Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 15 Feb 2003 23:47:21 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 15 Feb 2003 23:47:21 -0500 Received: from modemcable092.130-200-24.mtl.mc.videotron.ca ([24.200.130.92]:15949 "EHLO montezuma.mastecende.com") by vger.kernel.org with ESMTP id ; Sat, 15 Feb 2003 23:47:20 -0500 Date: Sat, 15 Feb 2003 23:55:57 -0500 (EST) From: Zwane Mwaikambo X-X-Sender: zwane@montezuma.mastecende.com To: Linux Kernel Subject: Oops in d_alloc:647 2.5.61 Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3514 Lines: 96 I got this unmounting NFS filesystem. If anyone would require more information holla back. Unmounting NFS filesystems: Unable to handle kernel NULL pointer dereference at virtual address 0000007b printing eip: c0172803 *pde = 00000000 Oops: 0000 CPU: 0 EIP: 0060:[] Not tainted EFLAGS: 00000207 EIP is at d_alloc+0x43/0x1f0 eax: 0000007b ebx: c18a2d3c ecx: 0000001e edx: c0d9d874 esi: 0000007b edi: c0d9d874 ebp: c0d8dd7c esp: c0d8dd70 ds: 007b es: 007b ss: 0068 Process lockd (pid: 600, threadinfo=c0d8c000 task=c1a4ed00) Stack: 00000000 c0d9fce4 c0daf27c c0d8dd98 c0169663 c0daf27c c0d8ddb4 c043d0bb 00000077 c0d9fd54 c0d8dde8 c040ecc8 c0d8ddb4 c0daf27c c0d9fce4 c0daf27c c1ff9940 0000007b 0000007b ffffff00 00000010 00000001 00000000 00000000 Call Trace: [] lookup_hash+0x53/0xb0 [] rpc_rmdir+0x68/0xb0 [] rpc_destroy_client+0x23/0x80 [] rpc_release_task+0x23c/0x300 [] __rpc_execute+0xc6/0x460 [] default_wake_function+0x0/0x20 [] rpc_call_sync+0x5b/0xa0 [] rpc_call_sync+0x6e/0xa0 [] rpc_run_timer+0x0/0x130 [] rpc_register+0xa2/0x120 [] set_ratelimit+0x30/0xa0 [] svc_register+0x14e/0x180 [] svc_destroy+0x42/0xc0 [] lockd+0x1b5/0x260 [] lockd+0x0/0x260 [] kernel_thread_helper+0x5/0x10 Code: f3 a5 a8 02 74 02 66 a5 a8 01 74 01 a4 8b 4d 0c 8b 41 04 c6 Code; 00000000 Before first symbol 00000000 <_EIP>: Code; 00000000 Before first symbol 0: f3 a5 repz movsl %ds:(%esi),%es:(%edi) Code; 00000002 Before first symbol 2: a8 02 test $0x2,%al Code; 00000004 Before first symbol 4: 74 02 je 8 <_EIP+0x8> Code; 00000006 Before first symbol 6: 66 a5 movsw %ds:(%esi),%es:(%edi) Code; 00000008 Before first symbol 8: a8 01 test $0x1,%al Code; 0000000a Before first symbol a: 74 01 je d <_EIP+0xd> Code; 0000000c Before first symbol c: a4 movsb %ds:(%esi),%es:(%edi) Code; 0000000d Before first symbol d: 8b 4d 0c mov 0xc(%ebp),%ecx Code; 00000010 Before first symbol 10: 8b 41 04 mov 0x4(%ecx),%eax Code; 00000013 Before first symbol 13: c6 00 00 movb $0x0,(%eax) (gdb) list *d_alloc+0x43 0xc0172803 is in d_alloc (include/asm/string.h:196). 191 } 192 193 static inline void * __memcpy(void * to, const void * from, size_t n) 194 { 195 int d0, d1, d2; 196 __asm__ __volatile__( 197 "rep ; movsl\n\t" 198 "testb $2,%b4\n\t" 199 "je 1f\n\t" 200 "movsw\n" (gdb) list *d_alloc+0x36 0xc01727f6 is in d_alloc (fs/dcache.c:645). 640 if (!str) { 641 kmem_cache_free(dentry_cache, dentry); 642 return NULL; 643 } 644 } else 645 str = dentry->d_iname; 646 647 memcpy(str, name->name, name->len); 648 str[name->len] = 0; 649 -- function.linuxpower.ca - 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/