From mboxrd@z Thu Jan 1 00:00:00 1970 From: Frank van Maarseveen Subject: BUG: unable to handle kernel paging request at virtual address 6b6b6b6f Date: Tue, 3 Jul 2007 09:17:35 +0200 Message-ID: <20070703071735.GA9481@janus> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" To: Linux NFS mailing list Return-path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.92] helo=mail.sourceforge.net) by sc8-sf-list2-new.sourceforge.net with esmtp (Exim 4.43) id 1I5cdi-0003rN-U8 for nfs@lists.sourceforge.net; Tue, 03 Jul 2007 00:17:35 -0700 Received: from frankvm.xs4all.nl ([80.126.170.174] helo=janus.localdomain) by mail.sourceforge.net with esmtp (Exim 4.44) id 1I5cdl-0005X9-SB for nfs@lists.sourceforge.net; Tue, 03 Jul 2007 00:17:38 -0700 List-Id: "Discussion of NFS under Linux development, interoperability, and testing." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: nfs-bounces@lists.sourceforge.net Errors-To: nfs-bounces@lists.sourceforge.net I've reported this earlier but now I figured out how to reproduce it: start nfsd with 50 instances and then try to stop it. Jul 3 09:10:39 kernel: BUG: unable to handle kernel paging request at virtual address 6b6b6b6f Jul 3 09:10:39 kernel: printing eip: Jul 3 09:10:39 kernel: c053f594 Jul 3 09:10:39 kernel: *pde = 00000000 Jul 3 09:10:39 kernel: Oops: 0000 [#1] Jul 3 09:10:39 kernel: SMP Jul 3 09:10:39 kernel: Modules linked in: vmthrottle Jul 3 09:10:39 kernel: CPU: 1 Jul 3 09:10:39 kernel: EIP: 0060:[] Not tainted VLI Jul 3 09:10:39 kernel: EFLAGS: 00010202 (2.6.21.5-x160 #1) Jul 3 09:10:39 kernel: EIP is at cache_clean+0x124/0x1e0 Jul 3 09:10:39 kernel: eax: 00000000 ebx: 6b6b6b6b ecx: c06dffa0 edx: c0a1f380 Jul 3 09:10:39 kernel: esi: f672d800 edi: 00000000 ebp: f5a11f40 esp: f5a11f34 Jul 3 09:10:39 kernel: ds: 007b es: 007b fs: 00d8 gs: 0000 ss: 0068 Jul 3 09:10:39 kernel: Process nfsd (pid: 4420, ti=f5a10000 task=f596c070 task.ti=f5a10000) Jul 3 09:10:39 kernel: Stack: c06dffa0 f6a3c268 f6a3c234 f5a11f48 c053f69f f5a11f54 c053f6da f6a3c260 Jul 3 09:10:39 kernel: f5a11f5c c020ef47 f5a11f70 c0205632 c06597c8 f6a3c268 f6a3c7ac f5a11f94 Jul 3 09:10:39 kernel: c0537b23 f59b2000 f5a11f94 00000286 f6a3c270 f59b2000 f6a3c7ac f6a3c234 Jul 3 09:10:39 kernel: Call Trace: Jul 3 09:10:39 kernel: [] show_trace_log_lvl+0x19/0x30 Jul 3 09:10:39 kernel: [] show_stack_log_lvl+0x8b/0xb0 Jul 3 09:10:39 kernel: [] show_registers+0x1e6/0x310 Jul 3 09:10:39 kernel: [] die+0x10f/0x240 Jul 3 09:10:39 kernel: [] do_page_fault+0x342/0x610 Jul 3 09:10:39 kernel: [] error_code+0x7c/0x90 Jul 3 09:10:39 kernel: [] cache_flush+0xf/0x30 Jul 3 09:10:39 kernel: [] cache_purge+0x1a/0x30 Jul 3 09:10:39 kernel: [] nfsd_export_flush+0x17/0x30 Jul 3 09:10:39 kernel: [] nfsd_last_thread+0x72/0x80 Jul 3 09:10:39 kernel: [] svc_destroy+0x103/0x140 Jul 3 09:10:39 kernel: [] svc_exit_thread+0x8a/0x90 Jul 3 09:10:39 kernel: [] nfsd+0x24b/0x2a0 Jul 3 09:10:39 kernel: [] kernel_thread_helper+0x7/0x10 Jul 3 09:10:39 kernel: ======================= Jul 3 09:10:39 kernel: Code: c0 8b 51 08 8d 34 82 8b 1e 85 db 75 1e eb 64 8b 0d 88 a6 a4 c0 8b 41 50 39 43 08 7c 25 89 de 8b 1b 85 db 74 4e 8b 0d 88 a6 a4 c0 <8b> 43 04 39 41 5c 7e 07 40 89 41 5c 8b 43 04 3b 05 00 4e 7f c0 Jul 3 09:10:39 kernel: EIP: [] cache_clean+0x124/0x1e0 SS:ESP 0068:f5a11f34 Jul 3 09:10:48 kernel: BUG: soft lockup detected on CPU#1! Jul 3 09:10:48 kernel: [] show_trace_log_lvl+0x19/0x30 Jul 3 09:10:48 kernel: [] show_trace+0x12/0x20 Jul 3 09:10:48 kernel: [] dump_stack+0x14/0x20 Jul 3 09:10:48 kernel: [] softlockup_tick+0xa2/0xc0 Jul 3 09:10:48 kernel: [] run_local_timers+0x12/0x20 Jul 3 09:10:48 kernel: [] update_process_times+0x5d/0x90 Jul 3 09:10:48 kernel: [] tick_sched_timer+0x5c/0xd0 Jul 3 09:10:48 kernel: [] hrtimer_interrupt+0x177/0x1e0 Jul 3 09:10:48 kernel: [] local_apic_timer_interrupt+0x57/0x60 Jul 3 09:10:48 kernel: [] smp_apic_timer_interrupt+0x23/0x40 Jul 3 09:10:48 kernel: [] apic_timer_interrupt+0x28/0x30 Jul 3 09:10:48 kernel: [] __delay+0x9/0x10 Jul 3 09:10:48 kernel: [] __spin_lock_debug+0x55/0xd0 Jul 3 09:10:48 kernel: [] _raw_spin_lock+0x55/0x80 Jul 3 09:10:48 kernel: [] _spin_lock+0x32/0x40 Jul 3 09:10:48 kernel: [] cache_clean+0x12/0x1e0 Jul 3 09:10:48 kernel: [] cache_flush+0xf/0x30 Jul 3 09:10:48 kernel: [] write_flush+0x95/0xb0 Jul 3 09:10:48 kernel: [] vfs_write+0x86/0x130 Jul 3 09:10:48 kernel: [] sys_write+0x3d/0x70 Jul 3 09:10:48 kernel: [] syscall_call+0x7/0xb Jul 3 09:10:48 kernel: ======================= -- Frank ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs