Linux 7.2-rc6 Fixes Some AMD Zen 5 CPUs Being Mistakenly Identified As Zen 6
Linux 7.2-rc6 Fixes Some AMD Zen 5 CPUs Being Mistakenly Identified As Zen 6 Written by Michael Larabel in AMD on 2 August 2026 at 06:25 AM EDT. Add A Comment Today's batch of x86 fixes for the kernel ahead of the Linux 7.2-rc6 release later in the day addresses some AMD Zen 5 processors mistakenly being classified as Zen 6. A patch merged to the Linux kernel earlier this summer added more Zen 6 models to the kernel with the 0xd0 to 0xef IDs in Family 1Ah.
- ▪Linux 7.2-rc6 Fixes Some AMD Zen 5 CPUs Being Mistakenly Identified As Zen 6 Written by Michael Larabel in AMD on 2 August 2026 at 06:25 AM EDT.
- ▪Add A Comment Today's batch of x86 fixes for the kernel ahead of the Linux 7.2-rc6 release later in the day addresses some AMD Zen 5 processors mistakenly being classified as Zen 6.
- ▪A patch merged to the Linux kernel earlier this summer added more Zen 6 models to the kernel with the 0xd0 to 0xef IDs in Family 1Ah.
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| Original publisher | Phoronix |
| Canonical URL | https://www.phoronix.com/news/Linux-7.2-rc6-Fixing-Zen-5-IDs |
| Publication time | Sun, 02 Aug 2026 06:25:00 -0400 |
| Retrieval time | 2026-08-02T10:30:40.806Z |
| Last seen | 2026-08-02T10:30:40.806Z |
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| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
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| Publisher visit | Yes — open original |
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| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
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| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
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| Commercial reuse | May the content be reused commercially? | Not permitted |
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Linux 7.2-rc6 Fixes Some AMD Zen 5 CPUs Being Mistakenly Identified As Zen 6 Written by Michael Larabel in AMD on 2 August 2026 at 06:25 AM EDT. Add A Comment Today's batch of x86 fixes for the kernel ahead of the Linux 7.2-rc6 release later in the day addresses some AMD Zen 5 processors mistakenly being classified as Zen 6. A patch merged to the Linux kernel earlier this summer added more Zen 6 models to the kernel with the 0xd0 to 0xef IDs in Family 1Ah. Both Zen 5 and Zen 6 CPUs are part of Family 1Ah, but it turns out that 0xd0 to 0xd7 are actually reserved for Zen 5 and not Zen 6.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Phoronix.