From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Jones Subject: Re: called althought it is marked as AVOID. Date: Mon, 22 Apr 2013 15:53:48 -0400 Message-ID: <20130422195348.GA12899@redhat.com> References: <5172F41A.7060704@gmx.de> Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: <5172F41A.7060704@gmx.de> Sender: trinity-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="iso-8859-1" To: Toralf =?iso-8859-1?Q?F=F6rster?= Cc: trinity@vger.kernel.org On Sat, Apr 20, 2013 at 10:01:30PM +0200, Toralf F=F6rster wrote: > Running trinity within a user mode linux image yield into : >=20 >=20 > 2013-04-20T21:48:16.000+02:00 trinity tfoerste: W=3D/mnt/nfs/n22/w > 2013-04-20T21:48:21.926+02:00 trinity kernel: ------------[ cut here= ]------------ > 2013-04-20T21:48:21.926+02:00 trinity kernel: WARNING: at mm/mmap.c:= 2702 exit_mmap+0x161/0x170() > 2013-04-20T21:48:21.926+02:00 trinity kernel: 1844bd90: [<0836fe08>= ] dump_stack+0x22/0x24 > 2013-04-20T21:48:21.926+02:00 trinity kernel: 1844bda8: [<0807f1da>= ] warn_slowpath_common+0x5a/0x80 > 2013-04-20T21:48:21.926+02:00 trinity kernel: 1844bdd0: [<0807f2a3>= ] warn_slowpath_null+0x23/0x30 > 2013-04-20T21:48:21.926+02:00 trinity kernel: 1844bde0: [<080e9231>= ] exit_mmap+0x161/0x170 > 2013-04-20T21:48:21.926+02:00 trinity kernel: 1844be18: [<0807cdd9>= ] mmput+0x39/0x90 > 2013-04-20T21:48:21.926+02:00 trinity kernel: 1844be2c: [<08083f00>= ] do_exit+0x2d0/0x820 > 2013-04-20T21:48:21.926+02:00 trinity kernel: 1844be7c: [<08084527>= ] do_group_exit+0x97/0xe0 > 2013-04-20T21:48:21.926+02:00 trinity kernel: 1844bea0: [<08084589>= ] sys_exit_group+0x19/0x20 > 2013-04-20T21:48:21.930+02:00 trinity kernel: 1844beac: [<08064a92>= ] handle_syscall+0x82/0xb0 > 2013-04-20T21:48:21.930+02:00 trinity kernel: 1844bef4: [<08076f2d>= ] userspace+0x46d/0x590 > 2013-04-20T21:48:21.930+02:00 trinity kernel: 1844bfec: [<080617fc>= ] fork_handler+0x6c/0x70 > 2013-04-20T21:48:21.930+02:00 trinity kernel: 1844bffc: [<00000000>= ] 0x0 > 2013-04-20T21:48:21.930+02:00 trinity kernel: > 2013-04-20T21:48:21.930+02:00 trinity kernel: ---[ end trace 9f50221= 4d4921e53 ]--- >=20 >=20 > The trinity command line was : >=20 > $> trinity.sh -x mremap -x mount -x add_key -x request_key -x keyctl= -x clock_nanosleep >=20 > I'm wondering what does AVOID took to be ignored ? That trace is a process exiting, not a syscall being called. Looks like something in uml leaked page table entries. Dave