From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753306Ab1FXRdx (ORCPT ); Fri, 24 Jun 2011 13:33:53 -0400 Received: from higgs.elka.pw.edu.pl ([194.29.160.5]:62581 "EHLO higgs.elka.pw.edu.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752937Ab1FXRdw (ORCPT ); Fri, 24 Jun 2011 13:33:52 -0400 X-Comment: RFC 2476 MSA function at elektron.elka.pw.edu.pl logged sender identity as: wzabolot Message-ID: <4E04CA6E.2080805@elka.pw.edu.pl> Date: Fri, 24 Jun 2011 19:33:34 +0200 From: Wojtek Zabolotny User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.17) Gecko/20110606 Icedove/3.1.10 MIME-Version: 1.0 To: LKML Subject: Re: Kernel 2.6.39.2 - incorrect calling of sleeping function and lockdep problem found References: <4E04C82C.1090201@elka.pw.edu.pl> <4E04C966.9080002@elka.pw.edu.pl> In-Reply-To: <4E04C966.9080002@elka.pw.edu.pl> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org And yet another attempt to boot the afffected machine: [ 356.830062] IR NEC protocol handler initialized [ 367.507094] IR RC5(x) protocol handler initialized [ 377.053379] ERROR: kmemcheck: Fatal error [ 377.057471] [ 377.058967] Pid: 1194, comm: udevd Tainted: G W 2.6.39.2 #1 /D865GBF [ 377.069867] EIP: 0060:[] EFLAGS: 00000186 CPU: 0 [ 377.075437] EIP is at kmem_cache_free+0x49/0xc0 [ 377.080044] EAX: 0000002f EBX: f5c06a80 ECX: 00000038 EDX: c01b4250 [ 377.086387] ESI: f5c94c00 EDI: f036ae10 EBP: efc41de8 ESP: c083430c [ 377.092733] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 377.098211] CR0: 8005003b CR2: f5c342c8 CR3: 2fe53000 CR4: 000006d0 [ 377.104557] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 [ 377.110900] DR6: ffff4ff0 DR7: 00000400 [ 377.114820] [] kmemcheck_error_save_bug+0x58/0x90 [ 377.120582] [] kmemcheck_hide+0xbb/0xe0 [ 377.125463] [] kmemcheck_trap+0x18/0x30 [ 377.130437] [] do_debug+0x11c/0x1a0 [ 377.134972] [] debug_stack_correct+0x2e/0x34 [ 377.140303] [] __put_anon_vma+0x3b/0x40 [ 377.145200] [] unlink_anon_vmas+0x91/0xa0 [ 377.150270] [] free_pgtables+0x64/0xc0 [ 377.155081] [] exit_mmap+0xf5/0x180 [ 377.159614] [] mmput.part.45+0x19/0x90 [ 377.164504] [] mmput+0x29/0x30 [ 377.168611] [] exec_mmap+0x12a/0x380 [ 377.173241] [] flush_old_exec+0x55/0xa0 [ 377.178216] [] load_elf_binary+0x214/0x9f0 [ 377.183374] [] search_binary_handler+0xd1/0x2b0 [ 377.188955] [] do_execve+0x1d7/0x250 [ 377.193662] [] sys_execve+0x32/0x70 [ 377.198205] [] ptregs_execve+0x12/0x18 [ 377.203000] [] 0xffffffff [ 381.643766] bttv: driver version 0.9.18 loaded [...] [ 463.006917] INFO: task udevd:1087 blocked for more than 120 seconds. [ 463.070046] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 463.180300] udevd D 00000000 0 1087 1066 0x00000000 [ 463.229429] f2943d94 [ 463.296974] 00000046 0000004f 00000000 c0823a80 f6146a80 c05f14a0 c06dd000 [ 463.380057] f2914a80 0000004f f6146480 f2940d10 f1341210 00000086 f2943d48 f2941180 [ 463.483632] f2941180 f2943d54 f2940d10 00000006 00000000 f2940d10 00000006 f2943d7c [ 463.547713] Call Trace: [ 463.617235] [] ? mark_held_locks+0x53/0x80 [ 463.691036] [] ? get_parent_ip+0xb/0x40 [ 463.750599] [] ? sub_preempt_count.part.142+0x3b/0x80 [ 463.823394] [] mutex_lock_nested+0x157/0x340 [ 463.904144] [] ? tty_open+0x4e/0x400 [ 463.940375] [] ? tty_open+0x4e/0x400 [ 464.013398] [] tty_open+0x4e/0x400 [ 464.060061] [] chrdev_open+0xea/0x1e0 [ 464.126782] [] __dentry_open+0x176/0x320 [ 464.184828] [] ? _raw_spin_unlock+0x27/0x50 [ 464.263390] [] nameidata_to_filp+0x66/0x80 [ 464.323422] [] ? cdev_put+0x20/0x20 [ 464.377192] [] do_last.isra.34+0x255/0x600 [ 464.436805] [] path_openat+0x8d/0x350 [ 464.496728] [] ? sub_preempt_count+0x1f/0x50 [ 464.570441] [] do_filp_open+0x2c/0x80 [ 464.633406] [] ? _raw_spin_unlock+0x27/0x50 [ 464.706777] [] ? alloc_fd+0x157/0x1a0 [ 464.754254] [] do_sys_open+0xe1/0x1b0 [ 464.816927] [] sys_open+0x29/0x40 [ 464.874339] [] sysenter_do_call+0x12/0x36 [ 464.956993] 1 lock held by udevd/1087: [ 465.010113] #0: (tty_mutex){+.+.+.}, at: [] tty_open+0x4e/0x400 [ 465.103384] Kernel panic - not syncing: hung_task: blocked tasks [ 465.109476] Pid: 351, comm: khungtaskd Tainted: G W 2.6.39.2 #1 [ 465.116265] Call Trace: [ 465.118808] [] ? printk+0x18/0x1a [ 465.123162] [] panic+0x61/0x156 [ 465.127356] [] ? touch_nmi_watchdog+0x4f/0x90 [ 465.132748] [] check_hung_task+0xa1/0xb0 [ 465.137707] [] check_hung_uninterruptible_tasks+0x134/0x180 [ 465.144325] [] ? check_hung_uninterruptible_tasks+0x38/0x180 [ 465.151020] [] ? check_hung_uninterruptible_tasks+0x180/0x180 [ 465.157802] [] watchdog+0x39/0x40 [ 465.162158] [] kthread+0x68/0x70 [ 465.166430] [] ? __init_kthread_worker+0x60/0x60 [ 465.172122] [] kernel_thread_helper+0x6/0xd Configuration of kernel still the same as reported in the first message. -- Regards, WZab