Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932226Ab0FPPgG (ORCPT ); Wed, 16 Jun 2010 11:36:06 -0400 Received: from fieldses.org ([174.143.236.118]:54022 "EHLO fieldses.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932122Ab0FPPgE (ORCPT ); Wed, 16 Jun 2010 11:36:04 -0400 Date: Wed, 16 Jun 2010 11:36:03 -0400 To: Chris Vine Cc: Linux Kernel Mailing List , Jeff Layton Subject: Re: nfsd hang and kernel bug in 2.6.35-rc3 Message-ID: <20100616153603.GH10223@fieldses.org> References: <20100615175034.1e015fbc@boulder.homenet> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100615175034.1e015fbc@boulder.homenet> User-Agent: Mutt/1.5.18 (2008-05-17) From: "J. Bruce Fields" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5075 Lines: 74 Jeff, is this one of the problems you saw? --b. On Tue, Jun 15, 2010 at 05:50:34PM +0100, Chris Vine wrote: > Booting up kernel 2.6.35-rc3 on my netbook, with the kernel compiled for > an Atom N270 processor, hangs when starting nfsd. If I then end the hang > by rebooting with Ctrl-Alt-Delete, I get a kernel bug reported. The only > one of these that has been logged is as follows, as on other boots the bug > seems to be reported elsewhere but is not committed to syslog, or no bug > is reported at all (it just hangs): > > ... > Jun 15 16:06:18 laptop kernel: NFSD: Using /var/lib/nfs/v4recovery as the NFSv4 state recovery directory > Jun 15 16:07:18 laptop kernel: svc: failed to register lockdv3 RPC service (errno 110). > Jun 15 16:07:18 laptop kernel: lockd_up: makesock failed, error=-110 > [Ctrl-Alt-Delete here] > Jun 15 16:08:21 laptop kernel: lockd_down: no users! task=(null) > Jun 15 16:08:21 laptop kernel: ------------[ cut here ]------------ > Jun 15 16:08:21 laptop kernel: kernel BUG at fs/lockd/svc.c:347! > Jun 15 16:08:21 laptop kernel: invalid opcode: 0000 [#1] SMP > Jun 15 16:08:21 laptop kernel: last sysfs file: /sys/module/x_tables/initstate > Jun 15 16:08:21 laptop kernel: Modules linked in: nfsd lockd nfs_acl auth_rpcgss sunrpc exportfs xt_recent xt_tcpudp nf_conntrack_ipv4 nf_defrag_i > pv4 iptable_filter ip_tables xt_helper xt_conntrack xt_state x_tables nf_conntrack_irc nf_conntrack_ftp nf_conntrack pcmcia pcmcia_core cpufreq_on > demand speedstep_lib acpi_cpufreq freq_table mperf parport_pc parport fuse snd_hda_codec_realtek i915 snd_hda_intel drm_kms_helper snd_hda_codec d > rm snd_hwdep tg3 uvcvideo i2c_algo_bit snd_pcm videodev rtc_cmos joydev snd_timer rtc_core intel_agp snd soundcore btusb usbhid bluetooth snd_page > _alloc video led_class agpgart processor sg rtc_lib output thermal libphy psmouse i2c_i801 rfkill evdev serio_raw thermal_sys ac v4l1_compat batte > ry wmi button hwmon [last unloaded: pcmcia_core] > Jun 15 16:08:21 laptop kernel: > Jun 15 16:08:21 laptop kernel: Pid: 1852, comm: rpc.nfsd Not tainted 2.6.35-rc3 #1 MoutCook/20021,2959 > Jun 15 16:08:21 laptop kernel: EIP: 0060:[] EFLAGS: 00010286 CPU: 1 > Jun 15 16:08:21 laptop kernel: EIP is at lockd_down+0x70/0x90 [lockd] > Jun 15 16:08:21 laptop kernel: EAX: 00000028 EBX: f6a9c400 ECX: f69e5ec4 EDX: f90f6be4 > Jun 15 16:08:21 laptop kernel: ESI: f70e7920 EDI: f70e7928 EBP: f9143a60 ESP: f69e5ec0 > Jun 15 16:08:21 laptop kernel: DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 > Jun 15 16:08:21 laptop kernel: Process rpc.nfsd (pid: 1852, ti=f69e4000 task=f7184a20 task.ti=f69e4000) > Jun 15 16:08:21 laptop kernel: Stack: > Jun 15 16:08:21 laptop kernel: f90f6be4 00000000 f9142995 f70e7900 f70e7900 00000801 f909960b f90ef8f1 > Jun 15 16:08:21 laptop kernel: <0> f90f6c74 ffffff92 00000008 00000801 ffffff92 f914279f 00000801 00000000 > Jun 15 16:08:21 laptop kernel: <0> f697c004 f69e5f22 f9143440 f91434eb f71df400 f6c027f8 00000101 00000000 > Jun 15 16:08:21 laptop kernel: Call Trace: > Jun 15 16:08:21 laptop kernel: [] ? nfsd_last_thread+0x25/0x60 [nfsd] > Jun 15 16:08:21 laptop kernel: [] ? svc_destroy+0x4b/0x130 [sunrpc] > Jun 15 16:08:21 laptop kernel: [] ? lockd_up+0x31/0x1c0 [lockd] > Jun 15 16:08:21 laptop kernel: [] ? nfsd_svc+0xcf/0x160 [nfsd] > Jun 15 16:08:21 laptop kernel: [] ? write_threads+0x0/0xc0 [nfsd] > Jun 15 16:08:21 laptop kernel: [] ? write_threads+0xab/0xc0 [nfsd] > Jun 15 16:08:21 laptop kernel: [] ? do_page_fault+0x0/0x360 > Jun 15 16:08:21 laptop kernel: [] ? _copy_from_user+0x31/0x80 > Jun 15 16:08:21 laptop kernel: [] ? simple_transaction_get+0x8f/0xa0 > Jun 15 16:08:21 laptop kernel: [] ? nfsctl_transaction_write+0x59/0x70 [nfsd] > Jun 15 16:08:21 laptop kernel: [] ? vfs_write+0xa0/0x160 > Jun 15 16:08:21 laptop kernel: [] ? sys_write+0x41/0x70 > Jun 15 16:08:21 laptop kernel: [] ? syscall_call+0x7/0xb > Jun 15 16:08:21 laptop kernel: Code: 05 3c 8e 0f f9 00 00 00 00 b8 c8 7c 0f f9 83 c4 08 e9 15 e3 1f c8 a1 38 8e 0f f9 c7 04 24 e4 6b 0f f9 89 44 24 04 e8 3f d4 1f c8 <0f> 0b eb fe c7 04 24 08 6c 0f f9 e8 2f d4 1f c8 0f 0b eb fe 8d > Jun 15 16:08:21 laptop kernel: EIP: [] lockd_down+0x70/0x90 [lockd] SS:ESP 0068:f69e5ec0 > Jun 15 16:08:21 laptop kernel: ---[ end trace 8ca67da05153a656 ]--- > > This particular trace is with NFS v4 compiled in, but I get a similar hang > with only v2/3 compiled in. > > Chris > > > -- > 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/ -- 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/