Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756872Ab3JNPqk (ORCPT ); Mon, 14 Oct 2013 11:46:40 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38954 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756764Ab3JNPqi (ORCPT ); Mon, 14 Oct 2013 11:46:38 -0400 Date: Mon, 14 Oct 2013 11:46:27 -0400 From: Dave Jones To: Linux Kernel Cc: Linus Torvalds Subject: epoll oops. Message-ID: <20131014154627.GA9525@redhat.com> Mail-Followup-To: Dave Jones , Linux Kernel , Linus Torvalds MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3765 Lines: 59 Machine is wedged and I can't get to it until tomorrow, but this is what was on serial console. kernel running was from some time last Friday, I can get exact info tomorrow, though I don't think there's anything epoll related recently that could explain this. Dave Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC Modules linked in: bridge 8021q garp stp sctp dlci mpoa snd_seq_dummy tun fuse hidp bnep ipt_ULOG rfcomm scsi_transport_iscsi nfc caif_socket caif af_802154 phonet af_rxrpc bluetooth can_bcm rfkill can_raw can llc2 pppoe pppox ppp_generic slhc irda crc_ccitt rds nfnetlink af_key rose x25 atm netrom appletalk ipx p8023 psnap p8022 llc ax25 xfs libcrc32c snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm coretemp hwmon x86_pkg_temp_thermal kvm_intel kvm crct10dif_pclmul crc32c_intel ghash_clmulni_intel microcode serio_raw pcspkr usb_debug shpchp snd_page_alloc e1000e snd_timer snd ptp pps_core soundcore CPU: 3 PID: 449 Comm: trinity-main Not tainted 3.12.0-rc4+ #98 task: ffff88023e239560 ti: ffff880083082000 task.ti: ffff880083082000 RIP: 0010:[] [] __lock_acquire+0x58/0x1be0 RSP: 0018:ffff880083083c18 EFLAGS: 00010046 RAX: 0000000000000046 RBX: 0000000000000046 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801654cec98 RBP: ffff880083083cc8 R08: 0000000000000002 R09: 0000000000000001 R10: ffff88023e239560 R11: 0000000000000000 R12: 0000000000000002 R13: ffff8801654cec98 R14: 0000000000000002 R15: 0000000000000000 FS: 00007fe8df704740(0000) GS:ffff880244e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8801654cec98 CR3: 0000000001c0b000 CR4: 00000000001407e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: 0000000000000006 00004f44c1dd11e9 ffff880083083c38 0000000000000017 0000000000000001 ffffffff81c410e0 0000000000000002 ffff88023e239c98 ffff880083083d20 ffffffff810ca22d ffff880083083c88 ffffffff810c9b85 Call Trace: [] ? __lock_acquire+0x2ed/0x1be0 [] ? trace_hardirqs_on_caller+0x115/0x1e0 [] ? trace_hardirqs_on+0xd/0x10 [] lock_acquire+0x93/0x200 [] ? remove_wait_queue+0x19/0x40 [] _raw_spin_lock_irqsave+0x4b/0x90 [] ? remove_wait_queue+0x19/0x40 [] remove_wait_queue+0x19/0x40 [] ep_unregister_pollwait.isra.14+0x5b/0x1e0 [] ? ep_unregister_pollwait.isra.14+0xaa/0x1e0 [] ep_remove+0x26/0x140 [] eventpoll_release_file+0x71/0xa0 [] __fput+0x2aa/0x2d0 [] ____fput+0xe/0x10 [] task_work_run+0xac/0xe0 [] do_exit+0x2c7/0xcc0 [] ? trace_hardirqs_on_caller+0x115/0x1e0 [] ? trace_hardirqs_on+0xd/0x10 [] do_group_exit+0x4c/0xc0 [] SyS_exit_group+0x14/0x20 [] tracesys+0xdd/0xe2 Code: 85 c0 8b 05 4b d6 bc 00 45 0f 45 e0 85 c0 0f 84 07 01 00 00 8b 05 31 af 00 01 49 89 fd 41 89 f7 41 89 d3 85 c0 0f 84 08 01 00 00 <49> 8b 45 00 ba 01 00 00 00 48 3d 60 6a 13 82 44 0f 44 e2 41 83 RIP [] __lock_acquire+0x58/0x1be0 RSP CR2: ffff8801654cec98 ---[ end trace 044e98c2d3aab216 ]--- -- 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/