From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755201Ab1ATEqa (ORCPT ); Wed, 19 Jan 2011 23:46:30 -0500 Received: from cantor.suse.de ([195.135.220.2]:47781 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755031Ab1ATEq2 (ORCPT ); Wed, 19 Jan 2011 23:46:28 -0500 Message-ID: <4D37BDE4.1000104@suse.de> Date: Thu, 20 Jan 2011 10:15:24 +0530 From: Suresh Jayaraman User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.16) Gecko/20101125 SUSE/3.0.11 Thunderbird/3.0.11 MIME-Version: 1.0 To: Peter Teoh Cc: LKML , linux-cifs@vger.kernel.org, Jeff Layton Subject: Re: CIFS related seg fault (v2.6.37) References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org (Cc linux-cifs@vger.kernel.org) On 01/20/2011 07:05 AM, Peter Teoh wrote: > Filed a bug today: > > https://bugzilla.kernel.org/show_bug.cgi?id=27082 > > Version of kernel (linus git tree synced): v2.6.37-3737-g0c21e3a > > Output of dmesg summarized here: > > [ 7273.369563] ------------[ cut here ]------------ > [ 7273.369575] kernel BUG at fs/dcache.c:1358! Looks like the issue is already fixed in VFS (see discussion): http://thread.gmane.org/gmane.linux.kernel.cifs/2284 Jeff: Looks like the issue is reproducible with 2.6.37 too.. Any idea which is the commit that fixes this problem and whether it has been marked for -stable? > [ 7273.369582] invalid opcode: 0000 [#1] SMP > [ 7273.369590] last sysfs file: > /sys/devices/pci0000:00/0000:00:1c.1/0000:03:00.0/ieee80211/phy0/rfkill0/state > [ 7273.369598] Modules linked in: nls_cp437 cifs vga16fb vgastate > isofs udf crc_itu_t usbhid i915 binfmt_misc drm_kms_helper drm > i2c_algo_bit ppdev bridge stp bnep kvm_intel kvm xfs exportfs lp > parport snd_hda_codec_conexant arc4 snd_hda_intel snd_hda_codec iwlagn > snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy pcmcia iwlcore > snd_seq_oss snd_seq_midi video thinkpad_acpi mac80211 snd_rawmidi > tpm_tis yenta_socket pcmcia_rsrc pcmcia_core tpm tpm_bios nvram > psmouse snd_seq_midi_event intel_agp intel_gtt output serio_raw > snd_seq snd_timer snd_seq_device cfg80211 agpgart iTCO_wdt > iTCO_vendor_support snd pcspkr soundcore snd_page_alloc reiserfs > e1000e > [ 7273.369732] > [ 7273.369740] Pid: 12963, comm: unzip Not tainted 2.6.37+ #4 7440A82/7440A82 > [ 7273.369748] EIP: 0060:[] EFLAGS: 00210286 CPU: 1 > [ 7273.369763] EIP is at d_set_d_op+0x52/0x60 > [ 7273.369769] EAX: f4ada400 EBX: 00000000 ECX: fcdfc5c0 EDX: fcdfc5c0 > [ 7273.369775] ESI: cff344ac EDI: f2263a00 EBP: f10c7dbc ESP: f10c7dbc > [ 7273.369782] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 > [ 7273.369790] Process unzip (pid: 12963, ti=f10c6000 task=ce833f20 > task.ti=f10c6000) > [ 7273.369795] Stack: > [ 7273.369799] f10c7e64 fcde60ed f4540a00 00000109 f10c7e56 f10c7e56 > f10c7e50 f22a9380 > [ 7273.369816] fce2ffe0 00000000 f10c7e56 000081a4 f4ada400 e4f1a62c > 00000109 c0000000 > [ 7273.369833] f4540e00 f21ca000 f2263a00 f450a480 f22a9380 00000005 > 00000080 e4f1a62c > [ 7273.369849] Call Trace: > [ 7273.369870] [] cifs_create+0x59d/0x800 [cifs] > [ 7273.369882] [] ? generic_permission+0x25/0xc0 > [ 7273.369895] [] ? cifs_permission+0x0/0x70 [cifs] > [ 7273.369907] [] ? cifs_permission+0x46/0x70 [cifs] > [ 7273.369919] [] ? security_inode_permission+0x20/0x30 > [ 7273.369929] [] vfs_create+0x92/0xb0 > [ 7273.369937] [] do_last+0x240/0x2c0 > [ 7273.369946] [] do_filp_open+0x366/0x670 > [ 7273.369959] [] do_sys_open+0x6d/0x110 > [ 7273.369968] [] sys_open+0x2e/0x40 > [ 7273.369976] [] sysenter_do_call+0x12/0x28 > [ 7273.369981] Code: 10 00 00 8b 4a 08 85 c9 74 06 81 08 00 20 00 00 > 8b 0a 85 c9 74 06 81 08 00 40 00 00 8b 52 0c 85 d2 74 06 81 08 00 80 > 00 00 5d c3 <0f> 0b eb fe 66 90 0f 0b eb fe 8d 74 26 00 55 89 e5 53 3e > 8d 74 > [ 7273.370075] EIP: [] d_set_d_op+0x52/0x60 SS:ESP 0068:f10c7dbc > > Further info is in the bugzilla site. > > Thanks. > > -- -- Suresh Jayaraman