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Piccoli" , Hans de Goede , Thorsten Leemhuis , linux-kernel@vger.kernel.org Subject: [bugzilla-daemon@kernel.org: [Bug 216109] New: Steam Deck fails to boot when E820 entries clipped out of _CRS] Message-ID: <20220609224339.GA543225@bhelgaas> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Spam-Status: No, score=-8.3 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org New regression in v5.19-rc1. ----- Forwarded message from bugzilla-daemon@kernel.org ----- Subject: [Bug 216109] New: Steam Deck fails to boot when E820 entries clipped out of _CRS https://bugzilla.kernel.org/show_bug.cgi?id=216109 Summary: Steam Deck fails to boot when E820 entries clipped out of _CRS Kernel Version: v5.19 Guilherme G. Piccoli reported that v5.18 boots fine on Steam Deck, but v5.19-rc1 does not. He bisected it to 4c5e242d3e93 ("x86/PCI: Clip only host bridge windows for E820 regions") [1]. A quirk similar to [2] that disables E820 clipping makes v5.19-rc1 work again. The reason why v5.18 (which always does E820 clipping by default) works, while v5.19-rc1 (which also does E820 clipping on this platform) does not has not been explained yet. [1] https://git.kernel.org/linus/4c5e242d3e93 [2] https://git.kernel.org/linus/d341838d776a ----- End forwarded message -----