From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Return-Path: To: Mika Westerberg cc: Bjorn Helgaas , linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, "Rafael J. Wysocki" From: Wolfgang Denk Subject: Re: PCIe x4 cards not detected on Z370 mainboards MIME-Version: 1.0 Content-type: text/plain; charset=UTF-8 In-reply-to: <20180326112647.GC2703@lahna.fi.intel.com> References: <20180322184840.E31D4247251@gemini.denx.de> <20180322192759.GA252023@bhelgaas-glaptop.roam.corp.google.com> <20180323084855.E3EAF247251@gemini.denx.de> <20180324044716.GF210003@bhelgaas-glaptop.roam.corp.google.com> <20180325122828.7FC55247245@gemini.denx.de> <20180326112647.GC2703@lahna.fi.intel.com> Date: Mon, 26 Mar 2018 17:00:50 +0200 Message-Id: <20180326150050.086232476FF@gemini.denx.de> List-ID: Dear Mika, In message <20180326112647.GC2703@lahna.fi.intel.com> you wrote: > > > I have updated the information (lspci output, dmesg output) for all > > three boards here: > > > > https://owncloud.denx.de/index.php/s/wXiCMMYJodGj5Kr > > Looking at the MSI Tomahawk dmesg when you have the adaptec card > connected, the BIOS adds an additional ACPI SSDT table: > > [ 0.000000] ACPI: SSDT 0x000000008C039120 002611 (v02 PegSsd PegSsdt 00001000 INTL 20160422) > > This is missing when LSI card is connected. There might be some sort of > preboot protocol or whitelist that prevents the root port to be enabled > in BIOS. > > Wolfgang, could you also add acpidump output of these systems to that > share site? Done. [I hope this is what you need. Fedora does not seem to provide the acpidump tool ready to use in any package, but I found the sources in the kcbench package.] All three boards behave a bit different here, but see yourself... [What they have in common is that none works as I would like to have it :-( ] Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@denx.de I can't understand it. I can't even understand the people who can understand it. - Queen Juliana of the Netherlands.