Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753438AbeAFAA1 (ORCPT + 1 other); Fri, 5 Jan 2018 19:00:27 -0500 Received: from mail-it0-f66.google.com ([209.85.214.66]:36374 "EHLO mail-it0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752808AbeAFAA0 (ORCPT ); Fri, 5 Jan 2018 19:00:26 -0500 X-Google-Smtp-Source: ACJfBotOfu8RP1gRla3K70zFV78G/h+ylZVJHnR5MXoTu3RRCnbYr7Y3UqiRqbhWXxr9i8KRmhwofd0roLC+R1L7JsI= MIME-Version: 1.0 In-Reply-To: <20180105220412.fzpwqe4zljdawr36@darkstar.musicnaut.iki.fi> References: <20180105220412.fzpwqe4zljdawr36@darkstar.musicnaut.iki.fi> From: Linus Torvalds Date: Fri, 5 Jan 2018 16:00:25 -0800 X-Google-Sender-Auth: -Wc5P-8YXszVIxWKMjMVQDX0Yzc Message-ID: Subject: Re: [BISECTED] v4.15-rc: Boot regression on x86_64/AMD To: Aaro Koskinen Cc: =?UTF-8?Q?Christian_K=C3=B6nig?= , Bjorn Helgaas , Andy Shevchenko , Linux Kernel Mailing List Content-Type: multipart/mixed; boundary="001a1145178a8faffa056210407c" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: --001a1145178a8faffa056210407c Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, Jan 5, 2018 at 2:04 PM, Aaro Koskinen wrote: > > After v4.14, I've been unable to boot my AMD compilation box with the > v4.15-rc mainline Linux. It just ends up in a silent reboot loop. > > I bisected this to: > > commit fa564ad9636651fd11ec2c79c48dee844066f73a > Author: Christian K=C3=B6nig > Date: Tue Oct 24 14:40:29 2017 -0500 > > x86/PCI: Enable a 64bit BAR on AMD Family 15h (Models 00-1f, 30-3f, 6= 0-7f) Hmm. That was reported to break boot earlier already. The breakage was supposedly fixed by three patches from Christian: a19e2696135e: "x86/PCI: Only enable a 64bit BAR on single-socket AMD Family 15h" 470195f82e4e: "x86/PCI: Fix infinite loop in search for 64bit BAR placem= ent" and a third one that was apparently never applied. I'm not sure why that third patch was never applied, I'm including it here. Does the system work for you if you apply that patch (instead of reverting all of them)? I wonder why that patch wasn't applied, but if it doesn't fix things, I think we do need to revert it all. Christian? Bjorn? Linus --001a1145178a8faffa056210407c Content-Type: text/x-patch; charset="UTF-8"; name="0003-x86-PCI-limit-the-size-of-the-64bit-BAR-to-256GB.patch" Content-Disposition: attachment; filename="0003-x86-PCI-limit-the-size-of-the-64bit-BAR-to-256GB.patch" Content-Transfer-Encoding: base64 X-Attachment-Id: f_jc2l1ngg0 RnJvbSBlNWQ1Yzk2ODJhYTAyYTZiOWMwYzZiZDQ0NmQ0MzNiOTI0NDQxNjc5IE1vbiBTZXAgMTcg MDA6MDA6MDAgMjAwMQ0KRnJvbTogPT9VVEYtOD9xP0NocmlzdGlhbj0yMEs9QzM9QjZuaWc/PSA8 Y2hyaXN0aWFuLmtvZW5pZ0BhbWQuY29tPg0KRGF0ZTogVHVlLCAyOCBOb3YgMjAxNyAxMDowMjoz NSArMDEwMA0KU3ViamVjdDogW1BBVENIIDMvM10geDg2L1BDSTogbGltaXQgdGhlIHNpemUgb2Yg dGhlIDY0Yml0IEJBUiB0byAyNTZHQg0KTUlNRS1WZXJzaW9uOiAxLjANCkNvbnRlbnQtVHlwZTog dGV4dC9wbGFpbjsgY2hhcnNldD1VVEYtOA0KQ29udGVudC1UcmFuc2Zlci1FbmNvZGluZzogOGJp dA0KDQpUaGlzIGF2b2lkcyBwcm9ibGVtcyB3aXRoIFhlbiB3aGljaCBoaWRlcyBzb21lIG1lbW9y eSByZXNvdXJjZXMgZnJvbSB0aGUNCk9TIGFuZCBwb3RlbnRpYWxseSBhbHNvIGFsbG93cyBtZW1v cnkgaG90cGx1ZyB3aGlsZSB0aGlzIGZpeHVwIGlzDQplbmFibGVkLg0KDQpTaWduZWQtb2ZmLWJ5 OiBDaHJpc3RpYW4gS8O2bmlnIDxjaHJpc3RpYW4ua29lbmlnQGFtZC5jb20+DQotLS0NCiBhcmNo L3g4Ni9wY2kvZml4dXAuYyB8IDIgKy0NCiAxIGZpbGUgY2hhbmdlZCwgMSBpbnNlcnRpb24oKyks IDEgZGVsZXRpb24oLSkNCg0KZGlmZiAtLWdpdCBhL2FyY2gveDg2L3BjaS9maXh1cC5jIGIvYXJj aC94ODYvcGNpL2ZpeHVwLmMNCmluZGV4IGM4MTdhYjg1ZGM4Mi4uMTQ5YWRiYzdmMmEzIDEwMDY0 NA0KLS0tIGEvYXJjaC94ODYvcGNpL2ZpeHVwLmMNCisrKyBiL2FyY2gveDg2L3BjaS9maXh1cC5j DQpAQCAtNzAxLDcgKzcwMSw3IEBAIHN0YXRpYyB2b2lkIHBjaV9hbWRfZW5hYmxlXzY0Yml0X2Jh cihzdHJ1Y3QgcGNpX2RldiAqZGV2KQ0KIAlyZXMtPm5hbWUgPSAiUENJIEJ1cyAwMDAwOjAwIjsN CiAJcmVzLT5mbGFncyA9IElPUkVTT1VSQ0VfUFJFRkVUQ0ggfCBJT1JFU09VUkNFX01FTSB8DQog CQlJT1JFU09VUkNFX01FTV82NCB8IElPUkVTT1VSQ0VfV0lORE9XOw0KLQlyZXMtPnN0YXJ0ID0g MHgxMDAwMDAwMDB1bGw7DQorCXJlcy0+c3RhcnQgPSAweGJkMDAwMDAwMDB1bGw7DQogCXJlcy0+ ZW5kID0gMHhmZDAwMDAwMDAwdWxsIC0gMTsNCiANCiAJLyogSnVzdCBncmFiIHRoZSBmcmVlIGFy ZWEgYmVoaW5kIHN5c3RlbSBtZW1vcnkgZm9yIHRoaXMgKi8NCi0tIA0KMi4xMS4wDQoNCg== --001a1145178a8faffa056210407c--