From mboxrd@z Thu Jan 1 00:00:00 1970 From: Srikar Dronamraju Subject: Re: v4.4-rc8 based tip tree kernel hangs on boot. Date: Mon, 11 Jan 2016 22:17:12 +0530 Message-ID: <20160111164712.GE17012@linux.vnet.ibm.com> References: <20160110192921.GD17012@linux.vnet.ibm.com> <20160111140140.GA2644@codeblueprint.co.uk> <20160111151030.GA23096@gmail.com> Reply-To: Srikar Dronamraju Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Return-path: Content-Disposition: inline In-Reply-To: <20160111151030.GA23096-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Sender: linux-efi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Ingo Molnar Cc: Matt Fleming , Ingo Molnar , LKML , linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Linus Torvalds List-Id: linux-efi@vger.kernel.org > > > > What info is there? > > https://goo.gl/photos/1izrwCtAWj8aK7hi7 Unfortunately I am unable to get a text console. So this is all I see. > > > Tried reverting Commit 21cdb6b56 "x86/mm: Page align the '_end' > > > symbol to avoid pfn conversion bugs" but that doesnt help. > > > > Odd. Could you try booting the tip/x86/efi branch instead? There's > > only a handful of patches on that branch so it should be pretty easy > > to narrow down the problematic change. > > Yes, that would be nice, you can get it via: > # git reset --hard tip/x86/efi HEAD is now at e2c90dd x86/efi-bgrt: Replace early_memremap() with memremap() Tried to boot with the above commit; but it doesnt boot. -- Thanks and Regards Srikar > git checkout v4.4 > git pull git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/efi > > Meanwhile I'm holding off on sending the pending EFI bits to Linus, conditional on > the outcome of this regression report. > > Thanks, > > Ingo > -- Thanks and Regards Srikar Dronamraju From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934117AbcAKQsl (ORCPT ); Mon, 11 Jan 2016 11:48:41 -0500 Received: from e28smtp03.in.ibm.com ([125.16.236.3]:48100 "EHLO e28smtp03.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932617AbcAKQsj (ORCPT ); Mon, 11 Jan 2016 11:48:39 -0500 X-IBM-Helo: d28dlp02.in.ibm.com X-IBM-MailFrom: srikar@linux.vnet.ibm.com X-IBM-RcptTo: linux-efi@vger.kernel.org;linux-kernel@vger.kernel.org Date: Mon, 11 Jan 2016 22:17:12 +0530 From: Srikar Dronamraju To: Ingo Molnar Cc: Matt Fleming , Ingo Molnar , LKML , linux-efi@vger.kernel.org, Linus Torvalds Subject: Re: v4.4-rc8 based tip tree kernel hangs on boot. Message-ID: <20160111164712.GE17012@linux.vnet.ibm.com> Reply-To: Srikar Dronamraju References: <20160110192921.GD17012@linux.vnet.ibm.com> <20160111140140.GA2644@codeblueprint.co.uk> <20160111151030.GA23096@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <20160111151030.GA23096@gmail.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16011116-0009-0000-0000-000009E4BF7B Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > > > > What info is there? > > https://goo.gl/photos/1izrwCtAWj8aK7hi7 Unfortunately I am unable to get a text console. So this is all I see. > > > Tried reverting Commit 21cdb6b56 "x86/mm: Page align the '_end' > > > symbol to avoid pfn conversion bugs" but that doesnt help. > > > > Odd. Could you try booting the tip/x86/efi branch instead? There's > > only a handful of patches on that branch so it should be pretty easy > > to narrow down the problematic change. > > Yes, that would be nice, you can get it via: > # git reset --hard tip/x86/efi HEAD is now at e2c90dd x86/efi-bgrt: Replace early_memremap() with memremap() Tried to boot with the above commit; but it doesnt boot. -- Thanks and Regards Srikar > git checkout v4.4 > git pull git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/efi > > Meanwhile I'm holding off on sending the pending EFI bits to Linus, conditional on > the outcome of this regression report. > > Thanks, > > Ingo > -- Thanks and Regards Srikar Dronamraju