From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 7 Aug 2001 12:20:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 7 Aug 2001 12:20:21 -0400 Received: from cx838204-a.alsv1.occa.home.com ([24.16.83.66]:8065 "HELO shakti.rupa.com") by vger.kernel.org with SMTP id ; Tue, 7 Aug 2001 12:20:03 -0400 To: linux-kernel@vger.kernel.org Subject: Ooops in try_to_swap_out (v2.4.5 + xfs) From: Rupa Schomaker Mail-Copies-To: never Date: Tue, 07 Aug 2001 09:20:12 -0700 Message-ID: User-Agent: Gnus/5.090004 (Oort Gnus v0.04) XEmacs/21.4 (Copyleft) 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 -----BEGIN PGP SIGNED MESSAGE----- I received the following oops (below). I'm running swap on a RAID 1 MD (/dev/md2). If you need any other info, please let me know. Aug 7 00:46:28 shakti kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000 Aug 7 00:46:28 shakti kernel: printing eip: Aug 7 00:46:28 shakti kernel: c0112d63 Aug 7 00:46:28 shakti kernel: *pde = 00000000 Aug 7 00:46:28 shakti kernel: Oops: 0000 Aug 7 00:46:28 shakti kernel: CPU: 0 Aug 7 00:46:28 shakti kernel: EIP: 0010:[__wake_up+67/208] Aug 7 00:46:28 shakti kernel: EFLAGS: 00010006 Aug 7 00:46:28 shakti kernel: eax: c984d078 ebx: c98470c0 ecx: 00000000 edx: 00000003 Aug 7 00:46:28 shakti kernel: esi: c184d07c edi: c184d07c ebp: c1891eec esp: c1891ecc Aug 7 00:46:28 shakti kernel: ds: 0018 es: 0018 ss: 0018 Aug 7 00:46:28 shakti kernel: Process kswapd (pid: 3, stackpage=c1891000) Aug 7 00:46:28 shakti kernel: Stack: c184d054 c184d07c 1f401005 c984d078 c184d080 00000001 00000282 000000 03 Aug 7 00:46:28 shakti kernel: dddec1c4 c012b56c dddec1c4 08071000 00000003 080aa000 00f71900 c012b7 09 Aug 7 00:46:28 shakti kernel: c8319740 ded31440 08071000 dddec1c4 c184d054 080aa000 08069000 ddc540 80 Aug 7 00:46:28 shakti kernel: Call Trace: [try_to_swap_out+252/448] [swap_out_pmd+217/256] [swap_out_vma+1 52/224] [swap_out_mm+76/128] [swap_out+179/224] [refill_inactive+125/160] [do_try_to_free_pages+66/96] Aug 7 00:46:28 shakti kernel: [kswapd+83/224] [kernel_thread+40/64] Aug 7 00:46:28 shakti kernel: Aug 7 00:46:28 shakti kernel: Code: 8b 01 85 45 fc 74 66 31 c0 9c 5e fa f0 fe 0d 00 f0 3e c0 0f Running it through ksymoops: Warning (compare_maps): ksyms_base symbol __VERSIONED_SYMBOL(shmem_file_setup) not found in System.map. Ignoring ksyms_base entry Warning (compare_maps): mismatch on symbol partition_name , ksyms_base says c029ccf0, System.map says c0155670. Ignoring ksyms_base entry Unable to handle kernel NULL pointer dereference at virtual address 00000000 c0112d63 *pde = 00000000 Oops: 0000 CPU: 0 EIP: 0010:[] Using defaults from ksymoops -t elf32-i386 -a i386 EFLAGS: 00010006 eax: c184d054 ebx: c98470c0 ecx: 00000000 edx: 00000000 esi: c184d07c edi: c184d07c ebp: c1781eec esp: c1781ecc ds: 0018 es: 0018 ss: 0018 Stack: c184d054 c184d07c 1f401005 c984d078 c184d080 00000001 00000282 00000003 dddec1c4 c012d56c dddec1c4 08071000 00000003 080aa000 00f71900 c012b709 c8319740 ded31440 08071000 dddec1c4 c184d054 080aa000 08069000 ddc54080 Call Trace: [] [] [] [] [] [] [] [] [] Code: 8b 01 85 45 fc 74 66 31 c0 9c 5e fa f0 fe 0d 00 f0 3e c0 0f >>EIP; c0112d63 <__wake_up+43/d0> <===== Trace; c012b56c Trace; c012b709 Trace; c012b7c8 Trace; c012b85c Trace; c012b943 Trace; c012c91d Trace; c012c982 Trace; c012c9f3 Trace; c0105768 Code; c0112d63 <__wake_up+43/d0> 00000000 <_EIP>: Code; c0112d63 <__wake_up+43/d0> <===== 0: 8b 01 mov (%ecx),%eax <===== Code; c0112d65 <__wake_up+45/d0> 2: 85 45 fc test %eax,0xfffffffc(%ebp) Code; c0112d68 <__wake_up+48/d0> 5: 74 66 je 6d <_EIP+0x6d> c0112dd0 <__wake_up+b0/d0> Code; c0112d6a <__wake_up+4a/d0> 7: 31 c0 xor %eax,%eax Code; c0112d6c <__wake_up+4c/d0> 9: 9c pushf Code; c0112d6d <__wake_up+4d/d0> a: 5e pop %esi Code; c0112d6e <__wake_up+4e/d0> b: fa cli Code; c0112d6f <__wake_up+4f/d0> c: f0 fe 0d 00 f0 3e c0 lock decb 0xc03ef000 Code; c0112d76 <__wake_up+56/d0> 13: 0f 00 00 sldt (%eax) - -- - -rupa -----BEGIN PGP SIGNATURE----- Version: 2.6.3ia Charset: noconv Comment: Processed by Mailcrypt 3.5.5, an Emacs/PGP interface iQEVAwUBO3AVGXHDM4ucEopdAQGrGwgAuOuVsJibISUhIRvpHJQzvSNDG6QKd6gc bqD/I10ig2Rz6Vdvj90UQdRCsrvQKiX+95zuV+35QvaqaAUNXVWqioU0OjcUCPsc 7uWZqSeD2tMdj49eWZrvawDED5YYZC6XdxQKjG77OwYsjdYC4GyV1WXbEhr5h5aD KQRRwfBWyUWDejTZjvHcJEkrHjkBFA8awpcEi0zroeBvxIHMFP9wsijcj3yddXf7 uPhQhvSkrzyobV/IcLz38pKvOSPY/8xIK9HAcQpAvy90czTZhjScSgWGBW47vt8K D6VBgy5UHUYMpFGF7mvdG1NNAF97vYMA67xtfAcLMyHuFL9dhz3PdA== =1OBi -----END PGP SIGNATURE-----