From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx1.redhat.com ([209.132.183.28]) by bombadil.infradead.org with esmtp (Exim 4.69 #1 (Red Hat Linux)) id 1MwA7F-000771-UT for kexec@lists.infradead.org; Fri, 09 Oct 2009 07:42:22 +0000 Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id n997gFRH009307 for ; Fri, 9 Oct 2009 03:42:15 -0400 Message-ID: <4ACEE9F5.2020306@redhat.com> Date: Fri, 09 Oct 2009 15:44:53 +0800 From: Amerigo Wang MIME-Version: 1.0 Subject: Re: Kdump Failed with 2.6.31 i386 References: <20091009.120533.370613410103983527.caiqian@redhat.com> In-Reply-To: <20091009.120533.370613410103983527.caiqian@redhat.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: kexec-bounces@lists.infradead.org Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: CAI Qian Cc: nhorman@redhat.com, kexec@lists.infradead.org CAI Qian wrote: > Hallo! > > Is it a known issue that kdump failed with 2.6.31 i386 systems? The > kdump kernel seems hang here. > > ... > Spurious LAPIC timer interrupt on cpu 0 > Console: colour VGA+ 80x25 > console handover: boot [earlyser0] -> real [ttyS0] > Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar > ... MAX_LOCKDEP_SUBCLASSES: 8 > ... MAX_LOCK_DEPTH: 48 > ... MAX_LOCKDEP_KEYS: 8191 > ... CLASSHASH_SIZE: 4096 > ... MAX_LOCKDEP_ENTRIES: 16384 > ... MAX_LOCKDEP_CHAINS: 32768 > ... CHAINHASH_SIZE: 16384 > memory used by lock dependency info: 3743 kB > per task-struct memory footprint: 1920 bytes > HPET: 3 timers in total, 0 timers will be used for per-cpu timer > Clocksource tsc unstable (delta = 577041676100 ns) > This case hangs on setup_irq(0, &irq0). We already knew this. > or > > Spurious LAPIC timer interrupt on cpu 0 > Console: colour VGA+ 80x25 > console [ttyS0] enabled > Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar > ... MAX_LOCKDEP_SUBCLASSES: 8 > ... MAX_LOCK_DEPTH: 48 > ... MAX_LOCKDEP_KEYS: 8191 > ... CLASSHASH_SIZE: 4096 > ... MAX_LOCKDEP_ENTRIES: 16384 > ... MAX_LOCKDEP_CHAINS: 32768 > ... CHAINHASH_SIZE: 16384 > memory used by lock dependency info: 3743 kB > per task-struct memory footprint: 1920 bytes > allocated 2621440 bytes of page_cgroup > please try 'cgroup_disable=memory' option if you don't want memory cgroups > Calibrating delay loop (skipped), value calculated using timer frequency.. > 5986.01 BogoMIPS (lpj=2993008) This case hangs after calibrate_delay() which already passed late_time_init(), and probably before security_init()... (since probably you have CONFIG_SECURITY=y) Did you meet these two cases on the same machine? Or on different machines? Thanks. _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec