From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752928AbaEONik (ORCPT ); Thu, 15 May 2014 09:38:40 -0400 Received: from casper.infradead.org ([85.118.1.10]:58649 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751797AbaEONii (ORCPT ); Thu, 15 May 2014 09:38:38 -0400 Date: Thu, 15 May 2014 15:38:34 +0200 From: Peter Zijlstra To: Oleg Nesterov Cc: Thomas Gleixner , linux-kernel@vger.kernel.org Subject: WARN in do_rt_tgsigqueueinfo() Message-ID: <20140515133834.GN13658@twins.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="VSVNCtZB1QZ8vhj+" Content-Disposition: inline User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --VSVNCtZB1QZ8vhj+ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi Thomas, Oleg, trinity$ MALLOC_CHECK_=0 ./trinity -xinit_module -xreboot -xshutdown -xunshare -xnfsservctl -xclock_nanosleep -xuselib -xumount -xmount -m --quiet -C 400 -l off -xmremap [watchdog] kernel became tainted! (512/0) Last seed was 4072360471 [15908.562512] ------------[ cut here ]------------ [15908.567245] WARNING: CPU: 22 PID: 3312 at /usr/src/linux-2.6/kernel/signal.c:3060 do_rt_tgsigqueueinfo+0xb4/0xc0() [15908.577715] Modules linked in: [15908.580857] CPU: 22 PID: 3312 Comm: trinity-c198 Not tainted 3.15.0-rc5-01700-g505011124ad0-dirty #1070 [15908.590412] Hardware name: Supermicro X8DTN/X8DTN, BIOS 4.6.3 01/08/2010 [15908.597228] 0000000000000009 ffff880428715e40 ffffffff81682052 0000000000000000 [15908.604834] ffff880428715e78 ffffffff8109808c 0000000000000001 000000000000ffff [15908.612402] 00000000efdcefbf 00000000efdcefbf 0000000000000129 ffff880428715e88 [15908.619941] Call Trace: [15908.622423] [] dump_stack+0x4e/0x7a [15908.627600] [] warn_slowpath_common+0x8c/0xc0 [15908.633658] [] warn_slowpath_null+0x1a/0x20 [15908.639535] [] do_rt_tgsigqueueinfo+0xb4/0xc0 [15908.645591] [] SYSC_rt_tgsigqueueinfo+0x61/0x80 [15908.651851] [] SyS_rt_tgsigqueueinfo+0xe/0x10 [15908.657946] [] system_call_fastpath+0x16/0x1b [15908.664036] ---[ end trace 02450728e2526283 ]--- This is apparently a very common thing to hit according to google. --VSVNCtZB1QZ8vhj+ Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBAgAGBQJTdMNaAAoJEHZH4aRLwOS6QS8P/0OIYRstuSekSevKYcd/YX20 eq4QM0pZnR4P7u8f0K4gtFt6GrTreT36ss6iSBZN2lvqbBusfQl5NUhH1Kn8Wlx/ jbCps5fAzt5ciwXr3ohA/XzGERhMIp0xYv4CYE7AqIfAqD5I9LUTFMIUhSRQmtg2 xpFBz9nNt9HR+LVtVX605/k/mFcrl8Cd65ktknOW4HlkJ+95QPZU0yca7wBT/wg2 oOuPMYz9fN4Eazma704onQnFPXVt/2vVxPXtJLxkdivtbsi7RjYHwYZURYjWJz6n 9H7VQjXOlYipUxkQT8IB7fkc7ixzzUTZEX8LTJom0AuS2QbycUrfee2q6nGe7M5Y 8bPBAR5d2mnMYXMAyI7BbPtm0nX+mC/713pEy3agXoE58n5TOQhRRfRbRGYTriSc ARPzcCk6rMH9LGst+HFMIRqqoQFzbbhXiC54DOod71jZJ7m76/g8wdB17B7G0K9+ +GPAiWQdYoNCLzbmWZjCf7OCYIvNwOurDt9G8tfNIdlWh/ArSoHzkgnJZ8HjQeo7 Ga83NziWS8qhz4B11YkcrAGySXAa4R6Y1eVHilPfNU0v1gHihxudrNR0uV1Nt5lJ qxtoJtAeBPtWhopXBPezGJktO+l7hVEYFh/DaO0pUa9w0J9AjQMz/7Z6F2ya5i3n v/yk3792GrHxbmH4FY0m =7i1c -----END PGP SIGNATURE----- --VSVNCtZB1QZ8vhj+--