for all invocations of a binary, use the man:elfctl[1] command: Problems should be reported via the problem reporting system, https://bugs.freebsd.org[], or posting to the `freebsd-stable@FreeBSD.org` mailing list. gitref:10192e77cfac[repository=src] (Sponsored by Stormshield) -A workaround has been implemented for an apparent hardware page invalidation problem on Intel Alder Lake (twelfth generation) and probably Raptor Lake (thirteenth generation) hybrid CPUs. +A workaround has been implemented for a hardware page invalidation problem on Intel Alder Lake (twelfth generation) and Raptor Lake (thirteenth generation) hybrid CPUs. The bug can lead to file system corruption with UFS and MSDOSFS, and probably other memory corruption. The slower cores (E-cores) automatically use a slower method of page invalidation with the workaround. gitref:567cc4e6bfd9[repository=src] (Sponsored by The FreeBSD Foundation)