From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Fri, 17 Apr 2009 16:18:23 +0800 From: =?utf-8?Q?Am=C3=A9rico?= Wang Subject: Re: [PATCH 0/2] ptrace_vm: ptrace for syscall emulation virtual machines Message-ID: <20090417081823.GA31897@hack> References: <20090204080236.GA17452@cs.unibo.it> <20090310214436.GC5213@cs.unibo.it> <20090316074520.GC3360@hack> <20090324234753.GH22695@cs.unibo.it> <20090329163228.GE7671@hack> <20090404101708.GG4203@cs.unibo.it> <20090407173646.GL12226@hack> <20090408121851.GE24173@cs.unibo.it> <20090413163603.GG2391@hack> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20090413163603.GG2391@hack> Sender: linux-kernel-owner@vger.kernel.org To: =?utf-8?Q?Am=C3=A9rico?= Wang Cc: Renzo Davoli , linux-kernel@vger.kernel.org, Jeff Dike , user-mode-linux-devel@lists.sourceforge.net, mtk.manpages@gmail.com, Roland McGrath List-ID: On Tue, Apr 14, 2009 at 12:36:03AM +0800, Américo Wang wrote: >Anyway, I will test your patch tomorrow, and will send you more >feedbacks soon. > Sorry for the delay. I applied your 2 patches to linus-tree, compile and run, when I run the same UML binary inside UML, I got: Locating the bottom of the address space ... do_syscall_stub : ret = -13, offset = 1052680, data = 0a98a008 do_syscall_stub: syscall 192 failed, return value = 0xfffffff3, expected return value = 0x0 syscall parameters: 0x0 0x1000 0x7 0x11 0x3 0x19c0 Failed to flush page for address 0x0 Killed I don't have enough time to dig this, would like to have a look at it? Thanks. -- Live like a child, think like the god.