From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1422676AbWG2HT3 (ORCPT ); Sat, 29 Jul 2006 03:19:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1422678AbWG2HT3 (ORCPT ); Sat, 29 Jul 2006 03:19:29 -0400 Received: from [219.153.9.10] ([219.153.9.10]:64822 "EHLO iblink.com.cn") by vger.kernel.org with ESMTP id S1422676AbWG2HT2 (ORCPT ); Sat, 29 Jul 2006 03:19:28 -0400 Message-ID: <44CB0BF7.6030204@idccenter.cn> Date: Sat, 29 Jul 2006 15:19:19 +0800 From: kernel User-Agent: Thunderbird 1.5.0.5 (Windows/20060719) MIME-Version: 1.0 To: Jan Dittmer , linux-kernel@vger.kernel.org Subject: Re: XFS Bug null pointer dereference in xfs_free_ag_extent References: <44BF29CD.1000809@l4x.org> In-Reply-To: <44BF29CD.1000809@l4x.org> Content-Type: text/plain; charset=GB18030; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org I have the same problem, but it seems not have a patch right now. Jan Dittmer wrote: > Got the following oops from xfs. Afterwards lots of processes in D > state, probably trying to read the partition in question. Kernel > 2.6.18-rc2 > > [196027.687020] BUG: unable to handle kernel NULL pointer dereference > at virtual address 00000060 > [196027.687216] printing eip: > [196027.687273] c01acc00 > [196027.687275] *pde = 00000000 > [196027.687337] Oops: 0000 [#1] > [196027.687395] SMP > [196027.687458] Modules linked in: rfcomm l2cap bluetooth nfsd > exportfs lockd nfs_acl sunrpc pppoe pppox ipv6 ppp_generic slhc > twofish serpent aes blowfish sha256 crypto_null ipt_LOG ipt_recent > ipt_TCPMSS xt_tcpmss xt_tcpudp xt_state iptable_filter ipt_MASQUERADE > iptable_nat ip_tables x_tables dm_mod ip_nat_ftp ip_nat > ip_conntrack_ftp ip_conntrack nfnetlink tun vfat fat loop lp eeprom > i2c_dev i2c_isa usb_storage button processor ac e100 snd_seq_dummy > snd_seq_oss snd_seq_midi snd_seq_midi_event snd_seq cx88_dvb > cx88_vp3054_i2c mt352 dvb_pll or51132 video_buf_dvb dvb_core nxt200x > isl6421 zl10353 cx24123 lgdt330x cx22702 cx8802 snd_via82xx > firmware_class snd_ac97_codec cx2341x snd_ac97_bus cx88xx snd_pcm_oss > ir_common snd_mixer_oss video_buf tveeprom compat_ioctl32 snd_pcm > snd_timer snd_page_alloc snd_mpu401_uart via_agp btcx_risc snd_rawmidi > snd_seq_device videodev agpgart v4l1_compat snd ehci_hcd via_rhine > v4l2_common uhci_hcd soundcore usbcore parport_pc parport floppy rtc > [196027.690285] CPU: 0 > [196027.690286] EIP: 0060:[] Not tainted VLI > [196027.690288] EFLAGS: 00210293 (2.6.18-rc2-ds666-via #9) > [196027.690545] EIP is at xfs_btree_init_cursor+0x2f/0x171 > [196027.690645] eax: d42b3834 ebx: de835000 ecx: d42b3834 edx: > 0000008c > [196027.690771] esi: 00000000 edi: cb701038 ebp: 00000000 esp: > cfb20c68 > [196027.690896] ds: 007b es: 007b ss: 0068 > [196027.690978] Process imap (pid: 14978, ti=cfb20000 task=d4d5a570 > task.ti=cfb20000) > [196027.691119] Stack: 00000000 00000017 cb701038 00000017 c0193c67 > 00000005 00000000 00000000 > [196027.691389] 00000000 00000005 00000000 cb701038 cd848f04 > de835000 0000007a 00000000 > [196027.692097] 0004e1d8 df2e18e0 de835000 df2e18e0 c01c9645 > 00000000 00000017 cb701038 > [196027.692805] Call Trace: > [196027.693104] [] xfs_free_ag_extent+0x32/0x5e2 > [196027.693445] [] xlog_grant_push_ail+0x30/0xfe > [196027.693771] [] xfs_free_extent+0xbc/0xd9 > [196027.694094] [] xfs_log_reserve+0x60/0x5a8 > [196027.694436] [] xfs_efd_init+0x2f/0x5a > [196027.694741] [] xfs_bmap_finish+0xe6/0x167 > [196027.695070] [] xfs_rename+0x866/0xa33 > [196027.695412] [] xfs_vn_rename+0x24/0x64 > [196027.695707] [] mntput_no_expire+0x11/0x5d > [196027.696029] [] link_path_walk+0xb3/0xbd > [196027.696356] [] pagevec_lookup_tag+0x1b/0x22 > [196027.696681] [] kstrdup+0x26/0x60 > [196027.696993] [] vfs_rename+0x1b6/0x2ef > [196027.697313] [] __lookup_hash+0x4a/0xc5 > [196027.697632] [] sys_renameat+0x155/0x1b9 > [196027.697961] [] pagevec_lookup_tag+0x1b/0x22 > [196027.698281] [] wait_on_page_writeback_range+0xa6/0xf1 > [196027.698637] [] xfs_file_fsync+0x3f/0x48 > [196027.698953] [] sys_rename+0x11/0x15 > [196027.699265] [] sysenter_past_esp+0x56/0x79 > [196027.699600] Code: 89 d7 ba 01 00 00 00 56 53 89 c3 8b 74 24 18 a1 > c8 86 4a c0 e8 2b 13 03 00 83 fe 02 89 c1 74 16 72 09 31 c0 83 fe 03 > 75 78 eb 51 <8b> 45 60 8b 44 b0 1c 0f c8 eb 6b 83 7c 24 20 00 75 09 8b > 44 24 > [196027.701445] EIP: [] xfs_btree_init_cursor+0x2f/0x171 > SS:ESP 0068:cfb20c68 > [196027.705801] > > Jan > - > 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/ >