Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751310AbVIFDlF (ORCPT ); Mon, 5 Sep 2005 23:41:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751312AbVIFDlF (ORCPT ); Mon, 5 Sep 2005 23:41:05 -0400 Received: from zproxy.gmail.com ([64.233.162.200]:49088 "EHLO zproxy.gmail.com") by vger.kernel.org with ESMTP id S1751310AbVIFDlE convert rfc822-to-8bit (ORCPT ); Mon, 5 Sep 2005 23:41:04 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=XgdptNQXs3AHfOEiya4ki/zgMh1OtDd/KfSljcxfRS25/g8Rg5X7cdmiJzWvBMTP6jQMChLZj4s5ylFNLMEDNtYxDW3MjxEomkSL2R3RR+m6WqffYUQw8P2Um2qHhatil2pvjic1/oqd4ui1JBJ0pmfvqUEEZeqwlsjiA5EcFUQ= Message-ID: Date: Mon, 5 Sep 2005 20:40:53 -0700 From: Bret Towe To: Jesper Juhl Subject: Re: nfs4 client bug Cc: "J. Bruce Fields" , linux-kernel In-Reply-To: <9a87484905090513481118e67b@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Content-Disposition: inline References: <20050904103523.GA5613@electric-eye.fr.zoreil.com> <20050904215219.GA9812@fieldses.org> <20050905031825.GA22209@fieldses.org> <9a87484905090513481118e67b@mail.gmail.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 7039 Lines: 140 On 9/5/05, Jesper Juhl wrote: > On 9/5/05, Bret Towe wrote: > > On 9/4/05, J. Bruce Fields wrote: > > > On Sun, Sep 04, 2005 at 08:08:22PM -0700, Bret Towe wrote: > > > > On 9/4/05, J. Bruce Fields wrote: > > > > > Do you get anything from alt-sysrq-T? > > > > > > > > no i havent used that im usally in x when its freezing > > > > x wont even switch to console would it still give me anything then? > > > > > > Well, you can try something like: > > > alt-sysrq-T > > > wait a couple seconds, then > > > alt-sysrq-S > > > alt-sysrq-U > > > alt-sysrq-B > > > with maybe a second between each to give stuff a chance to get to disk. > > > > > > Then if you're lucky you may find the stack dumps in your log after you > > > reboot. > > > > tried it and so far no luck ill keep trying a few more times and see > > if i can get it > > to spit somethin out to disk but i dont think ill be that lucky as that would > > prob make life to easy wouldnt it? > > How about > > serial console over a cross-over cable to a second box. > netconsole will let you put the console on a different box over the network. > console on line printer will let you have a permanent record of the > console output on paper. > > See > Documentation/serial-console.txt > Documentation/networking/netconsole.txt > the help entry for "config LP_CONSOLE" (in drivers/char/Kconfig) > > Would any of those perhaps help you in capturing anything ? netconsole++ got the following and ill be watching for anything that looks different as i continue to push my luck NMI Watchdog detected LOCKUP on CPU0CPU 0 Modules linked in: netconsole snd_seq_midi snd_emu10k1_synth snd_emux_synth snd_seq_virmidi snd_seq_midi_emul snd_pcm_oss snd_mixer_oss snd_seq_oss snd_seq_midi_event snd_seq snd_emu10k1 snd_rawmidi snd_seq_device snd_ac97_codec snd_pcm snd_timer snd_page_alloc snd_util_mem snd_hwdep snd w83627hf i2c_sensor i2c_isa i2c_core usb_storage r8169 ehci_hcd uhci_hcd dm_mirror dm_snapshot dm_mod Pid: 14169, comm: xmms Tainted: G M 2.6.13 RIP: 