From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755048Ab2LKVD6 (ORCPT ); Tue, 11 Dec 2012 16:03:58 -0500 Received: from mail-oa0-f46.google.com ([209.85.219.46]:50882 "EHLO mail-oa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753868Ab2LKVD4 (ORCPT ); Tue, 11 Dec 2012 16:03:56 -0500 Date: Tue, 11 Dec 2012 19:03:51 -0200 From: =?iso-8859-1?B?RnLpZOlyaWMgTC4gVy4=?= Meunier To: Linux Kernel Subject: Re: BUG: soft lockup with 3.7.0 but not 3.6.10 Message-ID: <20121211210351.GB19943@pervalidus> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline 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 On Tue, Dec 11, 2012 at 20:16:47, Borislav Petkov wrote: > What family is that? Can you give /proc/cpuinfo? processor : 0 vendor_id : AuthenticAMD cpu family : 15 model : 107 model name : AMD Athlon(tm) 64 X2 Dual Core Processor 4000+ stepping : 1 cpu MHz : 1000.000 cache size : 512 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 2 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 1 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt rdtscp lm 3dnowext 3dnow rep_good nopl extd_apicid pni cx16 lahf_lm cmp_legacy svm extapic cr8_legacy 3dnowprefetch lbrv bogomips : 2004.56 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 40 bits physical, 48 bits virtual power management: ts fid vid ttp tm stc 100mhzsteps processor : 1 vendor_id : AuthenticAMD cpu family : 15 model : 107 model name : AMD Athlon(tm) 64 X2 Dual Core Processor 4000+ stepping : 1 cpu MHz : 1000.000 cache size : 512 KB physical id : 0 siblings : 2 core id : 1 cpu cores : 2 apicid : 1 initial apicid : 1 fpu : yes fpu_exception : yes cpuid level : 1 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt rdtscp lm 3dnowext 3dnow rep_good nopl extd_apicid pni cx16 lahf_lm cmp_legacy svm extapic cr8_legacy 3dnowprefetch lbrv bogomips : 2004.56 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 40 bits physical, 48 bits virtual power management: ts fid vid ttp tm stc 100mhzsteps >> Dec 11 16:02:15 pervalidus kernel: [11260.096015] BUG: soft lockup - >> CPU#1 stuck for 22s! [cc1:20906] > > Hmm, this says that gcc gets stuck at some point. Is this always > reproducible on 3.7? It always happens when I compile MPlayer. It was always cc1, but yasm once. >> What about using another version of gcc, can you repro it then too? >> >> It would be interesting to know where all those cc1 processes get >> stuck. >> Can you break into them with gdb and dump the code around RIP >> everytime those tasks gets stuck? Try doing a couple of them to see >> whether it is repeatable. I'll see what I can do. I'm compiling with -j3, so it's hard to see before the kernel reports it.