Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750932AbaLPEkO (ORCPT ); Mon, 15 Dec 2014 23:40:14 -0500 Received: from mailout1.samsung.com ([203.254.224.24]:36653 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750814AbaLPEkM (ORCPT ); Mon, 15 Dec 2014 23:40:12 -0500 X-AuditID: cbfee68f-f791c6d000004834-a1-548fb7a8c9bc Date: Tue, 16 Dec 2014 04:40:08 +0000 (GMT) From: Jongman Heo Subject: Re: Re: [3.18+] Can't boot with commit bd809af1 ("x86: Enable PAT to use cache mode translation tables") To: Juergen Gross , "linux-kernel@vger.kernel.org" Reply-to: jongman.heo@samsung.com MIME-version: 1.0 X-MTR: 20141216043601027@jongman.heo Msgkey: 20141216043601027@jongman.heo X-EPLocale: ko_KR.euc-kr X-Priority: 3 X-EPWebmail-Msg-Type: personal X-EPWebmail-Reply-Demand: 0 X-EPApproval-Locale: X-EPHeader: ML X-MLAttribute: X-RootMTR: 20141216043601027@jongman.heo X-ParentMTR: X-ArchiveUser: X-CPGSPASS: N X-ConfirmMail: N,general Content-type: text/plain; charset=euc-kr MIME-version: 1.0 Message-id: <1194554367.45481418704807712.JavaMail.weblogic@epmlwas09d> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrMIsWRmVeSWpSXmKPExsWyRsSkQHfF9v4Qg9t3pCwu75rD5sDo8XmT XABjFJdNSmpOZllqkb5dAlfGo/6bTAV3pCr29u9kbWBskOpi5OQQElCTuPn5ECOILSFgIrHo 6RxmCFtM4sK99WwQNUsZJc68Euhi5ACreTtfuYuRCyg8h1HiftN8VpAaFgFViY4N38BsNgEd iY7/+8FsYYFCiYMPvzOC9IoIpEm0TreAGKkocW3pYrDxvAKCEidnPmGBWKsicafjBVRcVeLv kjOsEHEJiVnTL0DZvBIz2p9C1ctJTPu6BupkaYnzszYwwpy/+PtjqDi/xLHbO5ggbAGJqWcO QtVoSmyf9xpqJp/EmoVvWWDqd51azgyz6/6WuUwwN2xteQJWzwx0/5Tuh+wQtpbElx/7MPzC K+AucfTdZTZQWEkINHJIPO9byAYJKwGJb5MPsUxgVJyFpGcWkrmzkMxFVrOAkWUVo2hqQXJB cVJ6kbFecWJucWleul5yfu4mRmBaOP3vWf8OxrsHrA8xCnAwKvHwBhT2hwixJpYVV+YeYjQF Wj2RWUo0OR+YfPJK4g2NzYwsTE1MjY3MLc2UxHkXSv0MFhJITyxJzU5NLUgtii8qzUktPsTI xMEp1cBoVLXgfvzG0zEf1M7furT05+7JyZeWbFSMM5l/+NgcMbmDqw90TeQN06j2euH6P3vt GtHpLw+t+WTTlRfy+5Lk/Yw90re1L6/PzJi2ZPeukL47xcfDJCW/xMvGCnUHxTV4Lp/97sOM lGUetnM9/8swNp7xn7nrh6Rx8eH+Pea3Tiz/Iuh8VSlssRJLcUaioRZzUXEiAOitkWUGAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrJKsWRmVeSWpSXmKPExsVy+t/tXt0V2/tDDN6tF7a4vGsOmwOjx+dN cgGMUWk2GamJKalFCql5yfkpmXnptkrewfHO8aZmBoa6hpYW5koKeYm5qbZKLj4Bum6ZOUBD lRTKEnNKgUIBicXFSvp2NkX5pSWpChn5xSW2StGG5kZ6RgZ6pkZ6hsaxVoYGBkamQDUJaRmP +m8yFdyRqtjbv5O1gbFBqouRk0NIQE3i5udDjF2MHBwSAiYSb+crg4QlBMQkLtxbz9bFyAVU ModR4n7TfFaQBIuAqkTHhm9gNpuAjkTH//1gtrBAocTBh9/B5ogIpEm0TreAGK8ocW3pYjYQ m1dAUOLkzCcsEPNVJO50vICKq0r8XXKGFSIuITFr+gUom1diRvtTqHo5iWlf1zBD2NIS52dt YIS5c/H3x1Bxfoljt3cwQdgCElPPHISq0ZTYPu811Ew+iTUL37LA1O86tZwZZtf9LXOZYG7Y 2vIErJ4Z6P4p3Q/ZIWwtiS8/9mH4hVfAXeLou8tsExhlZiFJzULSPgtJO7KaBYwsqxhFUwuS C4qT0iuM9IoTc4tL89L1kvNzNzGCk82zRTsY/523PsQowMGoxMMbWNgfIsSaWFZcmXuIUYKD WUmE130qUIg3JbGyKrUoP76oNCe1+BCjKTCiJjJLiSbnAxNhXkm8obGxiZmJqaWJhYGpuZI4 7/9zuSFCAumJJanZqakFqUUwfUwcnFINjCH7TiUcO7CcbcLZR1NrODc2d9w4Fr63cX2E19Xq