0010:[] {cache_alloc_refill+347} RSP: 0018:ffff81001306fa48 EFLAGS: 00000017 RAX: ffff81002f995c90 RBX: ffff81002f994800 RCX: ffff81000a8a9000 RDX: ffff81002f995c90 RSI: 000000000000000e RDI: ffff810005cfc028 RBP: ffff81002f995c80 R08: ffff81002f994810 R09: ffff81002f995ca0 R10: ffff81002f995cb0 R11: ffffffff80154a40 R12: ffff81002f995c90 R13: ffff81002f98d5c0 R14: 00000000000000d0 R15: ffffffff801e1550 FS: 0000000041802960(0063) GS:ffffffff805bc800(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 00002aaaab351000 CR3: 00000000297c8000 CR4: 00000000000006e0 Process xmms (pid: 14169, threadinfo ffff81001306e000, task ffff81001beae0b0) Stack: ffff81002fb0f1c0 0000000000000000 ffff81001306faa8 00000000000000d0 ffff81002f995c80 ffff81002d450400 ffff81001306fb18 ffff810001bb2078 ffffffff801e1550 ffffffff80158a7d Call Trace:{nfs_find_actor+0} {kmem_cache_alloc+77} {nfs_alloc_inode+21} {alloc_inode+18} {iget5_locked+200} {nfs_init_locked+0} {nfs_fhget+110} {nfs_lookup+309} {_nfs4_proc_access+215} {do_lookup+229} {__link_path_walk+849} {link_path_walk+186} {get_unused_fd+88} {path_lookup+385} {open_namei+175} {deactivate_task+20} {filp_open+39} {get_unused_fd+88} {sys_open+84} {system_call+126} Code: 4c 89 61 08 49 89 0c 24 85 f6 0f 8f 3c ff ff ff 8b 3b 89 f8 console shuts up ... <0>Kernel panic - not syncing: Aiee, killing interrupt handler! <6>SysRq : Show State sibling task PC pid father child younger older init S 000000010001d013 0 1 0 2 (NOTLB) ffff810001c61d88 0000000000000082 0000000000000000 ffffffff8048c4b8 ffff81001beaee10 ffff810001c5f440 ffff81001beaee10 ffff810001c5f658 ffff810001c5f440 0000001001c61e68 Call Trace:{schedule_timeout+148} {process_timeout+0} {pipe_poll+66} {do_select+967} {__pollwait+0} {sys_select+748} {system_call+126} ksoftirqd/0 S 0000000000000000 0 2 1 3 (L-TLB) ffff810001c65f08 0000000000000046 ffff810001c65f18 ffff81002c8102b0 ffff810026a85110 ffff810001c5ed90 ffff810026a85110 ffff810001c5efa8 ffff810001c5f440 ffff810001c65f08 Call Trace:{ksoftirqd+0} {ksoftirqd+69} {ksoftirqd+0} {kthread+205} {child_rip+8} {kthread+0} {child_rip+0} events/0 R running task 0 3 1 4 2 (L-TLB) khelper S ffff810001c3b300 0 4 1 5 3 (L-TLB) ffff810001ef9e78 0000000000000046 0000000000000000 ffffffff80140040 ffff81002fbd0e90 ffff810001c5e030 ffff81002fbd0e90 ffff810001c5e248 ffff810001c3b330 ffff810001c3b320 Call Trace:{__call_usermodehelper+0} {worker_thread+278} {default_wake_function+0} {default_wake_function+0} {worker_thread+0} {kthread+205} {child_rip+8} {kthread+0} {child_rip+0} kthread S ffff810001ec3300 0 5 1 7 147 4 (L-TLB) ffff810001f1de78 0000000000000046 0000000000000000 ffff81002f9d5d28 ffff81002f9d34c0 ffff810001f1b480 ffff81002f9d34c0 ffff810001f1b698 ffff810001ec3330 ffff810001ec3320 Call Trace:{worker_thread+278} {default_wake_function+0} {default_wake_function+0} {worker_thread+0} {kthread+205} {child_rip+8} {kthread+0} {child_rip+0} kacpid S ffff810001ec30c0 0 7 5 90 (L-TLB) ffff81002f911e78 0000000000000046 403b0520522700f8 604000005101c501 ffff810001c5f440 ffff810001f1add0 ffff810001c5f440 ffff810001f1afe8 c408018023918081 0000000000010000 - 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/