Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754423Ab3JVRqV (ORCPT ); Tue, 22 Oct 2013 13:46:21 -0400 Received: from filtteri5.pp.htv.fi ([213.243.153.188]:57227 "EHLO filtteri5.pp.htv.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753454Ab3JVRqT (ORCPT ); Tue, 22 Oct 2013 13:46:19 -0400 Date: Tue, 22 Oct 2013 20:46:12 +0300 From: Aaro Koskinen To: David Miller Cc: mroos@linux.ee, sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: sparc64 WARNING: at mm/mmap.c:2757 exit_mmap+0x13c/0x160() Message-ID: <20131022174612.GC24448@blackmetal.musicnaut.iki.fi> References: <20130617053225.GA3073@blackmetal.musicnaut.iki.fi> <20130617055839.GB3073@blackmetal.musicnaut.iki.fi> <20130803.134042.2228681844349448961.davem@davemloft.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130803.134042.2228681844349448961.davem@davemloft.net> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2222 Lines: 45 Hi, On Sat, Aug 03, 2013 at 01:40:42PM -0700, David Miller wrote: > > On Mon, Jun 17, 2013 at 08:32:25AM +0300, Aaro Koskinen wrote: > >> On Mon, Jun 17, 2013 at 12:06:00AM +0300, Meelis Roos wrote: > >> > Got this in 3.10-rc6 whil testing debian unstable upgrade with aptitude. > >> > 3.10-rc5 did not exhibit this (nor any other kernel recently tried, > >> > including most -rc's). Does not seem to be reproducible. > >> > >> I get this regularly on Ultrasparc during long compilations. It's been > >> there with all recent kernels (probably at least since 3.8). Latest I > >> saw with 3.10-rc5. > > > > Two examples: > > Thanks for the reports, I'm actively looking into this. Got this again with 3.12-rc5 while doing GCC 4.8.2 bootstrap (during make check phase): [83998.025998] ------------[ cut here ]------------ [83998.080312] WARNING: CPU: 0 PID: 3983 at /home/aaro/los/work/shared/linux-v3.12-rc5/mm/mmap.c:2729 exit_mmap+0x138/0x160() [83998.212541] Modules linked in: [83998.248987] CPU: 0 PID: 3983 Comm: expect Not tainted 3.12.0-rc5-ultra-los.git-d7b26d7-dirty #1 [83998.353171] Call Trace: [83998.382310] [00000000004b79d8] exit_mmap+0x138/0x160 [83998.442723] [00000000004503cc] mmput+0x2c/0xc0 [83998.496885] [00000000004cf338] flush_old_exec+0x418/0x520 [83998.562508] [000000000051294c] load_elf_binary+0x20c/0x1660 [83998.630194] [00000000004ce9f8] search_binary_handler+0x78/0x200 [83998.702061] [00000000004cfc1c] do_execve_common.isra.48+0x3dc/0x500 [83998.778105] [00000000004cffcc] compat_sys_execve+0x2c/0x60 [83998.844758] [0000000000406074] linux_sparc_syscall32+0x34/0x40 [83998.915565] ---[ end trace 1f66da8de6eddeb8 ]--- [83998.970773] BUG: Bad rss-counter state mm:fffff80019c4c000 idx:1 val:512 [85190.371621] ld[17707]: segfault at 58 ip 00000000f7d0d164 (rpc 00000000f7d0cf90) sp 00000000ffc36a20 error 30001 in libbfd-2.23.2.so[f7cc8000+ba000] The box didn't die yet... Let's hope it will let GCC testsuite to finish. A. -- 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/