Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752714Ab1CQIxP (ORCPT ); Thu, 17 Mar 2011 04:53:15 -0400 Received: from router-fw.net-space.pl ([89.174.63.77]:36067 "EHLO router-fw.net-space.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751185Ab1CQIxK (ORCPT ); Thu, 17 Mar 2011 04:53:10 -0400 Date: Thu, 17 Mar 2011 09:51:18 +0100 From: Daniel Kiper To: Daniel Kiper Cc: Stefano Stabellini , Konrad Rzeszutek Wilk , Ian Campbell , "akpm@linux-foundation.org" , "andi.kleen@intel.com" , "haicheng.li@linux.intel.com" , "fengguang.wu@intel.com" , "jeremy@goop.org" , Dan Magenheimer , "v.tolstov@selfip.ru" , "pasik@iki.fi" , "dave@linux.vnet.ibm.com" , "wdauchy@gmail.com" , "rientjes@google.com" , "xen-devel@lists.xensource.com" , "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" Subject: Re: Bootup fix for _brk_end being != _end Message-ID: <20110317085118.GA11346@router-fw-old.local.net-space.pl> References: <20110308214429.GA27331@router-fw-old.local.net-space.pl> <20110315142957.GB12730@router-fw-old.local.net-space.pl> <20110315144821.GA11586@dumpdata.com> <20110315153001.GD12730@router-fw-old.local.net-space.pl> <20110315154024.GA14100@router-fw-old.local.net-space.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110315154024.GA14100@router-fw-old.local.net-space.pl> User-Agent: Mutt/1.3.28i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4448 Lines: 76 On Tue, Mar 15, 2011 at 04:40:24PM +0100, Daniel Kiper wrote: > On Tue, Mar 15, 2011 at 03:31:47PM +0000, Stefano Stabellini wrote: > > On Tue, 15 Mar 2011, Daniel Kiper wrote: > > > On Tue, Mar 15, 2011 at 10:48:21AM -0400, Konrad Rzeszutek Wilk wrote: > > > > > > > Additionally, I suggest to apply patch prepared by Steffano Stabellini > > > > > > > (https://lkml.org/lkml/2011/1/31/232) which fixes memory management > > > > > > > issue in Xen guest. I was not able boot guest machine without > > > > > > > above mentioned patch. > > > > > > > > > > > > after some discussions we came up with a different approach to fix the > > > > > > issue; I sent a couple of patches a little while ago: > > > > > > > > > > > > https://lkml.org/lkml/2011/2/28/410 > > > > > > > > > > I tested git://xenbits.xen.org/people/sstabellini/linux-pvhvm.git 2.6.38-tip-fixes > > > > > and it works on x86_64, however, it does not work on i386. Tested as > > > > > unprivileged guest on Xen Ver. 4.1.0-rc2-pre. On i386 domain crashes > > > > > silently at early boot stage :-(((. > > > > > > > > Details? Can you provide the 'xenctx' output of where it crashed? > > > > > > As I wrote above domain is dying and I am not able to connect to it using > > > xenctx after crash :-(((. I do not know how to do that in another way. > > > > try adding: > > > > extra = "loglevel=9 debug earlyprintk=xenboot" > > (XEN) d55:v0: unhandled page fault (ec=0002) > (XEN) Pagetable walk from 000000000000000c: > (XEN) L4[0x000] = 000000010bebc027 0000000000024d28 > (XEN) L3[0x000] = 0000000000000000 ffffffffffffffff > (XEN) domain_crash_sync called from entry.S > (XEN) Domain 55 (vcpu#0) crashed on cpu#3: > (XEN) ----[ Xen-4.1.0-rc2-pre x86_64 debug=y Not tainted ]---- > (XEN) CPU: 3 > (XEN) RIP: e019:[<00000000c1001180>] > (XEN) RFLAGS: 0000000000000282 EM: 1 CONTEXT: pv guest > (XEN) rax: 000000000000000c rbx: 000000000000000c rcx: 00000000c1371fd0 > (XEN) rdx: 00000000c1371fd0 rsi: 00000000c1742000 rdi: 00000000a5c03d70 > (XEN) rbp: 00000000c1371fc8 rsp: 00000000c1371fa8 r8: 0000000000000000 > (XEN) r9: 0000000000000000 r10: 0000000000000000 r11: 0000000000000000 > (XEN) r12: 0000000000000000 r13: 0000000000000000 r14: 0000000000000000 > (XEN) r15: 0000000000000000 cr0: 000000008005003b cr4: 00000000000026f4 > (XEN) cr3: 0000000129b6e000 cr2: 000000000000000c > (XEN) ds: e021 es: e021 fs: e021 gs: e021 ss: e021 cs: e019 > (XEN) Guest stack trace from esp=c1371fa8: > (XEN) 00000002 c1001180 0001e019 00010082 c10037af deadbeef c1742000 a5c03d70 > (XEN) c1371fdc c13a4aa8 00000000 00000000 00000000 c1371ffc c13a3ff2 00000000 > (XEN) 00000000 00000000 00000000 00000000 deadbeef c1753000 013fe001 00000000 > (XEN) 00000000 00000000 00000000 00000000 013fe001 00000000 00000000 00000000 > (XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > (XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > (XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > (XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > (XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > (XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > (XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > (XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > (XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > (XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > (XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > (XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > (XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > (XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > (XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > (XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 Any progress ??? Can I help you in something ??? Daniel -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/