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linux-hwe-7.0 7.0.0-30.30~24.04.1+barfix1 (Ubuntu kernel .debs)

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@nbritton nbritton released this 03 Sep 06:55
· 2 commits to main since this release
21876a7

Local rebuild of Ubuntu linux-hwe-7.0 7.0.0-30.30~24.04.1 (noble) with the PCI bridge-window sizing fix. Built 2026-09-02.

Change (not from Ubuntu): PCI: Account for alignment padding of resources larger than their alignment. Fixes upstream 3958bf16e2fe ("PCI: Stop over-estimating bridge window size", v7.0): two sibling bridge windows of 32G+2M with 32G alignment were summed to 64G+4M but need 96G+2M, so the second Vega II Duo die behind each root port got no BAR at any ReBAR size. Verified on MacPro7,1.

Install (minimum):

sudo apt install ./linux-image-7.0.0-30-generic_7.0.0-30.30~24.04.1+barfix1_amd64.deb \
                 ./linux-modules-7.0.0-30-generic_7.0.0-30.30~24.04.1+barfix1_amd64.deb

Add linux-headers-* and linux-hwe-7.0-headers-* if you need to build out-of-tree modules (DKMS).