i9W9E/ccWK7w2FeyecWkPZPLJ99XWcdbyJN4bEPq14ojVzf827X1za29ITsyxBvkp4sznjue m/E4vZdl6o4TnosvPtyYvveRi+4ZG76D5wv595Z79Z6qjnW875L4VvVjbMNFf57y/BcZ7u+V WIozEg21mIuKEwHbs0w3TAMAAA== DLP-Filter: Pass X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by nfs id sBG4ehHv003962 >------- Original Message ------- >Sender : Juergen Gross >Date : 2014-12-15 20:52 (GMT+09:00) >Title : Re: [3.18+] Can't boot with commit bd809af1 ("x86: Enable PAT to use cache mode translation tables") > >On 12/15/2014 08:52 AM, Jongman Heo wrote: >>> ------- Original Message ------- >>> Sender : Juergen Gross >>> Date : 2014-12-15 14:04 (GMT+09:00) >>> Title : Re: [3.18+] Can't boot with commit bd809af1 ("x86: Enable PAT to use cache mode translation tables") >>> >>> On 12/14/2014 06:07 AM, ?????? wrote: >>>> >>>> Hi, >>>> >>>> My Linux virtual machine on (Windows) VMWare workstation 10 can't boot with following commit. >>>> >>>> commit bd809af16e3ab1f8d55b3e2928c47c67e2a865d2 >>>> Author: Juergen Gross >>>> Date: Mon Nov 3 14:02:03 2014 +0100 >>>> >>>> x86: Enable PAT to use cache mode translation tables >>>> >>>> Unfortunately I can't see any console log. >>> >>> Hmm, weird. Could you provide some more information? >>> >>> Kernel config, hardware used, /proc/cpuinfo of working kernel? >>> Anything you see with earlyprintk enabled? >>> >>> >>> Juergen >> >> (Sorry for resending this email, previous one bounced from mailing list due to HTML format) >> >> Hi, >> >> I'm using Fedora 21, with custom built kernel. >> Host PC is windows 7 64-bit, and running VMWare workstation 10 for guest Fedora Linux. >> >> With earlyprintk, just following message is printed. >> >> early console in setup code >> >> and nothing more... > > Can you try attached diagnostic patch, please? I suspect a problem > regarding VMWares PAT emulation... > > > Juergen Hi, With the commit reverted, the patch doesn't apply. Without revert, kernel (patch applied) doesn't boot and I can't see any message. Let me show you my PAT values (the commit reverted) # dmesg | grep PAT [ 0.000000] x86 PAT enabled: cpu 0, old 0x0, new 0x7010600070106 [ 0.314631] x86 PAT enabled: cpu 3, old 0x0, new 0x7010600070106 [ 0.314703] x86 PAT enabled: cpu 1, old 0x0, new 0x7010600070106 [ 0.314780] x86 PAT enabled: cpu 2, old 0x0, new 0x7010600070106 [ 0.314852] x86 PAT enabled: cpu 4, old 0x0, new 0x7010600070106 [ 0.314923] x86 PAT enabled: cpu 0, old 0x0, new 0x7010600070106 [ 0.314997] x86 PAT enabled: cpu 6, old 0x0, new 0x7010600070106 [ 0.315069] x86 PAT enabled: cpu 7, old 0x0, new 0x7010600070106 [ 0.315142] x86 PAT enabled: cpu 5, old 0x0, new 0x7010600070106 ????{.n?+???????+%?????ݶ??w??{.n?+????{??G?????{ay?ʇڙ?,j??f???h?????????z_??(?階?ݢj"???m??????G????????????&???~???iO???z??v?^?m???? ????????I?